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Subject: Re: test position

Author: John Merlino

Date: 20:14:30 10/24/02

Go up one level in this thread


On October 24, 2002 at 22:07:42, K. Burcham wrote:

>
>
>How long does it take your favorite program to find 18.Qf7+
>Deep Fritz7 finds this move in 3:52 with 2x1533 mhz amd.
>kburcham
>
> [D] rn2kb1N/pp1n2p1/2p5/6P1/3Pp3/1Q2P2P/PP6/R1B1KBq1 w Qq - 0 1
>
>Deep Fritz 7:
>
>18.Qe6+ Be7 19.Ng6 Qxg5 20.Qxe4 Nb6 21.Nxe7 Qxe7 22.Qxe7+ Kxe7 23.Bg2
>  +-  (1.88)   Depth: 8/23   00:00:00  420kN
>18.Qe6+ Be7 19.Ng6 Qxg5 20.Qxe4 Nb6 21.Nxe7 Qxe7 22.Qxe7+ Kxe7 23.e4 N8d7 24.Ke2
>  +-  (1.84)   Depth: 9/25   00:00:00  596kN
>18.Qe6+ Be7 19.Ng6 Qxg5 20.Qxe4 Nb6 21.Nxe7 Qxe7 22.Bd3 Qxe4 23.Bxe4 N8d7 24.Bf5
>  +-  (1.88)   Depth: 10/33   00:00:01  1449kN
>18.Qe6+ Be7 19.Ng6 Qxg5 20.Qxe4 Nb6 21.Nxe7 Qxe7 22.Qxe7+ Kxe7 23.e4
>  +-  (1.81)   Depth: 11/36   00:00:05  7121kN
>18.Bd2!
>  +-  (1.84)   Depth: 11/36   00:00:06  8462kN
>18.Bd2!
>  +-  (2.00)   Depth: 11/36   00:00:06  9441kN
>18.Bd2 Qg3+ 19.Kd1 Qf2 20.Kc2 Nb6 21.Qe6+ Kd8 22.Qxe4 Bb4 23.Nf7+ Kc7 24.Qg2
>  +-  (2.13)   Depth: 12/37   00:00:10  15528kN
>18.Bd2 Qg3+ 19.Kd1 Qf2 20.Kc2 Nb6 21.Qe6+ Kd8 22.Qxe4 Bb4 23.Nf7+ Kc7 24.Qg2
>  +-  (2.13)   Depth: 13/40   00:00:20  28896kN
>18.Bd2!
>  +-  (2.41)   Depth: 14/43   00:01:00  86463kN
>18.Bd2 Qg3+ 19.Kd1 Qf2 20.Kc2 Nb6 21.Ng6 N8d7 22.Qe6+ Kd8 23.Nxf8 Qxf8 24.Bg2
>Kc7 25.Bxe4 Re8 26.Qf5
>  +-  (2.28)   Depth: 15/50   00:02:31  220132kN
>18.Qf7+!
>  +-  (2.31)   Depth: 15/50   00:03:52  339560kN
>18.Qf7+!
>  +-  (2.47)   Depth: 15/50   00:04:14  369407kN
>18.Qf7+ Kd8 19.Qf4 Na6 20.Bd2 Nb4 21.0-0-0 Nd5 22.Qxe4 Kc7 23.Nf7 Qf2 24.g6 Be7
>25.Bc4
>  +-  (2.59)   Depth: 16/47   00:05:47  504888kN
>18.Qf7+ Kd8 19.Qf4 Na6 20.Bd2 Nb4 21.0-0-0 Nd5 22.Nf7+ Ke8 23.Qf5 Qg3 24.Qg6 Be7
>25.Nd6+ Kd8 26.Nxe4 Qf3 27.Bd3
>  +-  (2.63)   Depth: 17/54   00:10:18  898454kN
>18.Qf7+ Kd8 19.Qf4 Qh1 20.Nf7+ Ke8 21.g6 Be7 22.Bd2 Qf3 23.Qxf3 exf3 24.Kf2
>  +-  (2.78)   Depth: 18/54   00:31:43  2775979kN
>
>
>[Event "FIDE World Cup Gp B"]
>[Site "Hyderabad IND"]
>[Date "2002.10.11"]
>[Round "2"]
>[White "Radjabov,T"]
>[Black "Kobese,W"]
>[Result "1-0"]
>[WhiteElo "2628"]
>[BlackElo "2399"]
>[EventDate "2002.10.05"]
>[ECO "D10"]
>
>1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Bg4 5. Qb3 Qd7 6. h3 Bh5 7. g4 Bg6 8.
>Nf3 e6 9. Ne5 Qc7 10. cxd5 exd5 11. f4 Be4 12. Rg1 h6 13. g5 hxg5 14. fxg5
>Nfd7 15. Nxf7 Qh2 16. Nxe4 Qxg1 17. Nxh8 dxe4 18. Qf7+ Kd8 19. Qf4 Na6 20.
>Bd2 Nb4 21. O-O-O 1-0

