Melvin T. Baldrias, IV-SSC of Dacanlao G. Agoncillo NHS, Calaca, Batangas won first place in the 6th Philippine Sudoku Super Challenge Regional Elimination Rounds held at SM Lipa City on October 15, 2011 with Dr. Simon Chua, President of Mathematics Trainers’ Guild Philippines, Mrs. Elizabeth R. Tolentino, mathematics department head-coach, coordinator of SM Lipa and Philippine Star, Melvin will compete in the national finals on January 28, 2012 at SM North Edsa, Manila.
Ni: Lorena Casanova Sa ginanap na 6th Philippine Sudoku Super Challenge National Finals na isinagawa sa SM City North Edsa, Quezon City noong ika-28 ng Enero taong kasalukuyan, isang mag-aaral na Calaqueño ang nagbigay ng karangalan sa bayan ng Calaca. Nagkamit ng 1st Runner Up si Melvin T. Baldrias, IV-SSC ng Dacanlao Gregorio Agoncillo National High School, isang pampublikong paaralan sa nasabing bayan.