Author: Matthew Herman
Date: 04:22:29 03/26/99
Go up one level in this thread
On March 25, 1999 at 20:31:54, Jeremiah Penery wrote: >On March 25, 1999 at 18:48:02, Matthew Herman wrote: > >>On March 25, 1999 at 13:13:29, Dann Corbit wrote: >> >>>On March 25, 1999 at 08:18:03, Matthew Herman wrote: >>>[snip] >>>>>Could you post some EPD positions where computers make the wrong choice? I am >>>>>*very* interested in this. >>>> >>>>1st position : velirimovic attack >>>>r1b2rk1/2q1bppp/p1npp3/1pnB1N11/4P1P1/2N1B3/PPP1QP1P/2KR2R w - - >>>>here computer will take on d5 or f5 (both lose). >>>This one has three rooks for white. Could you post a corrected version? >>> >>>>2nd position : Yugoslav Dragon >>>>3q1rk1/pp1bppbp/3p1np1/8/2rNP1P1/2N1BP2/PPPQ3P/1K1R3R b - - >>>>Here most computers play the slow a6, b5 and white should develop a strong >>>>attack with h4-h5, yet programs like junior after a6 play qd3?!. Only Fritz has >>>>found h4-h5 so far.. I havent tested crafty yet. >>>> >>>>There are other positions like this, but these are the 2 main ones I am looking >>>>at. >> >>3 rooks?? Where do you see 3 Rs? one first rank is 2KR2R .. no other ranks that >>have Rs (for white).. > >The material looks fine, but should it be black to move? With white to move, >Crafty showed something like +5 right away, but I didn't let it search very >much. > >>Also, Qb8 is slow, white will play h4-h5 and get the >>attack in very quickly, before black has a chance to open up the queenside. > >This is what I got from my modified Crafty: > >15 209:38 -0.56 1. ... b5 2. h4 b4 3. Nce2 a5 4. Qd3 > Qc7 5. h5 e5 6. hxg6 exd4 7. gxh7+ > Kh8 8. Bxd4 Nxh7 9. Bxg7+ Kxg7 10. > Nd4 > >Black's score was dropping with each additional ply. > >Jeremiah b5 gets ripped to shreds by b3! That should be found by crafty, and I DID say b - - = BLACK to MOVE :) Matt
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