Chessmaster 9000, on a P4-2.66, finds it in 24 seconds:

Time	Depth	Score	Positions	Moves
0:00	1/3	2.79	1460		1.Qxb7 Qg3+ 2.Kd1 Qf2 3.Be2
0:00	1/4	2.60	4605		1.Qxb7 Qg3+ 2.Kd1 Qf2 3.Be2 Nb6
0:00	1/5	2.17	21518		1.Qxb7 Bd6 2.Ke2 Bg3 3.Qc8+ Ke7
					4.Ng6+ Kf7
0:00	1/6	1.66	82294		1.Qxb7 Bd6 2.Qc8+ Ke7 3.Ng6+ Kf7
					4.Nf4 Bxf4 5.exf4 Qxd4 6.Be2
0:00	1/6	2.14	95883		1.Bd2 Qg3+ 2.Kd1 Qf2 3.Be2 Qg1+
					4.Be1 Qxg5 5.Qxb7
0:01	1/7	2.14	193235		1.Bd2 Qg3+ 2.Kd1 Qf2 3.Be2 Qg1+
					4.Be1 Qxg5 5.Qxb7
0:04	1/8	2.40	875020		1.Bd2 Qg3+ 2.Kd1 Qf3+ 3.Be2 Qh1+
					4.Be1 b5 5.Bg4 Kd8 6.Nf7+ Kc8 7.Rc1
0:08	1/9	2.51	1818957		1.Bd2 Qg3+ 2.Kd1 Qf3+ 3.Be2 Qh1+
					4.Be1 b5 5.Qe6+ Kd8 6.Nf7+ Kc7
					7.a3 a5 8.Rc1
0:14	1/10	2.19	3146347		1.Bd2 Qg3+ 2.Kd1 Qf3+ 3.Kc2 Nb6
					4.Qe6+ Kd8 5.Nf7+ Kc7 6.Ne5 Qf2
					7.Bc4 Bb4
0:24	1/10	2.22	5639993		1.Qf7+ Kd8 2.Qf4 Qh1 3.Bd2 a5 4.Nf7+
					Kc8 5.Qg3 c5 6.dxc5 Bxc5 7.Nd6+
					Bxd6 8.Qxd6
1:00	2/11	2.36	14670946	1.Qf7+ Kd8 2.Qf4 Na6 3.Bd2 Nb4
					4.O-O-O Qh1 5.Bc4 Qf3 6.Nf7+ Kc8
					7.Ne5 Qxf4 8.exf4
2:32	3/12	2.59	38125262	1.Qf7+ Kd8 2.Qf4 Be7 3.Bd2 Kc8
					4.h4 Qh1 5.Ng6 Bd8 6.O-O-O Qf3
					7.Bc4 Qxf4 8.Nxf4

jm



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