Blundercheck
This does
not provide a full analysis of a game, but simply a tactical
examination, one that reveals glaring errors. There are a number
of options in the blunder check dialog box:

Side
to analyse: You can restrict the analysis to the player
of the white or black pieces, or to the winner or loser
(similar to the automatic analysis).
Output: If the game you are checking already contains annotations, you
may not want the program's analysis buried in the variations.
Select Annotate by Text to make it easier to find the remarks
in the notation.
Full
variations, Erase old annotations, Training: Select
these choices to erase the old analysis, and have the variations
written out in full. You can also specify to have training positions
generated.
Storage,
Time/depth, Threshold: You can determine the average
search depth per move. Enter the minimum time the program should
spend on a move. The threshold defines when a move is considered
a mistake. If you enter a high value (e.g., 300 = three pawn
units), then only grave blunders will be considered. If you
set a very low value, the number of commentaries and variations
will increase. If you set the threshold to zero, the program
will annotate every move, even if there is nothing to say.
Check
main lines/variations: Select the main line of the
game to be checked, the variations, or both.
Storage: If you are blunder-checking one or more games in the database
window (mark many and execute "Blundercheck"), then
you can specify how to store the games after they have been
checked. You can put them back into the same place in the database
( i.e., replace the original games); or append to the database
(i.e., store again as a fresh copy).
Games in which the blunder check has revealed
serious errors are marked with the black “Tactical blunder”
medal; they can be easily found in the games list and with the
search mask.
The name
of the engine that was used in the blunder check is entered
as a text commentary before the first move. If you analyse the
game again with a different engine, the name of the engine with
every new variation appears.
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