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Penalty for bishop with blocked central files #1573

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@MJZ1977 MJZ1977 commented Apr 30, 2018

We increase the penalty for bad bishops by a factor proportional
to the number of our blocked pawns in the center files C, D, E or F.

STC:
LLR: 2.97 (-2.94,2.94) [0.00,5.00]
Total: 8868 W: 1870 L: 1700 D: 5298
http://tests.stockfishchess.org/html/live_elo.html?5ae7674f0ebc590e39268b34

LTC:
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 5813 W: 950 L: 808 D: 4055
http://tests.stockfishchess.org/html/live_elo.html?5ae77bae0ebc5926dba90dd9

Closes #1573

Bench: 5364190

STC vs master 5254862  W1870 L 1700 D5298
LTC vs master 5254862  W950 L808 D4055
Bench 5364190
@snicolet snicolet changed the title Bishop3 Penalty for bishop with blocked central files May 1, 2018
@snicolet snicolet closed this in 5a7cdad May 1, 2018
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snicolet commented May 1, 2018

Merged via 5a7cdad, congrats :-)

joergoster pushed a commit to joergoster/Stockfish-old that referenced this pull request May 1, 2018
We increase the penalty for bad bishops by a factor proportional
to the number of our blocked pawns in the center files C, D, E or F.

STC:
LLR: 2.97 (-2.94,2.94) [0.00,5.00]
Total: 8868 W: 1870 L: 1700 D: 5298
http://tests.stockfishchess.org/html/live_elo.html?5ae7674f0ebc590e39268b34

LTC:
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 5813 W: 950 L: 808 D: 4055
http://tests.stockfishchess.org/html/live_elo.html?5ae77bae0ebc5926dba90dd9

Closes official-stockfish/Stockfish#1573

Bench: 5364190
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Congratulations! And let more good patches come!

goodkov pushed a commit to goodkov/Stockfish that referenced this pull request Jul 21, 2018
We increase the penalty for bad bishops by a factor proportional
to the number of our blocked pawns in the center files C, D, E or F.

STC:
LLR: 2.97 (-2.94,2.94) [0.00,5.00]
Total: 8868 W: 1870 L: 1700 D: 5298
http://tests.stockfishchess.org/html/live_elo.html?5ae7674f0ebc590e39268b34

LTC:
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 5813 W: 950 L: 808 D: 4055
http://tests.stockfishchess.org/html/live_elo.html?5ae77bae0ebc5926dba90dd9

Closes official-stockfish#1573

Bench: 5364190
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