rnq1k3/2p1ppr1/1Bb2n1b/p2p2pp/1P1P4/N1P2PPN/PQ2P2P/1R2KB1R b q - 2 15
FEN state: rnq1k3/2p1ppr1/1Bb2n1b/p2p2pp/1P1P4/N1P2PPN/PQ2P2P/1R2KB1R b q - 2 15 ; Best move: c7b6
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8 and black king at e8. Black pawn at c7, black pawn at e7, black pawn at f7 and black rook at g7. White bishop at b6, black bishop at c6, black knight at f6 and black bishop at h6. Black pawn at a5, black pawn at d5, black pawn at g5 and black pawn at h5. White pawn at b4 and white pawn at d4. White knight at a3, white pawn at c3, white pawn at f3, white pawn at g3 and white knight at h3. White pawn at a2, white queen at b2, white pawn at e2 and white pawn at h2. White rook at b1, white king at e1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 15. Black to move.