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Subject: Re:A Preview of the Anthology of Chess Combinations,3rd;Crafty 19.12

Author: Vincent Lejeune

Date: 16:02:18 04/24/04

Go up one level in this thread



I'm very impressed by the speed of crafty 19.12 in this test set and in other
positions as well. Bob : Congratulation !  what's your new trick ?

All result are on a AMD 2800+(@12*180 Mhz), 384 MB hash, Crafty 19.12 as
Chessbase engine

On April 22, 2004 at 13:22:12, John Merlino wrote:

>On April 22, 2004 at 10:34:36, José Antônio Fabiano Mendes wrote:
>
>>     Please see ==> http://www.chesscafe.com/informant/informant.htm
>>                    [six interesting test positions]
>
>Here are the positions:
>
>[D]2r4k/ppq1r1b1/1n1R2Rp/8/5p1Q/1B5P/PP3PPK/8 w - - 0 1
>
>1.Rdf6!

Analysis by Crafty 19.12:
...
1.Txh6+ Fxh6 2.Dxh6+ Th7 3.Df6+ Tg7 4.Dh6+ Th7
  =  (0.00)   Profondeur: 4/15   00:00:00
1.Txh6+ Fxh6 2.Dxh6+ Th7 3.Df6+ Tg7 4.Dh6+ Th7
  =  (0.00)   Profondeur: 5/15   00:00:00
1.Txh6+ Fxh6 2.Dxh6+ Th7 3.Df6+ Tg7 4.Dh6+ Th7
  =  (0.00)   Profondeur: 6/20   00:00:00  105kN
1.Txh6+ Fxh6 2.Dxh6+ Th7 3.Df6+ Tg7 4.Dh6+ Th7
  =  (0.00)   Profondeur: 7/22   00:00:00  320kN
1.Txh6+ Fxh6 2.Dxh6+ Th7 3.Df6+ Tg7 4.Dh6+ Th7
  =  (0.00)   Profondeur: 8/25   00:00:01  829kN
1.Tdf6
  ²  (0.40)   Profondeur: 8/25   00:00:04  3437kN
1.Tdf6
  ±  (1.40)   Profondeur: 8/25   00:00:05  4688kN
1.Tdf6 Cc4 2.Txh6+ Rg8 3.Tfg6 f3+ 4.g3 Rf8 5.Th8+ Rf7 6.Txg7+ Rxg7 7.Txc8
  +-  (2.48)   Profondeur: 8/25   00:00:06  5864kN
1.Tdf6 Cc4 2.Txh6+ Rg8 3.Tfg6 f3+ 4.g3 Rf8 5.Th8+ Rf7 6.Txg7+ Rxg7 7.Txc8
  +-  (2.88)   Profondeur: 9/29   00:00:08  8046kN
1.Tdf6 Cc4 2.Txh6+ Rg8 3.Tfg6 f3+ 4.g3 Rf8 5.Th8+ Rf7 6.Fxc4+ Dxc4 7.Txg7+ Rxg7
8.Th7+ Rg6 9.Dxc4 Txc4 10.Txe7
  +-  (3.01)   Profondeur: 9/29   00:00:10  9804kN
1.Tdf6 Cc4 2.Txh6+ Rg8 3.Tfg6 f3+ 4.g3 Rf8 5.Th8+ Rf7 6.Fxc4+ Dxc4 7.Txg7+ Rxg7
8.Th7+ Rg6 9.Dxc4 Txc4 10.Txe7
  +-  (3.01)   Profondeur: 10/30   00:00:14  14940kN
1.Tdf6 Cc4 2.Txh6+ Rg8 3.Tfg6 f3+ 4.g3 Rf8 5.Th8+ Rf7 6.Fxc4+ Dxc4 7.Txg7+ Rxg7
8.Th7+ Rg8 9.Dxe7 Df1
  +-  (3.27)   Profondeur: 11/35   00:00:27  29751kN
1.Tdf6 Cc4 2.Txh6+ Rg8 3.Tfg6 f3+ 4.g3 Rf8 5.Th8+ Rf7 6.Fxc4+ Dxc4 7.Txg7+ Rxg7
8.Th7+ Rg8 9.Dxe7 Df1
  +-  (3.67)   Profondeur: 12/35   00:01:04  71385kN
1.Tdf6 f3+ 2.g3 Dc1 3.Txh6+ Fxh6 4.Txh6+ Dxh6 5.Dxh6+ Th7 6.Df6+ Tg7 7.Dxf3 Td8
8.Fe6 Tg6 9.Dc3+ Tg7 10.Df6
  +-  (4.11)   Profondeur: 12/35   00:02:15  155074kN

>
>[D]6k1/p3Bpp1/2R1b1q1/7p/4n1P1/3pP3/P4PBP/3R2K1 b - - 0 1
>
>1...f6!!

