r1b2bnr/pp1k1N2/n2pp1p1/2p4p/2N5/P4q2/1PPPPPPP/1RBQKB1R b - - 4 13
FEN state: r1b2bnr/pp1k1N2/n2pp1p1/2p4p/2N5/P4q2/1PPPPPPP/1RBQKB1R b - - 4 13 ; Best move: f3f7
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black king at d7 and white knight at f7. Black knight at a6, black pawn at d6, black pawn at e6 and black pawn at g6. Black pawn at c5 and black pawn at h5. White knight at c4. White pawn at a3 and black queen at f3. White pawn at b2, white pawn at c2, white pawn at d2, white pawn at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 13. Black to move.