List of the site's news added June 2nd, 2020

• TEN YEARS after their opening (April 2010), there still remain eight unsolved enigmas for winning €6,500 and eight bottles of champagne!
The remaining enigmas are on small squares, from 3x3 to 6x6. Here are the most interesting recent results on them:
• #1 (3x3 magic square of squares, or using at least 7 distinct squared integers), new researches (Feb. 2017 - May 2020) from Lee Morgenstern, Randall Rathbun, Christian Woll, Joseph Hurban, Adrian Suter, Benjamin Bartsch, Eddie Gutierrez, Giancarlo Labruna, Vlad Volosatov, Arkadiusz Wesolowski, Onno Cain, Ben Asselstine, Sunil Kumar.
• Maybe, for some (x, y), a cell below in red can become the required 7th squared integer? It would be a solution of the enigma!
Wesolowski's 3x3 magic square of 6 squares
 (xy - z)² (xz + y)² x² + y²z² (x + yz)² (x² + y²)(z² + 1)/2 (xz - y)² x²z² + y² (yz - x)² (xy + z)²
• #2 (5x5 bimagic square), "special" bimagic squares using 6 sets of numbers by Frank Rubin, or modulo 41 by Christian Boyer
• #4a (5x5 magic square of cubes), no solution with S3 < 400,000,000 computed by Nicolas Rouanet, but 44 semi-magic squares without any magic diagonal
• #4b (6x6 magic square of cubes), no solution with S3 < 3,000,000 computed by Nicolas Rouanet, but 45 semi-magic squares with one magic diagonal
• #6 (5x5 add-mult magic square), 63 examples of add-mult semi-magic squares which are also add panmagic Graeco-Latin squares, by Keith Lynch and Christian Boyer