Author: Dann Corbit
Date: 23:28:50 10/09/03
Go up one level in this thread
On October 10, 2003 at 00:17:50, Jon Dart wrote:
>Played today on ICC:
>
>[Event "?"]
>[Site "chessclub.com"]
>[Date "2003.10.09"]
>[Round "?"]
>[White "AvernoX"]
>[Black "Arasan 7.2"]
>[Result "0-1"]
>[ECO "C33"]
>[WhiteElo "2301"]
>[BlackElo "2447"]
>[TimeControl "1800+30"]
>
>1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Nf6 5. Nf3 Qh5 6. Nc3 c6 7. d3
>d5 8. exd5 cxd5 9. Qe1+ Be7 10. Bb5+ Kf8 11. Bxf4 Bg4 12. Qg3 Bxf3
>13. Qxf3 Qxf3+ 14. gxf3 d4 15. Ne2 a6 16. Ba4 b5 17. Bb3 Nc6 18. a4
>b4 19. Bc4 Bc5 20. Re1 Ne7 21. Rg1 h6 22. Kf2 Nf5 23. Nc1 Be7 24. Nb3
>Nh5 25. Rxe7 Kxe7 26. Re1+ Ne3 27. Bxe3 dxe3+ 28. Rxe3+ Kf6 29. Nc5
>a5 30. Nd7+ Kg6 31. Ne5+ Kh7 32. Bxf7 Nf4 33. d4 Rhc8 34. c4 bxc3
>35. bxc3 Rab8 36. Kg3 g5 37. Kg4 Kg7 38. h4 Ng2 39. Re4 Nxh4 40. c4
>Rb1 41. Bh5 Rg1+ 42. Kh3 Rh1+ 43. Kg4 Rg1+ 44. Kh3 Rh1+ 45. Kg4 Rc7
>46. Be8 Re7 47. Bb5 h5+ 48. Kxh5 Nxf3+ 49. Kg4 Nxd4 50. Rxd4 Rxe5
>51. Rd7+ Kf6 52. Rd6+ Kf7 53. Ra6 Rh4+ 54. Kg3 Re3+ 55. Kg2 g4
>56. Bc6 g3 57. Bf3 Rf4 58. Bd5+ Ke7 59. Kh3 Rf2 60. Bg2 Ree2 61. Bd5
>g2 62. Rg6 Ra2 63. Bxg2 Rxa4 64. Kg3 Rd2 65. Rg4 Rb4 66. Rg7+ Kf6
>67. Rg4 a4 68. Rf4+ Ke5 69. Re4+ Kd6 70. c5+ Kxc5 71. Re5+ Kd6
>72. Ra5 Rb3+ 73. Kh4 Rxg2 74. Ra8 a3 75. Rd8+ Kc7 76. Rf8 a2 77. Rf7+
>Kb8 78. Rf8+ Kb7 79. Rf1 Rb1 80. Rf7+ Ka8 81. Rf8+ Rb8 82. Rxb8+ Kxb8
>83. Kh3 Rg8 84. Kh4 a1=Q 85. Kh3 Qh1# 0-1 {AvernoX checkmated}
>
>At move 25, Averno played Rxe7 in the following position:
>
>r4k1r/4bpp1/p6p/5n1n/PpBp1B2/1N1P1P2/1PP2K1P/4R1R1 w - -
>
>This looks good. White in fact was only temporarily down material, as it won two
>pawns in addition to the Bishop. Arasan's score went negative for a while.
>However, with the reduced material, White didn't have enough attack and Black,
>with the two Rooks, was able to prevail. It is not clear to me where White went
>wrong, but at move 37, Black expected h4 instead of Kg4, and after 37.. Kg7 had
>a positive score (+0.67).
In each instance below, the move marked 'bm' is the move actually played. It
may or may not be the best move.
I thought this was a particularly subtle and interesting move by black:
[d]rnb1k2r/pp2bppp/5n2/1B1p3q/5p2/2NP1N2/PPP3PP/R1B1QK1R b kq - acd 15; acn
274748350; acs 602; bm Kf8; ce -95; pv Kf8 Bxf4 a6 Ba4 Nc6 Ne2 b5 Bb3 Bf5 a4 b4
Bg5 Bg4 Nf4;
How many would play Nc6 (human and computers alike) in the above position?
Crafty likes Re4, even after a good long think:
[D]r4k1r/4bpp1/p6p/5n1n/PpBp1B2/1N1P1P2/1PP2K1P/4R1R1 w - - acd 16; acn
256185078; acs 602; bm Rxe7; ce -15; pv Re4 Nxf4 Rxf4 g6 Re4 Rc8 f4 Bf6 Re2 Rc6
Bd5 Rd6 Be4 Ne3 c3 bxc3 bxc3 Bh4+ Kf3;
I will try some other engines on this one. The after position:
[D]r4k1r/4Rpp1/p6p/5n1n/PpBp1B2/1N1P1P2/1PP2K1P/6R1 b - - bm Kxe7;
might be interesting also.
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