1nb4r/4qppp/r4k2/ppPppn2/3pPBPb/P2K1PRN/RP1N3P/2Q2B2 b - - 7 20
FEN state: 1nb4r/4qppp/r4k2/ppPppn2/3pPBPb/P2K1PRN/RP1N3P/2Q2B2 b - - 7 20 ; Best move: e5f4
The current state of the chess board is: Black knight at b8, black bishop at c8 and black rook at h8. Black queen at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black rook at a6 and black king at f6. Black pawn at a5, black pawn at b5, white pawn at c5, black pawn at d5, black pawn at e5 and black knight at f5. Black pawn at d4, white pawn at e4, white bishop at f4, white pawn at g4 and black bishop at h4. White pawn at a3, white king at d3, white pawn at f3, white rook at g3 and white knight at h3. White rook at a2, white pawn at b2, white knight at d2 and white pawn at h2. White queen at c1 and white bishop at f1. Both players have exhausted their castles. Half move number is 7. Full move number is 20. Black to move.