From e3a8b8bcff893d078e219637b3d0dcaeaa04beb2 Mon Sep 17 00:00:00 2001 From: =?utf8?q?St=C3=A9phane=20Nicolet?= Date: Mon, 2 Jan 2017 09:33:40 +0100 Subject: [PATCH] Simplify unstoppable again (#950) Assign a small bonus for our passed pawns when the opponent has no pieces left. STC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 51124 W: 9036 L: 8966 D: 33122 LTC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 114560 W: 14604 L: 14604 D: 85352 Bench: 4940355 --- src/evaluate.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/evaluate.cpp b/src/evaluate.cpp index ed43ce7f..af7a9d34 100644 --- a/src/evaluate.cpp +++ b/src/evaluate.cpp @@ -672,8 +672,8 @@ namespace { mbonus += rr + r * 2, ebonus += rr + r * 2; } // rr != 0 - // Assign a small bonus when no pieces left (unstoppable) - if (!pos.non_pawn_material(Us) && !pos.non_pawn_material(Them)) + // Assign a small bonus when the opponent has no pieces left + if (!pos.non_pawn_material(Them)) ebonus += 20; score += make_score(mbonus, ebonus) + PassedFile[file_of(s)]; -- 2.39.2