Reintroduce #6259
Reintroduces af181d9, which no longer regresses on matetrack after #6286
Using ./stockfish on matetrack.epd with --nodes 1000000
Engine ID: Stockfish dev-20250902-adfddd2c
Total FENs: 6554
Found mates: 3490
Best mates: 2429
Passed Non-regression LTC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 37608 W: 9726 L: 9523 D: 18359
Ptnml(0-2): 16, 4001, 10578, 4182, 27
https://tests.stockfishchess.org/tests/view/68b886778f94a4e5a7fe77d9
closes https://github.com/official-stockfish/Stockfish/pull/6289
Bench: 2493363