rn2kb1r/pb4pp/1p6/2ppppq1/1n1PPN1P/NP3PP1/P1P1B1R1/R1BQK3 b Q - 1 18
FEN state: rn2kb1r/pb4pp/1p6/2ppppq1/1n1PPN1P/NP3PP1/P1P1B1R1/R1BQK3 b Q - 1 18 ; Best move: g5e7
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at g7 and black pawn at h7. Black pawn at b6. Black pawn at c5, black pawn at d5, black pawn at e5, black pawn at f5 and black queen at g5. Black knight at b4, white pawn at d4, white pawn at e4, white knight at f4 and white pawn at h4. White knight at a3, white pawn at b3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at c2, white bishop at e2 and white rook at g2. White rook at a1, white bishop at c1, white queen at d1 and white king at e1. White queenside is the only castle move available. Half move number is 1. Full move number is 18. Black to move.