r2q2nr/p1pkp3/np1pbp1b/1P4pp/3PPP2/P1P1B3/6PP/RN1QKBR1 b Q - 2 12
FEN state: r2q2nr/p1pkp3/np1pbp1b/1P4pp/3PPP2/P1P1B3/6PP/RN1QKBR1 b Q - 2 12 ; Best move: g5f4
The current state of the chess board is: Black rook at a8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black king at d7 and black pawn at e7. Black knight at a6, black pawn at b6, black pawn at d6, black bishop at e6, black pawn at f6 and black bishop at h6. White pawn at b5, black pawn at g5 and black pawn at h5. White pawn at d4, white pawn at e4 and white pawn at f4. White pawn at a3, white pawn at c3 and white bishop at e3. White pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 12. Black to move.