Opening lines New training against some engines, user plays games against engines with some conditions: Mandatory moves: in the first part, the user and the engine must each make moves defined in the opening lines created. Moves until the control: for the second part, the motor moves without restrictions and the user must select one of the lines or another movement if not provided for in one of the lines. At the end, the controlling engine calculates the score of the first move out of the lines and the score of the last move, and this difference must be less than that set in "Maximum number of centipawns...", to move to the next engine. There are 5 levels, each level change increases the time thought by the rival engine. (0.5, 1, 2, 4, 8 secs) Bunch of engines: user select a block of 8 engines to play against in each level. Import of Personal Opening Guides and Export to PGN (proposed by Jonathan Cremers ) Kibitzers ...