The most exciting part of our research began on September 1, 2022, the 2-year methodological development in schools. The effect of this can only be shown if the students’ development is followed, examined both at the start and at the end of the development phase. The input testing has been completed at the end of October. Teachers did the testing of 441 students in the 20 developmental classes of the 19 schools undertaking methodological development, and 486 students in the 30 control groups. Plus, teachers using the Chess Palace Polgar Method joined and that way we have another control group using a well-researched method. The teachers examined a total of 1,050 children. The cleaning and aggregation of the received data has begun.