From e5afd8b2baf249a287361fba7fbbdc380278c573 Mon Sep 17 00:00:00 2001 From: Fabian Fichter Date: Sun, 27 Dec 2020 13:21:42 +0100 Subject: [PATCH] Tweak material imbalance for losing chess giveaway STC LLR: 2.95 (-2.94,2.94) [0.00,10.00] Total: 6300 W: 2508 L: 2339 D: 1453 http://www.variantfishtest.org:6543/tests/view/5fe7aa166e23db221d9e96b8 giveaway LTC LLR: 2.95 (-2.94,2.94) [0.00,10.00] Total: 4503 W: 1694 L: 1554 D: 1255 http://www.variantfishtest.org:6543/tests/view/5fe7c1b06e23db221d9e96c3 losers STC LLR: 2.96 (-2.94,2.94) [-10.00,5.00] Total: 1284 W: 590 L: 538 D: 156 http://www.variantfishtest.org:6543/tests/view/5fe7c4ad6e23db221d9e96c7 losers LTC LLR: 2.98 (-2.94,2.94) [-10.00,5.00] Total: 1536 W: 691 L: 641 D: 204 http://www.variantfishtest.org:6543/tests/view/5fe854d46e23db221d9e96c9 --- src/material.cpp | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/src/material.cpp b/src/material.cpp index 539791c..2019929 100644 --- a/src/material.cpp +++ b/src/material.cpp @@ -116,7 +116,11 @@ namespace { } if (pos.must_capture()) - bonus += 3 * QuadraticOurs[KNIGHT][PAWN] * pieceCount[Us][KNIGHT] * pieceCount[Us][PAWN]; + bonus += (make_score(mg_value(QuadraticOurs[PAWN][PAWN]), 0) * pieceCount[Us][PAWN] + + 3 * QuadraticOurs[KNIGHT][PAWN] * pieceCount[Us][KNIGHT] + + QuadraticOurs[QUEEN][PAWN] * pieceCount[Us][QUEEN]) * pieceCount[Us][PAWN] + + make_score( mg_value(QuadraticOurs[KNIGHT][KNIGHT]), + -eg_value(QuadraticOurs[KNIGHT][KNIGHT])) * pieceCount[Us][KNIGHT] * pieceCount[Us][KNIGHT]; else if (pos.check_counting()) bonus -= 2 * QuadraticOurs[PAWN][PAWN] * pieceCount[Us][PAWN] * pieceCount[Us][PAWN]; -- 1.7.0.4