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Subject: Rebel 12 Beta1 vs Junior7 [1+2] 120'/40 [now 1-1] commented games

Author: Kurt Utzinger

Date: 04:52:13 05/03/03


Results of Rebel 12 Beta 1 after I have continued the first game vs Junior7 that
I had erroneously adjusted as draw:

<pre><b>
Rebel 12 Beta1                :  33 (+ 10,= 15,-  8), 53.0 %</b>

Fritz 8008                    :  11 (+  3,=  4,-  4), 45.5 %
Shredder 7.04                 :  10 (+  2,=  6,-  2), 50.0 %
Hiarcs 8                      :  10 (+  4,=  5,-  1), 65.0 %
Junior 7                      :   2 (+  1,=  0,-  1), 50.0 % </pre>

[Event "Reb12beta1_Jun7  120'/40"]
[Site "SWZ"]
[Date "2003.05.02"]
[Round "1"]
[White "Rebel 12 Beta1"]
[Black "Junior 7"]
[Result "0-1"]
[ECO "A27"]
[Annotator "Utzinger,K"]
[PlyCount "172"]

1. c4 {Rebel 12 Beta_1 on P3 800/60 MB hash, ponder=on / Junior7 on Duron 1.3/
64 MB hash, ponder=on, book jun7.ctg, tournament book, no book learning, book
write protected / time control 120'/40+60'/20+30'} 1... e5 2. Nc3 Nc6 3. Nf3
Bb4 4. g3 Bxc3 5. bxc3 d6 6. d4 e4 7. Nd2 f5 8. Bg2 Nf6 9. f3 {
White last book move} 9... O-O 10. O-O exf3 {Black last book move} 11. exf3 f4
12. Re1 Bf5 13. Ne4 fxg3 14. hxg3 h6 15. Rb1 Rb8 16. Rb2 Kh8 {Typical Junior7
and the question remains: what's the purpose of this king maneouvre / Typisch
Junior7 und es bleibt die Frage, was der Zweck dieses Zuges ist} 17. Nf2 Na5
18. Bf1 Bh7 19. Bd3 Bxd3 20. Qxd3 Qd7 21. Rbe2 {This leads to the exchange of
all rooks on the e-file / Das fuehrt zum Abtausch aller Tuerme auf der e-Linie}
21... Rbe8 22. Rxe8 Rxe8 23. Rxe8+ Nxe8 {Junior7 needed over 19 min for this
move and for a very long time, the program planned 23...Qxe8 / Junior7
benoetigte ueber 19 Min fuer diesen Zug, denn lange Zeit wurde 23...Dxe8
favorisiert} 24. Ng4 h5 {And not 24...Nf6? 25.Nxf6 gxf6 26.Bxh6 / Und nicht 24.
..Sf6? 25.Sxf6 gxf6 26.Lxh6} 25. Ne3 Qf7 26. Qe2 Nf6 27. Ba3 Qe8 28. Kf2 b6 29.
