r4b2/pp2q1pr/nn1Ppk1p/3P4/BB2p3/6P1/P1P2P1P/RN1QK1NR b - - 7 20
FEN state: r4b2/pp2q1pr/nn1Ppk1p/3P4/BB2p3/6P1/P1P2P1P/RN1QK1NR b - - 7 20 ; Best move: e7d8
The current state of the chess board is: Black rook at a8 and black bishop at f8. Black pawn at a7, black pawn at b7, black queen at e7, black pawn at g7 and black rook at h7. Black knight at a6, black knight at b6, white pawn at d6, black pawn at e6, black king at f6 and black pawn at h6. White pawn at d5. White bishop at a4, white bishop at b4 and black pawn at e4. White pawn at g3. White pawn at a2, white pawn at c2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 7. Full move number is 20. Black to move.