ID pondering

[0qln]

ccbench against main with pondering:

Score of ccbench/in/builds/nephrid-b95ab5e vs
ccbench/in/builds/nephrid-fe91b47: 119 - 31 - 250  [0.610] 400
...      ccbench/in/builds/nephrid-b95ab5e playing White: 64 - 15 - 122 [0.622] 201
...      ccbench/in/builds/nephrid-b95ab5e playing Black: 55 - 16 - 128 [0.598] 199
...      White vs Black: 80 - 70 - 250  [0.512] 400
Elo difference: 77.7 +/- 20.4, LOS: 100.0 %, DrawRatio: 62.5 %
SPRT: llr 1.57 (53.2%), lbound -2.94, ubound 2.94

ccbench against main without pondering:

Score of ccbench/in/builds/nephrid-c57ed44 vs ccbench/in/builds/nephrid-fe91b47: 327 - 314 - 909  [0.504] 1550
...      ccbench/in/builds/nephrid-c57ed44 playing White: 179 - 152 - 443  [0.517] 774
...      ccbench/in/builds/nephrid-c57ed44 playing Black: 148 - 162 - 466  [0.491] 776
...      White vs Black: 341 - 300 - 909  [0.513] 1550
Elo difference: 2.9 +/- 11.1, LOS: 69.6 %, DrawRatio: 58.6 %
SPRT: llr 0.119 (4.0%), lbound -2.94, ubound 2.94