Author: Jeremiah Penery
Date: 15:45:38 10/15/99
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On October 15, 1999 at 17:40:15, James Robertson wrote: >Today in several quick games, my program reached these positions. My computer >isn't too fast, so I was hoping somebody with a fast computer and tablebases >could look at them. > >r1b1kb1r/pp4pp/1q3p2/3ppn2/1P3B2/2PQPN2/P2N1PPP/R4RK1 w kq - > >Here my program played Bxe5 with a large plus score, and went on to win by >direct attack on black's king. Both Crafty 16.18 and the Fritz that comes with >CBL much prefer e4, giving Bxe5 as almost half a pawn for black. Was my program >right to play Bxe5, or was it overly optimistic? I was getting very close scores for these moves. e4 was near a draw score, and Bxe5 was about -0.3. They were changing at each iteration. >6k1/5p2/4n3/6P1/4qp2/2Q2N2/8/6K1 b - - > >In this position my program played Qe3+ and after the exchange of a few pieces, >a drawn KNPKN position was reached. Is there any way for black to win this? Qe2 is interesting. This is the line I was getting (13 ply): 1. ... Qe2 2. Kh1 Kh7 3. Kg1 Kg6 4. Qf6+ Kh5 5. Qh6+ Kg4 6. Nh2+ Kf5 7. Qh3+ Ke4 8. Qh7+ Kd4 9. Qxf7 Qe3+ 10. Kf1 Nxg5 11. Qa7+ Kc3 I'm not sure whether this is really better or not. >1r2r1k1/2pqnppp/p1bpn2P/6P1/2N1PN2/5P2/PP1QB3/K1R4R b - - > >My program played g6? which I think loses by force. I don't know if there is >anything better (Nxf4 maybe?). Can this game be saved? Nxf4 may be the best move, but looks like it still may lose. I'm not really sure. The score was almost -1 after a couple minutes. =All scores/times are from modified Crafty 16.19 on PII-300= Jeremiah
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