Analysis by Crafty 19.12:
...
1...Cf6 2.gxh5 Df5 3.Fxf6 gxf6 4.Td2
  ±  (1.25)   Profondeur: 5/14   00:00:00
1...hxg4 2.Txd3 Df5 3.Td8+ Rh7 4.Fxe4 Dxe4 5.Tc7
  ±  (0.90)   Profondeur: 5/14   00:00:00
1...Rh7 2.f3 Cf6 3.Fxf6 gxf6 4.gxh5
  ±  (0.76)   Profondeur: 5/14   00:00:00
1...Rh7 2.f3 Cf6 3.Fxf6 gxf6 4.e4 Fd7 5.gxh5 Dxh5 6.Txf6
  ²  (0.65)   Profondeur: 6/15   00:00:00  107kN
1...Rh7 2.f3 Cf6 3.gxh5 Df5 4.Fxf6 gxf6 5.Td2
  ±  (1.07)   Profondeur: 7/16   00:00:01  205kN
1...d2 2.f3 Cf6 3.Txd2 hxg4 4.f4 Db1+ 5.Ff1 Fxa2 6.Fxf6 gxf6 7.Txf6
  ±  (0.75)   Profondeur: 7/16   00:00:01  509kN
1...hxg4 2.Txd3 Df5 3.Td8+ Rh7 4.Tc2 Fd5 5.a4 a5
  ²  (0.66)   Profondeur: 7/16   00:00:01  638kN
1...hxg4 2.Txd3 Cg5 3.Td8+ Rh7 4.Fxg5 Dxg5 5.Fe4+ g6 6.Td2 De5 7.Fd3
  ²  (0.64)   Profondeur: 8/20   00:00:02  948kN
1...hxg4 2.Txd3 Df5 3.Tc2 Fd5 4.Td4 Rh7 5.a4 a5
  ²  (0.66)   Profondeur: 9/20   00:00:03  2247kN
1...hxg4 2.Txd3 Df5 3.Tc2 Fd5 4.Td4 a6 5.Ff1 a5 6.Fb5
  ²  (0.67)   Profondeur: 10/22   00:00:06  5258kN
1...Cf6 2.gxh5 Cxh5 3.h4 Rh7 4.Td2 Cf6 5.h5 Cxh5 6.Td6 Df5 7.T6xd3
  ²  (0.64)   Profondeur: 10/22   00:00:11  10846kN
1...d2 2.f3 Cf6 3.Fxf6 Dxf6 4.Txd2 hxg4 5.f4 g5 6.fxg5 Dxg5 7.Rf2
  ²  (0.54)   Profondeur: 10/22   00:00:16  16331kN
1...f6
  ²  (0.26)   Profondeur: 10/22   00:00:24  24821kN
1...f6 2.gxh5 Dxh5 3.Txd3 De2 4.Fxe4 Fh3 5.Fd5+ Rh7 6.Tc1 Dxd3 7.Ff7
  ²  (0.26)   Profondeur: 10/22   00:00:25  26015kN
1...f6 2.gxh5 Dxh5 3.Txd3 De2 4.Fxe4 Fh3 5.Tc8+ Rf7 6.Fd5+ Rg6 7.Tc1 Dxd3 8.Tc5
  =  (0.24)   Profondeur: 11/29   00:00:36  37223kN
1...f6 2.gxh5 Dxh5 3.Txd3 De2 4.Fxe4 Fh3 5.Fd5+ Rh7 6.Tc1 Dxd3 7.e4 f5 8.Te1
fxe4 9.Fxe4+
  =  (0.12)   Profondeur: 12/29   00:01:05  70375kN
1...f6 2.gxh5 Dxh5 3.Txd3 De2 4.Fxe4 Fh3 5.Fd5+ Rh7 6.Tc1 Dxd3 7.e4 f5 8.Te1
fxe4 9.Fxe4+
  ³  (-0.28)   Profondeur: 13/31   00:02:37  172596kN
1...f6 2.gxh5 Dxh5 3.Txd3 De2 4.Fxe4 Fh3 5.Fd5+ Rh7 6.Tc1 Dxd3 7.Fc6 Dg6+ 8.Rh1
Df7 9.Fd6 Dxa2
  ³  (-0.70)   Profondeur: 13/31   00:04:22  283834kN
1...f6 2.f3 Cg5 3.Txe6 Cxe6 4.gxh5 De8 5.Fd6 Db5 6.Ff1 Dxh5 7.Rf2 Cg5 8.Fxd3
Dxf3+
  µ  (-0.71)   Profondeur: 14/35   00:08:46  556306kN

>
>[D]5kn1/2q2r2/1p1pQP2/p1pPp1R1/b1P1B1P1/2P2P2/8/6K1 w - - 0 1
>
>1.Bh7!

