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Subject: Re: Good Test Move for Engines

Author: Ross Boyd

Date: 21:40:53 06/17/05

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On June 17, 2005 at 11:43:33, Rob Basham wrote:

>[D]r2qr1k1/pb3pp1/1p4np/2pP4/4N1NP/4B1P1/PPQ3B1/3R1RK1 w - - 0 1
>
>Gothmog 0.4.7....finds Rxf7 in only 4 seconds!
>
>Junior 5 takes 27 seconds
>
>P3-850

Less than 6 seconds for TRACE 1.34beta on a P3 600Mhz

FEN: r2qr1k1/pb3pp1/1p4np/2pP4/4N1NP/4B1P1/PPQ3B1/3R1RK1 w - - 0 1

TRACE 1.34:
   2	00:00.090	       3.135	104.500	+5.77	Kh1 Bxd5
   2	00:00.090	       3.173	105.766	+5.77	Kh1
   2	00:00.090	       3.194	106.466	+5.78	Nxh6+
   2	00:00.090	       3.302	82.550	+7.53	Nxh6+ gxh6 Nf6+ Qxf6
   3	00:00.110	       4.369	109.225	+7.53	Nxh6+ gxh6 Nf6+ Qxf6 Rxf6
   3	00:00.110	       5.260	105.200	+7.54	Bxh6
   3	00:00.110	       6.756	112.600	+8.99	Bxh6 Ba6 Rf5
   4	00:00.120	       9.455	105.055	+8.82	Bxh6 Ba6 Rf5 Qe7
   5	00:00.220	      25.004	119.066	+9.07	Bxh6
   5	00:00.321	      39.006	130.020	+9.30	Bxh6 Ba6 Qc3 gxh6 Nxh6+ Kh7 Nxf7
   6	00:01.861	     127.753	152.086	+9.54	Bxh6 Rf8 Nef6+
   7	00:02.103	     349.332	167.144	+9.79	Bxh6
   7	00:03.435	     587.352	171.740	+9.85	Bxh6 Re7 Nef6+ gxf6 d6 Rd7 Nxf6+ Kh8
Nxd7 Qxd7
   7	00:05.538	     907.553	155.402	+9.86	Rxf7
   7	00:06.299	   1.025.612	155.395	+9.97	Rxf7 Re7 Ng5 Nf8 Ne6 Qd6 Bf4
   8	00:09.614	   1.593.899	161.817	+10.22	Rxf7
   8	00:12.747	   1.996.820	165.026	+10.47	Rxf7 Re7 Ng5 Nf8 Ne6 Qd6 Bf4 Qd7
   9	00:22.082	   3.660.008	163.612	+10.72	Rxf7
   9	00:39.866	   6.228.125	159.124	+12.72	Rxf7




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