2rqN1n1/1pp1krb1/p6p/1bPpp1p1/nP1P1Q1P/4P1P1/4NP2/R1B1KB1R w K - 1 21
FEN state: 2rqN1n1/1pp1krb1/p6p/1bPpp1p1/nP1P1Q1P/4P1P1/4NP2/R1B1KB1R w K - 1 21 ; Best move: f4g4
The current state of the chess board is: Black rook at c8, black queen at d8, white knight at e8 and black knight at g8. Black pawn at b7, black pawn at c7, black king at e7, black rook at f7 and black bishop at g7. Black pawn at a6 and black pawn at h6. Black bishop at b5, white pawn at c5, black pawn at d5, black pawn at e5 and black pawn at g5. Black knight at a4, white pawn at b4, white pawn at d4, white queen at f4 and white pawn at h4. White pawn at e3 and white pawn at g3. White knight at e2 and white pawn at f2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 21. White to move.