r2q4/pppb1k1r/2pbpp2/6pp/P2P1NP1/2K2N1B/1P2PP1P/1RB2R2 w - - 2 21
FEN state: r2q4/pppb1k1r/2pbpp2/6pp/P2P1NP1/2K2N1B/1P2PP1P/1RB2R2 w - - 2 21 ; Best move: f4h5
The current state of the chess board is: Black rook at a8 and black queen at d8. Black pawn at a7, black pawn at b7, black pawn at c7, black bishop at d7, black king at f7 and black rook at h7. Black pawn at c6, black bishop at d6, black pawn at e6 and black pawn at f6. Black pawn at g5 and black pawn at h5. White pawn at a4, white pawn at d4, white knight at f4 and white pawn at g4. White king at c3, white knight at f3 and white bishop at h3. White pawn at b2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at b1, white bishop at c1 and white rook at f1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. White to move.