rnb1kbn1/Np4pr/p3pp2/2p1N3/2pP1PP1/2q1P2P/P3K3/1R3B1R b q - 0 15
FEN state: rnb1kbn1/Np4pr/p3pp2/2p1N3/2pP1PP1/2q1P2P/P3K3/1R3B1R b q - 0 15 ; Best move: a8a7
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 knight at g8. White knight at a7, black pawn at b7, black pawn at g7 and black rook at h7. Black pawn at a6, black pawn at e6 and black pawn at f6. Black pawn at c5 and white knight at e5. Black pawn at c4, white pawn at d4, white pawn at f4 and white pawn at g4. Black queen at c3, white pawn at e3 and white pawn at h3. White pawn at a2 and white king at e2. White rook at b1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 15. Black to move.