1r1qkb2/p1p1ppr1/4nnp1/p2pP2P/RP1P1P1P/8/2PK2b1/1NB3NR b - - 1 21
FEN state: 1r1qkb2/p1p1ppr1/4nnp1/p2pP2P/RP1P1P1P/8/2PK2b1/1NB3NR b - - 1 21 ; Best move: f6e4
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black rook at g7. Black knight at e6, black knight at f6 and black pawn at g6. Black pawn at a5, black pawn at d5, white pawn at e5 and white pawn at h5. White rook at a4, white pawn at b4, white pawn at d4, white pawn at f4 and white pawn at h4. White pawn at c2, white king at d2 and black bishop at g2. White knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.