rn5r/p2kb1p1/2p1p2n/1q3p1p/1p2PP2/3P3P/PPP3PR/RNB1KQN1 b Q - 3 12
FEN state: rn5r/p2kb1p1/2p1p2n/1q3p1p/1p2PP2/3P3P/PPP3PR/RNB1KQN1 b Q - 3 12 ; Best move: f5e4
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at h8. Black pawn at a7, black king at d7, black bishop at e7 and black pawn at g7. Black pawn at c6, black pawn at e6 and black knight at h6. Black queen at b5, black pawn at f5 and black pawn at h5. Black pawn at b4, white pawn at e4 and white pawn at f4. White pawn at d3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white queen at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 3. Full move number is 12. Black to move.