Less LMR for losing chess variants

Less LMR for losing chess variants

giveaway STC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 617 W: 304 L: 208 D: 105
http://35.161.250.236:6543/tests/view/5cb19ce66e23db76ed2526f0

giveaway LTC
LLR: 2.94 (-2.94,2.94) [0.00,10.00]
Total: 906 W: 401 L: 305 D: 200
http://35.161.250.236:6543/tests/view/5cb1ad106e23db76ed2526f5

losers STC
LLR: 2.96 (-2.94,2.94) [-10.00,5.00]
Total: 882 W: 441 L: 383 D: 58
http://35.161.250.236:6543/tests/view/5cb1b5b96e23db76ed2526f8

losers LTC
LLR: 2.96 (-2.94,2.94) [-10.00,5.00]
Total: 1471 W: 704 L: 651 D: 116
http://35.161.250.236:6543/tests/view/5cb1c3776e23db76ed2526fe