rnq2kn1/3b1pr1/pp1b1p1p/1P1B4/2p3PB/N2P3P/P1P1PP2/R3K1NR b - - 0 20
FEN state: rnq2kn1/3b1pr1/pp1b1p1p/1P1B4/2p3PB/N2P3P/P1P1PP2/R3K1NR b - - 0 20 ; Best move: d6a3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black king at f8 and black knight at g8. Black bishop at d7, black pawn at f7 and black rook at g7. Black pawn at a6, black pawn at b6, black bishop at d6, black pawn at f6 and black pawn at h6. White pawn at b5 and white bishop at d5. Black pawn at c4, white pawn at g4 and white bishop at h4. White knight at a3, white pawn at d3 and white pawn at h3. White pawn at a2, white pawn at c2, white pawn at e2 and white pawn at f2. White rook at a1, white king at e1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.