rn1k1bnr/3p1pp1/bp5p/pN2p3/2P2qP1/P3P2N/2PP1P1P/1RBQKR1B b - - 0 13
FEN state: rn1k1bnr/3p1pp1/bp5p/pN2p3/2P2qP1/P3P2N/2PP1P1P/1RBQKR1B b - - 0 13 ; Best move: f4c4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at d7, black pawn at f7 and black pawn at g7. Black bishop at a6, black pawn at b6 and black pawn at h6. Black pawn at a5, white knight at b5 and black pawn at e5. White pawn at c4, black queen at f4 and white pawn at g4. White pawn at a3, white pawn at e3 and white knight at h3. White pawn at c2, white pawn at d2, white pawn at f2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white king at e1, white rook at f1 and white bishop at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. Black to move.