rn1q1br1/2p1kP2/pp3n2/3pp1p1/2PPb2p/NPQ1BP1P/PR1KP3/5BNR b - - 6 20
FEN state: rn1q1br1/2p1kP2/pp3n2/3pp1p1/2PPb2p/NPQ1BP1P/PR1KP3/5BNR b - - 6 20 ; Best move: e7f7
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black bishop at f8 and black rook at g8. Black pawn at c7, black king at e7 and white pawn at f7. Black pawn at a6, black pawn at b6 and black knight at f6. Black pawn at d5, black pawn at e5 and black pawn at g5. White pawn at c4, white pawn at d4, black bishop at e4 and black pawn at h4. White knight at a3, white pawn at b3, white queen at c3, white bishop at e3, white pawn at f3 and white pawn at h3. White pawn at a2, white rook at b2, white king at d2 and white pawn at e2. White bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 20. Black to move.