rnb1kbr1/1p1q1pp1/4p2p/p1pp4/3P1Pn1/1QP2K1N/PP2P1PP/RNB2BR1 b q - 1 12
FEN state: rnb1kbr1/1p1q1pp1/4p2p/p1pp4/3P1Pn1/1QP2K1N/PP2P1PP/RNB2BR1 b q - 1 12 ; Best move: e6e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at b7, black queen at d7, black pawn at f7 and black pawn at g7. Black pawn at e6 and black pawn at h6. Black pawn at a5, black pawn at c5 and black pawn at d5. White pawn at d4, white pawn at f4 and black knight at g4. White queen at b3, white pawn at c3, white king at f3 and white knight at h3. White pawn at a2, white pawn at b2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white rook at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 12. Black to move.