Author: Drazen Marovic
Date: 05:58:17 05/13/01
Go up one level in this thread
Play Fritz 6 or deep fritz 10 standard games you will not hold.
>Yesterday there was a hot discussion abouth the strenght of chess computers. I
>said that no program has more than 2500 ELO and that "weaker" players can fight
>with good chances to draw and that I could not understand why the GM's do so
>hard against the computers. On the other hand I tried to find some explanation
>for that. Below now my last ten games, four times a loss and six times a draw,
>that means a score of 30 percent.
>
>ChessBase7 says:
>
>Average rating Utzinger = 1978 ELO (performance = 2341 ELO)
>Average rating computers = 2490 ELO (performance = 2127 ELO)
>
>And now the games with my comments.
>
>[Event "Gandalf 432f rapid 60'"]
>[Site "?"]
>[Date "2000.11.11"]
>[Round "1"]
>[White "Gandalf 4.32f"]
>[Black "Utzinger, Kurt"]
>[Result "1-0"]
>[ECO "B14"]
>[WhiteElo "2500"]
>[BlackElo "1944"]
>[Annotator "2000-11-11"]
>[PlyCount "89"]
>[EventDate "2000.??.??"]
>
>{Wetzikon, 11th November 2000
>Compaq P III 800/128
>32 MB hash / 4 men TBs
>}
>1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. c5 Be7 8. Nf3
>Ne4 9. Bxe7 Qxe7 10. Bb5 O-O 11. Bxc6 bxc6 12. O-O Nxc3 13. bxc3 {
>White last book move} 13... Bd7 14. Rb1 Rfb8 15. Qd2 Be8 16. Rb3 Qc7 17. Re1
>Rxb3 {Better moves are 17...Rb7 or 17...Rb5} 18. axb3 Bd7 19. Ne5 f6 20. Nxd7
>Qxd7 21. f4 Re8 22. b4 {The situation is now rather critical for Black.} 22...
>Kf7 23. g3 g6 24. Qd3 Qb7 {Prevents b4-b5} 25. h4 h5 26. Kf2 Re7 {
>Perhap 26...Qc7 is more precise.} 27. Re2 Re8 (27... a6 28. Ra2 Qb5 29. Qe2
>Qxe2+ 30. Kxe2 Ra7 31. Kd3 Ke7 32. Ra5 Kd7 33. c4 dxc4+ 34. Kxc4 Kc7 {
>was easier to defend but I had not enough time to calculate this line.}) 28.
>Ra2 Re7 29. Qe2 Qc7 30. Kg2 Kg7 {better was 30...Qb7} 31. b5 cxb5 32. Qxb5 Qb7
>33. Qb4 {Gandalf has posed so many problems to Black so that I had only left
>about 10 seconds for each of the following moves. The result of the game is
>therefore
>clear.} 33... Rc7 34. Ra5 Kf7 35. Kf3 Re7 36. Qxb7 Rxb7 37. Ra6 Re7 38. Rc6 Re8
>39. Ke3 Re7 40. Kd3 Rb7 41. Rc8 Re7 42. c6 e5 {
>Desperation but of course hopeless.} 43. dxe5 fxe5 44. fxe5 Rxe5 45. Rb8 {
>And here the flag on my clock fell, but the game was in anyway won for White.}
>1-0
>
>[Event "Gambit Tiger 1 rapid 60"]
>[Site "?"]
>[Date "2000.12.28"]
>[Round "1"]
>[White "Gambit Tiger 1.0"]
>[Black "Utzinger, Kurt"]
>[Result "1-0"]
>[ECO "C01"]
>[WhiteElo "2500"]
>[BlackElo "1944"]
>[Annotator "2000-12-28"]
>[PlyCount "71"]
>[EventDate "2000.??.??"]
>
>{Wetzikon, 28th December 2000 AMD K6-2/533, 28 MB hash Time control: rapid
>60 min This was the last time I played a rapid game. From here on I changed
>to 40'/40.} 1. d4 e6 2. e4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nc3 c6 6. Nge2 Ne7 7.
>Bg5 {White last book move} 7... f6 8. Bf4 Bf5 9. Bxd6 Qxd6 10. Bxf5 Nxf5 11.
>Ng3 {Black has easily equalized.} 11... Qe6+ 12. Nce2 O-O 13. O-O Nxg3 {
>This exchange was not the best decision. Moves like 13...Nd6, 13...Nd7 or even
>13...Na6 looks better.} 14. Nxg3 Re8 {A mistake that was based on a
>miscalculation. Instead, Black should continue development by 16...Na6.} (14...
>Na6 15. Re1 Qd7 16. Qf3 Rae8 17. c3 Nc7 $11) 15. Re1 Qxe1+ {
>The prepared bad move. Black should place the queen to d7.} (15... Qd7 16.
>Rxe8+ Qxe8 17. Qg4 Qd7 $14) 16. Qxe1 Rxe1+ 17. Rxe1 Kf8 18. Re6 {This unexpecte
>d move made me rather nervous. It was obviously not my best day because I
>needed 32 minutes for my answer. I feared things that were not to fear.} 18...
>Nd7 {with the intention to protect f6 in order to enable g6.} ({better} 18...
>Na6 19. Nf5 Nc7 20. Rd6 (20. Re7 Re8 21. Rxc7 {exchanging rooks is stronger}
>21... Re1#) 20... Re8 21. Kf1 Ne6 22. Rd7 g6 23. Nd6 Rd8 {this was the solving
>move that I had overlooked but I had simply not enough time to calculate deep
>enough.} 24. Rxd8+ Nxd8) 19. Nf5 g6 ({equal was} 19... Nb6 20. b3 Nc8 {
>again had I not foreseen this good defence} 21. c4 Kf7 22. Re1 g6 23. Nh6+ Kg7
>24. Ng4 Kf7 $11) 20. Nd6 Rb8 21. f4 f5 {
>Weakens the dark squares, but what can Black do against the threat f4-f5?} ({
>Fritz 6:} 21... c5 22. c3 cxd4 23. cxd4 a5 24. Kf2 b5 25. g4 a4 26. b4 {0.59/16
>}) 22. h4 {
>A strong manoeuvre to break up Black's pawn structure on the king side.} 22...
>Nb6 23. h5 Nc4 24. Nxc4 dxc4 25. hxg6 hxg6 26. Rxg6 Kf7 $2 {By mere accident I
>had so far found the best possible defence. But here I blundered and the game
>is over. In such situations it is important to activate the own rook with some
>chances to hold the game.} (26... Re8 27. Rf6+ (27. Kf2 Re4 28. Rf6+ Kg7 29.
>Rxf5 Rxd4 30. Ke3 c3 31. bxc3 (31. Re5 Rd2 32. Re7+ Kf6 33. Rxb7 Rxc2 34. bxc3
>Rxc3+ $13) 31... Ra4 32. g4 Rxa2 $13) 27... Kg7 28. Rxf5 Re2 29. Re5 Rxc2 30.
