rnbk1b2/1ppp3r/p3pp2/7p/NP5p/5N1B/3PP3/R1BQK2R b - - 4 20
FEN state: rnbk1b2/1ppp3r/p3pp2/7p/NP5p/5N1B/3PP3/R1BQK2R b - - 4 20 ; Best move: b8c6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8 and black bishop at f8. Black pawn at b7, black pawn at c7, black pawn at d7 and black rook at h7. Black pawn at a6, black pawn at e6 and black pawn at f6. Black pawn at h5. White knight at a4, white pawn at b4 and black pawn at h4. White knight at f3 and white bishop at h3. White pawn at d2 and white pawn at e2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 20. Black to move.