Bb4 Nb7 30. Nd5 Qxe2+ 31. Kxe2 Nxd5 32. cxd5 {The position offers neither
White nor Black any chances for a win / Diese Position gibt weder Weiss noch
Schwarz Moeglichkeiten, die Partie zu gewinnen} 32... a5 33. Ba3 Kh7 34. Bc1
Kg6 35. c4 Kf5 36. Bd2 g5 37. Kd3 Nd8 38. Ke3 a4 39. Bc3 Nf7 40. Bd2 Nh8 41.
Be1 Ng6 42. Kf2 Nf8 43. a3 Ng6 44. Kg2 g4 45. Kf2 Nf8 46. Bd2 Nd7 47. Ke2 Nf6
48. Ke3 gxf3 49. Kxf3 Ne4 50. Be1 Ng5+ 51. Ke3 Kg4 52. Kf2 Ne4+ 53. Kg2 Nf6 54.
Bd2 Ng8 55. Bc3 Ne7 56. Be1 Nf5 57. Bf2 {Adusted as draw, but Bela Evans in
CCC wrote: Seems like the draw was called too early.  In the final position,
doesn't black still have some winning chances? For example: 57.Bf2 Ne7 58.Be1
Nc8 59.Bb4 Na7 60.Kf2 b5 61.c5 Nc8 62.Ke3 Kf5 63.Kd3 dxc5 64.dxc5 Ke5 and
black is making progress. Bela Evans was right and therefore I continued the
game / Als Remis abgeschaetzt. Doch Bela Evans bemerkte im CCC-Forum, dass das
Remis wohl zu frueh war und Schwarz gar Gewinnchancen haette nach 57.Lf2 Se7
58.Le1 Sc8 59.Lb4 Sa7 60.Kf2 b5 61.c5 Sc8 62.Ke3 Kf5 63.Kd3 dxc5 64.dxc5 Ke5;
das alles ist richtig, weshalb ich die Partie fortsetzte} 57... Nh6 58. Be1 Nf7
59. Bd2 Nh8 {After 59...Ng5 60.Lxg5 Kxg5 the pawn ending is a draw / Nach 59...
Sg5 60.Lxg5 Kxg5 ist das Bauernendspiel unentschieden} 60. Kf2 Ng6 61. Be1 Nf8
62. Ke3 Nh7 63. Ke2 Nf6 64. Ke3 Kf5 65. Kf3 Ne4 66. Bb4 Ng5+ 67. Ke3 Kg4 {
Junior7 has found the best places for his pieces and White is somewhat in
Zugzwang / Junior7 hat die beste Aufstellung gefunden und Weiss in eine Art
Zugzwang gebracht} 68. c5 Nf7 69. cxb6 cxb6 70. Kf2 b5 71. Kg2 Nh6 {
(!) A fine winning plan / Ein feiner Gewinnplan} 72. Bxd6 Nf5 73. Bf4 b4 {
(!) That's the clue / Das ist die Pointe} 74. axb4 a3 75. Bc1 a2 76. Bb2 Ne3+
77. Kh2 Nxd5 {
And now the game is over for White / Und jetzt ist das Spiel fuer Weiss zu Ende
} 78. b5 Kf3 79. Ba1 Ke4 80. g4 hxg4 81. Kg3 Kd3 82. b6 Nxb6 83. d5 Nxd5 84.
Kxg4 Kc2 85. Kf3 Kb1 86. Bd4 Nb6 0-1

