Author: Jeremiah Penery
Date: 22:51:46 11/13/00
Go up one level in this thread
On November 13, 2000 at 14:05:23, Uri Blass wrote: >On November 13, 2000 at 13:13:33, Jeremiah Penery wrote: > >>On November 13, 2000 at 10:18:30, Robert Hyatt wrote: >> >>>On November 13, 2000 at 02:46:37, Jeremiah Penery wrote: >>> >>>>On November 12, 2000 at 02:42:20, Uri Blass wrote: >>>> >>>>>On November 12, 2000 at 01:41:43, Helmut Conrady wrote: >>>>> >>>>>>[D]8/8/8/2KR4/3R4/2k1b3/8/8 w - - >> >>My idea was not to use the 50-move counter, but something else. If the output >>looks like this: >> >> 8-> 0.13 4.50 1. Rd8 Bxd4+ 2. Rxd4 Kb2 3. Rd8 Ka1 >> 4. Kc6 Ka2 5. Rh8 >> 9 0.24 4.50 1. Rd8 Bxd4+ 2. Rxd4 Kb2 3. Rd8 Ka1 >> 4. Kc6 Ka2 5. Rh8 Ka1 >> 9-> 0.34 4.50 1. Rd8 Bxd4+ 2. Rxd4 Kb2 3. Rd8 Ka1 >> 4. Kc6 Ka2 5. Rh8 Ka1 >> 10 0.56 4.50 1. Rd8 Bxd4+ 2. Rxd4 Kb2 3. Rd8 Ka1 >> 4. Kc6 Ka2 5. Rh8 Ka1 6. Rg8 >> 10-> 0.76 4.50 1. Rd8 Bxd4+ 2. Rxd4 Kb2 3. Rd8 Ka1 >> 4. Kc6 Ka2 5. Rh8 Ka1 6. Rg8 >> >>Then to score it as a draw after 3 iterations where the same score is output. > >It is a bad idea because it is possible that 1.Rd8 Bxd4+ 2.Kd3 is winning so by >scoring Rd8 as a draw you are going to miss 1.Rd8 that is winning and play 1.Rd7 >that gives only 1.1 pawns advantage that is not enough to win. Yes, in this position, Rd8 Bxd4 Rxd4 is winning for black (Becomes KRK). However, black can push back capturing the rook until it can't be recaptured by the other rook (it's only a few ply). In any case, it should be seen easily, but instead Crafty sees +4.5.
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