Author: John Merlino
Date: 11:15:25 11/26/02
Go up one level in this thread
On November 25, 2002 at 23:45:10, Aaron Gordon wrote:
>Deep Fritz 7 played Nc2 in a 3 0 blitz game which made it lose very quickly.
>Seems kinda odd that Deep Fritz 7 would stick to such a bad move for so long..
>
>[D]2r1kb1r/6p1/pBq1ppPp/8/1nBQPP2/1pP5/1P5P/2KR2R1 b k - 0 25
>
>[Event "ICS unrated blitz match"]
>[Site "freechess.org"]
>[Date "2002.11.25"]
>[Round "-"]
>[White "Angledust"]
>[Black "LittleGoliath"]
>[Result "1-0"]
>[WhiteElo "2555"]
>[BlackElo "2739"]
>[TimeControl "180"]
>
>1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Qf3 Qb6 8.
>a3 Nc6 9. Nb3 Qc7 10. g4 b5 11. g5 Nd7 12. Be3 Bb7 13. O-O-O Nc5 14. Nxc5
>dxc5 15. Qf2 b4 16. axb4 cxb4 17. Bb6 Qc8 18. Na4 b3 19. Nc5 Nb4 20. Nxb7
>Qxb7 21. c3 Qc6 22. Qd4 Rc8 23. Rg1 h6 24. g6 f6 25. Bc4 Nc2 26. Qd8+ Rxd8
>27. Rxd8+ Ke7 28. Rgd1 Nd4 29. R1xd4 f5 30. e5 Qh1+ 31. Kd2 Qg2+ 32. Be2
>Qd5 33. R4xd5 exd5 34. Bxa6 d4 35. Rxd4 Ke6 36. Bd8 Bc5 37. Bc8#
>{LittleGoliath checkmated} 1-0
>
>
>Analysis by Deep Fritz 7:
>
>25...Nc2!
> = (0.00) Depth: 6/24 00:00:00 223kN
>25...Nc2 26.Qd3 Nb4
> = (0.00) Depth: 7/23 00:00:00 288kN
>25...Nc2 26.Qd3 Nb4 27.Qd4
> = (0.00) Depth: 8/23 00:00:00 368kN
>25...Nc2 26.Qd3 Nb4 27.Qd4
> = (0.00) Depth: 9/29 00:00:00 692kN
>25...Nc2 26.Qd2 Be7 27.Bxb3 Na1 28.Ba2
> = (0.03) Depth: 10/28 00:00:01 1687kN
>25...Nc2 26.Qd2 Be7 27.Bxb3 Na1 28.Ba2 Rb8 29.Kb1 Rxb6 30.Kxa1 Qa4 31.Qd4 Qb5
> = (0.03) Depth: 11/28 00:00:03 3416kN
>25...Nc2--
> ² (0.31) Depth: 12/33 00:00:07 7068kN
>25...Nc2-- 26.Qd8+ Rxd8
> ² (0.31) Depth: 12/33 00:00:08 7450kN
>25...Nc2--
> ² (0.59) Depth: 13/28 00:00:14 13472kN
>25...Nc2-- 26.Qd8+ Rxd8
> ² (0.59) Depth: 13/36 00:00:17 16178kN
>25...Nc2--
> ± (0.87) Depth: 14/31 00:00:34 31466kN
>25...Nc2-- 26.Qd8+ Rxd8 27.Rxd8+ Ke7 28.Rgd1 f5 29.e5 Nd4 30.R1xd4 Qh1+ 31.Rd1
>Qxd1+ 32.Kxd1 h5
> +- (6.25) Depth: 14/42 00:00:38 35047kN
>25...a5!
> +- (6.22) Depth: 14/42 00:00:55 50569kN
>25...a5!
> +- (6.06) Depth: 14/42 00:00:56 51889kN
>25...a5!
> +- (5.75) Depth: 14/42 00:00:59 54770kN
>25...a5!
> +- (5.12) Depth: 14/42 00:01:06 61294kN
Chessmaster 9000, on a P3-733, never considers Nc2, and wants Qa4 until 1:15,
when it switches to Be7:
Time Depth Score Positions Moves
0:00 1/4 2.82 10895 25...f5 26.exf5 Nd5 27.Bxa6 Ra8
0:00 1/4 2.35 11655 25...Nd5 26.Bxd5 exd5 27.exd5
0:00 1/4 2.10 24429 25...Be7 26.Bxb3 Rb8 27.Ba7 Nd3+
28.Qxd3 Rxb3
0:00 1/4 2.09 31973 25...Qa4 26.Rg2 Nc2 27.Qd3 Ne1
0:00 1/5 1.55 46388 25...Qa4 26.Bxb3 Qa1+ 27.Kd2 Qxb2+
28.Ke1 Qxc3+ 29.Qxc3 Rxc3 30.Bxe6
0:01 1/6 1.33 89171 25...Qa4 26.Bxb3 Qa1+ 27.Kd2 Qxb2+
28.Ke1 Qxc3+ 29.Qxc3 Rxc3 30.Bxe6
Be7
0:03 1/7 1.32 237833 25...Qa4 26.Rg2 Be7 27.Bxb3 Qa1+
28.Kd2 Qxb2+ 29.Ke1 Qxc3+ 30.Qxc3
Rxc3 31.Bxe6
0:07 1/8 0.91 628772 25...Qa4 26.Bxb3 Qa1+ 27.Kd2 Qxb2+
28.Ke1 Qxc3+ 29.Qxc3 Rxc3 30.Bxe6
Nd3+ 31.Kd2 Bb4 32.Bf7+ Ke7 33.Ke3
0:18 1/9 1.02 1602425 25...Qa4 26.Bxb3 Qa1+ 27.Kd2 Qxb2+
28.Ke1 Qxc3+ 29.Kf2 Qxd4+ 30.Rxd4
Be7 31.Bxe6 Rc2+ 32.Kf3 Rxh2 33.Rd7
0:42 1/10 1.78 4005976 25...Qa4 26.Bxb3 Qa1+ 27.Kd2 Qxb2+
28.Ke1 Qxc3+ 29.Qxc3 Rxc3 30.Rg3
Rc6 31.Ba4 Be7 32.Bxc6+ Nxc6 33.Rc3
1:15 1/10 1.61 7106013 25...Be7 26.Bxb3 Rb8 27.Ba7 Nd3+
28.Qxd3 Rxb3 29.Bf2 Rb4 30.Rge1 O-O
2:00 2/11 1.59 11555839 25...Be7 26.Bxb3 Rb8 27.Ba7 Nd3+
28.Rxd3 Rxb3 29.Rgd1 Rb7 30.Bc5
O-O 31.Bxe7 Rxe7 32.Qd6
4:25 3/12 1.69 25205744 25...Be7 26.Bxb3 Rb8 27.Ba7 Nd3+
28.Rxd3 Rxb3 29.Bc5 Rb7 30.Bxe7
Kxe7 31.e5 f5 32.Qd6+ Qxd6 33.exd6+
Kd7
jm
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