r1b2qnr/p1pkp2p/n6b/1p1p1pp1/3PPN2/N1P1KP2/PP4PP/R1BQ1B1R b - - 2 9
FEN state: r1b2qnr/p1pkp2p/n6b/1p1p1pp1/3PPN2/N1P1KP2/PP4PP/R1BQ1B1R b - - 2 9 ; Best move: g5f4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black king at d7, black pawn at e7 and black pawn at h7. Black knight at a6 and black bishop at h6. Black pawn at b5, black pawn at d5, black pawn at f5 and black pawn at g5. White pawn at d4, white pawn at e4 and white knight at f4. White knight at a3, white pawn at c3, white king at e3 and white pawn at f3. White pawn at a2, white pawn at b2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 9. Black to move.