r1bq2k1/1pppp3/p1n2r1p/2P2p1P/2PP2pN/N3P1PR/PB2P2Q/R3KB2 b Q - 0 17
FEN state: r1bq2k1/1pppp3/p1n2r1p/2P2p1P/2PP2pN/N3P1PR/PB2P2Q/R3KB2 b Q - 0 17 ; Best move: d7d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black king at g8. Black pawn at b7, black pawn at c7, black pawn at d7 and black pawn at e7. Black pawn at a6, black knight at c6, black rook at f6 and black pawn at h6. White pawn at c5, black pawn at f5 and white pawn at h5. White pawn at c4, white pawn at d4, black pawn at g4 and white knight at h4. White knight at a3, white pawn at e3, white pawn at g3 and white rook at h3. White pawn at a2, white bishop at b2, white pawn at e2 and white queen at h2. White rook at a1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 0. Full move number is 17. Black to move.