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 | Eylesie | 11902 | 03:44 | 101 (13) | 98 (12) | 98 (11) | 100 (13) | 100 (14) |
| 2 | Magoo | 33781 | 05:55 | 80 (19) | 100 (23) | 103 (15) | 106 (25) | 106 (23) |
| 3 | mohn | 28664 | 06:43 | 84 (17) | 106 (20) | 100 (14) | 104 (16) | 103 (14) |
| 4 | Jason | 42275 | 07:07 | 88 (22) | 112 (20) | 99 (22) | 96 (24) | 105 (21) |
| 5 | Lettuceleaf | 25060 | 07:35 | 85 (12) | 90 (12) | 94 (14) | 120 (16) | 102 (11) |
| 6 | Eamon Ryan | 51533 | 07:52 | 79 (22) | 98 (24) | 106 (24) | 109 (24) | 104 (25) |
| 7 | Bogota Eagle | 46064 | 08:37 | 80 (21) | 103 (21) | 101 (18) | 110 (20) | 105 (19) |
| 8 | auchiedollie | 21883 | 08:41 | 88 (13) | 116 (12) | 104 (8) | 95 (10) | 95 (9) |
| 9 | aphis99 | 47312 | 09:16 | 79 (17) | 107 (19) | 111 (22) | 90 (21) | 109 (16) |
| 10 | verlaine | 50654 | 09:35 | 74 (19) | 99 (18) | 102 (20) | 102 (19) | 119 (22) |
| 11 | richard | 49612 | 09:57 | 91 (20) | 103 (22) | 90 (13) | 104 (20) | 106 (18) |
| 12 | alanconnor | 30517 | 11:18 | 82 (16) | 103 (9) | 114 (12) | 103 (9) | 107 (9) |
| 13 | lickert | 69304 | 11:26 | 81 (24) | 111 (24) | 102 (19) | 101 (21) | 104 (23) |
| 14 | Tom Stubbs | 70234 | 11:49 | 86 (22) | 90 (23) | 106 (19) | 103 (22) | 113 (23) |
| 15 | tonysever | 77394 | 11:56 | 81 (25) | 104 (24) | 103 (20) | 105 (23) | 106 (26) |
| 16 | Heyesey | 59276 | 12:20 | 74 (18) | 108 (16) | 129 (18) | 93 (22) | 96 (16) |
| 17 | retiarius | 33481 | 12:24 | 83 (10) | 99 (15) | 101 (11) | 111 (10) | 103 (9) |
| 18 | Quizimodo | 81237 | 12:25 | 82 (22) | 103 (24) | 105 (24) | 106 (24) | 100 (25) |
| 19 | Peter Fowler | 75077 | 12:30 | 95 (20) | 102 (24) | 101 (24) | 103 (22) | 97 (20) |
| 20 | chindit | 70972 | 12:35 | 84 (22) | 100 (21) | 96 (19) | 101 (23) | 118 (19) |
| 21 | Ben Staveley | 34047 | 12:36 | 77 (12) | 107 (13) | 108 (9) | 112 (13) | 92 (8) |
| 22 | mchalen | 81855 | 12:37 | 77 (25) | 101 (20) | 98 (25) | 104 (24) | 119 (24) |
| 23 | BoxBrownie | 32470 | 12:53 | 88 (15) | 102 (12) | 102 (6) | 101 (6) | 109 (13) |
| 24 | AlanS | 72763 | 12:54 | 82 (25) | 101 (22) | 105 (18) | 101 (16) | 111 (23) |
| 25 | trux | 21161 | 13:03 | 86 (6) | 103 (9) | 83 (6) | 105 (10) | 111 (6) |
| 26 | Toffer | 63839 | 13:28 | 81 (18) | 102 (19) | 105 (21) | 96 (15) | 113 (16) |
| 27 | Topical Tim | 72941 | 13:30 | 78 (23) | 101 (20) | 115 (15) | 99 (20) | 112 (22) |
| 28 | Silva | 81523 | 13:35 | 85 (23) | 109 (24) | 95 (16) | 97 (24) | 110 (23) |
| 29 | mikegrocott | 55741 | 13:39 | 83 (19) | 101 (16) | 116 (17) | 89 (12) | 109 (14) |
| 30 | Stavros | 64006 | 13:40 | 90 (21) | 108 (15) | 96 (19) | 100 (15) | 108 (18) |
| 31 | Denis | 92740 | 13:40 | 80 (26) | 100 (23) | 100 (24) | 106 (25) | 112 (25) |
| 32 | neilr | 82727 | 14:12 | 84 (23) | 102 (22) | 102 (18) | 100 (21) | 111 (23) |
| 33 | KenTurner | 68349 | 14:14 | 94 (17) | 98 (22) | 103 (18) | 104 (16) | 99 (17) |
| 34 | aphasic | 40387 | 14:19 | 94 (15) | 107 (12) | 98 (10) | 99 (12) | 102 (8) |
