Hi BB,

Thanks for the response however there are still questions that have not been answered. #1 what governs when ev= is used versus wv= and #2 why is the sign of the evaluation I posted negative for both white and blacks move??

Thanks,

Les

Following is a small snippet from a output file from a TCEC pgn game.

139.Rxd6 { ev=-0.64, d=22, pd=Qxd6, mt=00:00:53, tl=00:03:50, s=3219 kN/s, n=75780854, pv=Rxd6 Qxd6 Re7 Qd5 Kg1 Bd6 Rd7 Qf3 Qe1 Bb4 Qa1 Kh7 Qd1 Qxh3 Kf2 Bc5 Ke1 Qe3 Qe2 Qc3, tb=0, R50=50, }
Qxd6 { ev=-0.77, d=22, pd=Re7, mt=00 ...