r1brk3/pppp2pp/n2bp3/3P2q1/2K1NP2/8/PBP1B1PP/3R3R b - - 0 20
FEN state: r1brk3/pppp2pp/n2bp3/3P2q1/2K1NP2/8/PBP1B1PP/3R3R b - - 0 20 ; Best move: g5f4
The current state of the chess board is: Black rook at a8, black bishop at c8, black rook at d8 and black king at e8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7, black pawn at g7 and black pawn at h7. Black knight at a6, black bishop at d6 and black pawn at e6. White pawn at d5 and black queen at g5. White king at c4, white knight at e4 and white pawn at f4. White pawn at a2, white bishop at b2, white pawn at c2, white bishop at e2, white pawn at g2 and white pawn at h2. White rook at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.