>Re7+ Kf6 31. Rxb7 Kf5 32. g3 Kg4 33. Rg7+ Kf3 34. f5 Rg2+ 35. Kh1 Rxb2 36. f6
>Rb8) 27. Rd6 Re8 (27... Ke7 28. Rh6 Kf7 29. c3 a6 30. Kf2 Kg7 31. Re6 Kf7 32.
>Re5 Kf6 33. Rc5 $18) 28. Rd7+ Re7 {Of course did I know that the pawn ending
>would be won for White. But I saw nothing better.} 29. Rxe7+ Kxe7 30. Kf2 Kf7
>31. g4 Kf6 32. g5+ Kg6 33. Ke3 b5 34. a4 a6 35. Kd2 b4 36. b3 1-0
>
>[Event "CM8000 40/40"]
>[Site "?"]
>[Date "2001.02.20"]
>[Round "1"]
>[White "CM 8000"]
>[Black "Utzinger, Kurt"]
>[Result "1/2-1/2"]
>[ECO "B18"]
>[WhiteElo "2500"]
>[BlackElo "1945"]
>[Annotator "2001-02-20"]
>[PlyCount "141"]
>[EventDate "2001.??.??"]
>
>{PIII 800/128 (32 MB hash)} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3
>Bg6 6. Bc4 {A harmless continuation.} 6... e6 7. N1e2 Nf6 8. Nf4 Bd6 9. Bb3 {
>White last book move} 9... Qc7 10. Qf3 Nbd7 11. O-O Nd5 {
>Played with the intention to exchange some pieces and to clear the situation.}
>12. Nxg6 hxg6 13. c4 N5f6 14. c5 {
>Can this be a good move? I was happy after CM8000 had advanced its c-pawn.}
>14... Be7 15. Bf4 Qa5 16. Rad1 O-O 17. Bd2 Qc7 18. Rfe1 Rfe8 {
>Protects Be7 and prepares Nf6-d5 to allow e6xd5 if White plays Bc4xd5.} 19. Bf4
>Qa5 20. Ne4 Nxe4 21. Rxe4 Nf6 22. Re2 Rad8 23. a3 Nd5 24. Be5 Bf6 25. Bd6 Be7
>26. Bg3 {Chessmaster 8000 is not yet ready to accept a draw and avoids
>repetition of moves.} 26... Bf6 27. Qd3 Re7 28. Bd6 Red7 29. Ree1 Be7 {
>Leads to unnecessary complications. On the other hands some pieces vanish from
>the board.} 30. Bxd5 Bxd6 31. Bxe6 fxe6 32. cxd6 Rxd6 33. b4 Qf5 34. Qc4 Rd5 {
>Both players have weak pawns but White has a slight advantage.} 35. Rd2 Kf8 {
>Too fast played and luckily for me, Chessmaster has nothing concrete. Better
>was a waiting move on the d-file with a rook.} 36. Rd3 Kg8 37. a4 Qf7 38. Re4
>Qf6 39. h3 Kh8 40. Qc3 a6 {A real bad decision in so far as after White's
>a4-a5 a pawn ending is probably lost for Black.} 41. Qb2 R8d7 42. a5 Kg8 43.
>Qd2 Qd8 44. Qe2 Rxd4 {Again not the best solution after which complications
>arise where the human player can go wrong. I see no possibility for White to
>make progress if Black had continues his waiting policy.} 45. Rdxd4 Rxd4 46.
>Rxd4 Qxd4 47. Qxe6+ Kh7 48. Qe7 {And here I needed some time to find a
>manoeuvre either to allow Black a perpetual chech or the possibility to hold
>the attacked pawn on b7. Queen endings are rather unpleasant to play against
>computers.} 48... Qf4 49. g3 Qb8 50. Kg2 Qc8 {Rather passive, but how can
>White make further progress? And by the way, what else should Black play
>without giving up a pawn?} 51. h4 Kg8 52. Kf1 Kh7 53. Kg1 Kg8 54. Kg2 Kh7 {
>I am satisfied with a draw.} 55. f4 Qg4 {And now, after it was possible to
>bring my queen to a good place, I was sure being able not to loose the game.}
>56. Qe4 Qd1 ({Of course not the loosing exchange of queens} 56... Qf5 57. Qxf5
>gxf5 58. g4 {and the pawn ending is won for White} 58... fxg4 59. Kg3 Kh6 60.
>Kxg4 Kg6 61. f5+ Kf6 62. Kf4 Ke7 63. Ke5 Kf7 64. Kd6 Kf6 65. Kc7 Kxf5 66. Kxb7
>Kg4 67. Kxc6 Kxh4 68. b5 axb5 69. a6) 57. Kh2 Kh6 {To prevent h4-h5.} 58. Qe7
>Qf1 ({Fritz 6:} 58... Qc2+ 59. Kg1 Qd1+ 60. Kf2 Qd2+ 61. Kf3 Qd1+ 62. Kf2 {
>0.00/15}) 59. Qe3 Kh7 {Dangerous could be to place the king to h5.} 60. Qd2 Qf3
>61. Qc2 Kh6 62. Qg2 Qc3 63. Qe4 Qd2+ 64. Kh3 Qd1 65. Qe3 Qh1+ 66. Kg4 Qd1+ 67.
>Qf3 Qb1 68. Qc3 Qd1+ 69. Qf3 Qb1 70. Qc3 Qd1+ 71. Qf3 1/2-1/2
>
>[Event "Gambit Tiger 2 40/40"]
>[Site "Switzerland"]
>[Date "2001.04.04"]
>[Round "1"]
>[White "Gambit Tiger 2.0"]
>[Black "Utzinger, Kurt"]
>[Result "1/2-1/2"]
>[ECO "C10"]
>[WhiteElo "2500"]
>[BlackElo "1993"]
>[Annotator "2001-04-04"]
>[PlyCount "73"]
>[EventDate "2001.??.??"]
>
>{White: Gambit Tiger 2.0 P_III 800/128, 24 MB hash 4-men TB's, cache size 16
>MB, depth 4 Book: User Engine book ct.tbk Time control: 40'/40} 1. e4 e6 2.
