b3kr2/r1pp3p/2nb1ppn/pp2p3/1NP3PP/7R/PP1PPK2/R1B1N3 w - - 0 21
FEN state: b3kr2/r1pp3p/2nb1ppn/pp2p3/1NP3PP/7R/PP1PPK2/R1B1N3 w - - 0 21 ; Best move: b4c6
The current state of the chess board is: Black bishop at a8, black king at e8 and black rook at f8. Black rook at a7, black pawn at c7, black pawn at d7 and black pawn at h7. Black knight at c6, black bishop at d6, black pawn at f6, black pawn at g6 and black knight at h6. Black pawn at a5, black pawn at b5 and black pawn at e5. White knight at b4, white pawn at c4, white pawn at g4 and white pawn at h4. White rook at h3. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at e2 and white king at f2. White rook at a1, white bishop at c1 and white knight at e1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.