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 | 34527 | 05:48 | 90 (22) | 103 (23) | 99 (23) | 100 (23) | 108 (18) |
| 2 | mohn | 24798 | 06:39 | 80 (14) | 97 (16) | 110 (12) | 100 (15) | 112 (15) |
| 3 | Jason | 44419 | 07:07 | 90 (24) | 102 (23) | 98 (21) | 95 (22) | 113 (24) |
| 4 | Eamon Ryan | 48385 | 07:32 | 98 (26) | 99 (23) | 100 (23) | 99 (24) | 103 (21) |
| 5 | mistigris | 19627 | 08:10 | 77 (7) | 91 (11) | 115 (8) | 106 (15) | 102 (9) |
| 6 | Bogota Eagle | 24080 | 08:11 | 92 (11) | 105 (13) | 97 (12) | 102 (11) | 100 (12) |
| 7 | Ludo | 24154 | 08:45 | 101 (10) | 87 (11) | 114 (12) | 93 (12) | 102 (11) |
| 8 | auchiedollie | 48818 | 08:56 | 91 (20) | 99 (22) | 102 (21) | 103 (18) | 103 (20) |
| 9 | aphis99 | 53050 | 09:12 | 84 (23) | 108 (21) | 100 (21) | 105 (22) | 102 (19) |
| 10 | verlaine | 55204 | 09:47 | 76 (21) | 94 (22) | 103 (21) | 110 (20) | 116 (20) |
| 11 | richard | 56478 | 10:34 | 82 (18) | 100 (20) | 103 (20) | 93 (20) | 117 (21) |
| 12 | Tom Stubbs | 73767 | 11:23 | 93 (24) | 96 (23) | 101 (22) | 88 (25) | 120 (24) |
| 13 | alanconnor | 30941 | 11:27 | 87 (14) | 98 (15) | 99 (7) | 119 (7) | 107 (12) |
| 14 | tonysever | 72624 | 11:38 | 92 (22) | 100 (22) | 100 (22) | 91 (25) | 116 (23) |
| 15 | lickert | 70348 | 11:43 | 88 (24) | 101 (22) | 104 (23) | 100 (22) | 107 (19) |
| 16 | Eylesie | 50004 | 11:44 | 87 (17) | 120 (17) | 120 (14) | 96 (17) | 77 (16) |
| 17 | trux | 20544 | 11:48 | 87 (8) | 93 (9) | 110 (8) | 96 (7) | 114 (7) |
| 18 | Peter Fowler | 67811 | 12:01 | 96 (21) | 101 (17) | 106 (21) | 94 (23) | 102 (22) |
| 19 | KenTurner | 75312 | 12:33 | 96 (21) | 97 (23) | 98 (21) | 104 (21) | 101 (24) |
| 20 | Quizimodo | 79750 | 12:39 | 89 (22) | 106 (24) | 98 (25) | 97 (22) | 107 (22) |
| 21 | Heyesey | 50924 | 12:40 | 80 (18) | 95 (18) | 95 (17) | 115 (13) | 131 (11) |
| 22 | chindit | 78120 | 12:53 | 88 (24) | 106 (21) | 97 (20) | 100 (22) | 107 (24) |
| 23 | Silva | 77660 | 13:04 | 91 (23) | 109 (21) | 101 (20) | 98 (23) | 100 (22) |
| 24 | Topical Tim | 63190 | 13:09 | 84 (20) | 96 (18) | 109 (14) | 108 (20) | 104 (18) |
| 25 | AlanS | 72739 | 13:28 | 80 (20) | 99 (20) | 102 (20) | 100 (21) | 117 (19) |
| 26 | neilr | 76225 | 13:39 | 87 (23) | 109 (22) | 102 (22) | 99 (18) | 102 (18) |
| 27 | Toffer | 57734 | 13:44 | 87 (18) | 98 (14) | 108 (13) | 96 (19) | 113 (16) |
| 28 | Denis | 77045 | 13:57 | 95 (20) | 99 (21) | 98 (21) | 104 (21) | 101 (19) |
| 29 | mikegrocott | 62191 | 14:00 | 83 (19) | 108 (15) | 99 (14) | 100 (19) | 111 (17) |
| 30 | Stavros | 73522 | 14:24 | 85 (19) | 101 (17) | 101 (20) | 99 (19) | 110 (20) |
| 31 | glheard | 30450 | 14:30 | 82 (7) | 100 (7) | 89 (9) | 102 (14) | 121 (8) |
| 32 | jjp | 60025 | 14:42 | 90 (20) | 108 (17) | 97 (15) | 100 (16) | 106 (10) |
| 33 | mchalen | 97742 | 14:48 | 85 (24) | 105 (26) | 97 (25) | 96 (22) | 115 (23) |
| 34 | aphasic | 44737 | 14:54 | 75 (10) | 102 (14) | 107 (10) | 102 (15) | 108 (11) |
| 35 | Tibthorpe | 78042 | 14:57 | 87 (18) | 104 (18) | 100 (20) | 90 (20) | 114 (21) |