>d4 d5 3. Nd2 dxe4 {
>By way of exception I did not play my favourite 3...c5 4.exd5 Qxd5.} 4. Nxe4
>Bd7 5. Nf3 Bc6 6. Bd3 Nd7 {I had made bad experience with variations where
>Black is going to exchange too early the bishop against White's knight on f3.}
>7. O-O Ngf6 8. Ned2 {A novelty for me, but a pleasant one. Why should White
>loose a tempo in the opening? I do not understand this move.} 8... Be7 9. Re1
>O-O 10. Nc4 {White last book move. I was somewhat relieved, had I more feared
>the "logical" 10.c4 gaining space in the centre.} 10... b6 11. c3 Bb7 12. b4 {
>This again came a surprise to me. And suddenly had I the (incorrect) feeling
>that the positonal sound answer c7-c5 would not be best because White can
>obtain the pawn majority on the queen side.} 12... c6 {Macht das Feld c7 fuer
>die Dame frei. Schwarz will vorerst sauber seine Entwicklung abschliessen und
>dann gucken, wie es weitergeht.} (12... c5 13. dxc5 bxc5 14. b5 a6 15. bxa6
>Rxa6 16. Nce5 Nxe5 17. Nxe5 Qd5 18. Qf3 Qxf3 19. Nxf3 $11) 13. Qc2 Qc7 14. Nce5
>{Up to now I had played rather quickly. But here it was time to form a plan.
>And after some thoughts I came to the conclusion that the first idea 14...a5,
>attacking White's weakened queen side, could be dangerous on account of 15.
>Nfg5.} 14... h6 (14... a5 15. Ng5 g6 (15... h6 16. Bh7+ Kh8 17. Ngxf7+ Rxf7 18.
>Nxf7#) (15... Nxe5 16. dxe5 Ng4 17. Bxh7+ Kh8 18. Qd1 $16) 16. Nexf7 Rxf7 17.
>Bxg6 Rg7 18. Nxe6 Qd6 19. Nxg7 $18) 15. Bf4 Bd6 16. Reb1 {In this game Gambit
>Tiger 2.0 finds a further move that I had not expected. By exchanging some
>pieces, Black can however minimize White's (space) advantage.} 16... Nh5 17.
>Nxd7 Qxd7 18. Bxd6 Qxd6 19. Ne5 {An importan position. Against a huma player I
>would perhaps have tried 19...Nf4 but I saw coming up complications and did
>not want to loos too much time. So I decided for the logical return to f6 with
>my knight.} 19... Nf6 20. a4 Rfb8 {I needed eight minutes to find this move.}
>21. a5 c5 {A freeing move just in time and only possible because the bishop on
>b7 is protected.} 22. a6 Bc6 {An alternative was 22...Bd5.} 23. Nxc6 Qxc6 24.
>dxc5 bxc5 25. bxc5 {
>Komplizierter und langfristiger waere der Kampf wohl nach 25.b5 geworden.}
>25... Rxb1+ {Of course not forced and only played after four minutes, the time
>needed to "see" that the open b-line will not be to White's advantage.} 26.
>Rxb1 Qxc5 27. Rb5 Qd6 28. Rb7 Nd7 {In the analysis after the game, Gambit
>Tiger showed the line 28...Ng4 29.g3 Ne5, a continuation I had never
>considered. For me it is also very unlogical to give voluntarily White the
>opportunity to open a whole for the king.} 29. Qd1 {
>Threats to win my queen with Bxh7.} 29... g6 30. Qb1 {The last and indeed
>great surprise in this game. At first I was shocked that it should be possible
>for White to give a piece. But then I saw two good defences: 30...Kg7 and the
>move I played.} 30... Nc5 31. Bxg6 Nxb7 (31... fxg6 32. Qxg6+ Kh8 33. Rh7#) 32.
>axb7 Rb8 33. Bh7+ Kg7 34. Be4 Qb6 {Due to the unforeseen complications I had
>less time on the clock. And so I decided to play for a draw instead of trying
>to win the game with 34...a5.} 35. Qc2 Rxb7 {This time it was Gambit Tiger 2.0
>to be surprised. But now the game is clearly draw.} 36. Bxb7 Qxb7 37. c4 {
>And here Gambit Tiger 2.0 accepted my offer for a draw.} 1/2-1/2
>
>[Event "Chess Tiger 14 40/40"]
>[Site "Switzerland"]
>[Date "2001.04.22"]
>[Round "1"]
>[White "Chess Tiger 14.0"]
>[Black "Kurt Utzinger"]
>[Result "1/2-1/2"]
>[ECO "A88"]
>[WhiteElo "2500"]
>[BlackElo "1993"]
>[Annotator "2001-04-22"]
>[PlyCount "85"]
>[EventDate "2001.??.??"]
>
>{White: Chess Tiger 14.0 P_III 800/128, 48 MB hash 4-men TB's, cache size 16
>MB, depth 4 Book: User Engine book ct.tbk Anti human play: not activated
> Style: normal Time control: 40/40 + 40/40 } 1. d4 f5 {
>My favourite defence against humans and computers.} 2. g3 Nf6 3. Bg2 g6 4. Nf3
>Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. d5 e5 9. dxe6 Bxe6 10. Qd3 {I was somewhat
>relieved because 10.b3 leads too a more complicated game with better chances
>for a computer program.} 10... Nbd7 11. Bf4 Nb6 12. b3 Ne4 {The usual reply in
>this situation and automatically played. I became angry as the prepared move
>was the seldom choosen continuation 12...d5.} 13. Nd4 {White last book move}
>13... Nxc3 14. Nxe6 Qe7 15. Bd2 {
>Being out of book, Chess Tiger 14 finds the best move.} 15... Qxe6 16. Bxc3
>Bxc3 {
>According to my analysis the exchange of bishops is better than 16...Rae8.} (
>16... Rae8 17. Bxg7 Kxg7 18. e3 Rf6 19. Rad1 Qe5 20. Rd2 Nd7 21. Rfd1 Nc5 22.
>Qc2 Ne4 23. Rd4 Ng5 24. Qd2 Nf7 25. b4 Qe7 26. Qc3 Kg8 27. Qa3 a6 28. b5 axb5
>29. cxb5 d5 30. Qb3 Nd6 31. a4 Nc4 32. Ra1 Qd8 33. Qc3 Na5 34. Rb1 Rd6 35. bxc6
>bxc6 36. Qc5 Rd7 37. Rdb4 Qa8 38. h4 Rc8 39. h5 Nc4 40. h6 Rdc7 41. Rxc4 dxc4
>42. Bf1 Rd7 43. Bxc4+ Rd5 44. Qe7 {1-0 Uhlmann,W-Zwaig,A/Halle 1967/EXT 99 (44)
>}) 17. Qxc3 d5 {
>For me the logical answer. The game below with 17...Nd7 was unknown to me.} (
>17... Nd7 18. Rad1 Nc5 19. e3 Qe5 20. Qc2 a5 21. Rd4 Rad8 22. Rfd1 Rf6 23. Qd2
>Na6 24. e4 Rdf8 25. Rxd6 fxe4 26. Rxf6 Rxf6 27. Re1 Nc5 28. f4 Qd6 29. Rd1 Qxd2
>30. Rxd2 e3 31. Rd1 Re6 32. Rd8+ Kg7 33. Kf1 e2+ 34. Ke1 Re3 35. Rd2 Nd3+ 36.
