1nbqkbr1/r1ppppp1/5n2/1p6/p1N2PPR/1P5B/P1PPPK2/R1BQ2N1 b - - 0 10
FEN state: 1nbqkbr1/r1ppppp1/5n2/1p6/p1N2PPR/1P5B/P1PPPK2/R1BQ2N1 b - - 0 10 ; Best move: f6e4
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black rook at a7, black pawn at c7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black knight at f6. Black pawn at b5. Black pawn at a4, white knight at c4, white pawn at f4, white pawn at g4 and white rook at h4. White pawn at b3 and white bishop at h3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at e2 and white king at f2. White rook at a1, white bishop at c1, white queen at d1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 10. Black to move.