r1b2k1r/1p1p1p1p/1q1bp3/p1p3pn/1P2P1PP/P1nP4/1BP2PR1/RN1QKBN1 w Q - 1 16
FEN state: r1b2k1r/1p1p1p1p/1q1bp3/p1p3pn/1P2P1PP/P1nP4/1BP2PR1/RN1QKBN1 w Q - 1 16 ; Best move: b1c3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at f8 and black rook at h8. Black pawn at b7, black pawn at d7, black pawn at f7 and black pawn at h7. Black queen at b6, black bishop at d6 and black pawn at e6. Black pawn at a5, black pawn at c5, black pawn at g5 and black knight at h5. White pawn at b4, white pawn at e4, white pawn at g4 and white pawn at h4. White pawn at a3, black knight at c3 and white pawn at d3. White bishop at b2, white pawn at c2, white pawn at f2 and white rook at g2. White rook at a1, white knight at b1, white queen at d1, 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 1. Full move number is 16. White to move.