r3kbr1/1p1bpppp/p4P2/2npp3/6nP/q2P2P1/P2K4/RNQ2B1R b - - 0 20
FEN state: r3kbr1/1p1bpppp/p4P2/2npp3/6nP/q2P2P1/P2K4/RNQ2B1R b - - 0 20 ; Best move: c5e4
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at b7, black bishop at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6 and white pawn at f6. Black knight at c5, black pawn at d5 and black pawn at e5. Black knight at g4 and white pawn at h4. Black queen at a3, white pawn at d3 and white pawn at g3. White pawn at a2 and white king at d2. White rook at a1, white knight at b1, white queen at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.