🔍 Implement razoring

[eduherminio]

Initial impl, wrong

Score of Lynx 1606 - razoring vs Lynx 1605 - main: 13 - 170 - 17  [0.107] 200
...      Lynx 1606 - razoring playing White: 8 - 81 - 11  [0.135] 100
...      Lynx 1606 - razoring playing Black: 5 - 89 - 6  [0.080] 100
...      White vs Black: 97 - 86 - 17  [0.527] 200
Elo difference: -367.7 +/- 71.2, LOS: 0.0 %, DrawRatio: 8.5 %
SPRT: llr -2.95 (-100.2%), lbound -2.94, ubound 2.94 - H0 was accepted

1613 WIP, ruins long running tests:

Score of Lynx 1613 razoring maxdepth 3 vs Lynx 1605 - main: 11957 - 11632 - 7931  [0.505] 31520
...      Lynx 1613 razoring maxdepth 3 playing White: 7492 - 4346 - 3922  [0.600] 15760
...      Lynx 1613 razoring maxdepth 3 playing Black: 4465 - 7286 - 4009  [0.411] 15760
...      White vs Black: 14778 - 8811 - 7931  [0.595] 31520
Elo difference: 3.6 +/- 3.3, LOS: 98.3 %, DrawRatio: 25.2 %
SPRT: llr 1.89 (64.1%), lbound -2.94, ubound 2.94

1614: 👍🏽 although it ruins fast (draw detection) and long running tests

Score of Lynx 1614 - razoring vs Lynx 1605 - main: 2629 - 2429 - 1828  [0.515] 6886
...      Lynx 1614 - razoring playing White: 1670 - 896 - 877  [0.612] 3443
...      Lynx 1614 - razoring playing Black: 959 - 1533 - 951  [0.417] 3443
...      White vs Black: 3203 - 1855 - 1828  [0.598] 6886
Elo difference: 10.1 +/- 7.0, LOS: 99.8 %, DrawRatio: 26.5 %
SPRT: llr 2.95 (100.1%), lbound -2.94, ubound 2.94 - H1 was accepted

Example of one of the passing, but super long tests:

• Passed Mate_in_4_Collection("bK1N2N1/5Qnr/2p4p/2pnk3/8/1p1BPP2/6rp/7q w - - 0 1 ",["d3c4"],"") [2 h 32 m]

1675, double checking after latest changes
8+0.08:

Score of Lynx 1675 - razoring vs Lynx 1674 - main: 1949 - 1759 - 1195  [0.519] 4903
...      Lynx 1675 - razoring playing White: 1227 - 629 - 596  [0.622] 2452
...      Lynx 1675 - razoring playing Black: 722 - 1130 - 599  [0.417] 2451
...      White vs Black: 2357 - 1351 - 1195  [0.603] 4903
Elo difference: 13.5 +/- 8.5, LOS: 99.9 %, DrawRatio: 24.4 %
SPRT: llr 2.95 (100.0%), lbound -2.94, ubound 2.94 - H1 was accepted