>Rxd3 Rxd3 37. Kxe2 Rd4 38. Bf3 Kf6 39. Ke3 Rd8 40. h4 h5 41. a3 c5 42. a4 Rd6
>43. Be2 Kf5 44. Bf3 Rb6 45. Bd1 Re6+ 46. Kf2 Rd6 47. Bc2+ Kg4 48. Be4 Rd2+ 49.
>Ke3 Rb2 50. Bxg6 Rxb3+ 51. Ke4 Rxg3 52. Bf7 Kxh4 53. Kf5 Rf3 54. Bd5 Rf2 55.
>Bxb7 Kg3 56. Ke5 Rxf4 57. Bd5 h4 58. Kd6 h3 59. Kxc5 h2 60. Kb6 Rxc4 {
>0-1 Meduna,E-Palatnik,S/Trnava 1987/TD (60)}) 18. cxd5 Nxd5 19. Qc4 {White has
>of course a small advantage because the B is stronger than the N but it is a
>hard task to demonstrate a win for White. Black has counterchances on the open
>e-file and a possible break with f5-f4. And if White decides to exchange the
>opposite N Black will remain with an isolated pawn. Having already made some
>experience with this type of position, I am convinced that Black has enough
>compensation for this weakness due to the pressure along the open c- and
>e-files.} 19... Rfe8 20. Rfd1 Nb6 (20... Nc7 {is bad on account of} 21. Rd7
>Rac8 22. Qxe6+ Rxe6 23. e3 {with a clear advantage for White}) 21. Qxe6+ Rxe6
>22. Rd2 Rae8 {More than six minutes had I investigated the more or less forced
>variation starting with 22...Ree8 before I decided to play another move.} (
>22... Ree8 23. Rad1 Kf7 24. e3 Ke7 25. Kf1 Rad8 26. Ke2 Rxd2+ 27. Rxd2 Rd8 28.
>Rxd8 Kxd8 {and the BvsN ending is rather difficult for Black.}) 23. Kf1 R6e7
>24. Rad1 Kf7 25. h3 {
>The move I had expected was 25.Bh3 with the aim of opening the diagonal h3-c8.}
>25... Rc8 {Intends to exchange the rooks on d7.} 26. Ke1 {
>More worried was I about 26.a4} 26... Rcc7 27. a4 a5 28. Rc2 {This came as a
>real surprise to me and fortunately Black has still a sufficient defence.}
>28... Re8 29. g4 {Again an unexpected but not bad move.} 29... fxg4 30. hxg4
>Rd7 31. Rc5 Rxd1+ 32. Kxd1 Ra8 {I began to feel uncomfortable, my pieces stand
>rather passive and I thought that 33.g5 would be a rather strong continuation
>for White to improve his position.} 33. e4 {After some minutes of thought I
>came to the conclusion that this pawn maneouvre was a wrong decision. Now I
>felt that I should be able to hold the position and to get a draw against
>Chess Tiger 14.0 because Black can construct a blockade with N and the g6-pawn.
>} 33... Nd7 34. Rc3 g5 {That's the point, Black prevents f2-f4 and is planning
>to put his N to the strong central square e5.} 35. Ke2 Ne5 36. f3 Kf6 {
>The last precise move that protects the knight in order to be able to play
>Ra8-d8.} 37. Rc5 b6 {No weakness in this position.} 38. Rc1 Rd8 {
>And here Black has at least obtained equality.} 39. Rc3 {
>Chess Tiger 14.0 does not like to make experiments.} (39. Rh1 Kg7 40. Rd1 Rxd1
>41. Kxd1 Kf6 42. Ke2 Nd7 {and the advantage lies on Black's side.}) 39... Rd4
>40. Ke3 Rd8 {Very fast played with the intention to study the position more
>deeply the next move.} 41. Ke2 Rd4 42. Ke3 Rd8 {At first I wanted to place my
>rook on b4 but then reminded me that one should not bring the own pieces to
>worse places ... especially not if you play against a computer.} 43. Ke2
>1/2-1/2
>
>[Event "Shredder5 40/40'"]
>[Site "Wetzikon"]
>[Date "2001.04.23"]
>[Round "1"]
>[White "Utzinger, Kurt"]
>[Black "Shredder 5.0"]
>[Result "0-1"]
>[ECO "A13"]
>[WhiteElo "1993"]
>[BlackElo "2500"]
>[Annotator "2001-04-23"]
>[PlyCount "86"]
>[EventDate "2001.??.??"]
>
>{P3_800/128, 32 MB hash, 4-men and partly 5-men TB's, book=standard
>} 1. c4 {
>0s} 1... e6 {Buch 0s} 2. Nf3 {7s (d4)} 2... b6 {Buch 0s} 3. b3 {10s (d4)} 3...
>Nf6 {-0.11/12 1:23m} 4. Bb2 {3s (Sc3)} 4... Bb7 {Buch 0s} 5. e3 {1s} 5... d5 {
>Buch 0s} 6. d3 {
>10s (Le2) A most cautious variation I have never played in my life before.}
>6... c5 {+0.07/12 1:47m} 7. Be2 {29s} 7... Be7 {+0.06/13 1:01m} 8. O-O {4s}
>8... Nc6 {+0.12/12 1:41m} 9. Nbd2 {7s (d4)} 9... O-O {+0.10/12 1:12m} 10. Ne5 {
>4s (a3)} 10... Nxe5 {+0.19/11 1:15m} 11. Bxe5 {0s} 11... Nd7 {+0.12/12 1:44m}
>12. Bb2 {26s} 12... Qc7 {+0.11/11 51s} 13. Nf3 {2:04m (cxd5)} 13... Rad8 {
>+0.27/11 1:06m} 14. Qc2 {19s (cxd5)} 14... Bd6 {+0.29/12 1:19m} 15. Rac1 {
>2:09m (cxd5) An automatic and rather superficial move. White has already a
>small disadvantage.} ({Fritz 6:} 15. cxd5 Bxd5 16. h3 Ne5 17. Nd2 Ng6 18. f4
>Nh4 19. Nf3 Nxf3+ {-0.12/14}) 15... d4 {+0.73/12 2:02m} 16. e4 {23s (g3) By
>closing the centre I had hoped to equalizie. It is somewaht a mistery how it
>was possible to overlook Black's next move.} (16. exd4 Bxf3 17. Bxf3 Bxh2+ 18.
