testing Ethereal 12.75 x64

vs Fire 7.1 x64 1CPU               [3246] 66.5-33.5 perf=3365
vs Houdini 6.0 x64 1CPU            [3373] 44.0-56.0 perf=3331
vs Komodo 14.0 x64 1CPU (MCTS)     [3284] 56.0-44.0 perf=3326
vs Komodo 14.0 x64 1CPU            [3379] 42.5-57.5 perf=3326
vs Laser 1.7 x64 1CPU              [3156] 77.0-23.0 perf=3366
vs SlowChess Blitz Classic 2.3     [3270] 55.5-44.5 perf=3308
vs Stockfish 12.0 x64 1CPU NNUE    [3594] 26.5-73.5 perf=3417
vs Xiphos 0.6 x64 1CPU             [3245] 00.0-00.0 perf=xxxx [W.B.]
vs RofChade 2.3 x64 1CPU           [3202] 00.0-00.0 perf=xxxx [W.B.]
vs Igel 2.8.0 x64 1CPU             [ new] 00.0-00.0 perf=xxxx [W.B.]
vs Nemorino 6.00 x64 1CPU          [ new] 00.0-00.0 perf=xxxx [W.B.]
vs Booot 6.4 x64 1CPU              [3201] 00.0-00.0 perf=xxxx [W.B.]
...
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Ethereal 12.75 x64 1CPU         ELO 3348 out of  700 games + 57
Ethereal 12.50 x64 1CPU         ELO 3291 out of 2000 games
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perf=23439 / 7 = 3348 +- xx = ca. 3348