both gauntlets are finished. Time control was 90+0.5 sec, 512 MB Hash for each engine, no EGTBs. (500 start positions randomly taken with the tool by Volker Annuss from Frank Quisinsky's SWCR Opening Database 4.1)
Here the outputs of cutechess-cli.
Stockfish 2.3.1 default:
Code: Select all
Rank Name ELO Games Score Draws
1 Stockfish 138 500 69% 35%
2 Critter1.6 28 100 54% 50%
3 Komodo3 -28 100 46% 52%
4 Hiarcs13.2 -168 100 28% 31%
5 Rybka4.1 -241 100 20% 28%
6 Gaviota0.84 -424 100 8% 14%
Finished match
*
Number of Draws by stalemate: 6
Number of Draws by insufficient material: 31
Number of Draws by 50 moves rule: 46
Number of Draws by 3-fold repetition: 92
Code: Select all
Rank Name ELO Games Score Draws
1 Stockfish-50MR 144 500 70% 29%
2 Critter1.6 85 100 62% 48%
3 Komodo3 -17 100 48% 43%
4 Hiarcs13.2 -191 100 25% 30%
5 Rybka4.1 -301 100 15% 18%
6 Gaviota0.84 -636 100 2% 5%
Finished match
*
Number of Draws by stalemate: 3
Number of Draws by insufficient material: 29
Number of Draws by 50 moves rule: 26
Number of Draws by 3-fold repetition: 86
Please notice the lower draw rate for the modified version, especially due to 50-moves rule.
Overall, it looks like a small win, though it seems to work better against weaker engines. Cutechess gives +6, Ordo gives +7.
All games available on demand. Hope this test was helpful.
Joerg