1nb1kbnr/r1qp1pp1/1p5p/1p2pP2/PPp4P/B1P5/R2PP1PR/3QKBN1 b k - 0 13
FEN state: 1nb1kbnr/r1qp1pp1/1p5p/1p2pP2/PPp4P/B1P5/R2PP1PR/3QKBN1 b k - 0 13 ; Best move: e5e4
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at a7, black queen at c7, black pawn at d7, black pawn at f7 and black pawn at g7. Black pawn at b6 and black pawn at h6. Black pawn at b5, black pawn at e5 and white pawn at f5. White pawn at a4, white pawn at b4, black pawn at c4 and white pawn at h4. White bishop at a3 and white pawn at c3. White rook at a2, white pawn at d2, white pawn at e2, white pawn at g2 and white rook at h2. White queen at d1, white king at e1, white bishop at f1 and white knight at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 13. Black to move.