rnb2r2/pq1p1k2/4pn1p/1pQ1Pp2/5p1P/1P3NP1/P3P3/1RBK1B1R w - - 4 21
FEN state: rnb2r2/pq1p1k2/4pn1p/1pQ1Pp2/5p1P/1P3NP1/P3P3/1RBK1B1R w - - 4 21 ; Best move: e5f6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at f8. Black pawn at a7, black queen at b7, black pawn at d7 and black king at f7. Black pawn at e6, black knight at f6 and black pawn at h6. Black pawn at b5, white queen at c5, white pawn at e5 and black pawn at f5. Black pawn at f4 and white pawn at h4. White pawn at b3, white knight at f3 and white pawn at g3. White pawn at a2 and white pawn at e2. White rook at b1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 21. White to move.