2rq2nr/pb1pp1bk/1Np3p1/2n3pp/2PBPP1P/1P1P3B/P4K2/R2Q2NR b - - 5 20
FEN state: 2rq2nr/pb1pp1bk/1Np3p1/2n3pp/2PBPP1P/1P1P3B/P4K2/R2Q2NR b - - 5 20 ; Best move: g7d4
The current state of the chess board is: Black rook at c8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at d7, black pawn at e7, black bishop at g7 and black king at h7. White knight at b6, black pawn at c6 and black pawn at g6. Black knight at c5, black pawn at g5 and black pawn at h5. White pawn at c4, white bishop at d4, white pawn at e4, white pawn at f4 and white pawn at h4. White pawn at b3, white pawn at d3 and white bishop at h3. White pawn at a2 and white king at f2. White rook at a1, white queen at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 20. Black to move.