| 35 | jjp | 44087 | 14:59 | 77 (15) | 115 (11) | 103 (8) | 93 (11) | 116 (14) |
| 36 | Tibthorpe | 93068 | 15:12 | 80 (23) | 105 (22) | 113 (21) | 100 (23) | 101 (23) |
| 37 | phineus | 75810 | 15:13 | 80 (18) | 122 (19) | 100 (19) | 87 (18) | 106 (19) |
| 38 | Sue Sweeper | 54420 | 15:22 | 81 (15) | 97 (11) | 91 (15) | 111 (16) | 119 (12) |
| 39 | subbswamysg | 49770 | 15:57 | 82 (12) | 99 (12) | 104 (12) | 110 (14) | 100 (12) |
| 40 | robinh | 78299 | 16:06 | 86 (20) | 99 (20) | 104 (18) | 110 (17) | 101 (16) |
| 41 | AndyOwl | 104829 | 16:19 | 77 (22) | 103 (25) | 101 (23) | 104 (24) | 111 (23) |
| 42 | rpb | 73233 | 16:29 | 82 (17) | 108 (20) | 106 (15) | 90 (17) | 113 (15) |
| 43 | OliviaRhineb | 99852 | 16:38 | 79 (22) | 103 (23) | 103 (22) | 106 (22) | 107 (21) |
| 44 | nesbitt | 61086 | 16:41 | 86 (20) | 109 (16) | 108 (11) | 100 (18) | 106 (6) |
| 45 | RHB | 64212 | 16:43 | 79 (15) | 104 (16) | 105 (13) | 105 (17) | 105 (13) |
| 46 | sotira | 57260 | 16:44 | 86 (18) | 111 (19) | 88 (8) | 97 (9) | 110 (13) |
| 47 | earlylight | 88918 | 17:02 | 96 (18) | 104 (17) | 87 (20) | 103 (20) | 107 (22) |
| 48 | Margaretlarb | 47160 | 17:28 | 97 (10) | 100 (11) | 109 (9) | 113 (9) | 89 (16) |
| 49 | phthisis | 103280 | 17:33 | 88 (21) | 100 (23) | 106 (19) | 101 (24) | 104 (21) |
| 50 | kath | 28666 | 17:41 | 94 (10) | 92 (8) | 102 (6) | 108 (7) | 110 (6) |
| 51 | fshephe | 95622 | 17:42 | 74 (21) | 102 (18) | 108 (21) | 107 (21) | 107 (19) |
| 52 | Bernard S | 78873 | 18:15 | 88 (18) | 96 (14) | 101 (14) | 105 (20) | 108 (16) |
| 53 | mark oshin | 50491 | 18:17 | 83 (11) | 97 (9) | 106 (11) | 104 (9) | 105 (16) |
| 54 | andyt | 109094 | 18:21 | 91 (22) | 100 (21) | 99 (19) | 103 (24) | 104 (23) |
| 55 | pterodactyl | 71572 | 19:14 | 80 (13) | 96 (12) | 105 (20) | 99 (13) | 112 (14) |
| 56 | sampson | 82116 | 19:16 | 88 (19) | 100 (12) | 104 (16) | 106 (20) | 100 (14) |
| 57 | Zabadak | 94943 | 19:17 | 84 (19) | 109 (17) | 101 (15) | 98 (22) | 107 (19) |
| 58 | David Crooks | 116080 | 19:20 | 87 (24) | 101 (22) | 105 (21) | 94 (24) | 116 (19) |
| 59 | Kevin Gregg | 58067 | 19:21 | 76 (13) | 98 (10) | 116 (15) | 100 (11) | 104 (11) |
| 60 | reindeer | 92496 | 19:45 | 86 (18) | 99 (18) | 99 (17) | 105 (18) | 109 (17) |
| 61 | noidea | 48925 | 19:53 | 78 (7) | 102 (11) | 99 (8) | 91 (10) | 111 (15) |
| 62 | GMcD | 122781 | 20:15 | 85 (24) | 100 (23) | 110 (21) | 94 (21) | 110 (22) |
| 63 | AnneGinger | 83042 | 20:21 | 84 (17) | 105 (15) | 110 (12) | 102 (19) | 100 (15) |
| 64 | peter wild | 125971 | 20:23 | 79 (24) | 102 (22) | 108 (23) | 103 (22) | 106 (22) |
| 65 | David P | 111227 | 20:49 | 86 (24) | 102 (21) | 92 (14) | 108 (20) | 110 (20) |
| 66 | Bobb | 73777 | 20:50 | 84 (14) | 103 (14) | 92 (12) | 111 (14) | 106 (15) |
| 67 | MickinEly2 | 90968 | 21:03 | 97 (12) | 100 (20) | 105 (18) | 97 (16) | 97 (16) |
| 68 | alanjcannon | 65892 | 21:32 | 88 (14) | 90 (16) | 106 (9) | 92 (11) | 130 (11) |
