Author: Will Singleton
Date: 14:25:43 04/13/00
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On April 13, 2000 at 10:31:56, Jon Dart wrote: >I've been looking at the BT2630 test suite, which I run routinely. > >One of the positions is #26: > >2r3k1/pbr1q2p/1p2pnp1/3p4/3P1P2/1P1BR3/PB1Q2PP/5RK1 w - - bm f5; id "test 26"; > >Is f5 really a decisive move here? Currently my program likes g3 >after searching nearly 200 million nodes. At earlier plies it >selected Re5. They all look pretty reasonable to me. f5 looks >good : but is it positionally better, or does White get material >or a decisive attack? > Amateur starts with f5, but drops from a high of about +1 at ply 8 to +0.19 by ply 12. I would guess that f5 might not be that much better than the others, but what do the commercials say? >Another one that I'm not passing at present is #13: > >2bq3k/2p4p/p2p4/7P/1nBPPQP1/r1p5/8/1K1R2R1 b - - bm Be6; id "test 13"; > >I used to get Be6, but now on a faster machine it eventually >switches back to c2+ at ply 12 and holds it. > >--Jon Mine starts with c2 and stays there, though the score steadily drops, ending at +2. Will
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