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A
new puzzle every Saturday. Solutions one week
later.
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>>>>Basic Stats<<<<
Sep-12-2026
1477
weeks, 1508 pages &
10339 days
28 years 2 Months 19 days
Since May 23 1998 |
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Latest
ten
news |
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No. |
Date |
Puzzle about |
Solvers |
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10 |
Sep-11-26 |
Conjecture 113
Puzzle 71 |
Alain Rochelli
Diego González Gauss |
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9 |
Sep-4-26 |
Puzzle 1281 |
Rahid Zaman, Michael Branicky, Giorgos Kalogeropoulos, Paul Cleary,
Michael Hürter
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8 |
Aug-28-26 |
See The Links page.
Puzzle
Coll20th-20
Problem 92
|
C. Rivera updates his two Calculators online:
CS
Calculator V8 and
3NCS2.
Giorgos Kalogeropoulos/Rahid Zaman
Eric
Brier |
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7 |
Aug-21-26 |
Puzle 1279 |
Arkadiusz Wesoloski, Carlos Rivera |
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6 |
Aug-14-26 |
Puzzle 1279
Problem 92 |
Emilia Gurisatti, Carlos Rivera
Emilia Gurisatti |
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5 |
Aug-7-2026 |
Puzzle 1278 |
Roberto Carlo Angelone |
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4 |
July-31-2026 |
Puzzle 1277 |
Paul Cleary, Michael Hürter,
Giorgos Kalogeropoulos |
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3 |
July-24.2026 |
Puzzle 1276
Puzzle 1275
|
Ashaz Jameel, Paul Cleary, Oscar Volpatti, Giorgos
Kalogeropoulos.
Ankit Chakraborty.
Carlos Rivera
(about a new & larger Magic square, 19683x19683, sent by Roberto
Carlos Angelone)
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2 |
July-17-2026 |
Puzzle 1275
Puzzle 1002 |
Carlos Rivera
Rahid Zaman |
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1 |
July-10-26 |
Puzzle 1274
Puzzle 1273 |
Giorgos Kalogeropoulos, Emmanuel Vantieghem, Michael Branicky,
Gennady Gusev, M. F. Hasler, Paul Cleary, Simon Cavegn
M.
F. Hasler |
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