Once again all changes in the development version 11 have been included in the version 10, except for new engines, and the support of Linux. Database of positions: Initially not included in this version. With some improvements in relation to v9: Import from pks files (G. Rajesh Ganesh) Massive change of tags (Bernhard, peonpasado). With the feedback of Benhard to fix bugs. Engines: McBrain 2.1.a is now the new default tutor. It is an adaptation of stockfish done by Michael Byrne Bugs fixed: Reading pgn files with blank lines (Ed Smith) Crash when Komodo is the engine of a kibitzer (tico-tico) Training Openings by repetition, the name of the training is by default the first opening selected. (rob) In translations (and more) (Nils Andersson) (added transsiberian city labels to the translation) Tourney, saving pgn, double blank line after a game (cja000) A lot of little bugs (tico-tico, Alfonso).