Author: Andrew Williams
Date: 11:00:39 03/17/02
Go up one level in this thread
On March 17, 2002 at 11:46:14, Jon Dart wrote:
>A very tactical recent game of Arasan's:
>
>[Event "?"]
>[Site "chessclub.com"]
>[Date "2002.03.16"]
>[Round "?"]
>[White "Arasan 6.0"]
>[Black "ChesterX"]
>[Result "0-1"]
>[ECO "C12"]
>[WhiteElo "2550"]
>[BlackElo "2819"]
>[TimeControl "300+8"]
>
>1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3
>Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 c5 11. Nf3 Qa5 12. Qf4 Nc6
>13. dxc5 Bd7 14. Qf6 Rg8 15. Rhb1 Qxc5 16. Rxb7 Qxf2+ 17. Be2 Qxg2
>18. Rg1 Qf2 19. Rf1 Qg2 20. h4 Nd8 21. Rc7 Rc8 22. Rxa7 g5 23. Nd4
>gxh4 24. Nb5 Rc6 25. Nd6+ Rxd6 26. exd6 Qg5+ 27. Kd1 Rg7 28. Qf2 e5
>29. Qc5 f5 30. c4 h3 31. cxd5 f4 32. c4 h2 33. Qf2 Qg6 34. Kd2 Qxd6
>35. a3 Qb8 36. Bh5+ Nf7 37. Kc2 Kd8 38. Qh4+ Kc8 39. Qf2 Bf5+ 40. Kc1
>Qb1+ 41. Kd2 Qc2+ 42. Ke1 Qc1+ 43. Ke2 Qxc4+ 44. Ke1 Qxf1+ 45. Qxf1
> 0-1 {ArasanX resigns}
>
>Arasan apparently missed a win several times. One is at move 20:
>
>[D] r3k1r1/pR1b1p2/2n1pQpp/3pP3/8/2P2N2/P1PKB1qP/5R2 w q -
>
>Here Rxd7! is better than h4. Crafty finds this in under a minute,
>Pharaon in about 2 1/2 minutes. Arasan 5.4 takes over 4 minutes
>(Athlon 1.4 GHz).
>
>Arasan 6.0 (latest build) can't find it in 10 minutes - maybe
>some bug, I'm not sure.
>
>--Jon
PostModernist takes 470 seconds to find this on my Athlon 1200.
1> -45 0 2 1.a3
1b -43 0 15 1.Nh4
1b -5 0 36 1.Nd4
1= 10 0 139 1.Nd4
2> 10 0 150 1.Nd4
2= 10 0 203 1.Nd4
3> 10 0 280 1.Nd4
3= 24 0 628 1.Nd4 Nd8
4> 1 0 1757 1.Nd4 Nd8 2.Rf2
4= 10 0 1997 1.Nd4 Nd8 2.Rf2
5> -105 0 9339 1.Rfb1 Qf2 2.h4
5= -76 0 11467 1.Rfb1 Qf2 2.a3 Qc5
6> -76 0 12476 1.Rfb1 Qf2 2.h3 Qc5 3.Bd3
6b -44 0 19017 1.Nd4 Nd8 2.Nb5 Nxb7 3.Qxf7
6= -3 0 35583 1.Nd4 Nd8 2.Nb5 Qg5 3.Qxg5 hxg5 4.Rxa7
7> -3 0 38892 1.Nd4 Nd8 2.Nb5 Qg5 3.Qxg5 hxg5 4.Rxa7
7= -3 0 95592 1.Nd4 Nd8 2.Nb5 Qg5 3.Qxg5 hxg5 4.Rxa7
8> -23 2 300131 1.Nd4 Nd8 2.Nb5 Qg5 3.Qxg5 hxg5 4.Rxa7 Rb8
8= -11 2 301856 1.Nd4 Nd8 2.Nb5 Qg5 3.Qxg5 hxg5 4.Rxa7 Rb8
9> -11 2 319240 1.Nd4 Nd8 2.Nb5 Qg5 3.Qxg5 hxg5 4.Nd6 Ke7 5.Bb5
9= 18 4 669560 1.Nd4 Qg5 2.Qxg5 hxg5 3.Nxc6 Bxc6 4.Rbxf7 Kd8
5.c4 d4
10> 18 5 711264 1.Nd4 Qg5 2.Qxg5 hxg5 3.Nxc6 Bxc6 4.Rbxf7 Kd8
5.c4 d4
10= 31 15 2158545 1.Nd4 Qg5 2.Qxg5 hxg5 3.Nxc6 Bxc6 4.Rbxf7 Kd8
5.c4 Be8 6.Rb7
11> 31 16 2246693 1.Nd4 Qg5 2.Qxg5 hxg5 3.Nxc6 Bxc6 4.Rbxf7 Kd8
5.c4 Be8 6.R7f6
11= 88 36 5650785 1.Nd4 Qg5 2.Qxg5 hxg5 3.Rxd7 Kxd7 4.Bb5 Rab8
5.Bxc6 Ke7
12> 88 38 5887022 1.Nd4 Qg5 2.Qxg5 hxg5 3.Rxd7 Kxd7 4.Bb5 Rab8
5.Bxc6 Ke7 6.Kd3 g4 7.c4
12= 90 85 12559124 1.Nd4 Qg5 2.Qxg5 hxg5 3.Rxd7 Kxd7 4.Bb5 Rab8
5.Bxc6 Ke7 6.Kd3 Rh8 7.Rf2
13> 90 470 61124636 1.Rxd7 Kxd7 2.Qxf7 Ne7 3.Nd4 Qg5 4.Kd1 Qxe5
5.Bb5 Kd6 6.Rf6
13= 268 872 126665785 1.Rxd7 Kxd7 2.Qxf7 Ne7 3.Nd4 Qg5 4.Kd1 Qxe5
5.Bb5 Kd6 6.Rf6 Qh5 7.Be2 Qxh2 8.Rxe6
14> 268 885 128478071 1.Rxd7 Kxd7 2.Qxf7 Ne7 3.Nd4 Qg5 4.Kd1 Qxe5
5.Bb5 Kd6 6.Rf6 Qh5 7.Be2 Qxh2 8.Rxe6
NODES per second 144900
Andrew
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