rnbq1b1r/4kp2/pppp4/3np2p/QPPPPBp1/5NPP/P3BP2/RN2K1R1 w Q - 0 12
FEN state: rnbq1b1r/4kp2/pppp4/3np2p/QPPPPBp1/5NPP/P3BP2/RN2K1R1 w Q - 0 12 ; Best move: f4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black king at e7 and black pawn at f7. Black pawn at a6, black pawn at b6, black pawn at c6 and black pawn at d6. Black knight at d5, black pawn at e5 and black pawn at h5. White queen at a4, white pawn at b4, white pawn at c4, white pawn at d4, white pawn at e4, white bishop at f4 and black pawn at g4. White knight at f3, white pawn at g3 and white pawn at h3. White pawn at a2, white bishop at e2 and white pawn at f2. White rook at a1, white knight at b1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 12. White to move.