Rebel 12 Beta1 vs Junior 7 (1)
Final position
[D]8/8/1n6/8/3B4/5K2/p7/1k6 w - - 0 87

[Event "Reb12beta1_Jun7  120'/40"]
[Site "SWZ"]
[Date "2003.05.03"]
[Round "2"]
[White "Rebel 12 Beta1"]
[Black "Junior 7"]
[Result "1-0"]
[ECO "E32"]
[Annotator "Utzinger,K"]
[PlyCount "125"]

1. d4 {Rebel 12 Beta_1 on P3 800/60 MB hash, ponder=on, Junior7 on Duron 1.3/
64 MB hash, ponder=on, book jun7.ctg, tournament book, no book learning, book
write protected, time control 120'/40+60'/20+30'} 1... Nf6 2. c4 e6 3. Nc3 Bb4
4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 f5 8. e3 b6 9. Nh3 Bb7 10. f3 Qh4+
11. g3 Qe7 {Black last book move} 12. Bg2 Nf6 13. O-O {White last book move}
13... c5 14. b3 Nc6 15. Bb2 a5 {There was nothing wrong with 15...d5 whereas
even 15...d6 looks fine / Es war nichts gegen 15...d5 einzuwenden, waehrend
auch 15...d6 gut ausssieht} 16. Nf4 a4 {(!?) A typical speculative Junior7
move, but indeed very interesting / Ein typischer spekulativer Junior7 Zug,
aber hoechst interesssant} 17. bxa4 Ba6 18. Rfb1 Na5 19. Bf1 cxd4 20. Bxd4 Rfc8
{A rather complicated situation - for human beings, both players have weak
points and the question is how to find the best way / Eine ziemlich
komplizierte Situation - fuer Menschen, beide Spieler haben Schwaechen, und es
gilt den besten Weg zu finden} 21. Qd2 {A valuable alternative was 21.Bxb6
Nxc4 22.Bxc4 Bxc4 23.a5 but computer programs have the tendency to keep things
complicated / Eine pruefenswerte Alternative war 21.Lxb6 Sxc4 22.Lxc4 Lxc4 23.
a5 aber Computerprogramme haben die Neigung, die Sache kompliziert zu
gestalten} 21... Bxc4 22. Qb4 Qf7 23. Bg2 d6 {A surprise for me as I had
expected 23...g5 24.Nh3 Nd5 / Fuer mich eine Ueberraschung, hatte ich doch 23..
.g5 24.Sh3 Sd5 erwartet} 24. Bxb6 e5 25. Bxa5 exf4 26. Bb6 {More precise than
26.gxf4 Nd5 27.Qe1 Nxe3 / Praeziser als 26.gxf4 Sd5 27.De1 Sxe3} 26... Nd5 27.
Qxd6 fxe3 28. f4 e2 {This all looks good for Junior7 but in reality Black
being a pawn down has nothing concrete / Das alles schaut fuer Junior7 gut aus,
in Wirklichkeit hat Schwarz nichts bzw. nur einen Bauern weniger} 29. a5 Re8
30. Re1 Nxb6 {I think that 30...Rac8 would have been slightly better / Meines
Erachtens waere 30...Tac8 leicht besser gewesen} 31. axb6 Rad8 32. Qc5 Ba6 33.
Bc6 Re6 {A most surprising solution: Black sacrifices its rook to eliminate
White's bishop. After a long thinking time Junior7 rejected 33...Re7, Rebel's
logfile showed 00:01:38 13.00  1.04  Lc6 De7 Dxe7 Txe7 Tab1 Tb8 b7 Kf8 Kf2
Lxb7 Ld5 / Eine wirklich ueberraschende Loesung: Schwarz gibt die Qualitaet,
um den gegnerischen Laeufer zu beseitigen. Lange Zeit hatte Junior7 33...Te7
bevorzugt, Rebel's logfile zeigte 00:01:38 13.00  1.04  Lc6 De7 Dxe7 Txe7 Tab1
Tb8 b7 Kf8 Kf2 Lxb7 Ld5} 34. Bd5 Qd7 35. Ba2 Kh8 36. Bxe6 Qxe6 {Against human
players it is doubtful if White could win this game under tournament
conditions, but between computer programs it is clear that White will win /
Gegen menschlische Spieler waere es zweifelhaft, ob Weiss unter
Turnierbedingungen diese Partie gewinnen koennte. Zwischen zwei
Computerprogrammen ist es klar, dass Weiss gewinnt} 37. h3 h6 38. Kh2 Qb3 39.
a4 Rb8 40. a5 Re8 41. Rac1 Qd3 42. Qf2 Re7 43. Rc6 Kh7 44. Qc5 Qf3 45. Rc7 Re6
46. Qd4 Rg6 47. Rc3 Qf1 48. Qg1 Rd6 49. Re3 Rd2 50. Re7 Qf3 51. Qe3 Qf1 52. Qc5
Rd5 53. Qg1 {Rebel has executed some some fine maneouvres and has now a won
position / Mit einigen feinen Manoevern hat Rebel eine Gewinnstellung erreicht}
53... Rd2 54. b7 Qxg1+ 55. Kxg1 Rb2 56. Re6 Bxb7 57. Rb6 Rxb6 58. axb6 Kg6 59.
Rxe2 Kf6 60. Rc2 h5 61. Rc7 Ba6 62. b7 Bxb7 63. Rxb7 1-0

Rebel 12 Beta 1 vs Junior 7 (2)
Final position
[D]8/1R4p1/5k2/5p1p/5P2/6PP/8/6K1 b - - 0 63




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