Author: Mark Young
Date: 00:08:42 11/16/98
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On November 15, 1998 at 20:07:05, Howard Exner wrote: >Although Rebel doesn't have fancy names for different chess playing >personalities it does offer lots of flexibility in the various settings, >AntiGM, Selection, Combination and Playstyle. Some settings I notice can >detect best moves a ply earlier, usually when one sets Selection lower to say, >3 (for endgames) and 4 for middlegame positions. These positions for example >are solved much quicker when selection is set to 4, AntiGM=Strong and >playStyle = Active or Aggressive. > >4r1k1/p1pb1ppp/Qbp1r3/8/1P6/2Pq1B2/R2P1PPP/2B2RK1 b - - id Ren5 - Qxf3; bm d3f3; >rr3qk1/1b3p2/4pPp1/1pppP3/p6Q/PnPP2P1/1P3PB1/R3R1K1 w - - id Kh2 - Cmb; bm Kh2; >8/p5Nk/3B2pp/8/2PP1pn1/4p3/P3P1Bq/R2R1K2 b - - id Nf2 - Cmb; bm Nf2; > >Overall my favoutite choice is AntiGM=Strong, PlayStlye=Agressive and >Selection=Normal. I like Rebel's use of Normal Selection setting as it >adapts itself to the position. Sometimes it misses as in the above 3 examples >but overall it seems to hit on the right choice based on the positions I've been >testing. > That is my favorite setting also when I play. My hunch is this setting will be weaker overall playing strong players and computers, at long time controls. But it is just a guess. >I'm wondering as Computers get faster will the Selection settings >get smaller. Too high a selection setting sometimes makes Rebel not consider >certain moves for more than a brief passing. Will added speed allow the program >to spend a bit of extra time on a wider range of moves so as to not miss >something (as in the trend of Rebel 10, which according to the description on >Ed's homepage that the selection settings where reduced overall)? > >Anyone else experimenting with the different parameters that chess programs >offer? I am aware of the CM series alternate settings. How about other >programs?
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