r1bkqbn1/1p1n1p1r/2p3p1/pP1pp2p/2P3PP/N2PP3/P1Q2PR1/R1B1KBN1 w Q - 5 17
FEN state: r1bkqbn1/1p1n1p1r/2p3p1/pP1pp2p/2P3PP/N2PP3/P1Q2PR1/R1B1KBN1 w Q - 5 17 ; Best move: b5c6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black queen at e8, black bishop at f8 and black knight at g8. Black pawn at b7, black knight at d7, black pawn at f7 and black rook at h7. Black pawn at c6 and black pawn at g6. Black pawn at a5, white pawn at b5, black pawn at d5, black pawn at e5 and black pawn at h5. White pawn at c4, white pawn at g4 and white pawn at h4. White knight at a3, white pawn at d3 and white pawn at e3. White pawn at a2, white queen at c2, white pawn at f2 and white rook at g2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 5. Full move number is 17. White to move.