rnb1k1r1/3p3p/p4bpn/1Rp1ppNQ/P6P/2N1P1PR/1PPP1P2/2B1KB2 w q - 0 17
FEN state: rnb1k1r1/3p3p/p4bpn/1Rp1ppNQ/P6P/2N1P1PR/1PPP1P2/2B1KB2 w q - 0 17 ; Best move: h5h6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at g8. Black pawn at d7 and black pawn at h7. Black pawn at a6, black bishop at f6, black pawn at g6 and black knight at h6. White rook at b5, black pawn at c5, black pawn at e5, black pawn at f5, white knight at g5 and white queen at h5. White pawn at a4 and white pawn at h4. White knight at c3, white pawn at e3, white pawn at g3 and white rook at h3. White pawn at b2, white pawn at c2, white pawn at d2 and white pawn at f2. White bishop at c1, white king at e1 and white bishop at f1. Black queenside is the only castle move available. Half move number is 0. Full move number is 17. White to move.