Author: Roy Eassa
Date: 11:45:20 03/15/02
Go up one level in this thread
On March 14, 2002 at 00:45:13, K. Burcham wrote:
>
>
>How long does it take your program to show a positive eval for black from this
>position? black to move.
>looking for this line: 16...0-0 17.Ke1 Qh4+ 18.g3 Qf6 19.Bf4 Bf5
>or 19...g5 or 19...d3
>eval should go positive sometime after finding 19.Bf4
>this position is six moves into the Nolot 6 test.
> [D] 1Qbqk2r/1p3ppp/8/1p1Pp3/1PPpP1n1/P7/4K1PP/R1B2B1R b kq - 10 1
>
>
>here is the complete game of the Nolot 6 test.
>The Nolot 6 test starts with 13...axb5. but for now will you start with the
>above position? please post your program with your results. i will make a note
>of all results, and then i will repost later backing up one black move.
>
>[Date "1988"]
>[White "Malaniuk, V"]
>[Black "Ivanchuk, V"]
>[Result "0-1"]
>[ECO "E20"]
>
>1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3
>Be7 6. e4 dxe4 7. fxe4 e5 8. d5 Ng4 9. Nf3
>Bc5 10. b4 Bf2+ 11. Ke2 c5 12. Nb5 a6 13. Qa4
>axb5 14. Qxa8 Bd4 15. Nxd4 cxd4 16. Qxb8 O-O 17. Ke1
>Qh4+ 18. g3 Qf6 19. Bf4 g5 20. c5 exf4 21. Qd6
>Qg7 22. Bd3 Ne5 23. Kd2 f3 24. Qe7 g4 25. Bxb5
>Ng6 26. Qg5 h6 27. Qh5 d3 28. Bxd3 Re8 29. h3
>Re5 30. hxg4 Rxh5 31. gxh5 Ne5 32. Rae1 Qg5+ 33. Kc2
>f2 34. Rd1 Qe3 0-1
>
>kburcham
Some analysis using Fritz 7:
(With 1...O-O!, Black wins in every variation, but in at least one line White
can survive to a worse endgame.)
1...0-0! 2.Ke1
[2.c5 Qh4 3.g3 Qf6 4.Bf4 d3+ 5.Kxd3 Nf2+ 6.Kc2 exf4 7.Re1 fxg3
8.Rg1 Nxe4 9.Rxe4 Qf2+ 10.Be2 gxh2 11.Rf1 h1Q 12.Rxf2 Qxe4+
13.Bd3 Qxd5 -+]
[2.Qa7 Qh4 3.c5 Nf6 4.Kd1 Bg4+ 5.Be2
(5.Kc2 Qf2+ 6.Bd2 Nxe4 7.Bxb5 Nxd2 8.Bd3 e4 -+)
5...Bxe2+ 6.Kxe2 Qxe4+ -+]
[2.Kd2 Qf6 3.Kc2 Nf2 4.Bd2 Nxh1 5.c5 Nf2 6.Qd6 Qxd6 7.cxd6 Nxe4
8.Re1 Bf5 9.Bd3 Rc8+ 10.Kb2 Nxd2 11.Bxf5 Nc4+ -+]
2...Qh4+ 3.g3 Qf6 4.Bf4
[4.Ra2 Qf3 5.Bg2 Qb3 6.Rd2 Qe3+ 7.Kf1 Qc3 8.Ke2 Nxh2 -+]
4...d3 5.Rc1
[5.Rb1 Bf5 6.Qc7 Bxe4 7.Kd2 Bxh1 -+]
[5.Ra2 Bf5 6.Qc7 Bxe4 7.Bc1 Qf3 8.Bg2 d2+ 9.Rxd2 Qe3+ 10.Kd1 Bxg2
11.Rxg2 Qf3+ 12.Re2 Qxh1+ -+]
[5.Rd1 Bf5 6.Qc7 Bxe4 7.Bh3 exf4 followed by ...Qc3+ wins]
5...Bf5 6.Qa7 Bxe4 7.Be3 Bxh1 8.Bxd3 e4 9.Be2 Bf3 10.Qd4 Qf5 11.h3 Bxe2 12.Kxe2
Qf3+ 13.Kd2 Qg2+ 14.Kc3 Nxe3 15.Qxe3 bxc4 -+
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