rn3r2/4kp1R/3b1N2/1pP1p1p1/p1B1b3/P3P1P1/2PP1PP1/R1B1KQ2 w Q - 0 21
FEN state: rn3r2/4kp1R/3b1N2/1pP1p1p1/p1B1b3/P3P1P1/2PP1PP1/R1B1KQ2 w Q - 0 21 ; Best move: f6e4
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at f8. Black king at e7, black pawn at f7 and white rook at h7. Black bishop at d6 and white knight at f6. Black pawn at b5, white pawn at c5, black pawn at e5 and black pawn at g5. Black pawn at a4, white bishop at c4 and black bishop at e4. White pawn at a3, white pawn at e3 and white pawn at g3. White pawn at c2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1 and white queen at f1. White queenside is the only castle move available. Half move number is 0. Full move number is 21. White to move.