| 36 | earlylight | 77079 | 15:17 | 96 (19) | 95 (19) | 105 (17) | 100 (19) | 102 (20) |
| 37 | AndyOwl | 83208 | 15:24 | 82 (21) | 98 (19) | 102 (18) | 103 (20) | 113 (22) |
| 38 | Sue Sweeper | 61016 | 15:38 | 81 (14) | 102 (20) | 109 (17) | 83 (12) | 119 (12) |
| 39 | Margaretlarb | 49626 | 16:13 | 93 (14) | 105 (12) | 112 (13) | 107 (8) | 86 (14) |
| 40 | fshephe | 91015 | 16:18 | 85 (19) | 98 (24) | 100 (20) | 97 (19) | 115 (21) |
| 41 | ChuckB | 35303 | 16:20 | 87 (8) | 91 (9) | 111 (11) | 103 (8) | 100 (10) |
| 42 | OliviaRhineb | 99507 | 16:35 | 83 (24) | 104 (21) | 104 (23) | 95 (21) | 114 (21) |
| 43 | robinh | 92960 | 16:39 | 90 (21) | 100 (20) | 98 (18) | 98 (22) | 112 (22) |
| 44 | sotira | 69221 | 16:43 | 86 (18) | 107 (16) | 94 (13) | 95 (15) | 115 (17) |
| 45 | rpb | 76726 | 16:49 | 94 (20) | 102 (18) | 112 (16) | 89 (16) | 102 (16) |
| 46 | phthisis | 103270 | 16:52 | 92 (23) | 103 (23) | 97 (23) | 99 (23) | 107 (20) |
| 47 | Werm | 78045 | 16:53 | 80 (18) | 102 (16) | 87 (17) | 112 (21) | 117 (15) |
| 48 | RHB | 58667 | 17:09 | 81 (14) | 111 (14) | 93 (15) | 102 (13) | 116 (11) |
| 49 | subbswamysg | 43659 | 17:19 | 92 (11) | 89 (10) | 102 (10) | 106 (10) | 108 (11) |
| 50 | Bernard S | 49435 | 17:31 | 91 (8) | 112 (13) | 97 (9) | 98 (14) | 95 (13) |
| 51 | nesbitt | 50631 | 17:34 | 90 (14) | 99 (12) | 104 (12) | 102 (10) | 106 (10) |
| 52 | andyt | 59196 | 18:16 | 93 (14) | 105 (13) | 97 (12) | 96 (12) | 106 (13) |
| 53 | pterodactyl | 54016 | 18:22 | 95 (15) | 93 (13) | 113 (10) | 99 (9) | 101 (12) |
| 54 | Kevin Gregg | 48418 | 18:46 | 92 (10) | 90 (8) | 103 (10) | 98 (14) | 112 (11) |
| 55 | GMcD | 111001 | 19:28 | 84 (22) | 103 (21) | 99 (22) | 95 (19) | 118 (21) |
| 56 | sampson | 86983 | 19:35 | 93 (20) | 98 (16) | 104 (18) | 99 (18) | 107 (12) |
| 57 | reindeer | 94664 | 19:43 | 92 (18) | 99 (17) | 96 (18) | 107 (19) | 104 (18) |
| 58 | David Crooks | 121569 | 20:03 | 89 (22) | 99 (22) | 103 (23) | 99 (21) | 107 (23) |
| 59 | David P | 108456 | 20:05 | 83 (20) | 102 (21) | 99 (17) | 100 (22) | 114 (20) |
| 60 | peter wild | 125696 | 20:20 | 83 (24) | 98 (22) | 100 (21) | 97 (23) | 120 (23) |
| 61 | MickinEly2 | 73016 | 20:37 | 96 (13) | 102 (18) | 98 (14) | 99 (13) | 102 (11) |
| 62 | Ben Ganly | 82030 | 20:42 | 85 (18) | 99 (14) | 107 (15) | 96 (14) | 113 (15) |
| 63 | Zabadak | 111219 | 21:03 | 82 (17) | 113 (21) | 97 (19) | 97 (20) | 104 (21) |
| 64 | AnneGinger | 84393 | 21:38 | 81 (15) | 107 (16) | 99 (12) | 110 (19) | 96 (13) |
| 65 | Groucho | 87596 | 21:47 | 85 (14) | 96 (18) | 99 (14) | 97 (18) | 126 (13) |
| 66 | NJeagle | 106421 | 22:10 | 86 (18) | 95 (17) | 106 (17) | 92 (15) | 114 (23) |
| 67 | Big Mick | 90853 | 22:36 | 90 (16) | 97 (14) | 97 (14) | 102 (18) | 111 (15) |
| 68 | Helly Welly | 91287 | 22:42 | 88 (13) | 93 (19) | 90 (10) | 97 (19) | 125 (16) |
| 69 | alanjcannon | 111265 | 22:53 | 88 (18) | 98 (19) | 98 (16) | 99 (18) | 113 (20) |