>Kh1 Qf4 19. Bg4 Qxg4 20. Kxh2 cxd4 {is not at all clear}) ({Fritz 6:} 16. h3
>Ne5 17. Nxe5 Bxe5 18. f4 Bd6 19. Qd2 dxe3 20. Qxe3 a6 {-0.37/14}) 16... f5 {
>+1.05/12 39s Now White had good reason to become nervous. This type of
>position is exactly one of those that computer plays very well. White is
>withous counterplay and can only try to defend. A very unpleasant situation.}
>17. g3 {48s (exf5)} (17. exf5 Bxf3 18. Bxf3 Bxh2+ 19. Kh1 Rxf5 {
>does not look promising for White}) 17... fxe4 {+1.19/12 1:30m} 18. dxe4 {2s}
>18... Be7 {+1.25/11 23s Strong and unexpectes as well.} 19. Rce1 {4:56m (Tcd1)}
>19... Nf6 {+1.18/12 1:57m} 20. Bd3 {1:15m (Sg5) My intention was to build up a
>blockade and I almost succeeded in doing so.} 20... Ne8 {+1.10/12 1:57m} 21.
>Kg2 {2:26m (Sd2)} 21... e5 {+1.35/12 1:12m} 22. Bc1 {1:25m (De2) To bring the
>bishop on the diagonal c1-h6 contributes to improve the harmony of White's
>play.} 22... a6 {+1.21/11 1:31m} 23. Ng1 {1:54m} 23... Nf6 {+1.21/13 0s} 24. f3
>{2s (f4) It was perhaps a better solution to demonstrate some activity with 24.
>f4 as suggested by Shredder5. But I could not jump over my shadow and to
>change my plan.} 24... Qd7 {+1.09/12 1:13m} 25. Nh3 {2:44m (f4)} 25... Bc8 {
>+1.09/12 1:09m The correct move demonstrating to White that Black has the
>initiative.} 26. Nf2 {3s} 26... Qe6 {+0.99/13 1:29m} 27. Rd1 {2:13m (De2) The
>beginning of a wrong plan but White's situation is far from easy, so I needed
>too much time for each of the following moves. Already here was it more or
>less clear that Shredder5 would win the game. If I had the defence skill of an
>Emanuel Lasker .... maybe all could happen.} 27... Bb7 {+1.00/12 1:00m} 28.
>Rfe1 {1:38m (De2)} 28... Ne8 {+1.10/12 2:00m} 29. Rf1 {2:30m (a3)} 29... Nd6 {
>+1.07/11 45s} 30. Qe2 {2:07m} 30... Nf7 {+1.12/13 0s} 31. h4 {1:09m (Kg1) My
>wish not to allow Black's pieces to go to the fine square g5 ist
>understandable. On the other hand it is clear that the text move considerably
>weakens White' king position.} 31... Qg6 {+0.99/11 48s} 32. Kh2 {41s} 32... Qf6
>{+0.99/12 8s} 33. Nh3 {17s (Sg4)} ({Fritz 6:} 33. Ng4 Qg6 34. f4 exf4 35. Rxf4
>Qe6 36. e5 Nh8 37. Rff1 Rf7 {-0.84/14}) 33... Qe6 {+1.05/12 56s} 34. Qg2 {
>53s (Sf2) It is obvious that White is playing from move to move without a
>concrete plan but the time left on my clock was an important factor.} 34... Bc8
>{+1.23/11 38s} 35. Rf2 {50s (Sf2)} 35... a5 {+1.28/11 51s} 36. a4 {15s (Tff1)}
>36... Qg6 {+1.20/11 47s} 37. Ng1 {55s (Lb2)} 37... Qh5 {+1.57/11 40s To my
>horror Shredder5 made his moves rather quickly thus increasing the pressure.}
>38. Ne2 {1:32m (Sh3)} 38... Ng5 {+1.60/11 33s} 39. Ng1 {27s} 39... Ne6 {
>+1.60/11 2s So far White has defended not too bad and although Black has a
>remarkable advantage the situation ist still not clear. But now I eventually
>made a decisive mistake. Shredder5 does not miss the opportunity.} 40. Rdf1 {
>22s (Sh3)} ({Fritz 6:} 40. Nh3 Bb7 41. Be2 Qg6 42. Bd3 Bd6 43. f4 exf4 44. Nxf4
>Bxf4 {-1.03/14}) 40... Nf4 {
>+2.90/12 1:09m A beautiful piece sacrifice that wins the game.} 41. gxf4 {
>1:07m (Lxf4)} ({Fritz 6:} 41. Bxf4 exf4 42. g4 Qxh4+ 43. Nh3 {-2.31/14}) 41...
>Bxh4 {+4.40/13 2:15m} 42. Nh3 {19s (f5)} 42... exf4 {+4.98/13 2:05m A nice
>situation - for Shredder5 of course. White is absolutely helpless against the
>coming attack.} 43. Kg1 {4:30m} 43... Bxh3 {+5.26/16 0s and here I resigned.}
>0-1
>
>[Event "Gambit Tiger 2 40/40"]
>[Site "Switzerland"]
>[Date "2001.04.28"]
>[Round "2"]
>[White "Gambit Tiger 2.0"]
>[Black "Utzinger, Kurt"]
>[Result "1/2-1/2"]
>[ECO "B12"]
>[WhiteElo "2500"]
>[BlackElo "1993"]
>[Annotator "2001-04-28"]
>[PlyCount "95"]
>[EventDate "2001.??.??"]
>
>{White: Gambit Tiger 2.0 P_III 800/128, 48 MB hash 4-men TB's, cache size 16
>MB, depth 4 Book: User Engine book ct.tbk Anti human play: not activated
> Style: normal Time control: 40/40 + 40/40 } 1. e4 c6 2. d4 d5 3. e5 {
>White last book move} 3... g6 {
>Unexpected for me, Gambit Tiger 2 was already out of book.} 4. Nf3 Bg4 {
>If Black plays this move he must be ready to give up the bishop pair.} 5. h3
>Bxf3 6. Qxf3 e6 {Looks dangerous in view of the weakness on the dark squares
>in Black's camp. But sooner or later Black cannot avoid e7-e6. The idea is to
>poste my Bf8 on e7 instead of at g7. I had made the experience in this kind
>of position that Black - after Bf8-g7 - is later often forced to bring his B
>back to e7. So why not at once? All this may be become more clear in the
>ensuing comments of the game.} 7. Nd2 h5 {In my opinion no waste of time.
>Black intends to prevent g2-g4 and is planning h5-h4 at the right moment in
>order to let follow the maneouvre Ng8-h6-f5 or Ng8-e7-f5.} 8. Nb3 Nd7 {
>With pressure on e5 thus not allowing the enemy knight to go to c5.} 9. c3 {
>Instantly played.} 9... Be7 10. Be3 Nh6 11. Bd3 {Gambit Tiger 2 played this
>and the following three moves instantly. I didn't like that.} 11... Nf5 {
>A good place for the knight.} 12. O-O Bg5 {
>Due to a lack of other ideas I decided to exchange bishops.} 13. Rad1 {
>Having already used 20 minutes on the clock I became nervous and again "lost"
>four minutes to find a suitable plan.} 13... Bxe3 {Another trial was the
>waiting move 13...Qe7 that, fairly spoken, did not come to my mind.} 14. fxe3
>Qg5 15. e4 Qe3+ {Exchanging Q is not a bad policy against a dangerous attacker
>like Gambit Tiger 2.} 16. Kh2 Qxf3 17. Rxf3 {
>Forced. If 17.gxf3 Black replies 17...Ne3 and Gambit Tiger 2 looses material.}
>17... dxe4 18. Bxe4 O-O-O {
>Doing something for the development and defending the pawns on the queen wing.}
>19. Rc1 Kb8 {I was not unhappy with the situation: the Nf5 has a strong
>position and White's king side is more or less blocked whereas on the other
>wing it should be possible to build up a sufficient defence.} 20. Rf2 h4 {
>Preventing g2-g4 for ever. On the other hand the advanced pawn may become weak
>should White succeed in placing the rook on f4 and the his knight to f3.
