r1b1kb1r/p2pp3/n1q2n2/6pp/2p1Pp2/PPpP3N/1BQN1PPP/R1K2BR1 w q - 3 17
FEN state: r1b1kb1r/p2pp3/n1q2n2/6pp/2p1Pp2/PPpP3N/1BQN1PPP/R1K2BR1 w q - 3 17 ; Best move: c2c3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7 and black pawn at e7. Black knight at a6, black queen at c6 and black knight at f6. Black pawn at g5 and black pawn at h5. Black pawn at c4, white pawn at e4 and black pawn at f4. White pawn at a3, white pawn at b3, black pawn at c3, white pawn at d3 and white knight at h3. White bishop at b2, white queen at c2, white knight at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white king at c1, white bishop at f1 and white rook at g1. Black queenside is the only castle move available. Half move number is 3. Full move number is 17. White to move.