rn2q1n1/3pk2r/p3ppp1/1pp1P2p/1P1Pb2P/P4PP1/2P3Q1/RNB1KBRN w Q - 1 17
FEN state: rn2q1n1/3pk2r/p3ppp1/1pp1P2p/1P1Pb2P/P4PP1/2P3Q1/RNB1KBRN w Q - 1 17 ; Best move: b1c3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at e8 and black knight at g8. Black pawn at d7, black king at e7 and black rook at h7. Black pawn at a6, black pawn at e6, black pawn at f6 and black pawn at g6. Black pawn at b5, black pawn at c5, white pawn at e5 and black pawn at h5. White pawn at b4, white pawn at d4, black bishop at e4 and white pawn at h4. White pawn at a3, white pawn at f3 and white pawn at g3. White pawn at c2 and white queen at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1, white rook at g1 and white knight at h1. White queenside is the only castle move available. Half move number is 1. Full move number is 17. White to move.