rn1qk1r1/p2pnp2/2p1b2p/1p4pP/3P2P1/bPNQ2R1/P1P1P1B1/1RB1K1N1 w q - 2 17
FEN state: rn1qk1r1/p2pnp2/2p1b2p/1p4pP/3P2P1/bPNQ2R1/P1P1P1B1/1RB1K1N1 w q - 2 17 ; Best move: c1a3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8 and black rook at g8. Black pawn at a7, black pawn at d7, black knight at e7 and black pawn at f7. Black pawn at c6, black bishop at e6 and black pawn at h6. Black pawn at b5, black pawn at g5 and white pawn at h5. White pawn at d4 and white pawn at g4. Black bishop at a3, white pawn at b3, white knight at c3, white queen at d3 and white rook at g3. White pawn at a2, white pawn at c2, white pawn at e2 and white bishop at g2. White rook at b1, white bishop at c1, white king at e1 and white knight at g1. Black queenside is the only castle move available. Half move number is 2. Full move number is 17. White to move.