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Chess engine: Berserk 4.2.0

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Berserk - UCI chess engine ( written in C).
Author: Jay Honnold  Rating JCER=2794

v.4.2.0.
Changes
King safety pawn shelter tuned
LMR depth adjustment
2 -> 3
Using Ed's IIR instead of IID
Tuned reverse futility pruning cutoffs
[62,132,220...] -> [65,135,220,...]
Removed bad rook evaluation terms
Adjusted delta pruning cutoff
200 -> 150
Random draw values
Dragon Bishop (Long diagonal)
TT utilized in QSearch
Time adjusted to be around window expansions
Double singular extension (sf inspired)
Prob Cut
Pinned pieces in king safety
Recapture extension
History heuristic rewrite
Using a more standard formula rather than numerator/divisor
Late Move Pruning adjustments
Bugs
Transposition table depth issue
Transposition table bucket issue
KPK


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