1rb2kr1/p1p1ppQn/n2P4/7p/1p3pqP/P2P4/1PPN1B2/1R2KBNR b K - 0 18
FEN state: 1rb2kr1/p1p1ppQn/n2P4/7p/1p3pqP/P2P4/1PPN1B2/1R2KBNR b K - 0 18 ; Best move: g4g7
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at f8 and black rook at g8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7, white queen at g7 and black knight at h7. Black knight at a6 and white pawn at d6. Black pawn at h5. Black pawn at b4, black pawn at f4, black queen at g4 and white pawn at h4. White pawn at a3 and white pawn at d3. White pawn at b2, white pawn at c2, white knight at d2 and white bishop at f2. White rook at b1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 18. Black to move.