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Subject: Re: Test position (Aristarch 4.50)

Author: Kurt Utzinger

Date: 02:09:29 10/03/04

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On October 03, 2004 at 03:29:53, Daniel Shawul wrote:

>In a blitz game of two versions of my engine,the new version
>surprized me by making Bxf7+ move at this position? Is this a resonable
>move?
>[D]1r2r1k1/q1p2pp1/p6p/P2BP3/1p3P2/4b2P/1P2Q1P1/R2R3K w


FEN: 1r2r1k1/q1p2pp1/p6p/P2BP3/1p3P2/4b2P/1P2Q1P1/R2R3K w - - 0 1

Aristarch 4.50: (P4 1.8/32 MB hash, Arena 1.092)
  2/4-	00:00	          45	0	-0.42	Lxf7+ Kxf7 Dxe3
  2/4	00:00	          99	0	-0.33	Lxf7+ Kxf7 Dg4
  2/4+	00:00	         142	0	-0.32	g3 Lxf4
  2/4	00:00	         180	0	-0.20	g3 Tbd8
  2/4+	00:00	         226	0	-0.19	Df1 Tbd8
  2/4+	00:00	         263	0	+0.01	Df1 Tbd8
  2/4	00:00	         300	0	+0.11	Df1 Tbd8
  2/4+	00:00	         338	0	+0.12	Df3 Tbd8
  2/4	00:00	         375	0	+0.17	Df3 Tbd8
  2/4+	00:00	         415	0	+0.18	Dg4 Tbd8
  2/4+	00:00	         452	0	+0.38	Dg4 Tbd8
  2/4	00:00	         489	0	+0.56	Dg4 Tbd8
  2/4+	00:00	         539	0	+0.57	Dh5 Lxf4
  2/4+	00:00	         581	0	+0.77	Dh5 Lxf4
  2/6	00:00	         649	0	+0.95	Dh5 Te7
  3/8	00:00	         886	0	+1.35	Dh5 Te7 Df5
  4/8-	00:00	       1.490	0	+0.93	Dh5 Te7 Df5 Td8
  4/8	00:00	       2.213	0	+0.66	Dh5 c5 Lc6 Ted8
  4/8+	00:00	       2.779	0	+0.67	Dg4 Tbd8 Lc6 Txd1+ Txd1 Td8
  4/8+	00:00	       3.579	0	+0.87	Dg4 Tbd8 Df5 Tf8
  4/8	00:00	       4.447	0	+0.88	Dg4 Dc5 e6 fxe6
  5/11	00:00	       7.906	0	+0.66	Dg4 Dc5 Df5 De7 b3
  5/11+	00:00	       8.680	0	+0.67	Dh5 c5 Lc6 Ted8 Df5
  5/11+	00:00	       9.347	0	+0.87	Dh5 c5 Lc6 Ted8 Df5
  5/11	00:00	      10.851	0	+1.06	Dh5 c5 Lc6 Ted8 Df5
  5/14+	00:00	      18.101	0	+1.07	Dd3 Lxf4 Df5 Lxe5 Lxf7+ Kf8
  5/14	00:00	      21.158	0	+1.09	Dd3 Te7 Df5 Dc5 b3
  6/16-	00:00	      34.479	0	+0.67	Dd3 Dc5 Dxa6 Ld4 Dc4 Dxc4
  6/16	00:00	      39.678	0	+0.66	Dd3 Dc5 Df5 De7 Lc4 Ta8
  6/16+	00:00	      46.892	0	+0.67	Dg4 Dc5 e6 fxe6 Lxe6+ Kh8 Df5
  6/16+	00:00	      52.353	0	+0.87	Dg4 Dc5 e6 fxe6 Lxe6+ Kh8 Df5
  6/16	00:00	      60.954	0	+1.14	Dg4 Dc5 e6 fxe6 Lxe6+ Kh8 Td7
  7/16	00:00	      96.786	177.195	+0.93	Dg4 Dc5 Df5 Te7 Lb3 Ld4 Tac1
  8/21	00:01	     391.401	290.782	+1.07	Dg4 Te7 Df5 Dc5 e6 fxe6 Lxe6+ Kh8 Td7
  9/21	00:03	   1.165.533	349.643	+0.85	Dg4 Dc5 Td3 Te7 Tad1 Lf2 e6 fxe6 Lxe6+
Kh8
  9/22+	00:04	   1.743.367	369.612	+0.86	Td3 Ld4 Tad1 c5 e6 Kh8 exf7 Txe2
  9/25+	00:05	   2.117.962	378.982	+0.86	Lxf7+ Kxf7 Td7+ Kg8 Dg4 g5 fxg5 hxg5
Dc4+ Kh8 Df7 Txe5 Dg7+
  9/25+	00:05	   2.132.177	378.982	+1.06	Lxf7+ Kxf7 Td7+ Kg8 Dg4 g5 fxg5 hxg5
Dc4+ Kh8 Df7 Txe5 Dg7+
  9/25	00:06	   2.345.153	384.021	+1.48	Lxf7+ Kxf7 Td7+ Te7 Dh5+ g6 Txe7+ Kxe7
Dxg6 Tf8 f5 Dd4 De6+ Kd8 Te1 Df4
 10/27	00:08	   3.278.514	406.509	+1.15	Lxf7+ Kxf7 Td7+ Te7 Dh5+ g6 Txe7+ Kxe7
Dxg6
 11/29	00:19	   8.284.463	426.904	+1.28	Lxf7+ Kxf7 Td7+ Te7 Dh5+ g6 Txe7+ Kxe7
Dxg6 Lxf4 Df6+ Ke8 Dxf4 Tb5
 12/32+	00:35	  15.013.166	425.737	+1.70	Lxf7+ Kxf7 Td7+ Kf8 Dg4 Te7
 12/33	00:54	  23.921.836	444.071	+1.80	Lxf7+ Kxf7 Td7+ Te7 Txe7+ Kxe7 Dg4 g5
 13/33+	01:21	  35.942.564	440.375	+2.22	Lxf7+ Kxf7 Td7+ Te7 Tad1 Dc5
 13/35	01:46	  48.112.113	451.032	+3.06	Lxf7+ Kxf7 Td7+ Te7 Tad1 Dc5





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