1rbnkb1r/p1p3pp/3p3n/1p3P1N/PPP1p2q/5B2/R2PPP1P/1NBQ1RK1 b - - 15 16
FEN state: 1rbnkb1r/p1p3pp/3p3n/1p3P1N/PPP1p2q/5B2/R2PPP1P/1NBQ1RK1 b - - 15 16 ; Best move: e4f3
The current state of the chess board is: Black rook at b8, black bishop at c8, black knight at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at g7 and black pawn at h7. Black pawn at d6 and black knight at h6. Black pawn at b5, white pawn at f5 and white knight at h5. White pawn at a4, white pawn at b4, white pawn at c4, black pawn at e4 and black queen at h4. White bishop at f3. White rook at a2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white rook at f1 and white king at g1. Both players have exhausted their castles. Half move number is 15. Full move number is 16. Black to move.