Author: Uri Blass
Date: 09:29:34 04/22/01
Tiger14(depth 3)-Deep Fritz(depth 3) 16.5-3.5 Tiger14(depth 4)-Deep Fritz(depth 4) 7.5-12.5 Tiger14(depth 5)-Deep Fritz(depth 5) 13-7 Tiger14(depth 6)-Deep Fritz(depth 6) 14-6 Tiger14(depth 7)-Deep Fritz(depth 7) 13.5-6.5 Tiger14(depth 8)-Deep Fritz(depth 8) 10.5-9.5 Tiger14(depth 9)-Deep Fritz(depth 9) 14-6 Tiger14(depth 10)-Deep Fritz(depth 10) 9.5-10.5 Tiger14(depth 4)-Deep Fritz(depth 3) 17.5-2.5 Tiger14(depth 5)-Deep Fritz(depth 4) 19-1 Tiger14(depth 6)-Deep Fritz(depth 5) 18-2 Tiger14(depth 7)-Deep Fritz(depth 6) 15-5 Tiger14(depth 3)-Deep Fritz(depth 4) 6-14 Tiger14(depth 4)-Deep Fritz(depth 5) 8-12(this result should be 12.5-7.5 but deep fritz failed to mate because of having only part of the tablebases and the engines agreed to a draw in a position that the evaluation was mate against tiger). Tiger14(depth 5)-Deep Fritz(depth 6) 7-13 Tiger14(depth 6)-Deep Fritz(depth 7) 8-12 Tiger14(depth 7)-Deep Fritz(depth 8) 7-13 The advantage of one ply seems to be very significant in the nunn match and you can see that the side that searched deeper won in all the matches. Deep Fritz at depth X seems to be 100 about elo better than Tiger at depth X-1 when Tiger14 at depth X seems to be more than 200 elo better than Tiger14. It means that at small depthes 1 ply is probably worth at least 150 elo rating for the nunn match. There is of course a significant statistical error and we need more games. Uri
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