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Code Issues Releases Wiki Activity

Update elo estimates

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Tests used to change the elo worth of some functions:

https://tests.stockfishchess.org/tests/view/65c3f69dc865510db0283eef
https://tests.stockfishchess.org/tests/view/65c3f935c865510db0283f2a
https://tests.stockfishchess.org/tests/view/65d1489f1d8e83c78bfd7dbf
https://tests.stockfishchess.org/tests/view/65ce9d361d8e83c78bfd4951
https://tests.stockfishchess.org/tests/view/65cfcd901d8e83c78bfd6184

closes https://github.com/official-stockfish/Stockfish/pull/5089

No functional change
This commit is contained in:
FauziAkram 2024-03-04 16:13:36 +03:00 • committed by Disservin
parent a615efb19f
commit a96b0d4609
2 changed files with 6 additions and 6 deletions
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8
src/search.cpp
View file

@ -614,7 +614,7 @@ Value Search::Worker::search(
update_quiet_stats(pos, ss, *this, ttMove, stat_bonus(depth)); update_quiet_stats(pos, ss, *this, ttMove, stat_bonus(depth));
// Extra penalty for early quiet moves of // Extra penalty for early quiet moves of
// the previous ply (~0 Elo on STC, ~2 Elo on LTC). // the previous ply (~1 Elo on STC, ~2 Elo on LTC)
if (prevSq != SQ_NONE && (ss - 1)->moveCount <= 2 && !priorCapture) if (prevSq != SQ_NONE && (ss - 1)->moveCount <= 2 && !priorCapture)
update_continuation_histories(ss - 1, pos.piece_on(prevSq), prevSq, update_continuation_histories(ss - 1, pos.piece_on(prevSq), prevSq,
-stat_malus(depth + 1)); -stat_malus(depth + 1));
@ -1067,7 +1067,7 @@ moves_loop: // When in check, search starts here
extension = -1; extension = -1;
} }
// Recapture extensions (~1 Elo) // Recapture extensions (~0 Elo on STC, ~1 Elo on LTC)
else if (PvNode && move == ttMove && move.to_sq() == prevSq else if (PvNode && move == ttMove && move.to_sq() == prevSq
&& thisThread->captureHistory[movedPiece][move.to_sq()] && thisThread->captureHistory[movedPiece][move.to_sq()]
[type_of(pos.piece_on(move.to_sq()))] [type_of(pos.piece_on(move.to_sq()))]
@ -1105,7 +1105,7 @@ moves_loop: // When in check, search starts here
if (ttCapture) if (ttCapture)
r++; r++;
// Decrease reduction for PvNodes (~3 Elo) // Decrease reduction for PvNodes (~0 Elo on STC, ~2 Elo on LTC)
if (PvNode) if (PvNode)
r--; r--;
@ -1167,7 +1167,7 @@ moves_loop: // When in check, search starts here
// Step 18. Full-depth search when LMR is skipped // Step 18. Full-depth search when LMR is skipped
else if (!PvNode || moveCount > 1) else if (!PvNode || moveCount > 1)
{ {
// Increase reduction if ttMove is not present (~1 Elo) // Increase reduction if ttMove is not present (~6 Elo)
if (!ttMove) if (!ttMove)
r += 2; r += 2;

4
src/timeman.cpp
View file

@ -89,8 +89,8 @@ void TimeManagement::init(Search::LimitsType& limits,
- moveOverhead * (2 + mtg)); - moveOverhead * (2 + mtg));
// x basetime (+ z increment) // x basetime (+ z increment)
// If there is a healthy increment, timeLeft can exceed actual available // If there is a healthy increment, timeLeft can exceed the actual available
// game time for the current move, so also cap to 20% of available game time. // game time for the current move, so also cap to a percentage of available game time.
if (limits.movestogo == 0) if (limits.movestogo == 0)
{ {
// Use extra time with larger increments // Use extra time with larger increments