Encourage rook lift to third rank

[stockfish] / src / psqt.cpp

diff --git a/src/psqt.cpp b/src/psqt.cpp
index 36d99feb7e05280ce9ee6aacc9ab84aec8ebd8d8..2b06931c6f9ed87b69347dbe052b1a5b5cebbe47 100644 (file)
--- a/src/psqt.cpp
+++ b/src/psqt.cpp
@@ -61,7 +61,7 @@ constexpr Score Bonus[][RANK_NB][int(FILE_NB) / 2] = {
   { // Rook
    { S(-24, -2), S(-13,-6), S(-7, -3), S( 2,-2) },
    { S(-18,-10), S(-10,-7), S(-5,  1), S( 9, 0) },
   { // Rook
    { S(-24, -2), S(-13,-6), S(-7, -3), S( 2,-2) },
    { S(-18,-10), S(-10,-7), S(-5,  1), S( 9, 0) },

-   { S(-21, 10), S( -7,-4), S( 3,  2), S(-1,-2) },
+   { S(-21, 10), S( -7,-4), S( 3,  2), S( 7,-2) },

    { S(-13, -5), S( -5, 2), S(-4, -8), S(-6, 8) },
    { S(-24, -8), S(-12, 5), S(-1,  4), S( 6,-9) },
    { S(-24,  3), S( -4,-2), S( 4,-10), S(10, 7) },
    { S(-13, -5), S( -5, 2), S(-4, -8), S(-6, 8) },
    { S(-24, -8), S(-12, 5), S(-1,  4), S( 6,-9) },
    { S(-24,  3), S( -4,-2), S( 4,-10), S(10, 7) },