| 70 | zythum | 127101 | 23:01 | 87 (23) | 97 (19) | 110 (20) | 92 (19) | 111 (21) |
| 71 | barracuda | 138344 | 23:03 | 79 (23) | 104 (22) | 104 (21) | 98 (23) | 115 (21) |
| 72 | Bobchapman | 61063 | 23:07 | 91 (11) | 93 (10) | 107 (15) | 90 (11) | 123 (7) |
| 73 | Bobb | 94093 | 24:07 | 83 (12) | 102 (21) | 93 (17) | 101 (11) | 116 (14) |
| 74 | PeterMabey | 107217 | 24:08 | 83 (17) | 104 (13) | 102 (20) | 102 (22) | 110 (12) |
| 75 | Galspray | 96475 | 24:21 | 90 (16) | 86 (10) | 84 (18) | 100 (17) | 137 (15) |
| 76 | Edprof | 108484 | 24:26 | 83 (17) | 96 (16) | 113 (15) | 86 (17) | 119 (19) |
| 77 | leonora | 83945 | 24:32 | 85 (14) | 106 (12) | 101 (14) | 94 (14) | 114 (13) |
| 78 | Solver52 | 92584 | 25:17 | 87 (21) | 112 (13) | 101 (14) | 89 (12) | 119 (11) |
| 79 | benedick | 100122 | 25:17 | 88 (13) | 100 (18) | 104 (16) | 94 (14) | 109 (15) |
| 80 | KarenR | 122487 | 25:31 | 85 (19) | 96 (18) | 102 (18) | 100 (15) | 114 (20) |
| 81 | Julian West | 72495 | 25:42 | 71 (10) | 102 (16) | 91 (13) | 110 (9) | 132 (9) |
| 82 | crosswordian | 123600 | 25:45 | 83 (20) | 95 (19) | 105 (19) | 109 (16) | 110 (16) |
| 83 | me_phobete | 102717 | 26:20 | 88 (17) | 95 (12) | 92 (13) | 101 (16) | 118 (17) |
| 84 | NAPASAI | 60360 | 26:28 | 83 (9) | 113 (10) | 92 (11) | 107 (11) | 100 (7) |
| 85 | burrowz1b | 77114 | 26:46 | 82 (8) | 92 (15) | 92 (11) | 108 (10) | 116 (14) |
| 86 | Chadwick | 109153 | 27:33 | 89 (16) | 100 (15) | 105 (17) | 102 (15) | 100 (13) |
| 87 | Son of Smug | 75202 | 27:51 | 91 (10) | 105 (13) | 97 (10) | 87 (10) | 112 (12) |
| 88 | alexh | 46992 | 27:58 | 81 (7) | 109 (8) | 108 (6) | 99 (9) | 100 (8) |
| 89 | stockynige | 53794 | 28:01 | 91 (11) | 98 (6) | 101 (10) | 105 (8) | 108 (7) |
| 90 | oldpalace | 84490 | 28:44 | 96 (14) | 99 (13) | 95 (11) | 97 (9) | 110 (12) |
| 91 | rosselliot | 63373 | 29:20 | 91 (10) | 100 (9) | 100 (10) | 114 (6) | 100 (11) |
| 92 | Prytherch | 110916 | 29:20 | 95 (11) | 99 (13) | 109 (15) | 91 (18) | 104 (16) |
| 93 | diogenes | 86457 | 29:24 | 88 (14) | 98 (9) | 119 (11) | 85 (13) | 113 (12) |
| 94 | Jefe | 77979 | 29:32 | 68 (8) | 90 (10) | 111 (8) | 89 (15) | 130 (13) |
| 95 | Barry Smith | 115510 | 29:37 | 80 (13) | 106 (18) | 102 (10) | 90 (17) | 115 (17) |
| 96 | Moles | 78749 | 29:49 | 85 (11) | 103 (10) | 107 (11) | 93 (12) | 112 (10) |
| 97 | anthea | 111435 | 29:57 | 102 (9) | 95 (14) | 104 (13) | 94 (17) | 103 (19) |
| 98 | Ron's mum | 79698 | 32:23 | 84 (8) | 93 (8) | 90 (13) | 79 (12) | 156 (10) |
| 99 | Big Nug | 103351 | 32:30 | 83 (12) | 107 (12) | 89 (15) | 94 (12) | 128 (12) |
| 100 | MaxenEH | 56974 | 32:44 | 83 (6) | 104 (6) | 107 (10) | 96 (9) | 101 (8) |
| 101 | Clovis | 75531 | 33:07 | 83 (13) | 100 (8) | 75 (9) | 105 (8) | 139 (10) |
| 102 | koro | 115704 | 33:49 | 86 (11) | 110 (12) | 97 (13) | 98 (16) | 105 (15) |
| 103 | Jeeves | 123450 | 35:28 | 83 (14) | 105 (13) | 95 (15) | 98 (12) | 116 (14) |
| 104 | cassandra | 73630 | 39:35 | 100 (6) | 92 (11) | 96 (8) | 101 (6) | 109 (10) |