>Nevertheless played I this move automatically as it seemed to be the "correct"
>one.} 21. Na5 {Is 22.Bxc6 bxc6 23.Nxc6 Kc7 24.Nxd8 a threat? I had no time to
>investigate and so I took the rook to defend c6. It was of course also
>possible to reply with 21...Kc7, but I feared that White could break up the
>c-file.} 21... Rc8 22. Rb1 Rc7 {Passive defence instead the active
>continuation 22...f6, a move for which I had not thought a moment.} 23. b4 Rhc8
>{Again played very fast in order not to loose the game on time. White's clock:
>21:03, Black's clock: 30:28} 24. Nb3 {Is this really the best move? I was just
>thinking about how to answer 24.Nc4 when White relieved me.} 24... Rh8 25. Nc5
>Nxc5 {After short reflection and in view of my feeling that the half open
>b-line will not become dangerous, I decided to exchange the knights.} 26. bxc5
>Ka8 {Maybe it is necessary to have the square b8 free for a rook.} 27. a4 Ng3
>28. Bd3 Nf5 29. a5 a6 30. Rf3 Ka7 {And now I leant back since I could not
>imagine how White should be able to make further progress. Important is only
>that Black is doing nothing.} 31. Kg1 Rh5 32. Kf2 Rh8 33. Bc4 Rd8 34. Rf4 Rh8
>35. Rb6 Rh5 36. Rf3 Rh8 37. Ke2 Rh5 38. Bd3 Rh8 39. Bc2 Rh5 40. Kf2 Rh8 41. Bb1
>Rh5 42. Ba2 Rh8 43. Ke2 Rh5 44. Bc4 Rh8 45. Kd3 Rh5 46. Rb2 Rh8 47. Ke4 Rd7 48.
>Ba2 {adjusted} 1/2-1/2
>
>[Event "Gambit Tiger 2 40/40"]
>[Site "Switzerland"]
>[Date "2001.04.29"]
>[Round "3"]
>[White "Gambit Tiger 2.0"]
>[Black "Utzinger, Kurt"]
>[Result "1/2-1/2"]
>[ECO "B22"]
>[WhiteElo "2500"]
>[BlackElo "1993"]
>[Annotator "2001-04-29"]
>[PlyCount "121"]
>[EventDate "2001.??.??"]
>
>{White: Gambit Tiger 2.0 P_III 800/128, 48 MB hash 4-men and partly 5-men
>TB's, cache size 16 MB Book: User Engine book ct.tbk Anti human play:
>activated Style: normal Time control: tournament 40/40 + 40/40 Played under
>Rebel Tiger II-GUI } 1. e4 c5 {The first two games against Gambit Tiger 2.0
>ended with a draw. So I made a trial to play the sharp Sicilian defence.} 2.
>Nf3 e6 3. c3 {Having activated Gambit Tiger's option anti-human, I could not
>understand that the program played this - in my opinion - rather harmless
>continuation.} 3... d5 4. exd5 Qxd5 5. d4 Nf6 6. Na3 a6 {Already being out of
>book I decided for this locigal move that prevents Na3-b5 and Bf1-b5.} 7. Nc4
>Nbd7 {Forced in view of the threat Nc4-b6.} 8. a4 {In order not to allow b7-b5.
>} 8... b6 {Only 20 seconds for this move, but is there another possibility to
>avoid White's a4-a5?} 9. Be2 Bb7 10. O-O Be7 11. Bf4 {White last book move}
>11... O-O {For the last three moves serving the own development I needed not
>more than 80 seconds.} 12. dxc5 Bxc5 13. Qxd5 {Indeed somewhat surprising that
>Gambit Tiger is exchanging queens. The anti-human option has obviously too
>less influence in this situation. Never had I expected this move.} 13... Nxd5
>14. Bg3 {Up to now it was very easy to find good moves. In spite of the
>missing queens this middle game position is very tricky. Where are the best
>places for the own pieces? What pieces should be kept on the board? And what
>about the pawn structure? White has a pawn majority on the queen's side that
>can become very dangerous. I knew from experience that only utmost attention
>on my part could avoid an unnecessary disaster.} 14... N7f6 {Nearly 10 minutes
>went over to form a suitable plan. And in such positions you need a plan. The
>strategy "to play from move to move" seldom works. With Nf6 my well posted Nd5
>is protected. Furthermore Black looks for Nf6-e4 to obtain the pair of bishops.
>And eventually the rooks obtain good perspectives on the squares c8 and d8.}
>15. Nfe5 Rfd8 {The line mentioned below is perhaps even stronger. But after 15.
>..Nf6-e4 I had no good idea how to anwer 16.Bg3-h4 and so I put the rook to d8
>to avoid Ne5-d7.} (15... Ne4 16. Nd7 Nxg3 17. hxg3 Rfd8 18. Nxc5 bxc5 19. Bf3)
>16. Bf3 Rac8 {A fast and logical decision.} 17. Rfd1 Ba8 {Now the pin Bf3-b7
>is neutralized. In most cases it is a good policy to let have the own pieces
>protected.} 18. Kf1 {For me a rather difficult situation. My pieces are
>optimally placed and the question is: what to do without weakening the
>position?} 18... Kf8 {In the analysis after the game, using the ChessBase-GUI,
>Gambit Tiger suggested 18...Nd7 a good move that I had not even considered. I
>was about to play 18...a5 when I changed my mind. To centralize the king looks
>sound.} ({Gambit Tiger 2.0:} 18... Nd7 19. Nxd7 Rxd7 20. Rd3 Rdd8 21. Rad1 b5
>22. axb5 axb5 23. Na5 Bb6 24. Nb3 b4 25. Bh4 {0.28/12}) 19. a5 {That came as a
>real surprise, leaving me not much choice. I began to feel uncomfortable.}
>19... b5 20. Nb6 Nxb6 21. Rxd8+ (21. axb6 Rxd1+ 22. Bxd1 Bb7 23. Bf3 Bxf3 24.