Analysis by Crafty 19.12:
...
1.Txg8+ Rxg8 2.Fg6 Fb3 3.g5 Fxc4 4.Fxf7+ Dxf7 5.Dxd6 Fxd5 6.Dxb6
  -+  (-2.26)   Profondeur: 6/19   00:00:01  36kN
1.Txg8+ Rxg8 2.Fg6 Fd1 3.g5 a4 4.Fxf7+ Dxf7 5.Dxd6
  -+  (-1.52)   Profondeur: 6/19   00:00:01  57kN
1.Txg8+ Rxg8 2.Fg6 Fb3 3.De8+ Tf8 4.De7 Dxe7 5.fxe7 Fxc4 6.exf8F Rxf8
  µ  (-1.31)   Profondeur: 7/21   00:00:01  101kN
1.Txg8+ Rxg8 2.Fg6 Fb3 3.g5 Dd7 4.Fxf7+ Dxf7 5.Dxd6 Fxc4 6.Dxb6 Fxd5 7.Dxa5
  µ  (-1.39)   Profondeur: 8/26   00:00:01  190kN
1.Txg8+ Rxg8 2.Fg6 Fb3 3.g5 Dd7 4.Fxf7+ Dxf7 5.Dxd6 Fxc4 6.Dxb6 Fxd5 7.Dxa5
  µ  (-1.39)   Profondeur: 9/28   00:00:01  427kN
1.Txg8+ Rxg8 2.Fg6 Fb3 3.g5 Dd7 4.Fxf7+ Dxf7 5.Dxd6 Fxc4 6.Dxb6 Fxd5 7.Dxa5
  µ  (-0.99)   Profondeur: 10/28   00:00:02  733kN
1.Txg8+ Rxg8 2.Fg6 Dd7 3.Fxf7+ Dxf7 4.Dxd6 Fb3 5.Dxe5 a4 6.Dg5+ Rf8 7.Dh6+ Re8
8.Df4
  ³  (-0.44)   Profondeur: 10/28   00:00:03  1578kN
1.Txg8+ Rxg8 2.Fg6 Dd7 3.Fxf7+ Dxf7 4.Dxd6 Fb3 5.Dxe5 a4 6.Dg5+ Rf8 7.Dh6+ Re8
8.Df4
  =  (-0.04)   Profondeur: 11/30   00:00:05  2663kN
1.Txg8+ Rxg8 2.Fg6 Dd7 3.g5 Fb3 4.Fxf7+ Dxf7 5.Dc8+ Rh7 6.Df5+ Dg6 7.Dd7+ Rg8
8.Dd8+ Rf7 9.De7+ Rg8 10.Dd8+
  =  (0.00)   Profondeur: 11/30   00:00:05  3069kN
1.Txg8+ Rxg8 2.Fg6 Dd7 3.g5 Fb3 4.Fxf7+ Dxf7 5.Dc8+ Rh7 6.Df5+ Dg6 7.Dd7+ Rg8
8.Dd8+ Rf7 9.De7+ Rg8 10.Dd8+
  =  (0.00)   Profondeur: 12/30   00:00:07  4276kN
1.Txg8+ Rxg8 2.Fg6 Dd7 3.Fxf7+ Dxf7 4.Dxd6 Fb3 5.Db8+ Df8 6.Dxe5 Fxc4 7.De4 b5
8.Dg6+ Rh8 9.Dh5+ Rg8 10.Dg6+
  =  (0.00)   Profondeur: 13/32   00:00:10  7097kN
1.Txg8+ Rxg8 2.Fg6 Dd7 3.Fxf7+ Dxf7 4.Dxd6 Fb3 5.Db8+ Df8 6.Dxe5 Fxc4 7.De4 b5
8.Dg6+ Rh8 9.Dh5+ Rg8 10.Dg6+
  =  (0.00)   Profondeur: 14/35   00:00:18  14187kN
1.Fh7
  ²  (0.40)   Profondeur: 14/35   00:00:31  25960kN
1.Fh7 Cxf6 2.Fg6 De7 3.Fxf7 Fd7 4.Dxe7+ Rxe7 5.Fh5 a4 6.Tg7+ Rd8 7.Tg6 Cxh5
8.gxh5 Rc7 9.h6 a3
  ±  (1.04)   Profondeur: 14/35   00:00:41  35454kN
1.Fh7 Cxf6 2.Fg6 De7 3.Fxf7 Fd7 4.Dxe7+ Rxe7 5.Fe6 Fxe6 6.dxe6 e4 7.Rf2 exf3
8.Rxf3 Rxe6 9.Tf5 a4 10.Rf4
  ±  (0.92)   Profondeur: 15/36   00:00:51  44379kN

