Author: Mike Byrne
Date: 08:15:36 10/02/04
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On October 02, 2004 at 04:50:27, Stuart Cracraft wrote: >[D] r1bqkb1r/pp1n1pp1/2p1pn1p/6N1/3P4/3B1N2/PPP2PPP/R1BQK2R w KQkq - bm Nxe6 > >(Not sure all the above flags are right but castling privileges were >available x4 as I recall.) > >Okay my simple program can't find Nxe6 over-the-board. I'm wondering >a few things. Did DB find this over-the-board or did it have a book >move? I should look at the logs again but am a bit lazy as it's close >to 2am. What is necessary in a program to find Nxe6? Keeping the >king in the center with the big guns around it perhaps but how do you >quantify it in your program that gets Nxe6 over the board > > 1/ 4 g5e4 0.00 45 90 g5e4 > 2/ 8 g5e4 0.01 34 609 g5e4 f8b4 > 3/ 9 g5e4 0.03 37 2799 g5e4 f6e4 d3e4 f8e7 > 4/13 g5e4 0.05 37 7957 g5e4 f6e4 d3e4 f8e7 e1g1 > 5/13 g5e4 0.17 14 37048 g5e4 f6e4 d3e4 d7f6 e4d3 f6d5 > 6/15 g5e4 0.32 21 71479 g5e4 f6e4 d3e4 d7f6 e4d3 f8b4 c2c3 b4e7 > 7/17 g5e4 2.00 18 538781 g5e4 c6c5 c1e3 f6e4 d3e4 c5d4 e3d4 d7f6 d4f6 > 8/18 g5e4 4.04 19 967773 g5e4 c6c5 e1g1 c5d4 f3d4 f6e4 d3e4 e6e5 d4f5 > a8b8 > 9/23 g5e4 31.30 18 4831872 g5e4 f6e4 d3e4 c6c5 e1g1 c5d4 d1d4 f7f5 e4d3 >10/25 g5e4 255.28 19 40115844 g5e4 c6c5 e4f6 g7f6 c2c3 c5d4 c3d4 f8b4 e1f1 > e6e5 f1g1 h6h5 >11/29 g5e4 503.44 19 83075872 g5e4 c6c5 e4f6 g7f6 c2c3 c5d4 c3d4 f8b4 e1f1 > e6e5 f1g1 also. Nxe6 is not considered a forced win, but successful defensive play is considered so treacherous and that it considered ill advised to force the sac with h6.
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