| 69 | Ben Ganly | 84518 | 21:40 | 87 (15) | 104 (14) | 104 (17) | 95 (14) | 108 (15) |
| 70 | PeterMabey | 99488 | 21:49 | 84 (18) | 113 (17) | 100 (17) | 100 (19) | 101 (15) |
| 71 | Groucho | 69553 | 22:43 | 83 (14) | 111 (13) | 93 (11) | 109 (11) | 104 (12) |
| 72 | NJeagle | 105051 | 22:44 | 79 (17) | 102 (17) | 111 (18) | 98 (19) | 107 (16) |
| 73 | Julian West | 80618 | 22:46 | 76 (15) | 103 (12) | 112 (16) | 90 (14) | 120 (12) |
| 74 | Edprof | 98487 | 22:47 | 87 (13) | 91 (16) | 97 (18) | 106 (17) | 112 (18) |
| 75 | barracuda | 134682 | 23:37 | 77 (22) | 101 (22) | 112 (20) | 95 (21) | 114 (20) |
| 76 | Chadwick | 52882 | 23:49 | 76 (12) | 103 (10) | 108 (7) | 123 (7) | 104 (11) |
| 77 | zythum | 150713 | 23:55 | 78 (19) | 101 (24) | 102 (22) | 102 (26) | 109 (24) |
| 78 | Big Mick | 118147 | 24:00 | 80 (20) | 108 (19) | 95 (16) | 106 (17) | 110 (20) |
| 79 | Bert Dove | 43565 | 24:12 | 79 (11) | 120 (9) | 105 (6) | 105 (8) | 96 (6) |
| 80 | frost | 87936 | 24:25 | 73 (12) | 117 (14) | 87 (15) | 97 (15) | 121 (14) |
| 81 | Galspray | 100436 | 24:37 | 71 (19) | 117 (13) | 96 (20) | 119 (14) | 112 (12) |
| 82 | Jefe | 81377 | 25:06 | 80 (15) | 92 (11) | 117 (14) | 112 (11) | 100 (13) |
| 83 | benedick | 102480 | 25:07 | 77 (10) | 105 (15) | 107 (18) | 94 (16) | 103 (19) |
| 84 | me_phobete | 110864 | 26:01 | 81 (18) | 101 (18) | 109 (12) | 96 (17) | 117 (16) |
| 85 | Solver52 | 104176 | 26:18 | 87 (13) | 97 (16) | 104 (16) | 101 (14) | 105 (17) |
| 86 | leonora | 69777 | 26:25 | 81 (11) | 114 (8) | 102 (13) | 93 (12) | 114 (10) |
| 87 | Bobchapman | 86347 | 26:39 | 56 (12) | 107 (13) | 110 (11) | 111 (11) | 110 (17) |
| 88 | Son of Smug | 108357 | 26:57 | 79 (14) | 110 (19) | 95 (18) | 104 (14) | 108 (12) |
| 89 | tony13 | 60374 | 27:11 | 67 (8) | 106 (15) | 97 (11) | 106 (6) | 121 (7) |
| 90 | Mkgnao | 39385 | 27:21 | 68 (6) | 106 (7) | 112 (6) | 116 (8) | 87 (7) |
| 91 | Pwil3058 | 101150 | 27:38 | 80 (16) | 103 (17) | 106 (10) | 112 (13) | 102 (15) |
| 92 | crosswordian | 122107 | 27:52 | 82 (15) | 106 (18) | 101 (18) | 108 (16) | 97 (16) |
| 93 | Scoffer | 36893 | 27:56 | 86 (7) | 88 (6) | 117 (7) | 94 (6) | 111 (6) |
| 94 | KarenR | 106450 | 28:09 | 82 (16) | 98 (17) | 100 (15) | 112 (12) | 113 (13) |
| 95 | oldpalace | 86847 | 28:22 | 105 (6) | 102 (15) | 96 (12) | 98 (12) | 100 (16) |
| 96 | Prytherch | 81981 | 29:04 | 86 (8) | 103 (11) | 99 (12) | 100 (13) | 103 (13) |
| 97 | Moles | 73605 | 29:12 | 82 (8) | 105 (13) | 99 (6) | 103 (13) | 100 (12) |
| 98 | stockynige | 74308 | 29:29 | 75 (8) | 100 (12) | 88 (11) | 117 (8) | 112 (13) |
| 99 | rjr520 | 99523 | 30:43 | 72 (14) | 108 (15) | 90 (11) | 109 (16) | 127 (8) |
| 100 | koro | 101634 | 35:17 | 75 (7) | 106 (13) | 97 (14) | 102 (9) | 105 (15) |
| 101 | Jeeves | 90906 | 36:57 | 70 (6) | 103 (14) | 90 (9) | 97 (12) | 121 (10) |
| 102 | cassandra | 85811 | 39:43 | 87 (6) | 102 (9) | 98 (12) | 102 (9) | 102 (10) |