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Subject: Re: how much time does your program need to see a clear advantage for black?

Author: Kurt Utzinger

Date: 23:57:24 11/05/04

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Hi Uri
Below a try to strengthen white's play.
Kurt

movei chose 12.Be3 but in my opinion 12.Bd2 looks more logical
in order to keep the e-file open
[D]r2q1rk1/ppp2pbp/2nnb1p1/8/5Q2/2NB1N2/PPP2PPP/R1B1R1K1 w - - 0 12


Instead of 13.Bc5 (what's the purpose of this move?) I would suggest
13.Ng5 as per the line give in the PGN-file
[D]r2qr1k1/ppp2pbp/2nnb1p1/8/5Q2/2NBBN2/PPP2PPP/R3R1K1 w - - 0 13


move played 15.Red1 but got in trouble some moves later. Therefore
a possible improvement could be 15.Bxd6 (see line given in the PGN)
[D]r3r1k1/pppq1pbp/2nn2p1/2B2bN1/5Q2/2NB4/PPP2PPP/R3R1K1 w - - 0 15


[Event "40'/40"]
[Site "MyTown"]
[Date "2004.11.05"]
[Round "1.4"]
[White "Movei 0.08.291"]
[Black "Amyan 1.594"]
[Result "0-1"]
[ECO "C43"]
[PlyCount "134"]

1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 Nxd6 7. Bd3 Nc6 8.
Qf4 g6 9. O-O Bg7 10. Re1+ Be6 11. Nc3 O-O 12. Be3 {
More logical - in order to keep the e-file open - looks 12.Bd2 (Utzinger,K)}
12... Re8 13. Bc5 (13. Ng5 {is a reasonable alternative} 13... Bf5 14. Bxf5
Nxf5 15. Rad1 Ncd4 16. Bxd4 Rxe1+ 17. Rxe1 Bxd4 18. Nge4 {
and White has nothing to fear (Utzinger,K)}) 13... Qd7 14. Ng5 Bf5 15. Red1 {
Perhaps the first inaccuracy (Utzinger,K)} ({I would prefer} 15. Bxd6 Bxd3 16.
cxd3 cxd6 17. Nge4 {when the position is rather equal (Utzinger,K)}) 15... Bxd3
16. Rxd3 Ne5 17. Rh3 {After studying the alternatives here I did not find a
really satisfactory move to keep the position balanced (Utzinger,K)} (17. Rd4
h6 18. Nge4 g5 19. Qg3 (19. Nf6+ Bxf6 20. Qxf6 Re6 {
is to Black's advantage (Utzinger,K)}) 19... Nxe4 20. Rxe4 f5 21. Rd4 Qc6 22.
Rd5 f4) (17. Rdd1) 17... h6 18. Nge4 Nxe4 19. Qxe4 b6 20. Be3 Rad8 21. Qb4 Qg4
22. Qb3 Nc4 23. Rf1 Nd2 24. Bxd2 Rxd2 25. Rg3 (25. Rf3 Qd7 26. g3 Re5 27. Rf4
a5) 25... Qd4 26. Rf3 Re6 27. g3 a5 28. Rf4 Qd7 29. a4 Bxc3 30. Qxc3 Ree2 31.
Qf6 Qe6 32. Qxe6 Rxe6 33. Rc1 Ree2 34. b3 Rxc2 35. Rxc2 Rxc2 36. Kg2 Kg7 37. g4
c5 38. Rc4 Rb2 39. Rc3 c4 40. bxc4 Rb4 41. Kg3 Rxa4 42. f3 Rb4 43. c5 bxc5 44.
Rxc5 a4 45. Ra5 Kf6 46. Ra6+ Ke7 47. Ra7+ Ke8 48. Ra8+ Kd7 49. Ra7+ Ke6 50.
Ra6+ Kd5 51. Ra7 Kc4 52. h4 Kb3 53. Re7 a3 54. Re3+ Kb2 55. Re2+ Kc1 56. Re1+
Kd2 57. Kf2 Rb2 58. Ra1 Kc3+ 59. Ke3 a2 60. Kf4 Rb4+ 61. Ke5 Kb2 62. Rd1 a1=Q
63. Rxa1 Kxa1 64. h5 gxh5 65. gxh5 Rb5+ 66. Ke4 Rxh5 67. f4 Rh3 {
Movei->white resign} 0-1




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