2b2kr1/2q1p2p/1rpp1npb/pp3Pn1/3P1P2/P3P1N1/1PPBBK1P/1R1Q2NR w - - 12 20
FEN state: 2b2kr1/2q1p2p/1rpp1npb/pp3Pn1/3P1P2/P3P1N1/1PPBBK1P/1R1Q2NR w - - 12 20 ; Best move: f4g5
The current state of the chess board is: Black bishop at c8, black king at f8 and black rook at g8. Black queen at c7, black pawn at e7 and black pawn at h7. Black rook at b6, black pawn at c6, black pawn at d6, black knight at f6, black pawn at g6 and black bishop at h6. Black pawn at a5, black pawn at b5, white pawn at f5 and black knight at g5. White pawn at d4 and white pawn at f4. White pawn at a3, white pawn at e3 and white knight at g3. White pawn at b2, white pawn at c2, white bishop at d2, white bishop at e2, white king at f2 and white pawn at h2. White rook at b1, white queen at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 12. Full move number is 20. White to move.