The following solvers are used as references for the NITCH calculations in this month. The time indicated is their average solving time for error-free puzzles during the prior six months. The solvers average NITCH for each day of week is also shown, with the number of solutions for that day.
| Rank | Solver | Solutions used | Average time | Mon | Tue | Wed | Thu | Fri |
|---|---|---|---|---|---|---|---|---|
| 1 | Magoo | 29832 | 05:50 | 88 (21) | 102 (20) | 101 (16) | 106 (20) | 102 (18) |
| 2 | Jason | 47702 | 07:05 | 86 (25) | 98 (25) | 97 (22) | 100 (25) | 116 (25) |
| 3 | Ludo | 28646 | 07:07 | 103 (14) | 89 (17) | 98 (15) | 102 (16) | 107 (15) |
| 4 | Eamon Ryan | 48843 | 07:12 | 88 (26) | 100 (25) | 102 (24) | 98 (23) | 109 (25) |
| 5 | Lettuceleaf | 12330 | 07:20 | 91 (10) | 96 (8) | 91 (6) | 102 (7) | 122 (7) |
| 6 | Bogota Eagle | 31911 | 08:43 | 86 (13) | 95 (15) | 105 (14) | 107 (16) | 102 (13) |
| 7 | auchiedollie | 51048 | 09:27 | 86 (19) | 98 (23) | 100 (20) | 105 (18) | 108 (20) |
| 8 | verlaine | 53251 | 09:45 | 76 (23) | 96 (22) | 114 (16) | 106 (23) | 114 (17) |
| 9 | aphis99 | 55058 | 10:18 | 76 (19) | 107 (21) | 93 (20) | 96 (19) | 124 (20) |
| 10 | richard | 56032 | 10:59 | 80 (21) | 105 (20) | 111 (16) | 100 (19) | 106 (19) |
| 11 | retiarius | 41148 | 11:25 | 85 (17) | 105 (17) | 102 (16) | 107 (13) | 106 (7) |
| 12 | Tom Stubbs | 72572 | 11:31 | 85 (25) | 104 (25) | 90 (17) | 93 (24) | 122 (24) |
| 13 | tonysever | 75556 | 11:33 | 87 (25) | 101 (25) | 90 (20) | 101 (24) | 116 (25) |
| 14 | Peter Fowler | 64006 | 11:35 | 98 (21) | 99 (20) | 106 (19) | 96 (19) | 100 (23) |
| 15 | lickert | 70490 | 11:44 | 84 (24) | 101 (23) | 99 (21) | 107 (21) | 108 (21) |
| 16 | AlanS | 70332 | 12:05 | 80 (22) | 96 (21) | 106 (21) | 100 (21) | 115 (22) |
| 17 | Heyesey | 50503 | 12:11 | 77 (19) | 89 (16) | 99 (18) | 98 (12) | 145 (14) |
| 18 | trux | 24175 | 12:12 | 81 (10) | 105 (12) | 109 (7) | 96 (8) | 114 (6) |
| 19 | chindit | 73969 | 12:19 | 86 (23) | 102 (21) | 95 (19) | 100 (22) | 112 (25) |
| 20 | Quizimodo | 60814 | 12:49 | 95 (18) | 97 (18) | 101 (18) | 98 (17) | 107 (18) |
| 21 | glheard | 75054 | 13:35 | 85 (21) | 99 (19) | 108 (21) | 93 (20) | 113 (21) |
| 22 | Topical Tim | 74417 | 13:37 | 79 (20) | 101 (21) | 101 (16) | 98 (22) | 117 (22) |
| 23 | Ben Staveley | 28751 | 13:41 | 78 (11) | 95 (8) | 101 (9) | 115 (8) | 115 (9) |