>Nxf3 Bxb6 25. Rxa6 {leads to the position in the game.}) 21... Rxd8 22. axb6
>Bxf3 23. Nxf3 Bxb6 24. Rxa6 Nd5 {What else?} 25. Ne5 {Although material is
>equal, it seemed to me that White has somewhat improved his position. Anyway,
>I was unable to find a clear way to neutralize White's small but sensible
>advantage. Fortunately, I had enough time to study the position more deeply.
>And this was good because at first glance I wanted to play 25...f6 until I
>perceived the strong answer 26.c4.} 25... Bc7 (25... f6 26. c4 bxc4 27. Nxc4
>Bd4 28. Rxe6) 26. Ra7 Bxe5 {
>The rather passive alternative 26...Rc8 did not find my approval.} 27. Bxe5 f6
>28. Bg3 {Again an important moment. White threatens to play Rb7 and my first
>idea 28...Rc8 29.Rb7 b4 does not work as White plays 30.Bd6 and not 30.cxb4.
>This is a typical example where a computer sees the correct move 28...Ne7 at
>once wheras human beings need some time to come to the same conclusion.} 28...
>Ne7 {Allows Black's rook to go to d5.} (28... Rc8 29. Rb7 b4 30. cxb4 Rc1+ 31.
>Ke2 Rc2+ 32. Kd3 Rxb2) 29. Rb7 Rd5 30. Ke2 e5 {
>Makes the enemy B immobile for one move.} 31. f3 {White now threatens Bg3-f2,
>followed by b2-b4 and Bf2-c5 when it will no longer be possible for me to
>defend the b5-pawn. What can I do against this plan? The question was whether
>White's position really was so overwhelming as to yield a win without any
>difficulty. Wherein then do Black's chances lie? I came to the conclusion that
>only a rook ending may save the game and so the following moves are more or
>less forced.} 31... Ng6 32. Ke3 {
>Intends to drive away the Rd5. Black has no choice.} (32. b3 Nf4+ 33. Bxf4 exf4
>34. c4 bxc4 35. bxc4 Rg5 36. Kf2 Rc5) 32... f5 {
>The first threat of Black in this game is f5-f4.} 33. Ke2 Nf4+ {In the analysis
>after the game I noticed that GT_2 would have preferred the stronger 33...h5,
>again a move that I had overlooked.} ({Gambit Tiger 2.0:} 33... h5 34. h4 Nf4+
>35. Bxf4 exf4 36. b4 g6 37. Ra7 Ke8 38. Rc7 Re5+ 39. Kd3 Rd5+ 40. Kc2 Re5 41.
>Rb7 Kd8 {0.56/15}) 34. Bxf4 exf4 {So we have - as planned - reached a rook
>ending that stands outstandinlgy better for White. The main trump of GT_2 is
>the pawn majority on the queen's wing allowing to create a passed pawn. These
>were my thoughts during the game. Only afterwards did I realize that the
>situation was less worse than imagined.} 35. g3 {Most surprising and
>unexpected allowing Black to change the pawn structure in a positive manner.
>Before this move a pawn ending would have been an easy win for Gambit Tiger.
>This is now no longer the case and so I think it is not wrong to give the move
>35.g3 a question mark. This is the more correct as 35.g3? makes White's
>f3-pawn rather weak. And as long as White has no passed pawn it will seldom be
>possible to give up pawns on the king's side.} (35. b3 Re5+ 36. Kd3 Rd5+ 37.
>Kc2 h6 38. c4 bxc4 39. bxc4 Re5 40. Kd3 Re3+ 41. Kd4 Re2 42. Kd5 Rxg2 43. c5
>Ke8 44. h4 g5 45. hxg5 hxg5 {
>is a possible and unclear but of course not forced variation.}) 35... fxg3 {
>I was so happy that I did not find the best reply that consisted in 35...Re5
>according to the variation given below.} (35... Re5+ 36. Kf1 {
>if 36.Kf2 so Rd5 and White has nothing better than 37.Ke2} 36... fxg3 37. hxg3
>f4 {a beautiful pawn sacrifice to get counter chances} 38. gxf4 Rf5 39. Kf2 h5
>40. Ke3 (40. Kg3 Kg8 41. Re7 Kh7 42. Re5 Kg6 43. Rxf5 Kxf5) 40... Kg8 41. Ke4
>g6 {and I cannot see how White should be able to win this ending.}) 36. hxg3 h6
>{Black must set about preparing the advance of pawns to obtain enough counter
>chances.} 37. b3 g5 {Perhaps 37...f4 would still have been the correct move.
>But I had only 1:30 left on my clock and did not want to go for complications
>in this phase.} 38. Ke3 (38. Rh7 Rd6) 38... Kg8 {
>So White's rook cannot go to h7.} 39. c4 bxc4 40. bxc4 Rd1 {For me the only
>move. Black must not allow the opposite king to support the strong passed
>c-pawn.} 41. Rb5 Rc1 42. Kd4 Rd1+ 43. Ke5 {At this moment I was disappointed
>because it seemed to me that White should be able to win the ending. So my
>only aim was to search for some way in which Black can pose a problem to GT_2.
>And eventually I found a solution by giving up a pawn with chances to obtain a
>drawn ending.} 43... g4 44. fxg4 (44. f4 Rd3 45. Kxf5 Rxg3 46. Kg6 Kf8 47. f5
>Re3 48. Rb8+ Re8 49. Rb3 (49. Rxe8+ Kxe8) 49... Rc8 50. f6 g3 51. Rxg3 Rxc4)
>44... fxg4 45. c5 Kf7 {The idea is to give up my pawns on the king's side
>against White's strong passed c-pawn.} 46. c6 Ke7 47. Rc5 Kd8 {Just in time.}
>48. c7+ Kc8 49. Kf4 Rd4+ 50. Kf5 h5 ({Gambit Tiger 2.0:} 50... Ra4 51. Rc2 h5
>52. Kg5 Ra5+ 53. Kh4 Re5 54. Rc6 Rb5 55. Rh6 {1.55/17}) 51. Kg5 Rd3 52. Kh4 Ra3
>{This was the position that I had foreseen in the meaning that White should
>not succeed in this rook ending. A few moves ago I was not quite sure that
>this would work but now I was certain: the game will end in a draw.} 53. Rxh5
>Kxc7 54. Rd5 {After 54.Kxg4 Kd6 Black obtains a position in a rook ending that
>is known to be draw.} (54. Kxg4 Kd6 55. Rf5 Ke6 56. Rf4 Rd3) 54... Ra4 55. Kh5
>Kc6 56. Rd1 Kc7 57. Kg5 Kc6 58. Rd8 Kc7 59. Rd2 Kc6 60. Rd1 Kc7 61. Rd5 1/2-1/2
>
>[Event "Shredder5 40/40'"]
>[Site "Wetzikon"]
>[Date "2001.04.30"]
>[Round "2"]
>[White "Utzinger, Kurt"]
>[Black "Shredder 5.0"]
>[Result "1/2-1/2"]
>[ECO "A06"]
>[WhiteElo "1993"]
>[BlackElo "2500"]
>[Annotator "2001-04-30"]
>[PlyCount "30"]
>[EventDate "2001.??.??"]
