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Subject: Re: test position

Author: John Smith

Date: 22:52:56 10/24/02

Go up one level in this thread


On October 24, 2002 at 23:06:53, Robert Hyatt wrote:

>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
>
>
>Crafty finds this basically instantly and sticks with it:
>                8     0.44   2.38   1. Qxb7 Qg3+ 2. Kd1 Qg1 3. Ke2 Qh2+
>                                    4. Kd1 Qg1 <HT>
>                8     0.68   2.39   1. Qf7+ Kd8 2. Qf4 Qh1 3. Bd2 Qf3 4.
>                                    Nf7+ Kc8 5. Be2 Qh1+ 6. Bf1
>                8->   0.78   2.39   1. Qf7+ Kd8 2. Qf4 Qh1 3. Bd2 Qf3 4.
>                                    Nf7+ Kc8 5. Be2 Qh1+ 6. Bf1 (s=3)
>                9     1.35   2.71   1. Qf7+ Kd8 2. Qf4 Na6 3. Nf7+ Kc8
>                                    4. Bd2 Bb4 5. O-O-O Bxd2+ 6. Rxd2 Nb4
>                                    (s=2)
>                9->   1.65   2.71   1. Qf7+ Kd8 2. Qf4 Na6 3. Nf7+ Kc8
>                                    4. Bd2 Bb4 5. O-O-O Bxd2+ 6. Rxd2 Nb4
>               10     3.22   2.78   1. Qf7+ Kd8 2. Qf4 Be7 3. Bd2 Nb6 4.
>                                    O-O-O Nd5 5. Qxe4 Bxg5 6. Re1
>               10->   4.21   2.78   1. Qf7+ Kd8 2. Qf4 Be7 3. Bd2 Nb6 4.
>                                    O-O-O Nd5 5. Qxe4 Bxg5 6. Re1
>               11     8.74   2.65   1. Qf7+ Kd8 2. Qf4 Na6 3. Nf7+ Ke8
>                                    4. a3 Rc8 5. Bd2 Nc7 6. Nh8 Nd5 7.
>                                    Qxe4+ Kd8
>               11->  17.58   2.65   1. Qf7+ Kd8 2. Qf4 Na6 3. Nf7+ Ke8
>                                    4. a3 Rc8 5. Bd2 Nc7 6. Nh8 Nd5 7.
>                                    Qxe4+ Kd8 (s=2)
>               12    22.86     ++   1. Qf7+!!
>               12->  32.60   3.04   1. Qf7+ Kd8 2. Qf4 Na6 3. Nf7+ Ke8
>                                    4. a3 Rc8 5. Bd2 Nc7 6. Nh8 Nd5 7.
>                                    Qxe4+ Kd8 (s=4)
>               13    53.35   3.09   1. Qf7+ Kd8 2. Qf4 Na6 3. Nf7+ Kc8
>                                    4. Bd2 Nb4 5. Qxe4 Qg3+ 6. Kd1 Rb8
>                                    7. Be1 Qg1 8. Bc4 g6 (s=3)
>               13->   1:12   3.09   1. Qf7+ Kd8 2. Qf4 Na6 3. Nf7+ Kc8
>                                    4. Bd2 Nb4 5. Qxe4 Qg3+ 6. Kd1 Rb8
>                                    7. Be1 Qg1 8. Bc4 g6



tiger 15 on an AMD 2100xp(1800mhz) finds it in 6 seconds.  Wish I could post the
score but I have no clue how to transfer it from chesspartner to here.  Tiger 15
normal with 382 mb hash was used.



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