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Subject: Re: Would your program play... (Spike 0.9a)

Author: Christos Gitsis

Date: 22:58:11 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


As I expected, Spike would play Bxf7

Spike 0.9a:

   8	00:01	     564.507	950.348	+0,12	1.Nb5 Bb4 2.Nd6+ Ke7 3.Nxf7 Bxd2+ 4.Nxd2
Rf8 5.b4 Qxb4 6.Rb1
   8+	00:01	     673.096	956.102	+0,29	1.Bxf7+ Kxf7 2.Ng5+ Kg6 3.Nd5 Qa6 4.Nc7
   8+	00:01	     673.096	956.102	+0,29	1.Bxf7+ Kxf7 2.Ng5+ Kg6 3.Nd5 Qa6 4.Nc7
   8	00:01	     787.502	968.637	+0,55	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8
   8	00:02	     947.427	1.010.050	+0,55	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8
   9	00:02	   1.096.145	1.015.889	+0,38	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.Bf4 Bb4+ 7.Ke2 Nxe4 8.Qxd4
   9	00:02	   1.585.529	1.067.696	+0,38	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.Bf4 Bb4+ 7.Ke2 Nxe4 8.Qxd4
  10+	00:02	   1.814.227	1.064.687	+0,68	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5
  10+	00:02	   1.814.227	1.064.687	+0,68	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5
  10	00:03	   2.479.343	1.079.383	+1,19	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5 Bd6
  10	00:03	   2.968.376	1.091.716	+1,19	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5 Bd6
  11-	00:05	   4.824.295	1.126.645	+0,89	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5 Bd6 7.Ba5+ b6
  11-	00:07	   7.615.485	1.125.552	+0,89	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5 Bd6 7.Ba5+ b6
  11	00:08	   8.831.540	1.121.465	+0,90	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5 Bd6 7.Ba5+ b6
  11	00:08	   8.831.585	1.121.471	+0,90	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5 Bd6 7.Ba5+ b6
  12	00:11	  11.421.518	1.126.271	+0,96	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5 Bc5 7.b4 Re8+ 8.Kf1
  12	00:13	  13.534.972	1.135.293	+0,96	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5 Bc5 7.b4 Re8+ 8.Kf1
  13	00:20	  22.237.482	1.132.197	+0,98	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5 Bc5 7.0-0 Nxd5 8.Re1
  13	00:27	  30.393.717	1.137.531	+0,98	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5 Bc5 7.0-0 Nxd5 8.Re1
  14	00:36	  40.389.766	1.129.783	+0,98	1.Bxf7+ Kxf7 2.Ng5+ Ke8 3.Nd5 Qd8 4.Ne6
cxd5 5.Nxd8 Kxd8 6.exd5 Bc5 7.0-0 Nxd5 8.Re1 N7f6




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