rn1qkbr1/1p2p1R1/2Np3n/pB6/1PP3b1/N7/P1QPKp1P/R1B5 w q - 1 17
FEN state: rn1qkbr1/1p2p1R1/2Np3n/pB6/1PP3b1/N7/P1QPKp1P/R1B5 w q - 1 17 ; Best move: g7g4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at b7, black pawn at e7 and white rook at g7. White knight at c6, black pawn at d6 and black knight at h6. Black pawn at a5 and white bishop at b5. White pawn at b4, white pawn at c4 and black bishop at g4. White knight at a3. White pawn at a2, white queen at c2, white pawn at d2, white king at e2, black pawn at f2 and white pawn at h2. White rook at a1 and white bishop at c1. Black queenside is the only castle move available. Half move number is 1. Full move number is 17. White to move.