Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Testposition IVANCHUCK - KASPAROV (World vs. Russia)

Author: Eduard Nemeth

Date: 14:58:27 09/09/02

Go up one level in this thread


On September 09, 2002 at 17:09:10, John Merlino wrote:

>On September 09, 2002 at 16:45:57, Eduard Nemeth wrote:
>
>>First the game:
>>
>>[White "Ivanchuk,V"]
>>[Black "Kasparov,G"]
>>[Result "1-0"]
>>[WhiteElo "2711"]
>>[BlackElo "2838"]
>>[EventDate "2002.09.08"]
>>[ECO "B90"]
>>
>>1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 g6 7. g4 Bg7 8.
>>Be3 Nc6 9. f3 e5 10. Nxc6 bxc6 11. Qd2 Be6 12. O-O-O Bf8 13. Na4 h5 14. h3
>>Nd7 15. Qc3 hxg4 16. hxg4 d5 17. Qxc6 d4 18. Bd2 Rc8 19. Qb7 Rb8 20. Qxa6
>>Ra8 21. Qb5 Bxa2 22. Bc4 Bxc4 23. Qxc4 Qf6 24. g5 Qd6 25. Kb1 Rh3 26. Rgf1
>>Be7 27. b3 Qa3 28. Bc1 Qb4 29. Qxb4 Bxb4 30. f4 Rh4 31. Rh1 Rxh1 32. Rxh1
>>Ke7 33. f5 Ra6 34. Rh7 Nc5 35. Bd2 Rxa4 36. fxg6 Bxd2 37. Rxf7+ Ke6 38.
>>Rf6+ Ke7 39. bxa4 Nxe4 40. Rf5 {this last move may not be correct} 1-0
>>
>>Ivanchuk,V - Kasparov,G
>>
>>[D]8/4kp1R/r5p1/2n1pPP1/Nb1pP3/1P6/2P5/1KB5 w - - 0 1
>>
>>Ivanchuk played strong now Bd2! and win after  Rxa4 fxg6!!
>>
>>Fritz 7 see this nice move not. Which program play this move?
>>
>>Ivanchuk,V - Kasparov,G
>>8/4kp1R/r5p1/2n1pPP1/Nb1pP3/1P6/2P5/1KB5 w - - 0 1
>>
>>Analysis by Fritz 7.oo8:
>>
>>35.Sxc5 Lxc5 36.Ld2 gxf5 37.exf5 Kf8 38.c3 d3 39.b4 Lf2 40.Th6 Tb6 41.Txb6 Lxb6
>>42.c4
>>± (1.13) Tiefe: 14/32 00:00:34 11015kN
>>35.Sxc5 Lxc5 36.Ld2 gxf5 37.exf5 Kf8 38.c3 Tc6 39.Th4 Lb6 40.c4 Lc5 41.Te4 Tb6
>>± (1.19) Tiefe: 15/33 00:01:32 29456kN
>>35.Sxc5 Lxc5 36.Ld2 gxf5 37.exf5 Kf8 38.Th4 Ke7 39.c3 d3 40.Tg4 Ta8 41.Tg3 Td8
>>42.g6
>>± (1.28) Tiefe: 16/34 00:03:29 65014kN
>>
>>(Nemeth, Stuttgart 09.09.2002)
>>
>>
>>Judit Polgar won against Kasparov too!!
>
>Analysis with Chessmaster 9000 shows that 35...Rxa4 was the losing move. If,
>after 35.Bd2, Kasparov had played 35...Bxd2 36.Nxc5, Black hasn't lost any
>ground:
>
>Time	Depth	Score	Positions	Moves
>0:00	1/3	1.30	934		2...Rc6 3.f6+ Kd8 4.Rh8+ Kc7
>0:00	1/3	1.01	1226		2...Rb6 3.f6+ Kd6 4.Nd3
>0:00	1/4	1.12	2054		2...Rb6 3.f6+ Kd6 4.Nd3 Rb7
>0:00	1/5	0.34	9457		2...Rb6 3.Nd3 gxf5 4.Nxe5 fxe4
>					5.Rxf7+ Ke6
>0:00	1/6	0.85	21804		2...Rb6 3.Nd3 gxf5 4.exf5 e4 5.g6
>					exd3 6.Rxf7+ Kd6 7.cxd3 Rxb3+ 8.Kc2
>0:01	1/7	0.89	65138		2...Rb6 3.Nd3 Bf4 4.Kb2 gxf5 5.exf5
