Author: Eduard Nemeth
Date: 03:38:34 09/14/02
Go up one level in this thread
On September 14, 2002 at 04:06:05, Uri Blass wrote:
>Here is some analysis after 22...Qxa2 23.Rd7
>
>You can see that old Deep Fritz still see a clear advantage for black(1.09
>pawns)
>Qb3 is not forced and it may be interesting to have better analysis by better
>hardware(I used P850 128 mbytes hash tables)
>
>When I clicked next best Deep Fritz told me 23...b5 -1.03/14
>
>G.Kasparov - Genius3
>[D]r4rk1/1p1R2bp/p1p3p1/8/6Q1/4BP1P/qP3P2/5RK1 b - - 0 1
>
>Analysis by Deep Fritz:
>
>23...Qxb2!
> -+ (-1.69) Depth: 1/4 00:00:00
>23...Qxb2!
> -+ (-2.69) Depth: 1/4 00:00:00
>23...Qxb2--
> -+ (-2.38) Depth: 2/6 00:00:00
>23...Qxb2-- 24.Rfd1
> -+ (-2.28) Depth: 2/6 00:00:00
>23...Qxb2 24.Rfd1 Qe2
> -+ (-2.38) Depth: 3/11 00:00:00
>23...Qxb2 24.Rfd1 Qe2 25.Qe6+ Kh8
> -+ (-2.41) Depth: 4/12 00:00:00 2kN
>23...Qxb2 24.Rfd1 Rae8 25.Bc5 Rf7
> -+ (-2.28) Depth: 5/16 00:00:00 10kN
>23...Qxb2 24.Rfd1 Rae8 25.Bc5 Rf5 26.Bd4
> -+ (-2.31) Depth: 6/18 00:00:00 24kN
>23...Qxb2 24.Rfd1 Rae8 25.Bc5 Rf5 26.Bd4 Bxd4 27.R1xd4 Re1+ 28.Kg2
> -+ (-2.34) Depth: 7/18 00:00:00 109kN
>23...Qxb2 24.Qc4+ Kh8 25.Qh4 Rg8 26.Rfd1 Qe2 27.R1d2 Qe1+ 28.Kg2
> -+ (-2.22) Depth: 8/20 00:00:00 243kN
>23...Qxb2 24.Qc4+ Kh8 25.Qh4 Qf6 26.Qxf6 Bxf6 27.Rxb7 Be5 28.Rc1 Rxf3 29.Rxc6
> -+ (-2.06) Depth: 9/24 00:00:01 655kN
>23...Qxb2 24.Qc4+ Kh8 25.Qh4 Qf6 26.Qxf6 Bxf6 27.Rxb7 Be5 28.f4 Bxf4 29.Rfb1
> -+ (-1.91) Depth: 10/25 00:00:03 2038kN
>23...Qxb2 24.Qc4+ Kh8 25.Qh4 Qf6 26.Qxf6 Bxf6 27.Rxb7 Be5 28.Kg2 Rab8 29.Rfb1
> -+ (-1.81) Depth: 11/28 00:00:09 6045kN
>23...Qb3!
> -+ (-1.84) Depth: 11/28 00:00:15 10154kN
>23...Qb3! 24.Rfd1 Rae8 25.Bc5 Rf5 26.Rd8 Qe6 27.b3 Rxd8 28.Rxd8+ Kf7 29.b4
> -+ (-1.88) Depth: 11/31 00:00:18 11995kN
>23...Qb3 24.Rfd1 Rae8 25.Bc5 Rf5 26.Rd8 Qe6 27.b4 Be5 28.R8d7 Qb3 29.Kg2
> -+ (-1.88) Depth: 12/30 00:00:38 25999kN
>23...Qb3 24.Rfd1 Rae8 25.Bc5 Rf5 26.Rd8 Qe6 27.Qb4 Rg5+ 28.Kh2 Be5+ 29.f4
> -+ (-1.81) Depth: 13/33 00:01:32 62914kN
>23...Qb3 24.Rfd1 Rae8 25.Bc5 Rf5 26.Rd8 Qe6 27.Qb4 Rg5+ 28.Kh2 Be5+ 29.f4
> -+ (-1.81) Depth: 14/35 00:05:57 245638kN
>23...Qb3--
> -+ (-1.50) Depth: 15/37 00:12:09 503811kN
>23...Qb3--
> -+ (-1.50) Depth: 15/39 00:19:57 828708kN
>23...Qb3 24.Rfd1 Rae8 25.R1d6 Rf7 26.Rd3 Qe6 27.Qxe6 Rxe6 28.Rd8+
> -+ (-1.50) Depth: 16/39 00:54:30 2275419kN
>23...Qb3 24.Rfd1 Rae8 25.Kg2 Rf5 26.R1d6 Bf6 27.Bd4 Rg5
> µ (-1.25) Depth: 17/43 02:12:05 5421062kN
>23...Qb3 24.Rfd1 Rae8 25.Kg2 Rf5 26.R1d6 Bf6 27.Bd4 Rg5 28.Bxf6 Rxg4+
> µ (-1.09) Depth: 18/44 05:37:25 14023835kN
>
>(blass, tel-aviv 14.09.2002)
>
>Here is the first position when it was claimed in the winboard forum that
>Genius3 blundered
>
>[D]r4rk1/1p4bp/p1p3p1/3q4/6Q1/4BP1P/PP3P2/3R1RK1 b - - 0 22
>
>I am not sure if Qxf3 is better because after Qxf3 Rd7 Qxg4 hxg4 Rf7 Rfd1 it
>seems that white has rook on the 7th for the pawn and white may have enough
>compensation to draw.