| 24 | Denis | 78837 | 13:41 | 89 (20) | 94 (21) | 99 (22) | 110 (21) | 103 (22) |
| 25 | Silva | 81526 | 13:43 | 96 (23) | 99 (22) | 94 (18) | 103 (24) | 104 (22) |
| 26 | Stavros | 82484 | 13:53 | 89 (22) | 95 (21) | 103 (21) | 109 (22) | 101 (23) |
| 27 | mikegrocott | 65732 | 14:02 | 79 (18) | 111 (12) | 99 (19) | 107 (20) | 104 (19) |
| 28 | mchalen | 96967 | 14:10 | 84 (25) | 99 (26) | 100 (25) | 106 (24) | 108 (24) |
| 29 | neilr | 83202 | 14:17 | 90 (24) | 97 (22) | 101 (16) | 94 (22) | 116 (23) |
| 30 | KenTurner | 50945 | 14:23 | 100 (15) | 95 (12) | 102 (16) | 108 (13) | 91 (13) |
| 31 | Toffer | 69189 | 14:24 | 81 (16) | 109 (19) | 93 (16) | 93 (20) | 117 (19) |
| 32 | aphasic | 50647 | 14:48 | 80 (14) | 97 (14) | 104 (12) | 108 (15) | 110 (12) |
| 33 | Tibthorpe | 89052 | 15:08 | 73 (20) | 102 (23) | 103 (19) | 99 (25) | 119 (21) |
| 34 | Sue Sweeper | 65017 | 15:42 | 74 (21) | 111 (19) | 117 (13) | 104 (14) | 104 (12) |
| 35 | fshephe | 88583 | 15:42 | 89 (22) | 103 (21) | 98 (20) | 100 (19) | 106 (22) |
| 36 | AndyOwl | 104912 | 15:53 | 84 (26) | 96 (24) | 106 (23) | 107 (23) | 107 (24) |
| 37 | phthisis | 97401 | 16:23 | 88 (22) | 102 (23) | 99 (23) | 92 (19) | 115 (22) |
| 38 | sotira | 83656 | 16:35 | 87 (18) | 98 (19) | 100 (17) | 106 (23) | 105 (17) |
| 39 | RHB | 76477 | 16:46 | 79 (18) | 113 (20) | 96 (18) | 99 (15) | 111 (15) |
| 40 | robinh | 98278 | 16:53 | 86 (22) | 104 (21) | 90 (19) | 103 (23) | 113 (22) |
| 41 | OliviaRhineb | 114108 | 16:58 | 83 (25) | 99 (24) | 103 (24) | 99 (24) | 114 (25) |
| 42 | ChuckB | 101285 | 17:46 | 80 (21) | 95 (21) | 105 (23) | 103 (19) | 115 (21) |
| 43 | rpb | 92863 | 17:47 | 86 (23) | 107 (21) | 98 (18) | 101 (17) | 108 (18) |
| 44 | mark oshin | 69742 | 17:52 | 79 (11) | 106 (15) | 100 (16) | 95 (15) | 109 (18) |
| 45 | pterodactyl | 59260 | 17:57 | 86 (17) | 90 (13) | 111 (7) | 102 (15) | 119 (13) |
| 46 | Margaretlarb | 71426 | 18:02 | 98 (14) | 94 (17) | 107 (15) | 111 (13) | 91 (17) |
| 47 | earlylight | 75273 | 18:10 | 95 (16) | 89 (17) | 103 (14) | 105 (16) | 107 (16) |
| 48 | noidea | 41547 | 18:13 | 92 (9) | 98 (10) | 128 (6) | 92 (10) | 101 (13) |
| 49 | John Arnold | 47114 | 19:09 | 91 (15) | 103 (7) | 102 (12) | 95 (6) | 109 (11) |
| 50 | Bernard S | 78236 | 19:10 | 78 (14) | 108 (17) | 120 (15) | 100 (15) | 91 (17) |
| 51 | sampson | 88130 | 19:50 | 92 (22) | 100 (17) | 100 (18) | 99 (15) | 114 (12) |
