Manual de Fritz 15 2015 | Page 155

Reference

155

Time/depth: The precision of the analysis is determined by time available per move,
or by the fixed calculation depth you allocate. Time per move is more flexible since it
allows the program to go much deeper in certain positions (e.g., in the endgame). If
on the other hand you are doing the analysis in the background then fixed depth is
better since the analysis will be fully executed even if the program is only getting very
little CPU resources.
Plus (root) allows you to add extra time or search depth to the root position, so that
it is analysed more deeply than positions that occur in the search.
Branching: The branching factors for the 1st, 2nd and 3rd moves define how many
alternative moves are given. The higher the values, the broader the analysis tree.
However, the program may change the branching factor if it thinks the position merits
that. This is dependent on the evaluation window described below. If there are moves
present after the position, these will always be considered.
Branching: White, Black, both determines whether alternatives should be given for
one or both sides. Example: you want to show that in a certain position White is
winning by force. Then you are not too interested in white alternatives and should set
branching for Black only.
Length of variations: Sets the length of analysed variations.
Evaluation window: This value, given in 100ths of a pawn, determines when a
variation will be discarded. The value 80, for instance, means that moves which are
0.8 pawns worse than the best move will not be investigated any further, even if the
branching factor would allow it.
The T hre shold determines when a move is considered a mistake. This is described in

© ChessBase 2015