>
>Uri
Hello URI!
Here the game with the comment from IM Hertneck:
[Event "3/95-39 WDR Köln"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Kasparov,G"]
[Black "Pentium Genius"]
[ECO "D15"]
[Result "1-0"]
1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 a6 5. c5 g6 6. Bf4 Bg7
7. h3 O-O 8. e3 Nbd7 9. Bd3 Ne8 (9... Re8 $6 10. Bh2 Nh5
11. g4 Nhf6 12. Rc1 {verhindert e5 (Kasparov-Kudrin, Tel
Aviv Simultan 1994)}) 10. Rc1 (10. O-O Nc7 11. Bg3 Re8
12. Bh4 Bf6 13. Bxf6 exf6 14. e4 Nf8 15. Re1 Be6 16. Qd2
Qd7 17. exd5 Bxd5 {van Wely-Paunovic, Hania 1993}) 10... f6
11. e4 e5 12. dxe5 Nxc5 13. exd5 fxe5 14. Be3 (14. Bxe5
Bxe5 15. Nxe5 Qg5 $19) 14... Nxd3+ 15. Qxd3 e4 16. Qxe4
(16. Nxe4 Bf5 17. d6 Qa5+ 18. Nfd2 Qxa2 {unklar}) 16... Nf6
17. Qc4 Nxd5 18. Nxd5 (18. O-O Bxh3 $5 19. Ng5 Bf5 20. Rfd1
Bxc3 21. Rxc3 h6 22. Nf3 Kh7 {unklar}) 18... Be6 19. O-O
Bxd5 20. Qg4 Bxf3 21. gxf3 Qd5 {_} 22. Rcd1 Qxa2 $2
(22... Qxf3) (22... Qxf3) 23. Rd7 Rf7 (23... Qb3 $5 24. Bd4
Bxd4 25. Qxd4 Rf7) (23... Qxb2 24. Qc4+ Kh8 25. Rxg7
(25. Qh4 g5) 25... Qxg7 26. Bd4 Rf6 27. Qc3 Raf8 28. Re1
Qf7) 24. Rfd1 Qb3 $2 (24... Qxb2 $4 25. Rxf7 Kxf7 26. Qc4+
{nebst Matt}) (24... Re8 {hält die Stellung. Genius spielt
diesen Zug nach 8,5 min} 25. Rxf7 Qxf7 26. Rd7 h5 $1
27. Rxf7 hxg4 28. Rxb7 gxf3 {und Weiß hat noch Probleme.})
25. R1d3 Qxb2 {_} (25... Qa2 26. b3 Rxd7 27. Qxd7 Rf8
28. Qe6+ Kh8 29. Rd7 {und Weiß steht etwas besser})
26. Qc4 $3 (26. Rxf7 Qb1+ 27. Kg2 Qxd3 28. Rxb7 {Mit
Vorteil für Schwarz}) 26... Raf8 (26... Qf6 27. Rxb7 Raf8
28. Rdd7 Qxf3 29. Bc5 h6 {und Weiß braucht einen
Gewinnplan}) 27. Rxf7 Rxf7 28. Rd8+ Bf8 29. Bh6 Qa3 {_}
30. Qe6 $1 Qc5 31. h4 Qb4 32. f4 Qb1+ 33. Kh2 Qb4
34. Kg2 $1 (34. f5 $4 Qxh4+) 34... Qa3 35. h5 gxh5 36. f5
Qb4 37. Rxf8+ Qxf8 38. Bxf8 Kxf8 39. f6 Rxf6 (39... Kg8
40. Kg3 c5 41. Kh4 c4 42. Kxh5 c3 43. Qg4+ Kh8 44. Qc8+ Rf8
45. Qxf8#) 1-0
The losing move was 24...Qxb2?
After 24...Re8! =+ black have a draw...
Comment: 24... Re8 hält die Stellung. Genius spielt
diesen Zug nach 8,5 min.
Comment english , free: "On a P90, Genius 3 needs 8,5 Minutes to find 24...Re8!
to play it!"
[D]r5k1/1p1R1rbp/p1p3p1/8/6Q1/4BP1P/qP3P2/3R2K1 b - -
Now Re8 with draw!
Regards,
Eduard
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