rn3b1r/p6p/1pp1pk1n/1R1pqb2/P4PpP/B1P5/3PBNR1/1NQ1K3 w - - 4 22
FEN state: rn3b1r/p6p/1pp1pk1n/1R1pqb2/P4PpP/B1P5/3PBNR1/1NQ1K3 w - - 4 22 ; Best move: f4e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8 and black rook at h8. Black pawn at a7 and black pawn at h7. Black pawn at b6, black pawn at c6, black pawn at e6, black king at f6 and black knight at h6. White rook at b5, black pawn at d5, black queen at e5 and black bishop at f5. White pawn at a4, white pawn at f4, black pawn at g4 and white pawn at h4. White bishop at a3 and white pawn at c3. White pawn at d2, white bishop at e2, white knight at f2 and white rook at g2. White knight at b1, white queen at c1 and white king at e1. Both players have exhausted their castles. Half move number is 4. Full move number is 22. White to move.