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Subject: Re: Test your engines to find the draw

Author: Jason Kent

Date: 13:10:58 11/30/04

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I think this is the hardest position to verify being a draw.  When it was played
out in the tournament at 80 minutes/game, it was a draw, but maybe one of the
engines blundered.

Jason

CM9kSlayer  WB1 130 MB:
3001   00:00  1.08   Qb2 Kf7 a4 Re1+ Kf2
3001   00:00  1.12   Qf1 Kf7 a4
4001   00:00  1.15   Qf1 Qxa2 b6 Qb2
5001   00:00  0.93   Qf1 Qxa2 Rh4 Qa7+ Kh1 Qc7 Qf4
5001   00:00  1.03   Qb2 Re1+ Kf2 Qh1 Qh8+ Kf7 Qxh7+ Kf6 Qh8+ Kf7 Qd4 Qg1+ Kf3
Qxh2
6001   00:00  1.03   Qb2 Re1+ Kf2 Qh1 Qh8+ Kf7 Qxh7+ Kf6 Qh8+ Kf7 Qd4 Qg1+ Kf3
Qxh2
6001   00:00  1.12   Qf1 Qxa2 Qd1 Qb2 Qd6+ Kf7 Qd5+ Kf8 Rf1
7001   00:01  1.01   Qf1 Qxa2 Qd1 Qb2 Qd6+ Re7 Qd8+ Kf7 Qd5+ Kf8 Rf1
8001   00:03  0.95   Qf1 Qxa2 Qd1 Qa5 Qd5 Re1+ Kg2 Qc7 Qd4 Ke8
9001   00:11  1.10   Qf1 Qxa2 Rc4 Qa5 c7 Rc8 Qd3 Qxb5 Qd8+ Kf7 Rd4
10001   00:31  0.94   Qf1 Qxa2 Rc4 Qa7+ Kh1 Re7 Rc1 Qe3 c7 Qe4+ Kg1 Qe3+ Kg2
Qe4+ Qf3
11001   01:35  0.88   Qf1 Qc5+ Rf2 Re4 Qd3 Rd4 Qe2 Rb4 a4 Rxa4 Qb2 Rd4 Qb3
12002   05:13  0.10   Qf1 Qc5+ Rf2 Re4 Qd3 Rg4+ Kf1 Qc1+ Ke2 Qb2+ Kf3 Qe5 Rf1
Qf4+ Ke2 Qe5+ Kf2 Qxh2+ Ke1 Qe5+ Kd1 Qa1+ Ke2



