Weak Pawns Penalty Weak Pawns Penalty on open file Connected Pawns [wpe3 vs wpd4] bonus +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 8 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 8 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 8 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 08 | 12 | 12 | 12 | 12 | 12 | 12 | 08 | 7 | 08 | 12 | 12 | 12 | 12 | 12 | 12 | 08 | 7 | 24 | 32 | 32 | 36 | 36 | 36 | 32 | 32 | 7 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 08 | 08 | 08 | 08 | 08 | 08 | 08 | 08 | 6 | 08 | 16 | 32 | 40 | 40 | 32 | 16 | 08 | 6 | 16 | 24 | 24 | 32 | 32 | 32 | 24 | 24 | 6 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 08 | 12 | 12 | 08 | 08 | 12 | 12 | 08 | 5 | 08 | 12 | 24 | 24 | 24 | 24 | 12 | 08 | 5 | 12 | 16 | 20 | 20 | 20 | 20 | 16 | 16 | 5 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 04 | 12 | 12 | 08 | 08 | 12 | 12 | 04 | 4 | 08 | 12 | 24 | 24 | 24 | 24 | 12 | 08 | 4 | 08 | 12 | 16 | 16 | 16 | 12 | 08 | 08 | 4 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 00 | 08 | 12 | 16 | 16 | 12 | 08 | 00 | 3 | 08 | 08 | 24 | 32 | 32 | 24 | 08 | 08 | 3 | 04 | 04 | 04 | 04 | 04 | 04 | 00 | 00 | 3 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 00 | 04 | 08 | 16 | 16 | 08 | 04 | 00 | 2 | 08 | 08 | 16 | 32 | 32 | 16 | 08 | 08 | 2 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 2 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 1 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 1 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 1 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ a b c d e f g h a b c d e f g h a b c d e f g h Connected Pawns [wpe4 vs wpd4] bonus Passed Pawns [base] Passed Pawns King Connection bonus +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 8 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 8 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 8 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 7 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 7 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 7 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 32 | 32 | 36 | 36 | 36 | 36 | 32 | 32 | 6 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 6 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 6 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 20 | 24 | 32 | 32 | 32 | 32 | 24 | 24 | 5 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 5 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 5 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 12 | 16 | 24 | 24 | 24 | 20 | 08 | 08 | 4 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 4 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 4 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 04 | 04 | 04 | 04 | 04 | 04 | 00 | 00 | 3 | 07 | 07 | 07 | 07 | 07 | 07 | 07 | 07 | 3 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 3 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 2 | 07 | 07 | 07 | 07 | 07 | 07 | 07 | 07 | 2 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 2 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 1 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 00 | 1 | 08 | 08 | 08 | 08 | 08 | 08 | 08 | 08 | 1 +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ +----+----+----+----+----+----+----+----+ a b c d e f g h a b c d e f g h a b c d e f g h