Author: Uri Blass
Date: 15:07:17 07/07/03
Go up one level in this thread
On July 07, 2003 at 17:00:54, Will Singleton wrote: >On July 07, 2003 at 10:05:06, Jon Dart wrote: > >>Yet more test positions. >> >>r5k1/p6r/1n2p2p/2BbPpp1/8/P2B4/5PPP/2RR2K1 w - - bm Bxf5; id "arasan3.66"; >>5rk1/q4ppp/pp1bp1n1/6N1/4QP2/P3P3/1P1B2PP/2R3K1 w - - bm Nxe6; id "arasan3.67"; >>r3kb1r/2R2bpp/p2p1p2/1p2pPP1/3qP3/5Q2/1PPB3P/2K2B1R w kq - bm Bc4; id >>"arasan3.68"; >>1r5k/pp5p/3Nn1p1/3R4/3b4/BP3rPP/P4P2/1R4K1 w - - bm Rxd4; id "arasan3.69"; >>r1b2rk1/1ppq1pp1/2nbp2p/p6Q/2NPB3/2P5/PP3PPP/R1B1R1K1 w - - bm Bxh6; id >>"arasan3.70"; >>4rrk1/1bpn1qp1/1p1b3p/pP1Ppn2/4N3/P2Q1N1P/1BB2PP1/2R1R1K1 w - - bm g4; id >>"arasan3.71"; >>5k2/p1q1ppbp/6p1/5b2/2P5/4BP2/PP4PP/2KR1B1R b - - bm Qa5; id "arasan3.72"; >>6k1/3p2p1/1p1Npq2/3n3r/1P6/5PQ1/P4KP1/RNBR3r w - - bm Ne4; id "arasan3.73"; >>k1r5/5pp1/2r1p3/q1bpP1Pp/5P2/pR3Q1B/P1P4P/1K1R4 w - - bm f5; id "arasan3.74"; >>7r/5R2/5p2/8/2kp4/5PKP/8/8 b - - bm d3; id "arasan3.75"; >> >>The last one is interesting. Crafty has no trouble with this, but Arasan takes a >>while to find it. > >I liked 1,3,4 and 8. 4 was the hardest for Amateur to solve, about 1:40 (p4 >2.8ghz) The last one must be an eval thing, mine got d3 from ply 3 on. > >Will A lot of problem are evaluation problems mine needs a long time for this but have no problem in other problems and it likes Nxe6 from the first ply in arasan3.67 3.68 is first solved at depth 9 with a draw score and only later movei see the advantage for white. 3.69 is solved at depth 6 and I guess that is also evaluation 3.71 solved at depth 5 and is also evaluation problem 3.73 is also evaluation problem because it is solved at depth 4 only to change its mind later and to change its mind later again to the right solution. Uri
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