Tweaking Mobility and Safe Check

Passed STC:
https://tests.stockfishchess.org/tests/view/5f70d86d3b22d6afa50693b9
LLR: 2.94 (-2.94,2.94) {-0.25,1.25}
Total: 100368 W: 20323 L: 19914 D: 60131
Ptnml(0-2): 1927, 11641, 22605, 12118, 1893

Passed LTC:
https://tests.stockfishchess.org/tests/view/5f71bb553b22d6afa5069457
LLR: 2.94 (-2.94,2.94) {0.25,1.25}
Total: 77648 W: 10613 L: 10181 D: 56854
Ptnml(0-2): 634, 7280, 22594, 7652, 664

closes https://github.com/official-stockfish/Stockfish/pull/3160

Bench: 3861984

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 710898bc15d5929eed398c4dd120e80cf50b3f6a..fe92f7d7bcd9852296db2445f457e411f4106fb0 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -199,7 +199,7 @@ namespace {
   // SafeCheck[PieceType][single/multiple] contains safe check bonus by piece type,
   // higher if multiple safe checks are possible for that piece type.
   constexpr int SafeCheck[][2] = {
   // SafeCheck[PieceType][single/multiple] contains safe check bonus by piece type,
   // higher if multiple safe checks are possible for that piece type.
   constexpr int SafeCheck[][2] = {

-      {}, {}, {792, 1283}, {645, 967}, {1084, 1897}, {772, 1119}
+      {}, {}, {803, 1292}, {639, 974}, {1087, 1878}, {759, 1132}

   };
 
 #define S(mg, eg) make_score(mg, eg)
   };
 
 #define S(mg, eg) make_score(mg, eg)


@@ -207,19 +207,19 @@ namespace {
   // MobilityBonus[PieceType-2][attacked] contains bonuses for middle and end game,
   // indexed by piece type and number of attacked squares in the mobility area.
   constexpr Score MobilityBonus[][32] = {
   // MobilityBonus[PieceType-2][attacked] contains bonuses for middle and end game,
   // indexed by piece type and number of attacked squares in the mobility area.
   constexpr Score MobilityBonus[][32] = {

-    { S(-62,-81), S(-53,-56), S(-12,-31), S( -4,-16), S(  3,  5), S( 13, 11), // Knight
-      S( 22, 17), S( 28, 20), S( 33, 25) },
-    { S(-48,-59), S(-20,-23), S( 16, -3), S( 26, 13), S( 38, 24), S( 51, 42), // Bishop
-      S( 55, 54), S( 63, 57), S( 63, 65), S( 68, 73), S( 81, 78), S( 81, 86),
-      S( 91, 88), S( 98, 97) },
-    { S(-60,-78), S(-20,-17), S(  2, 23), S(  3, 39), S(  3, 70), S( 11, 99), // Rook
-      S( 22,103), S( 31,121), S( 40,134), S( 40,139), S( 41,158), S( 48,164),
-      S( 57,168), S( 57,169), S( 62,172) },
-    { S(-30,-48), S(-12,-30), S( -8, -7), S( -9, 19), S( 20, 40), S( 23, 55), // Queen
-      S( 23, 59), S( 35, 75), S( 38, 78), S( 53, 96), S( 64, 96), S( 65,100),
-      S( 65,121), S( 66,127), S( 67,131), S( 67,133), S( 72,136), S( 72,141),
-      S( 77,147), S( 79,150), S( 93,151), S(108,168), S(108,168), S(108,171),
-      S(110,182), S(114,182), S(114,192), S(116,219) }
+    { S(-62,-79), S(-53,-57), S(-12,-31), S( -3,-17), S(  3,  7), S( 12, 13), // Knight
+      S( 21, 16), S( 28, 21), S( 37, 26) },
+    { S(-47,-59), S(-20,-25), S( 14, -8), S( 29, 12), S( 39, 21), S( 53, 40), // Bishop
+      S( 53, 56), S( 60, 58), S( 62, 65), S( 69, 72), S( 78, 78), S( 83, 87),
+      S( 91, 88), S( 96, 98) },
+    { S(-61,-82), S(-20,-17), S(  2, 23) ,S(  3, 40), S(  4, 72), S( 11,100), // Rook
+      S( 22,104), S( 31,120), S( 39,134), S(40 ,138), S( 41,158), S( 47,163),
+      S( 59,168), S( 60,169), S( 64,173) },
+    { S(-29,-49), S(-16,-29), S( -8, -8), S( -8, 17), S( 18, 39), S( 25, 54), // Queen
+      S( 23, 59), S( 37, 73), S( 41, 76), S( 54, 95), S( 65, 95) ,S( 68,101),
+      S( 69,124), S( 70,128), S( 70,132), S( 70,133) ,S( 71,136), S( 72,140),
+      S( 74,147), S( 76,149), S( 90,153), S(104,169), S(105,171), S(106,171),
+      S(112,178), S(114,185), S(114,187), S(119,221) }

   };
 
   // KingProtector[knight/bishop] contains penalty for each distance unit to own king
   };
 
   // KingProtector[knight/bishop] contains penalty for each distance unit to own king