Author: blass uri
Date: 12:16:23 06/07/99
Go up one level in this thread
On June 07, 1999 at 14:39:28, Dann Corbit wrote: >On June 07, 1999 at 06:32:39, Harald Faber wrote: > >>On June 04, 1999 at 12:13:59, Eran wrote: >> >>>Since Junior5 does not have underpromotion code, I am wondering whether next >>>version of Junior, probably Junior 6, will have underpromotion code, won't it? >>>Well, basically all strongest chess programs should be 100% state of art, right? >>>In other words, since Junior5 does not have underpromotion code, it cannot be >>>100% state of art, is it? >>> >>>Eran >> >>How often did you have a position where underpromotion was best move? >> >>I don't miss this "feature". >In my database (for which basically all positions are from actual games) I have >218 promotions where promotion to knight is clearly the best move, 85 where >promotion to bishop is the best move, and 147 promotions to rook. Consider the >following: >6n1/5P1k/7p/np4b1/3B4/1pP4P/5PP1/1b4K1 w - -; ce 32766; pv f8=N#; bm f8=N#; id >"BWTC.0907"; >4K3/5P1k/8/8/7N/8/8/8 w - -; ce 32758; pv f8=B Kg8 Nf3 Kh7 Kf7 Kh8 Bg7+ Kh7 >Ng5#; bm f8=B; id "IMCP.015"; >4K3/3P4/3kN3/8/4PP2/8/8/8 w - -; ce 32762; pv d8=R+ Kc6 Rb8 Kd6 Rb6#; bm d8=R+; >id "IMCP.070"; How many games do you have in your database? Uri
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