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Subject: Re: Would your program play... (Fruit 2.1)

Author: Kurt Utzinger

Date: 23:00:53 07/09/05

Go up one level in this thread


On July 09, 2005 at 22:04:19, Will Singleton wrote:

>Bxf7+?
>
>[d]r1b1kb1r/pp1n1ppp/2p2n2/q7/P1BpP3/2N2N2/1P1B1PPP/R2QK2R w KQkq -
>
>Looks like a really good move to play against a human, who misplayed and ended
>up mated in a few moves.  Interestingly, black was 2 pieces up, but was
>completely busted due to its exposed king.
>
>Note also that some programs prefer to give up the queen as black, with a
>positive eval for black (eg crafty), as in 10. Bxf7+ Kxf7 11. Ng5+ Qxg5!?  This
>in fact may be black's best defense, can't tell.
>
>[Event "ICC 30 0"]
>[Site "Internet Chess Club"]
>[Date "2005.07.09"]
>[Round "-"]
>[White "Amateur"]
>[Black "xcrack"]
>[Result "1-0"]
>[ICCResult "Black resigns"]
>[WhiteElo "2543"]
>[BlackElo "2431"]
>[Opening "QGD Slav: Soultanbéieff variation"]
>[ECO "D16"]
>[NIC "SL.03"]
>[Time "21:12:46"]
>[TimeControl "1800+0"]
>
>1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6 6. Bg5 Nbd7 7. e4 Qa5 8.
>Bd2 e5 9. Bxc4 exd4 10. Bxf7+ Kxf7 11. Ng5+ Kg6 12. Nd5 Qc5 13. Nf4+ Kxg5
>14. h4+ Kh6 15. g4 g5 16. hxg5+ Kxg5 17. Qf3 Qe5 18. O-O-O Bb4 19. Rh5+ Nxh5
>20. Ne6+ Kg6 21. gxh5+ Qxh5 22. Rg1+ {Black resigns} 1-0


, Blitz:4'+2" MyTown
r1b1kb1r/pp1n1ppp/2p2n2/q7/P1BpP3/2N2N2/1P1B1PPP/R2QK2R w KQkq - 0 1

Analysis by Fruit 2.1: (P4 1.8/32 MB hash)

10.Nxd4 Qc5 11.Bxf7+ Kxf7 12.Qb3+ Ke8
  ±  (1.15)   Depth: 1/5   00:00:00
  =  (-0.18)   Depth: 2/13   00:00:00
10.Nd5 Qc5 11.Nc7+ Kd8 12.Bf4 Qxc4 13.Nxa8 Nxe4 14.Qxd4 Qxd4 15.Nxd4
  ²  (0.48)   Depth: 2/13   00:00:00
  =  (0.01)   Depth: 4/17   00:00:00
10.Nb5 Qb6 11.a5 Qc5 12.Nc7+ Kd8 13.Bf4 Qxc4 14.Nxa8 Nxe4 15.Qxd4 Qxd4 16.Nxd4
  =  (0.17)   Depth: 4/17   00:00:00
  =  (-0.04)   Depth: 6/20   00:00:00  76kN
10.Nd5 Qc5 11.Nc7+ Kd8 12.Nxa8 Qxc4 13.Rc1
  =  (0.01)   Depth: 6/20   00:00:00  95kN
10.Ne2 Qc7 11.0-0 Nxe4 12.Nfxd4 Ne5 13.Bf4
  =  (0.12)   Depth: 6/20   00:00:00  133kN
  =  (0.25)   Depth: 7/21   00:00:01  312kN
10.Nb5 Qb6 11.Nbxd4 Nxe4 12.0-0 Ndf6 13.Qc2 Bd6
  ²  (0.38)   Depth: 7/21   00:00:01  346kN
  =  (0.17)   Depth: 8/23   00:00:02  602kN
10.Nd5 Qc5 11.Nc7+ Kd8 12.Nxa8 Qxc4 13.Rc1 Qe6 14.e5
  =  (0.20)   Depth: 8/26   00:00:03  1072kN
10.Bxf7+ Kxf7 11.Ng5+ Kg6 12.f4 Ne5 13.f5+ Bxf5 14.exf5+ Kxf5 15.0-0+ Kg6
16.Nce4 Bb4 17.Bc1 Nxe4 18.Nxe4
  ²  (0.40)   Depth: 8/33   00:00:05  1739kN
  =  (0.12)   Depth: 9/47   00:00:08  2988kN
10.Nb5 Bb4 11.0-0 Bxd2 12.Nd6+ Ke7 13.Nf5+ Kf8 14.Nxd2 Ne5 15.Nxd4 Qb6 16.N4b3
Nxe4 17.Nxe4 Nxc4 18.Qc2
  =  (0.13)   Depth: 9/47   00:00:10  3680kN
  =  (0.24)   Depth: 14/49   00:03:17  79381kN
10.Bxf7+ Kxf7 11.Ng5+ Ke8 12.Nd5 Qc5 13.Nc7+ Ke7 14.Nxa8 Ne5 15.0-0 h6 16.Nf3
Nxe4 17.Re1 Bf5 18.Nc7 Kd8
  ±  (0.99)   Depth: 14/64   00:18:15  437570kN
  ±  (0.99)   Depth: 14/64   00:18:15  437570kN

(, MyTown 10.07.2005)




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