r2q1knr/2p1p3/np3ppb/3pPbP1/P6p/2NQ4/1PPPKP1P/R1B3NR b - - 0 12
FEN state: r2q1knr/2p1p3/np3ppb/3pPbP1/P6p/2NQ4/1PPPKP1P/R1B3NR b - - 0 12 ; Best move: f5d3
The current state of the chess board is: Black rook at a8, black queen at d8, black king at f8, black knight at g8 and black rook at h8. Black pawn at c7 and black pawn at e7. Black knight at a6, black pawn at b6, black pawn at f6, black pawn at g6 and black bishop at h6. Black pawn at d5, white pawn at e5, black bishop at f5 and white pawn at g5. White pawn at a4 and black pawn at h4. White knight at c3 and white queen at d3. White pawn at b2, white pawn at c2, white pawn at d2, white king at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 12. Black to move.