2bq1rk1/2p2p1p/p1np4/1rP3p1/pb3BnP/1RNP4/1P2PN1R/3QK2B w - - 3 21
FEN state: 2bq1rk1/2p2p1p/p1np4/1rP3p1/pb3BnP/1RNP4/1P2PN1R/3QK2B w - - 3 21 ; Best move: f4g5
The current state of the chess board is: Black bishop at c8, black queen at d8, black rook at f8 and black king at g8. Black pawn at c7, black pawn at f7 and black pawn at h7. Black pawn at a6, black knight at c6 and black pawn at d6. Black rook at b5, white pawn at c5 and black pawn at g5. Black pawn at a4, black bishop at b4, white bishop at f4, black knight at g4 and white pawn at h4. White rook at b3, white knight at c3 and white pawn at d3. White pawn at b2, white pawn at e2, white knight at f2 and white rook at h2. White queen at d1, white king at e1 and white bishop at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 21. White to move.