| 52 | MickinEly2 | 61000 | 19:56 | 89 (16) | 104 (11) | 101 (14) | 105 (12) | 104 (8) |
| 53 | David P | 110134 | 19:57 | 84 (22) | 103 (21) | 106 (17) | 94 (20) | 112 (22) |
| 54 | David Crooks | 136765 | 19:59 | 85 (24) | 101 (25) | 103 (25) | 101 (26) | 107 (24) |
| 55 | Kevin Gregg | 54526 | 20:11 | 84 (12) | 89 (12) | 117 (12) | 106 (13) | 103 (6) |
| 56 | GMcD | 133778 | 20:16 | 83 (22) | 105 (25) | 99 (26) | 98 (25) | 112 (22) |
| 57 | reindeer | 100832 | 20:29 | 93 (20) | 97 (18) | 107 (18) | 99 (18) | 103 (18) |
| 58 | peter wild | 135250 | 20:29 | 87 (25) | 103 (25) | 96 (23) | 104 (25) | 109 (22) |
| 59 | Werm | 106004 | 20:32 | 79 (18) | 94 (21) | 110 (19) | 105 (20) | 110 (18) |
| 60 | Carol | 57428 | 20:48 | 91 (11) | 95 (11) | 108 (10) | 98 (12) | 106 (12) |
| 61 | AnneGinger | 84426 | 21:00 | 86 (16) | 105 (17) | 97 (10) | 99 (18) | 109 (16) |
| 62 | Helly Welly | 84171 | 21:34 | 92 (14) | 95 (17) | 90 (12) | 111 (19) | 104 (13) |
| 63 | Big Mick | 106835 | 21:42 | 86 (17) | 101 (20) | 101 (22) | 100 (18) | 109 (15) |
| 64 | Ben Ganly | 100767 | 21:48 | 72 (14) | 91 (20) | 114 (22) | 98 (16) | 116 (15) |
| 65 | Zabadak | 115740 | 21:55 | 83 (15) | 109 (19) | 89 (21) | 103 (20) | 108 (23) |
| 66 | alanjcannon | 109476 | 21:58 | 82 (19) | 100 (18) | 104 (21) | 99 (16) | 112 (19) |
| 67 | NJeagle | 81900 | 22:45 | 81 (15) | 101 (15) | 95 (13) | 102 (14) | 122 (13) |
| 68 | zythum | 144921 | 22:47 | 91 (22) | 103 (23) | 102 (25) | 94 (22) | 107 (24) |
| 69 | Galspray | 101410 | 22:50 | 84 (17) | 104 (18) | 102 (19) | 100 (17) | 110 (13) |
| 70 | barracuda | 137961 | 22:59 | 78 (21) | 103 (24) | 104 (22) | 102 (22) | 109 (21) |
| 71 | Eylesie | 57084 | 23:12 | 93 (10) | 97 (11) | 105 (13) | 102 (10) | 97 (7) |
| 72 | Bobb | 87926 | 23:38 | 88 (14) | 104 (15) | 99 (18) | 106 (10) | 103 (15) |
| 73 | Groucho | 106390 | 23:38 | 88 (19) | 103 (14) | 101 (16) | 96 (21) | 115 (15) |
| 74 | scouse1 | 66979 | 24:16 | 89 (10) | 97 (13) | 96 (6) | 106 (14) | 104 (13) |
| 75 | leonora | 96611 | 24:23 | 85 (16) | 104 (12) | 103 (15) | 98 (14) | 107 (19) |
| 76 | PeterMabey | 94374 | 24:34 | 84 (14) | 94 (9) | 98 (15) | 101 (19) | 114 (17) |
| 77 | Edprof | 128527 | 24:37 | 88 (19) | 94 (19) | 113 (22) | 97 (18) | 102 (19) |
| 78 | Julian West | 78604 | 24:43 | 76 (13) | 109 (16) | 121 (10) | 101 (14) | 91 (10) |
