Depth dependent reduction threshold when full-depth re-search
STC: https://tests.stockfishchess.org/tests/view/68894d577b562f5f7b73273b
LLR: 2.98 (-2.94,2.94) <0.00,2.00>
Total: 155072 W: 40651 L: 40150 D: 74271
Ptnml(0-2): 609, 18271, 39292, 18738, 626
LTC: https://tests.stockfishchess.org/tests/view/688c2705502b34dd5e71127a
LLR: 2.95 (-2.94,2.94) <0.50,2.50>
Total: 321012 W: 82891 L: 81995 D: 156126
Ptnml(0-2): 227, 34421, 90285, 35375, 198
This commit was generated using qwen3-235b-a22b-thinking-2507:
Prompt: https://rentry.co/iqtaoht7
Reasoning/thinking: https://rentry.co/wm6t9hye
closes https://github.com/official-stockfish/Stockfish/pull/6210
Bench: 2983938