r1b1qbnr/2pk4/pP1p3p/3p3R/3n1Pp1/P3PN2/1P6/RNB1KQ2 b - - 0 21
FEN state: r1b1qbnr/2pk4/pP1p3p/3p3R/3n1Pp1/P3PN2/1P6/RNB1KQ2 b - - 0 21 ; Best move: d4f3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7 and black king at d7. Black pawn at a6, white pawn at b6, black pawn at d6 and black pawn at h6. Black pawn at d5 and white rook at h5. Black knight at d4, white pawn at f4 and black pawn at g4. White pawn at a3, white pawn at e3 and white knight at f3. White pawn at b2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white queen at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.