first try at dynamic Root Q based drawscore adjustment. #1740
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This patch adjusts draw score for side to move and for opponent based the current on Root Q.
If Root Q is negative, side to move has the upperhand, and the even draw score is reduced by 1/100 of the new parameter
DrawScoreDelta
, and the odd draw score is increased.If Root Q is positive, side to move is worse and the even draw score is increased and the odd draw sore is decreased.