Set overload value to S(13,6)
STC:
LLR: 2.96 (-2.94,2.94) [0.00,4.00]
Total: 27606 W: 6371 L: 6094 D: 15141
http://tests.stockfishchess.org/tests/view/
5b5455840ebc5902bdb82425
LTC:
LLR: 2.95 (-2.94,2.94) [0.00,4.00]
Total: 112435 W: 19442 L: 18921 D: 74072
http://tests.stockfishchess.org/tests/view/
5b546d4a0ebc5902bdb82741
Closes https://github.com/official-stockfish/Stockfish/pull/1694
Bench:
4937000