rn4nr/pp2pkb1/4qppp/2p5/1PQ5/N1pPPb1R/P1PB2P1/R4K2 b - - 1 20
FEN state: rn4nr/pp2pkb1/4qppp/2p5/1PQ5/N1pPPb1R/P1PB2P1/R4K2 b - - 1 20 ; Best move: f3d5
The current state of the chess board is: Black rook at a8, black knight at b8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7, black king at f7 and black bishop at g7. Black queen at e6, black pawn at f6, black pawn at g6 and black pawn at h6. Black pawn at c5. White pawn at b4 and white queen at c4. White knight at a3, black pawn at c3, white pawn at d3, white pawn at e3, black bishop at f3 and white rook at h3. White pawn at a2, white pawn at c2, white bishop at d2 and white pawn at g2. White rook at a1 and white king at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.