1rk2b1r/pp2p1np/1qpp4/2n1P1pP/1PP2Pb1/5B2/2RPQP1R/1NB1K1N1 w - - 8 21
FEN state: 1rk2b1r/pp2p1np/1qpp4/2n1P1pP/1PP2Pb1/5B2/2RPQP1R/1NB1K1N1 w - - 8 21 ; Best move: f3g4
The current state of the chess board is: Black rook at b8, black king at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7, black knight at g7 and black pawn at h7. Black queen at b6, black pawn at c6 and black pawn at d6. Black knight at c5, white pawn at e5, black pawn at g5 and white pawn at h5. White pawn at b4, white pawn at c4, white pawn at f4 and black bishop at g4. White bishop at f3. White rook at c2, white pawn at d2, white queen at e2, white pawn at f2 and white rook at h2. White knight at b1, white bishop at c1, white king at e1 and white knight at g1. Both players have exhausted their castles. Half move number is 8. Full move number is 21. White to move.