>
>[D]2rr2k1/pp1bQp2/1q1p2pB/7n/3bP2P/2NB1P2/PPP5/2KR2R1 w - - 0 1
>
>1.Bc4!

Analysis by Crafty 19.12:
...
1.Dg5 Tc5 2.Dg2 Tdc8 3.Tde1 Fxg1 4.Txg1
  ³  (-0.65)   Profondeur: 7/19   00:00:00  415kN
1.Dg5 Tc5 2.Dg2 Tdc8 3.Tde1 Fxg1 4.Txg1 a5
  µ  (-0.85)   Profondeur: 8/21   00:00:01  874kN
1.Fc4
  =  (-0.25)   Profondeur: 8/21   00:00:03  1936kN
1.Fc4 Txc4 2.Txd4 Txd4 3.Fe3 Tc8 4.Dxd7 Txc3 5.bxc3
  =  (0.06)   Profondeur: 8/21   00:00:03  2348kN
1.Fc4 Txc4 2.Txd4 Txd4 3.Fe3 Tc8 4.Dxd7 Txc3 5.bxc3
  ²  (0.46)   Profondeur: 9/25   00:00:05  3958kN
1.Fc4 Txc4 2.Txd4 Txd4 3.Fe3 Tc8 4.Dxd7 Txc3 5.De8+ Rg7 6.bxc3
  ²  (0.49)   Profondeur: 9/25   00:00:07  5137kN
1.Fc4 Txc4 2.Txd4 Txd4 3.Fe3 Txe4 4.Dxe4 Da6 5.Fg5 Tc8
  ²  (0.48)   Profondeur: 10/28   00:00:11  8784kN
1.Fc4 Txc4 2.Txd4 Txd4 3.Fe3 Txe4 4.Dxe4 Da6 5.Fg5 Tc8 6.Rb1
  ²  (0.58)   Profondeur: 11/30   00:00:24  19420kN
1.Fc4 Txc4 2.Txd4 Txd4 3.Fe3 Txe4 4.Dxe4 Da6 5.Fh6 Fc6 6.Df5 Dc4
  ±  (0.73)   Profondeur: 12/32   00:01:55  93578kN

>
>[D]r2r2k1/pb2b3/1q2pn1B/7P/1p6/3B4/PP2QPP1/2R1R1K1 w - - 0 1
>
>1.Rc7!

