1rb1kbnr/p1q1p1pp/3p1p2/1pp5/6PP/P1Pn1PRB/3PP2N/RNB1QK2 b k - 2 15
FEN state: 1rb1kbnr/p1q1p1pp/3p1p2/1pp5/6PP/P1Pn1PRB/3PP2N/RNB1QK2 b k - 2 15 ; Best move: d3e1
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black queen at c7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at d6 and black pawn at f6. Black pawn at b5 and black pawn at c5. White pawn at g4 and white pawn at h4. White pawn at a3, white pawn at c3, black knight at d3, white pawn at f3, white rook at g3 and white bishop at h3. White pawn at d2, white pawn at e2 and white knight at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at e1 and white king at f1. Black kingside is the only castle move available. Half move number is 2. Full move number is 15. Black to move.