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Subject: Re: Could someone with a fast computer please help?

Author: Bryan Hofmann

Date: 15:33:57 09/09/04

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On September 09, 2004 at 17:35:16, Laurens Winkelhagen wrote:

>In this position:
>[D]r4rk1/pp3pp1/2p5/4pP2/4Qq2/1P1P4/1PP1KP2/R6R w - - 0 22
>
>Crafty 19.15 on my slow celeron 400 sees only Qxf4 (with a nice advantage for
>white) but imho f6 is the better move here. Could someone with a faster computer
>confirm this, and possibly post a continuation?
>
>After 3/4 hours crafty did in fact see f6!! (at depth 14), but no continuation
>seemed to be forthcomming..
>
>Thanx, Laurens.



Tao 5.7:
  1/2	00:00	           7	0	-0.67	f6
  1/2	00:00	           9	0	+0.03	Qxf4 exf4
  2/5	00:00	          82	0	+0.03	Qxf4 exf4
  3/7	00:00	         663	0	+0.36	Qxf4 exf4 Kf3
  4/10	00:00	       1.449	0	+0.43	Qxf4 exf4 Kf3 g5 fxg6 fxg6
  5/12	00:00	       3.606	0	+0.46	Qxf4 exf4 Kf3 g5 Rae1
  6/15	00:00	      10.429	0	+0.60	Qxf4 exf4 Kf3 g5 fxg6 fxg6 Rae1
  7/17	00:00	      30.797	0	+0.44	Qxf4 exf4 Kf3 g5 fxg6 fxg6 Rae1 Rad8
  8/20	00:00	      87.331	0	+0.58	Qxf4 exf4 Kf3 g5 fxg6 fxg6 Rae1 Rad8 Re7
  9/22	00:00	     161.671	229.374	+0.70	Qxf4 exf4 Kf3 g5 fxg6 fxg6 Rhg1 Kg7 Ra4
Rae8 Rxa7
 10/25	00:01	     418.105	403.149	+0.77	Qxf4 exf4 Kf3 Rfe8 d4 a5 c3 b6 Rag1 Rad8
Kxf4
 11/27	00:02	   1.378.166	501.418	+0.90	Qxf4 exf4 Kf3 Rfe8 Rh4 c5 Rah1 f6 Kxf4
Kf7 Rh7
 11/27+	00:03	   1.577.107	508.155	+0.90	f6
 11/27	00:04	   2.016.061	519.616	+1.62	f6 g6 Qxf4 exf4 Rh6 Rae8+ Kf3 Re5 Rah1
Rh5 R6xh5 gxh5 Rxh5 Re8 Kxf4
 12/30	00:05	   3.139.852	553.553	+1.57	f6 g6 Qxf4 exf4 Rh6 Rfe8+ Kf3 Re5 Rah1
Rh5 R6xh5 gxh5 Rxh5 Re8 Ra5 a6 Rg5+ Kf8 Kxf4
 13/32	00:09	   5.306.245	599.415	+1.57	f6 g6 Qxf4 exf4 Rh6 Rfe8+ Kf3 Re5 Rah1
Rh5 R6xh5 gxh5 Rxh5 Re8 Ra5 a6 Rg5+ Kf8 Kxf4
 14/35	00:16	  10.072.953	625.383	+1.57	f6 g6 Qxf4 exf4 Rh6 Rfe8+ Kf3 Re5 Rah1
Rh5 R6xh5 gxh5 Rxh5 Re8 Ra5 a6 Rg5+ Kf8 Kxf4
 15/37	01:14	  42.304.540	571.643	+2.14	f6 g6 Qf3 Qxf3+ Kxf3 e4+ dxe4 Rae8 Rh6
Re5 Rah1 Rh5 R1xh5 gxh5 Rxh5 Rd8 Rg5+ Kf8 Rg7 Rd2 Rh7
Best move: f6, Value: +2.14, Depth: 16/40, Time: 02:07.682, 72.335.359 Nodes,
567.198 N/sec




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