16 Every prime bit must alternate 2016-12-27T04:05:26.670
16 Verify the queens puzzle 2017-03-08T21:42:22.713
16 Is this a Hardy-Ramanujan-Number-ish Harshad Number? 2017-06-20T17:00:08.547
16 Is it an exercise set? 2018-05-24T12:37:28.073
16 Magic: The Gathering Combat with Abilities 2018-08-25T00:18:33.047
16 Is this string a palindrome (in Morse Code)? 2018-10-19T18:47:17.750
16 Is this a Major Scale (or equivalent)? 2018-11-08T13:16:44.913
16 Find if a list is an ABC-triple 2019-01-03T11:53:40.473
16 Is my Rep in Stack-Exchange Form? 2019-06-20T12:19:43.443
16 Is it a Hamiltonian cycle on a grid? 2019-10-26T08:53:30.637
16 Can this Scottish village have a wedding? 2019-11-18T13:18:11.540
15 Transposed, primes, oh my! 2012-10-05T21:01:58.843
15 Determine if a relation is transitive 2016-11-21T20:41:00.903
15 Match the permutations! 2016-11-22T04:52:35.587
15 Verify my lasagne 2016-12-14T10:57:55.233
15 Am I outgolfed by Dennis? 2017-05-10T10:39:55.847
15 Oscillation equality 2017-10-23T16:33:36.257
15 Is it a valid chess move? 2017-11-19T18:41:11.257
15 Limit your numbers by your runs 2018-03-22T13:59:29.953
15 Is this a staircase number? 2018-04-30T15:27:07.007
15 Mixed Fraction Equality 2018-07-24T22:26:59.847
15 Write The Shortest Program To Check If A Binary Tree Is Balanced 2019-08-05T17:14:34.857
15 Is it rectilinear? 2019-11-08T02:20:42.683
15 Is this quadrilateral tangential? 2020-01-05T23:23:39.667
15 Drawing one-liner 2020-02-15T08:55:42.460
14 Is it L-convex? 2015-10-07T15:52:48.717
14 Clock (card game) 2016-01-25T15:34:55.963
14 Is it a max-heap? 2016-07-10T22:50:19.270
14 Solve Math Problem Notation 2017-03-05T21:12:02.220
14 Two roads diverged in a yellow wood (part 1) 2017-03-28T19:40:11.323
14 Reachable numbers 2017-04-29T04:40:46.640
14 Can you loop without crashing? 2017-07-17T19:29:24.963
14 Weird grading system 2017-09-09T13:53:59.333
14 Is my kids' alphabet mat properly grouped by colors? 2017-11-23T16:57:49.113
14 Could They Be The Same Day Of The Week? 2017-12-30T21:53:44.077
14 Verify Cyclic Difference Sets 2018-02-09T16:04:41.973
14 Find relevant digit groupings 2018-03-05T18:45:11.843
14 Am I a Pillai prime? 2018-04-27T16:55:52.073
14 Are there mountain rings? 2018-05-17T14:23:51.413
14 A greeting bot for a colleague from work 2018-08-28T13:58:04.307
14 Impatient divisibility test 2018-09-01T21:17:50.270
14 Are all three integers distinct? 2018-09-03T10:00:53.710
14 Is it a valid penalty shoot-out prefix? 2019-03-06T16:27:11.743
14 Is this board Latin-style? 2019-12-05T07:00:02.207
13 Does the fishy road have an end? 2015-12-02T14:55:03.150
13 Close your tags! 2016-12-30T15:27:37.973
13 When will SE be down? 2017-05-03T10:44:06.200
13 Am I a Secondary Taxicab? 2017-06-14T02:56:22.133
13 Am I a Sophie Germain prime? 2017-07-09T11:57:17.547
13 Triple-balanced numbers 2017-07-17T16:38:58.170
13 Is it bipartite? 2017-11-17T06:02:44.800
13 Isogram checker 2018-04-17T18:22:50.690
13 Passwords Strong Against Bishops 2019-02-13T20:31:59.317
13 Is this draw by repetition? 2019-04-02T11:05:44.873
13 Word Changer Reachability 2019-04-26T23:14:50.563
13 Irish Snap: Variant Rules 2019-08-22T12:31:31.013
13 Is it checkmate? 2019-08-26T14:14:24.943
13 Determine the Winner of a Game of Australian Football 2019-09-26T23:21:40.540
13 Is this a circular step sequence? 2020-02-24T07:10:58.090
13 Embedding Sets of Sets 2020-02-28T15:59:01.430
12 Is that word Feminine or Masculine? 2015-05-04T05:19:26.367
12 Was this bite mine? 2017-05-19T11:59:22.403
12 Is this string valid FEN? 2017-07-01T01:37:42.597
12 Golf a Solubility Chart 2018-08-07T03:14:44.557
12 Find a Rocco number 2019-01-29T20:05:30.473
12 Terrain Reachability 2019-03-27T17:37:19.803
11 Determine if an integer is a palindrome in a given radix (base) 2014-02-28T21:28:57.537
11 Is it a Linearized Tree? (Breadth-first Edition) 2016-11-24T17:28:39.377
11 Check if a matrix is a Toeplitz matrix 2017-05-18T05:45:09.720
11 Validate 2Col syntax! 2017-05-25T16:22:19.343
11 Do two numbers contain unique factorials? 2017-06-05T06:53:26.123
11 Am I a Special N-bonacci Number? 2017-06-16T13:27:58.067
11 Let's play Rummikub! 2017-07-12T10:50:50.043
11 Is this a Boggle pad? 2018-04-28T23:17:36.623
11 The Onion, or Not The Onion? 2018-08-15T23:02:45.850
11 Is it an arithmetico-geometric sequence? 2018-11-20T02:11:31.723
11 Multi-user CRUD: Valid, Problem, or Error? 2019-07-04T09:01:06.790
11 Does this addition pyramid puzzle have a unique solution? 2019-07-30T19:23:04.130
11 Duct Tape a Regex Decider 2019-09-24T15:41:17.387
11 Is this a valid Tichu play? 2019-09-25T14:55:32.647
10 Check if a string is a shuffle of twins 2011-12-01T19:07:11.700
10 Email validation 2013-02-22T21:47:33.797
10 Prelude Syntax-Checker 2015-03-02T14:42:58.443
10 Identifying Sequences for Cellular Automata 2015-03-05T13:48:05.013
10 Two roads diverged in a yellow wood (part 3) 2017-03-29T17:22:44.027
10 Can my favourite team still become Football Champion? 2017-06-04T19:17:47.277
10 Exact Cover Puzzle 2017-09-30T20:31:46.390
10 Do we share the prime cluster? 2017-11-06T17:48:05.047
10 Do I have permission? 2017-11-29T07:02:39.563
10 Is it a Satisfying Number? 2017-12-22T19:00:07.183
10 Checkers Checker 2018-04-26T01:36:10.070
10 Solve the Halting Problem for Modilar SNISP 2018-07-19T19:34:39.313
10 A sorcerer's spellbook 2018-09-19T20:10:40.943
10 Multi-level marketing "legs" investment rule 2019-01-06T16:12:27.540
10 Password Bishop Goodness 2019-02-13T13:15:51.103
10 Is there a smaller tautogram checker? 2019-03-25T19:23:45.177
10 Valid term from quadratic sequence? 2019-04-03T14:19:09.927
10 L tromino tiling 2019-10-19T06:21:48.767
10 Is this a valid input for this hardware? 2019-11-01T00:25:43.730