>
>{P3_800/128, 64 MB hash, 4-men and partly 5-men TB's, book=standard
>
>} 1. Nf3
>{This is my preferred opening move against strong[er] players. So why not try
>vs the micro chess computer world champion?} 1... d5 2. e3 Nf6 3. b3 Bg4 4. Bb2
>{Not allowing Black's e7-e5.} 4... Nbd7 5. Be2 {Unpinning the knight and
>preparing the castle. If now 5...Bxf3 6.Bf3 e5 White obtains the bishop pair.}
>5... e6 6. O-O Bd6 7. d4 {And Shredder5 was out of book only to come back with
>the next move. Another good continuation is 7.c4.} 7... c6 8. c4 Qb8 {
>The expected move was 8...0-0 as per the line below from the Shredder book.
>Now I had something to reflect. My first and unusual idea was to try 9.g3.
>This however weakens the king's wing and Black can launch an not at all clear
>attach with 9...h5. And furthermore I feared sacrifices on the square g3.} (
>8... O-O 9. Nbd2 Qe7 10. Ne5 Bxe2 11. Qxe2 Ba3 12. Bxa3 Qxa3 13. f4 Rfd8 14. g4
>Qe7 15. g5 Ne8 16. c5 Nxe5 17. fxe5 Qxg5+) 9. Nbd2 O-O 10. h3 {
>White's clock: 08:25} 10... Bf5 {Black last book move} (10... Bh5 11. Rc1 Re8 {
>leads to another game with more tension and therefore is the better choice for
>a computer to play against human.}) 11. cxd5 {Of course had White also taken
>into consideration 11.Nh4 Be4 12.Nxe4 but I thought that Black would reply
>with the unpleasant 12...dxe4. Maybe bad judgment on my side but I did not
>want to investe too much time in this line. And against stronger opponents one
>is well advised not to loose to much time in such moves when one has found
>another good plan.} (11. Nh4 Be4 12. Nxe4 Nxe4 13. Bd3 f5 14. Nf3 a5 15. a4 Qe8
>16. Ne5 Nxe5 17. dxe5 Bb4 {Shredder5-book}) 11... cxd5 12. Nh4 Be4 13. Nhf3 {
>A safe return instead of the sharper 12.f3 that weakens the dark squares on my
>king's wing. Now I was ready for the exchange Nd2xe4 and obviously Shredder5
>won't allow this.} 13... Bf5 14. Nh4 Be4 15. Nhf3 Bf5 {
>and here Shredder5 offered a draw what I accepted.} 1/2-1/2
>
>[Event "Yace_099 40/40'"]
>[Site "Wetzikon"]
>[Date "2001.05.06"]
>[Round "1"]
>[White "Yace 0.99"]
>[Black "Utzinger, Kurt"]
>[Result "1-0"]
>[ECO "B41"]
>[WhiteElo "2400"]
>[BlackElo "1993"]
>[Annotator "2001-05-06"]
>[PlyCount "73"]
>[EventDate "2001.05.06"]
>
>{White: Yace 0.99, own book Hardware: P_III 800/128, 32 MB hash Time Control:
>40'/40+40'/40+40' } 1. e4 c5 2. Nf3 e6 3. c4 {Throws me "out of book".}
>3... d6 4. d4 cxd4 (4... b6 5. Nc3 a6 6. Be2 Qc7 {
>would not have been a bad plan against a computer.}) 5. Nxd4 Nf6 6. Nc3 a6 7.
>Be2 Be7 8. O-O O-O 9. Be3 {White last book move} 9... Qc7 10. Qc2 Nbd7 {
>Not knowing this kind of position, I had no idea wether the knight belongs to
>d7 or c6.} 11. Rfd1 b6 12. a4 Bb7 13. a5 {An unexpected move for me.} 13...
>bxa5 14. Nb3 Nc5 15. Bxc5 dxc5 16. Nxa5 Rad8 {At first I wanted to move the
>other rook to d8, but then saw at once: Black would be lost.} (16... Rfd8 17.
>Nxb7 Qxb7 18. e5 Nd7 19. Bf3 {and White wins material}) 17. Nxb7 Qxb7 18. e5
>Nd7 19. f4 Nb8 {A move I had taken into consideration was also 19...g5 but
>then I had not the courage to play it. So I returned my knight to b8 with the
>intention to defend pawn-a6 and to play later on Nb8-c6-d4(b4).} 20. Bf3 Qc7 {
>Exerting pressure on e5 to prevent White's f4-f5 as long as possible.} 21. g3 {
>Looks rather slows to me. By exchanging rooks and placing my knight into a
>much better position I now wanted to obtain at least equal chances.} 21...
>Rxd1+ {
>There was no need to exchance rooks. The immediate 21...Nc6 was also possible.}
>22. Nxd1 {Very unusual, but not at all a bad move. If White had replied 22.
>Rxd1 so 22...Rd8 and further exchange is almost impossible.} (22. Rxd1 Nc6 23.
>Be4 Nd4) 22... Rd8 23. Ne3 Nc6 24. Qg2 {This move had escaped my attention.} (
>24. Rxa6 {would have been a mistake} 24... Nb4) 24... Nb4 25. Qe2 {Black has so
>far played a good game and White has slight advantage only. But instead of
>keeping the position quiet, I suddenly hastend to force things by opening the
>long diagonal for Black's bishop. For reasons beyond my control I had
>completely overlooked White's 27th move.} 25... f5 26. exf6 Bxf6 27. Ng4 Bd4+
>28. Kh1 {It looks not yet worse but Black must be very carefully to not get in
>a very bad position.} 28... Re8 {Follows a completely wrong plan to play e6-e5.
>} (28... Rd6 {was of course the correct defence and it's not easy for White to
>improve the position.}) 29. Be4 g6 {Against f4-f5 and preparing the next move
>to put pressure on the diagonale h8-a1. On the other hand the pawn move
>weakens Black's kingside.} 30. h4 Qg7 31. Rb1 {And now I had no much time left
>on my clock and so the game continued in the normal way: Black begins to make
>various inaccurate moves and Yace_099 wins without problems.} 31... Kf8 32. Bg2
>h5 33. Ne5 Bxe5 {And this is the decisive mistake although White's position
>was in any case much better.} 34. fxe5 Kg8 35. Qe3 {Attacking a weak pawn.}
>35... Qe7 36. Rd1 {Occupying the open d-line with the threat 37.Rd6. Black has
>no defence and the following mistake makes things clear at once.} 36... Nc2 37.
>Qd3 1-0
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Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.