1nb1kbr1/r1p1ppp1/pp5p/3p1q2/P4P2/1Pn1P1PB/R2P3P/1NBQ1KNR b - - 1 13
FEN state: 1nb1kbr1/r1p1ppp1/pp5p/3p1q2/P4P2/1Pn1P1PB/R2P3P/1NBQ1KNR b - - 1 13 ; Best move: f5d3
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black rook at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at a6, black pawn at b6 and black pawn at h6. Black pawn at d5 and black queen at f5. White pawn at a4 and white pawn at f4. White pawn at b3, black knight at c3, white pawn at e3, white pawn at g3 and white bishop at h3. White rook at a2, white pawn at d2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white king at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 13. Black to move.