| 79 | KarenR | 107333 | 24:50 | 80 (18) | 100 (12) | 100 (17) | 105 (15) | 112 (20) |
| 80 | Smiler | 52407 | 24:57 | 99 (10) | 84 (11) | 107 (10) | 101 (8) | 116 (6) |
| 81 | crosswordian | 136190 | 25:30 | 86 (20) | 97 (21) | 101 (20) | 102 (18) | 112 (20) |
| 82 | me_phobete | 122132 | 25:45 | 85 (20) | 101 (17) | 98 (17) | 105 (19) | 112 (16) |
| 83 | benedick | 113395 | 25:53 | 87 (16) | 101 (13) | 98 (21) | 101 (14) | 108 (19) |
| 84 | Son of Smug | 110880 | 26:01 | 83 (12) | 107 (19) | 88 (17) | 103 (14) | 110 (19) |
| 85 | Chadwick | 107159 | 26:39 | 89 (14) | 90 (17) | 101 (16) | 99 (14) | 118 (16) |
| 86 | NAPASAI | 61311 | 26:53 | 74 (7) | 108 (8) | 103 (12) | 102 (10) | 102 (11) |
| 87 | Ron's mum | 80554 | 27:23 | 85 (10) | 105 (10) | 104 (16) | 84 (12) | 119 (11) |
| 88 | Solver52 | 77294 | 27:24 | 82 (14) | 97 (13) | 104 (12) | 107 (7) | 116 (11) |
| 89 | DaddyM | 82416 | 27:28 | 88 (10) | 81 (13) | 85 (12) | 112 (11) | 126 (14) |
| 90 | Jefe | 75909 | 27:30 | 73 (11) | 91 (16) | 100 (9) | 111 (8) | 128 (12) |
| 91 | oldpalace | 93193 | 27:44 | 93 (10) | 100 (13) | 100 (11) | 104 (15) | 99 (17) |
| 92 | Petecollett | 52228 | 29:00 | 79 (12) | 101 (6) | 133 (8) | 87 (7) | 113 (7) |
| 93 | lesbunch | 68135 | 29:07 | 87 (8) | 115 (11) | 92 (10) | 92 (12) | 112 (8) |
| 94 | Barry Smith | 127999 | 29:13 | 81 (15) | 97 (18) | 103 (15) | 104 (17) | 110 (18) |
| 95 | anthea | 98143 | 29:44 | 101 (9) | 95 (14) | 108 (12) | 94 (11) | 100 (19) |
| 96 | Prytherch | 109274 | 30:52 | 91 (9) | 97 (16) | 115 (13) | 92 (17) | 103 (14) |
| 97 | stockynige | 62419 | 31:31 | 77 (9) | 98 (9) | 88 (9) | 101 (8) | 139 (8) |
| 98 | diogenes | 79542 | 31:33 | 85 (11) | 95 (10) | 117 (11) | 97 (14) | 111 (6) |
| 99 | ccy23 | 76604 | 31:55 | 73 (11) | 90 (10) | 137 (10) | 89 (11) | 119 (8) |
| 100 | nekabue | 65848 | 32:16 | 74 (10) | 85 (8) | 121 (10) | 96 (6) | 116 (10) |
| 101 | rosselliot | 64543 | 32:35 | 87 (6) | 89 (6) | 93 (11) | 110 (9) | 109 (11) |
| 102 | Big Nug | 67377 | 33:01 | 83 (12) | 117 (8) | 90 (8) | 97 (6) | 117 (10) |
| 103 | koro | 121839 | 34:25 | 77 (12) | 96 (11) | 108 (15) | 101 (15) | 109 (16) |
| 104 | Jeeves | 141051 | 35:05 | 88 (13) | 90 (17) | 111 (19) | 95 (15) | 112 (13) |
| 105 | Bobchapman | 88836 | 37:57 | 52 (11) | 60 (10) | 176 (10) | 134 (10) | 74 (8) |
| 106 | cassandra | 91683 | 40:12 | 79 (6) | 85 (9) | 119 (12) | 96 (11) | 102 (10) |