1nq1k1n1/4p2r/Ppp5/p1Pp1pp1/P1Nb1B1p/5PP1/4PN1P/R2QKb1R b - - 1 20
FEN state: 1nq1k1n1/4p2r/Ppp5/p1Pp1pp1/P1Nb1B1p/5PP1/4PN1P/R2QKb1R b - - 1 20 ; Best move: d4c5
The current state of the chess board is: Black knight at b8, black queen at c8, black king at e8 and black knight at g8. Black pawn at e7 and black rook at h7. White pawn at a6, black pawn at b6 and black pawn at c6. Black pawn at a5, white pawn at c5, black pawn at d5, black pawn at f5 and black pawn at g5. White pawn at a4, white knight at c4, black bishop at d4, white bishop at f4 and black pawn at h4. White pawn at f3 and white pawn at g3. White pawn at e2, white knight at f2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1, black bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. Black to move.