rnbk1b1r/p3ppp1/1p4pn/B1p5/P1PP4/1P4NP/3N1PK1/R5R1 b - - 5 20
FEN state: rnbk1b1r/p3ppp1/1p4pn/B1p5/P1PP4/1P4NP/3N1PK1/R5R1 b - - 5 20 ; Best move: c5d4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at b6, black pawn at g6 and black knight at h6. White bishop at a5 and black pawn at c5. White pawn at a4, white pawn at c4 and white pawn at d4. White pawn at b3, white knight at g3 and white pawn at h3. White knight at d2, white pawn at f2 and white king at g2. White rook at a1 and white rook at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 20. Black to move.