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Subject: Re: Can you see the loss?

Author: ALI MIRAFZALI

Date: 16:57:45 09/22/03

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On September 22, 2003 at 18:16:56, Slater Wold wrote:

>[D]5r2/P7/1K6/6p1/2p2kp1/2Nb4/1P6/7R w - - 0 50
>
>Can your program see this position is lost for white?
>
>Shredder 7.04 & HIARCS 9 couldn't...
For Chessmaster 9000 over 21 minutes to see a slight negative score:
Time	Depth	Score	Positions	Moves
0:02	3/8	1.21	348020		1.Ra1 g3 2.Kb7 Kf3 3.a8=Q Rxa8
					4.Rxa8 Bf1
0:07	4/9	0.15	1119700		1.Ra1 g3 2.Kb7 g2 3.a8=Q Rxa8 4.Kxa8
					Bf1 5.Kb7 g1=Q 6.Ne2+ Bxe2 7.Rxg1
0:13	4/9	0.28	2019377		1.Nd5+ Kf3 2.Rh6 Be4 3.Kc5 g3 4.Rf6+
					Rxf6 5.a8=Q g2 6.Qa3+ Bd3 7.Qa1 Re6
0:28	4/9	0.37	4287688		1.Kb7 Rf7+ 2.Ka6 Rf8 3.Rd1 Ke3
					4.Kb7 Rf7+ 5.Kb6 Rf6+ 6.Kc5 Ra6
0:31	5/10	0.35	4781674		1.Kb7 Rf7+ 2.Ka6 Rf8 3.Rd1 g3 4.b4
					g2 5.b5 Bf1 6.b6 g1=Q 7.Ne2+ Bxe2
					8.Rxg1
1:54	6/11	-0.38	17348271	1.Kb7 g3 2.Rg1 Kf3 3.a8=Q Rxa8
					4.Kxa8 Kf2 5.Rd1 g2 6.b3 g1=Q 7.Rxg1
					Kxg1 8.bxc4 Bxc4
2:58	6/11	0.00	27248429	1.Nd5+ Kf3 2.Nb4 Kf2 3.Rh2+ Kf3
					4.Nxd3 cxd3 5.b4 Ke3 6.Ka6 d2 7.Rh1
					Ke2 8.Rh2+ Ke3
6:46	7/12	0.00	62894072	1.Nd5+ Kf3 2.Nb4 Kf2 3.Rh2+ Kf3
					4.Nxd3 cxd3 5.b4 Ke3 6.b5 d2 7.Rh1
					Ke2 8.Rh2+ Ke3
21:06	8/13	-0.10	200829876	1.Nd5+ Kf3 2.Nb4 Kf2 3.Rh2+ Kg1
					4.Rd2 g3 5.Nxd3 cxd3 6.Rxd3 g2
					7.Rd5 Kf2 8.Rxg5 g1=Q 9.Rxg1 Kxg1



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