testing Ethereal 12.25 x64

vs Fritz 17 x64 2CPU               [3183] 64.0-36.0 perf=3283
vs Ginkgo 2.18 x64 1CPU            [3159] 62.0-38.0 perf=3244
vs Komodo 14.0 x64 1CPU (MCTS)     [3286] 47.5-52.5 perf=3269
vs RofChade 2.3 x64 1CPU           [3204] 65.5-34.5 perf=3315 !
vs Schooner 2.2 x64 1CPU           [3186] 67.0-33.0 perf=3309 !
vs Stockfish 10.0 x64 1CPU         [3451] 32.5-67.5 perf=3324 !
vs Xiphos 0.6 x64 1CPU             [3245] 53.5-46.5 perf=3269
vs Stockfish 20200530 x64 1CPU     [3523] 20.5-79.5 perf=3288 [W.B.]
vs Komodo 14.0 x64 1CPU            [3378] 36.5-63.5 perf=3282 [W.B.]
vs Houdini 6.0 x64 1CPU            [3373] 41.0-59.0 perf=3310 [W.B.]
vs Booot 6.4 x64 1CPU              [3197] 55.0-45.0 perf=3231 ![W.B.]
vs SlowChessClassic 2.2 x64 1CPU   [ new] 51.5-48.5 perf= +10 [W.B.]
vs RubiChess 1.7.3 x64 1CPU        [3143] 64.0-36.0 perf=3243 [W.B.]
...
================================================================
Ethereal 12.25 x64 1CPU         ELO 3280 out of 1200 games + 27
Ethereal 12.00 x64 1CPU         ELO 3253 out of 3700 games
================================================================

perf=39367 / 12 = 3280 +- xx = ca. 3280