rn3b1r/4p1p1/b2p1pkn/p3q2p/pBP4P/4R3/1PP1N1P1/1NQ2BKR b - - 5 21
FEN state: rn3b1r/4p1p1/b2p1pkn/p3q2p/pBP4P/4R3/1PP1N1P1/1NQ2BKR b - - 5 21 ; Best move: e5f5
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 e7 and black pawn at g7. Black bishop at a6, black pawn at d6, black pawn at f6, black king at g6 and black knight at h6. Black pawn at a5, black queen at e5 and black pawn at h5. Black pawn at a4, white bishop at b4, white pawn at c4 and white pawn at h4. White rook at e3. White pawn at b2, white pawn at c2, white knight at e2 and white pawn at g2. White knight at b1, white queen at c1, white bishop at f1, white king at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 21. Black to move.