r2Q2nr/pbpk3q/2np2p1/1p2P2p/1P4pR/P2BP1K1/2PPN3/RNB5 b - - 5 20
FEN state: r2Q2nr/pbpk3q/2np2p1/1p2P2p/1P4pR/P2BP1K1/2PPN3/RNB5 b - - 5 20 ; Best move: d7d8
The current state of the chess board is: Black rook at a8, white queen at d8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at c7, black king at d7 and black queen at h7. Black knight at c6, black pawn at d6 and black pawn at g6. Black pawn at b5, white pawn at e5 and black pawn at h5. White pawn at b4, black pawn at g4 and white rook at h4. White pawn at a3, white bishop at d3, white pawn at e3 and white king at g3. White pawn at c2, white pawn at d2 and white knight at e2. White rook at a1, white knight at b1 and white bishop at c1. Both players have exhausted their castles. Half move number is 5. Full move number is 20. Black to move.