Analysis by Crafty 19.12:
...
1.Dxe6+ Dxe6 2.Txe6 Txd3 3.Txe7 Fd5 4.Tcc7 Cxh5
  =  (-0.14)   Profondeur: 5/16   00:00:00
1.Ff4 Txd3 2.Dxd3 Cxh5 3.Dg6+ Cg7
  =  (-0.06)   Profondeur: 5/16   00:00:00
1.Ff4 Tac8 2.h6 Fd5 3.Txc8 Txc8
  =  (0.12)   Profondeur: 6/23   00:00:00  241kN
1.Ff4 Tac8 2.Fc4 Fe4 3.Fe5 Fd5 4.h6 Fxc4 5.Txc4 Txc4 6.Dxc4
  =  (0.03)   Profondeur: 7/23   00:00:01  623kN
1.Tc4 Ff8 2.Fg5 Txd3 3.Dxd3 Cxh5 4.Dg6+ Cg7
  ²  (0.30)   Profondeur: 7/23   00:00:01  1098kN
1.Tc4 Rh8 2.Dxe6 Fc5 3.Txc5 Te8 4.Dxe8+ Cxe8 5.Ff8
  =  (0.06)   Profondeur: 8/24   00:00:04  2630kN
1.Ff4 Tac8 2.h6 Fc5 3.Fg5 Txd3 4.Fxf6 Tg3
  =  (0.21)   Profondeur: 8/24   00:00:05  3695kN
1.Ff4 Tac8 2.Txc8 Txc8 3.Fc4 Fe4 4.Fg5 Fd5 5.Fxd5 Cxd5 6.Fxe7 Cxe7 7.Dxe6+ Dxe6
8.Txe6
  =  (0.23)   Profondeur: 9/24   00:00:10  7601kN
1.Tc7 Ff8 2.Fh7+ Rh8 3.De5 Dd4 4.Dxd4 Txd4 5.Fxf8 Txf8 6.Txb7 Cxh7 7.Txa7
  ²  (0.46)   Profondeur: 9/24   00:00:14  11365kN
1.Tc7 Ff8 2.Fh7+ Rh8 3.De5 Dd4 4.Dxd4 Txd4 5.Fxf8 Txf8 6.Txb7 Cxh7 7.Txa7
  ²  (0.46)   Profondeur: 10/28   00:00:22  17797kN
1.Tc7 Ff8 2.Fh7+ Rh8 3.De5 Dd4 4.Ff4 Fg7 5.h6 Dxe5 6.Fxe5 Td7 7.Txd7 Cxd7
8.Fxg7+ Rxh7 9.Txe6
  ²  (0.61)   Profondeur: 11/30   00:00:54  47655kN

>
>[D]2r1r1k1/pb1p1p2/3P1qpp/8/3N4/2P3QP/P2KBPPn/R5R1 b - - 0 1
>
>1...Nf3!!

Didn't find it after 18 min :

Analysis by Crafty 19.12:
...
1...Te4 2.Dxh2 Txc3 3.Cb5 Tc5
  +-  (1.88)   Profondeur: 5/15   00:00:00
1...Te4 2.Tac1 Txd4+ 3.cxd4 Dxd4+ 4.Fd3 Db4+ 5.Rd1 Da4+ 6.Tc2
  +-  (1.49)   Profondeur: 6/19   00:00:01  318kN
1...Te4 2.Tac1 Fd5 3.Dxh2 Dxf2 4.Tc2 De3+ 5.Re1 Txc3 6.Txc3 Dxc3+
  +-  (1.41)   Profondeur: 7/22   00:00:02  916kN
1...Te4 2.Tgd1 Tce8 3.Tab1 Txd4+ 4.cxd4 Dxd4+ 5.Re1 Dc4 6.Txb7 Txe2#
  +-  (1.50)   Profondeur: 8/22   00:00:05  4143kN
1...Te4 2.Tgd1 Fd5 3.a3 Tee8 4.f3 De5 5.f4 Dxd6 6.Dxh2
  +-  (1.76)   Profondeur: 9/27   00:00:14  13284kN
1...Te4 2.Tgd1 Tce8 3.Tab1 Txd4+ 4.cxd4 Dxd4+ 5.Re1 De4 6.Tb2 Fa6 7.De3
  +-  (1.49)   Profondeur: 10/28   00:00:41  40455kN
1...Te4 2.Tgd1 Txd4+ 3.cxd4 Dxd4+ 4.Re1 Db4+ 5.Td2 Tc2 6.Tad1 Txd2 7.Txd2 Db1+
8.Fd1 De4+ 9.De3 Dxg2 10.Dxh6
  +-  (1.52)   Profondeur: 11/31   00:01:39  98140kN
1...Te4 2.Tgd1 Txd4+ 3.cxd4 Dxd4+ 4.Re1 Db4+ 5.Td2 Tc2 6.Tad1 Txd2 7.Txd2 Db1+
8.Fd1 De4+ 9.De3 Dxg2 10.Dxh6
  ±  (1.12)   Profondeur: 12/36   00:04:04  252022kN
1...Te4 2.Tac1 Txc3 3.Txc3 Dxd4+ 4.Fd3 Fa6 5.Th1 Fxd3 6.Dxd3 Dxf2+ 7.Rc1 Df4+
8.Dd2 De5 9.Tc7
  ±  (0.86)   Profondeur: 12/36   00:06:39  418734kN
1...Te4 2.Tgd1 Txd4+ 3.cxd4 Fxg2 4.Re1 Cf3+ 5.Fxf3 Fxf3 6.Tdc1 Te8+ 7.Rf1 Te4
8.Tc8+ Rg7 9.Tc3 Fe2+ 10.Rg1 Txd4
  ²  (0.69)   Profondeur: 13/36   00:13:27  915553kN

>
>jm



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