fix #1: invalid knight moves bitboard for A3 square

dechristopher · Mar 7, 2021 · c74c71b · c74c71b
1 parent 0796e4c
commit c74c71b
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/engine.go b/engine.go
@@ -380,7 +380,7 @@ var (
  4122, // B2
  32901, // C2
  16450, // D2
- 16946, // A3
+ 16898, // A3
  41217, // B3
  22536, // C3
  9220, // D3

diff --git a/move_test.go b/move_test.go
@@ -21,10 +21,10 @@ type perfTest struct {
 // https://www.chessprogramming.org/Perft_Results
 var perfResults = []perfTest{
  {pos: unsafeOFEN("ppkn/4/4/NKPP w NCFncf - 0 1"), nodesPerDepth: []int{
- 10, 84, 642, 4373, 29389, 185151,
+ 10, 84, 642, 4375, 29309, 183931,
  }},
  {pos: unsafeOFEN("ppkn/4/2P1/NK1P w NCFncf - 0 1"), nodesPerDepth: []int{
- 10, 75, 538, 3432,
+ 10, 75, 538, 3433,
  }},
 }