4kbnr/3nppp1/r2p4/p1p4p/1pb4P/P2PPNq1/1P3PP1/RN1QKB2 w Qk - 2 20
FEN state: 4kbnr/3nppp1/r2p4/p1p4p/1pb4P/P2PPNq1/1P3PP1/RN1QKB2 w Qk - 2 20 ; Best move: f2g3
The current state of the chess board is: Black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black knight at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black rook at a6 and black pawn at d6. Black pawn at a5, black pawn at c5 and black pawn at h5. Black pawn at b4, black bishop at c4 and white pawn at h4. White pawn at a3, white pawn at d3, white pawn at e3, white knight at f3 and black queen at g3. White pawn at b2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white queen at d1, white king at e1 and white bishop at f1. White queenside and black kingside castles are available. Half move number is 2. Full move number is 20. White to move.