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Subject: Re: Hard test position

Author: John Merlino

Date: 12:01:12 09/14/04

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On September 14, 2004 at 12:02:08, Mihaly Szalai wrote:

>[Event "?"]
>[Site "Moscow"]
>[Date "1986.??.??"]
>[Round "?"]
>[White "Tseshkovsky, Vitaly"]
>[Black "Vladimirov, Evgeny"]
>[Result "0-1"]
>[ECO "C42"]
>[PlyCount "60"]
>[EventDate "1986.??.??"]
>
>1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 Nxe4 5. d3 Nf6 6. d4 d5 7. Ne3 c5 8. Bb5+
>Nc6 9. O-O Be6 10. b3 Be7 11. Ba3 cxd4 12. Bxc6+ bxc6 13. Bxe7 Qxe7 14. Qxd4
>O-O 15. Nd2 a5 16. Rfe1 Qa7 17. Qh4 h6 18. c3 Rfd8 19. Nf3 c5 20. Red1 a4 21.
>b4 d4 22. cxd4 cxb4 23. d5 Nxd5 24. Nxd5 Bxd5 25. Qxb4 Bxa2 26. Rxd8+ Rxd8 27.
>Rxa2 Rd1+ 28. Ne1 Qb7 29. Qa5 Qd5 30. Qc3 Qxa2 0-1
>
>[D]r2r2k1/q4pp1/7p/3b4/pQ6/5N2/P4PPP/R2R2K1 b - - 0 25
>
>25...Bxa2!! 26. Rxd8+ Rxd8 27. Rxa2 Rd1+ 28. Ne1 Qb7!
>
>(What makes a grandmaster...)

Here's CM9_SKR on an AMD 2500:

Time	Depth	Score	Positions	Moves
0:00	1/3	-0.54	1638		25...Bxf3 26.gxf3 Qa6 27.Rxd8+
					Rxd8 28.Re1
0:00	1/4	-0.55	5227		25...Bxf3 26.gxf3 Qa6 27.Qe4 Rac8
					28.Rac1 Rxc1 29.Rxc1
0:00	1/4	-0.56	8916		25...Qa6 26.Nd4 Qc4 27.Qxc4 Bxc4
0:00	1/4	-0.76	11119		25...Rac8 26.Rac1 Rxc1 27.Rxc1 Bxa2
0:00	1/5	-0.53	20262		25...Rac8 26.Qa3 Rc2 27.Nd4 Rxa2
					28.Rxa2 Bxa2
0:00	1/5	-0.73	42215		25...Bxf3 26.gxf3 Qa6 27.Rxd8+
					Rxd8 28.Re1 Qg6+ 29.Qg4 Qc2
0:01	1/6	-0.70	62705		25...Bxf3 26.gxf3 Qa6 27.Rxd8+
					Rxd8 28.Re1 Qg6+ 29.Kh1 Qf6 30.f4
0:03	1/7	-0.79	160618		25...Bxf3 26.gxf3 Qa6 27.Rxd8+
					Rxd8 28.Re1 Qg6+ 29.Kh1 Qc2 30.Qe7
					Rd2 31.Qe8+ Kh7
0:04	1/8	-0.79	307368		25...Bxf3 26.gxf3 Qa6 27.Rxd8+
					Rxd8 28.Re1 Qg6+ 29.Kh1 Qc2 30.Qe7
					Rd2 31.Qe8+ Kh7
0:06	1/9	-0.85	824564		25...Bxf3 26.gxf3 Qa6 27.Rxd8+
					Rxd8 28.Re1 Qg6+ 29.Kh1 Qd3 30.Qxa4
					Qxf3+ 31.Kg1 Rd2 32.Qe8+ Kh7 33.Qe3
					Qxe3 34.Rxe3 Rxa2
0:13	1/10	-0.84	2571967		25...Bxf3 26.gxf3 Qa6 27.Qe4 Re8
					28.Qf5 Rad8 29.Rxd8 Rxd8 30.Re1
					Qd6 31.Qe4
0:32	1/11	-0.77	7728681		25...Bxf3 26.gxf3 Qa6 27.Kg2 Rdb8
					28.Qd4 a3 29.Rd2 Rb2 30.Rad1 Qb5
					31.Qc3 Qg5+ 32.Kh1
1:04	1/12	-0.80	16647429	25...Bxf3 26.gxf3 Qa6 27.Kg2 Rdb8
					28.Qd4 a3 29.Rd2 Qg6+ 30.Kh1 Rb1+
					31.Rd1 Rxa1 32.Qxa1 Re8 33.Rd7
2:27	2/13	-0.80	39559083	25...Bxf3 26.gxf3 Qa6 27.Kg2 Qg6+
					28.Qg4 Qc2 29.Qe4 Qb2 30.Rac1 Qxa2
					31.Ra1 Qb3 32.Rxd8+ Rxd8 33.Rxa4
					Qd1 34.Ra7
11:33	2/13	-1.56	187641489	25...Bxa2 26.Nd4 Bb3 27.Nc6 Rxd1+
					28.Rxd1 Qc7 29.Ne7+ Kh8 30.Re1
					a3 31.Nf5 a2 32.Qd4 f6 33.f4 Bd5
21:15	3/14	-1.63	351693686	25...Bxa2 26.Nd4 Bb3 27.Rd2 Qc7
					28.Rf1 Qf4 29.Re1 Rab8 30.Qc3 Rbc8
					31.Qd3 Bc4 32.Qc3 a3
46:49	4/15	-1.57	803871458	25...Bxa2 26.Re1 Bd5 27.Qa3 Bxf3
					28.Qxf3 a3 29.g3 a2 30.Re2 Re8
					31.Rexa2 Qxa2 32.Rxa2 Rxa2 33.Kf1
					Rd2 34.h3

jm



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