>					Rb5 6.f6+ Ke6
>0:02	2/8	1.27	109952		2...Rb6 3.Nd3 Bc3 4.f6+ Ke6 5.Rh8
>					Kd6 6.Rf8 Ra6 7.Rd8+ Kc7
>0:05	3/9	1.25	319119		2...Rb6 3.Nd3 Bf4 4.Kb2 gxf5 5.exf5
>					Kf8 6.Rh8+ Ke7 7.Rh6 Rb5
>0:08	4/10	1.27	618268		2...Rb6 3.Nd3 Bf4 4.Kb2 gxf5 5.exf5
>					Kf8 6.Kb1 Kg8 7.Rh6 Rxh6 8.gxh6
>0:23	5/11	1.12	1864530		2...Rb6 3.Nd3 gxf5 4.exf5 e4 5.Nc5
>					e3 6.g6 Kd6 7.gxf7 Rb8 8.Ne4+ Ke5
>					9.Nxd2 exd2
>1:04	6/12	1.01	5379908		2...Rb6 3.Nd3 gxf5 4.exf5 Bxg5
>					5.Nxe5 Rf6 6.Rh5 Bd2 7.Nd3 Bc3
>					8.Kc1 Ra6
>2:36	7/13	0.97	13385328	2...Rb6 3.Nd3 gxf5 4.exf5 Bxg5
>					5.Nxe5 Rf6 6.Rh5 Rxf5 7.Nc6+ Kf6
>					8.Nxd4 Rf1+ 9.Kb2 Be3 10.Nc6 Rf2
>
>After 35...Rxa4, it's over, as White has gained almost 1.5 in the evaluation:
>
>Time	Depth	Score	Positions	Moves
>0:00	1/3	0.03	565		2.bxa4 Bxd2 3.fxg6
>0:00	1/3	0.17	896		2.fxg6 Bxd2 3.Rxf7+ Ke6 4.bxa4 Nxe4
>0:00	1/4	0.17	1654		2.fxg6 Bxd2 3.Rxf7+ Ke6 4.bxa4 Nxe4
>0:00	1/5	0.17	4703		2.fxg6 Bxd2 3.Rxf7+ Ke6 4.bxa4 Nxe4
>0:00	1/6	0.25	18820		2.fxg6 Nxe4 3.bxa4 Nxd2+ 4.Kb2
>					Ne4 5.Rxf7+ Ke6
>0:00	1/6	1.58	19541		2.bxa4 Bxd2 3.fxg6 Kf8 4.Rxf7+
>					Ke8 5.Rf5
>0:00	1/7	1.79	28670		2.bxa4 Bxd2 3.fxg6 Kf8 4.Rxf7+
>					Kg8 5.Re7 Nxe4 6.Rxe5
>0:00	1/8	1.34	62583		2.bxa4 Bxd2 3.fxg6 Kf8 4.Rxf7+
>					Kg8 5.Re7 Nxe4 6.Re8+ Kg7 7.Rxe5
>					Nxg5
>0:01	2/9	0.91	124997		2.bxa4 Bxd2 3.fxg6 Kf8 4.Rxf7+
>					Kg8 5.Re7 Nxe4 6.Rxe5 Nc3+ 7.Ka1
>					Nxa4 8.Re8+ Kg7
>0:03	3/10	0.92	286398		2.bxa4 Bxd2 3.fxg6 Kf8 4.Rxf7+
>					Kg8 5.Re7 Nxe4 6.Ka2 Nc3+ 7.Kb3
>					e4 8.a5
>0:09	4/11	0.82	771288		2.bxa4 Bxd2 3.fxg6 Kf8 4.Rxf7+
>					Kg8 5.Re7 Nxa4 6.Ka1 Bf4 7.Ra7 Nc3
>0:18	4/11	1.85	1573759		2.fxg6 Bxd2 3.Rxf7+ Ke6 4.Rf6+
>					Ke7 5.bxa4 Nxe4 6.Rf5 Nc3+ 7.Ka1
>					d3 8.cxd3 Nxa4 9.Rxe5+ Kf8
>0:36	5/12	1.91	3166229		2.fxg6 Bxd2 3.Rxf7+ Ke6 4.Rf6+
>					Ke7 5.bxa4 Nxe4 6.Rf5 Nc3+ 7.Ka1
>					d3 8.cxd3 Nxa4 9.Rxe5+ Kf8 10.Re4
>1:51	6/13	2.39	9383676		2.fxg6 Bxd2 3.Rxf7+ Ke8 4.bxa4
>					Ne6 5.Rf5 Bf4 6.Rf6 Ke7 7.Rf7+
>					Ke8 8.Rb7 Kf8 9.Rb8+ Ke7
>
>jm


Thanks John!

Yes, Rxa4?? was a Blunder. Right is Bxd2!?

...but after:

1.Bd2 Bxd2 2.Sxc5 Tb6 3.Sd3 gxf5 4.Sxe5!? (±), I see white with a "litte chance"
to win!

After 1. Nxc5 Bxc5 (+=) is the game forced a draw.

Regards,
Eduard





This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.