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Chess engine: Stockfish 22121917 NNUE for Windows and Linux (+1.38)

on


Stockfish 22121917 - UCI chess engine, compiled by VoyagerOne
Rating CEDR=3748

Timestamp: 1671469872
Reintroduce doEvenDeeperSearch

This patch is basically the same as a reverted patch but now has some guarding against search being stuck - the same way as we do with double extensions. This should help with
search explosions - albeit slowly but they eventually should be resolved.

passed STC:
https://tests.stockfishchess.org/tests/view/639733d0b4e52c95053f3485
LLR: 2.95 (-2.94,2.94) <0.00,2.00>
Total: 514048 W: 136423 L: 135435 D: 242190 Elo +0.67
Ptnml(0-2): 1425, 56945, 139420, 57685, 1549

passed LTC:
https://tests.stockfishchess.org/tests/view/639ab79b93ed41c57eded5c3
LLR: 2.95 (-2.94,2.94) <0.50,2.50>
Total: 113800 W: 30642 L: 30190 D: 52968 Elo +1.38
Ptnml(0-2): 53, 11092, 34178, 11504, 73

closes https://github.com/official-stockfish/Stockfish/pull/4287
bench 3611278

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