>>[D]4rk2/7p/2P3p1/1P1q1p2/5R2/8/P3Q2P/6K1 w - - 0 50
>
>Have you already find an engine to recognize the draw?
>Kurt
>>
>
>FEN: 4rk2/7p/2P3p1/1P1q1p2/5R2/8/P3Q2P/6K1 w - - 0 50
>
>Aristarch 4.50: (Arena 1.099 on P4 1.8/64 MB hash)
>  2/6-	00:00	          37	0	-0.42	Dxe8+ Kxe8 Txf5
>  2/7	00:00	         121	0	-2.23	Dxe8+ Kxe8 a4
>  2/7+	00:00	         429	0	-2.22	c7 Txe2 c8D+ Ke7
>  2/7+	00:00	         668	0	-2.02	c7 Txe2 c8D+ Ke7
>  2/7	00:00	         954	0	-0.88	c7 Txe2 c8D+ Kg7
>  2/7+	00:00	         998	0	-0.87	Df1 Dxa2
>  2/7+	00:00	       1.041	0	-0.67	Df1 Dxa2
>  2/7	00:00	       1.087	0	+1.32	Df1 Dxa2
>  2/7+	00:00	       1.198	0	+1.33	Db2 Te1+ Kf2
>  2/7+	00:00	       1.247	0	+1.53	Db2 Te1+ Tf1
>  2/7	00:00	       1.298	0	+1.73	Db2 Te1+ Tf1
>  3/9	00:00	       1.687	0	+1.40	Db2 Te1+ Tf1 De5
>  3/9+	00:00	       1.883	0	+1.41	Df1 Dxa2 b6
>  3/9+	00:00	       2.016	0	+1.61	Df1 Dxa2 b6
>  3/9	00:00	       2.187	0	+1.88	Df1 Dc5+ Tf2 f4
>  4/9	00:00	       3.958	0	+1.59	Df1 Dxa2 b6 De2
>  5/12	00:00	      10.282	0	+1.96	Df1 Dxa2 b6 Db2 Da6
>  6/14	00:00	      27.128	0	+1.68	Df1 Dxa2 Td4 Dc2 Td7 Te7
>  6/16+	00:00	      52.422	0	+1.69	Db2 Dd1+ Tf1 Dg4+ Kh1 Te2 Df6+ Ke8 b6
>  6/16+	00:00	      69.813	162.897	+1.89	Db2 Dd1+ Tf1 Dg4+ Kh1 Te2 Df6+ Ke8 b6
>  6/16	00:00	      95.632	184.091	+2.24	Db2 Dd1+ Tf1 Dg4+ Kh1 Dh3 Db4+ Te7 Df4
>  7/18	00:01	     170.234	227.271	+2.29	Db2 Dd1+ Tf1 Dg4+ Kh1 De4+ Dg2 Db4 Dd5
>Te2
>  8/20	00:01	     327.216	271.254	+2.39	Db2 Dd1+ Tf1 Dg4+ Kh1 Dc4 Dh8+ Kf7 Dxh7+
>Kf6 Dh3 Dxb5
>  9/23-	00:01	     422.240	279.458	+1.97	Db2 Dd1+ Tf1 Dg4+ Kh1 De4+ Dg2 Dc4 b6
>Te2 Tf2 Txf2
>  9/24	00:03	     752.464	307.872	+2.35	Db2 Dd1+ Tf1 Dg4+ Kh1 De4+ Dg2 Dd3 b6
>Te2 Df3 De3
> 10/26-	00:03	   1.012.657	319.194	+1.93	Db2 Dd1+ Tf1 Dg4+ Kh1 Te2 Dh8+ Kf7 b6
>De4+ Kg1 Dxc6 Dxh7+ Kf8 Dg8+ Kxg8
> 10/26	00:05	   1.693.407	333.241	+1.90	Db2 Dd1+ Tf1 Dg4+ Kh1 Te2 Da3+ Kg8 Df3
>Dc4 c7 Tc2 b6 Txa2 Dh3
> 11/28	00:15	   5.490.577	357.327	+1.79	Db2 Te1+ Kf2 Dd1 Dh8+ Kf7 Dxh7+ Kf8 Dh8+
>Kf7 Dd4 De2+ Kg3 Dxb5 c7 Dc6 Dc4+ Dxc4
> 12/34	01:12	  26.277.081	362.654	+1.65	Db2 Dc5+ Kf1 Te2 Dxe2 Kg8
> 13/35-	02:05	  44.741.288	359.048	+1.23	Db2 Te1+ Kf2 Dh1 Dh8+ Ke7 Dxh7+ Kf8
> 13/35	02:18	  49.608.500	359.675	 0.00	Db2 Te1+ Kf2 Dh1 Dh8+ Ke7 Dxh7+ Kf8 Dh8+
>Kf7 Dd4 Dg1+ Kf3 Tf1+ Ke2 Te1+ Kf3
> 13/35+	02:26	  52.628.283	360.744	+0.01	Df1 Dxa2 c7 Da7+ Kh1 Dxc7 Tc4 Db8 b6
> 13/35+	02:46	  59.929.408	361.375	+0.21	Df1 Dxa2
> 13/35	05:15	 114.880.884	364.727	+0.65	Df1 Dc5+ Kh1 Dd5+ Kg1
> 14/36	08:40	 190.120.984	365.401	+0.57	Df1 Dc5+ Kh1 Te1 Dxe1 Dxb5
> 14/36+	11:07	 242.332.204	363.303	+0.58	Db2 Te1+
> 15/40-	14:18	 311.198.687	362.687	+0.15	Db2 Te1+ Kf2 Dh1 c7 Dg1+ Kf3 Te3+
> 15/40	16:35	 361.620.458	363.468	 0.00	Db2 Te1+ Kf2 Dh1 Kg3 Dg1+
> 15/40+	18:22	 401.524.427	364.488	+0.01	Df1 Dc5+ Kh1 g5 Txf5+ Kg8
> 15/40+	22:23	 489.984.555	364.851	+0.21	Df1 Dxa2 Tc4 Te1 Dxe1 Dxc4 De5 f4



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