1nbqkbr1/r1ppp1p1/pp5p/5p2/3P1P2/P1PQ2PP/2P1P1R1/R1B1KBN1 b Q - 0 12
FEN state: 1nbqkbr1/r1ppp1p1/pp5p/5p2/3P1P2/P1PQ2PP/2P1P1R1/R1B1KBN1 b Q - 0 12 ; Best move: g7g6
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black rook at a7, black pawn at c7, black pawn at d7, black pawn at e7 and black pawn at g7. Black pawn at a6, black pawn at b6 and black pawn at h6. Black pawn at f5. White pawn at d4 and white pawn at f4. White pawn at a3, white pawn at c3, white queen at d3, white pawn at g3 and white pawn at h3. White pawn at c2, white pawn at e2 and white rook at g2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 12. Black to move.