Author: Ernst A. Heinz
Date: 11:09:46 05/03/00
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Hi Stefan, >In my set of tactical test positions there is the following example: > >[D] 2rqk2r/pb1nbp1p/4p1p1/1B1n4/Np1N4/7Q/PP3PPP/R1B1R1K1 w k - bm Rxe6 >So here is my question: >Is Rxe6 really the best move and I have introduced a bug somewhere in my code >or is Rxe6 a mistake? I didn?t find an improvement for white after >1. Rxe6 fxe6, but this can be due to my limited chess knowledge. I remember the position and Ed's posting about it some time ago. "DarkThought WCCC'99" prefers Rxe6 with a slightly positive evaluation from iteration #6 to iteration #13. Then, in iteration #14 it switches to Nxe6 with a slightly positive score. It keeps Nxe6 through iteration #16 where I stopped the analysis. 16.01 Nxe6 fxe6 Qxe6 a6 Bxa6 Bxa6 Qxa6 Ra8 Qe6 =0.26 #6468231055 Given the position after Ra8 from the PV shown above, "DarkThought" still sees White as slightly positive after playing Qe6. What do others think about Nxe6 and the above continuation? =Ernst=
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