- ttPv = (ttHit && tte->is_pv()) || (PvNode && depth > 4 * ONE_PLY);
-
- // If position has been searched at higher depths and we are shuffling,
- // return value_draw.
- if ( pos.rule50_count() > 36 - 6 * (pos.count<ALL_PIECES>() > 14)
- && ss->ply > 36 - 6 * (pos.count<ALL_PIECES>() > 14)
- && ttHit
- && tte->depth() > depth
- && pos.count<PAWN>() > 0)
- return VALUE_DRAW;