r1bqkr2/pp1p1pbp/2n3pn/4B3/1pP5/3P1P1N/P2KP1PP/RN1Q1B1R b q - 0 9
FEN state: r1bqkr2/pp1p1pbp/2n3pn/4B3/1pP5/3P1P1N/P2KP1PP/RN1Q1B1R b q - 0 9 ; Best move: g7e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at f8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at f7, black bishop at g7 and black pawn at h7. Black knight at c6, black pawn at g6 and black knight at h6. White bishop at e5. Black pawn at b4 and white pawn at c4. White pawn at d3, white pawn at f3 and white knight at h3. White pawn at a2, white king at d2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 9. Black to move.