Item 4 in our GCTS training framework (See "Theory , Theory and More Theory" ) calls for the "evaluation, plan of play and standard tactical methods for approximately 250 endgame positions". Keeping this in mind, where can we get these 250 or so positions? Are they documented? do they even exist? I introduce GM Mark Dvoretsky... Precise Positions In his book " Dvoretsky's Endgame Manual ", the author states that "one should study relatively few positions, the most important and most probable, but study and understand them perfectly...Our basic theoretical knowledge must be easy to remember and comprehend." Dvoretsky calls these Precise Positions . In this great book, there sits 213 Precise Positions, indicated by being printed in blue ink. Dvoretsky goes on to say that " these positions should be memorized and which will serve as guideposts again and again in your games". This practical view, enumerating the positions and supplying ...