r1bqk3/p1p2pr1/n3p1pp/1P1pN3/P5P1/b2P3n/NPQ1PP1P/1RB1KBR1 b q - 3 14
FEN state: r1bqk3/p1p2pr1/n3p1pp/1P1pN3/P5P1/b2P3n/NPQ1PP1P/1RB1KBR1 b q - 3 14 ; Best move: a6b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black king at e8. Black pawn at a7, black pawn at c7, black pawn at f7 and black rook at g7. Black knight at a6, black pawn at e6, black pawn at g6 and black pawn at h6. White pawn at b5, black pawn at d5 and white knight at e5. White pawn at a4 and white pawn at g4. Black bishop at a3, white pawn at d3 and black knight at h3. White knight at a2, white pawn at b2, white queen at c2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at g1. Black queenside is the only castle move available. Half move number is 3. Full move number is 14. Black to move.