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 | 26444 | 05:47 | 85 (17) | 105 (18) | 106 (15) | 94 (19) | 110 (17) |
| 2 | Eamon Ryan | 44453 | 06:36 | 94 (24) | 99 (25) | 100 (22) | 94 (25) | 111 (26) |
| 3 | Lettuceleaf | 32681 | 07:10 | 87 (20) | 97 (16) | 101 (14) | 103 (18) | 111 (18) |
| 4 | Jason | 49955 | 07:14 | 79 (23) | 102 (25) | 97 (26) | 95 (25) | 121 (26) |
| 5 | Bogota Eagle | 25689 | 08:33 | 80 (8) | 96 (13) | 95 (12) | 100 (14) | 118 (13) |
| 6 | DaddyM | 40471 | 08:38 | 99 (19) | 106 (22) | 70 (17) | 116 (15) | 109 (15) |
| 7 | verlaine | 55955 | 09:08 | 76 (24) | 103 (24) | 101 (21) | 96 (21) | 124 (22) |
| 8 | auchiedollie | 56061 | 10:02 | 88 (23) | 99 (23) | 108 (21) | 102 (22) | 104 (14) |
| 9 | aphis99 | 63855 | 10:26 | 81 (22) | 101 (25) | 93 (21) | 106 (21) | 115 (23) |
| 10 | richard | 58196 | 10:32 | 84 (22) | 98 (23) | 105 (16) | 100 (22) | 115 (19) |
| 11 | AlanS | 68344 | 10:32 | 83 (25) | 103 (23) | 100 (23) | 91 (22) | 120 (25) |
| 12 | Peter Fowler | 24417 | 11:18 | 98 (10) | 101 (12) | 100 (8) | 96 (6) | 101 (10) |
| 13 | Tom Stubbs | 77325 | 11:42 | 88 (26) | 95 (26) | 96 (22) | 96 (23) | 124 (23) |
| 14 | retiarius | 24821 | 11:49 | 82 (11) | 106 (9) | 102 (8) | 101 (11) | 120 (6) |
| 15 | lickert | 72727 | 11:53 | 80 (23) | 101 (23) | 96 (21) | 92 (22) | 127 (23) |
| 16 | Heyesey | 37282 | 11:56 | 93 (15) | 89 (9) | 101 (15) | 89 (9) | 117 (14) |
| 17 | glheard | 54210 | 12:02 | 86 (20) | 111 (18) | 102 (16) | 93 (19) | 111 (12) |
| 18 | tonysever | 79670 | 12:04 | 84 (23) | 110 (24) | 95 (25) | 90 (23) | 117 (25) |
| 19 | chindit | 84194 | 12:05 | 81 (25) | 100 (24) | 102 (26) | 97 (26) | 117 (25) |
| 20 | trux | 35145 | 12:12 | 89 (14) | 112 (15) | 92 (14) | 99 (9) | 112 (6) |
| 21 | alanconnor | 45590 | 12:15 | 72 (15) | 95 (14) | 107 (15) | 91 (15) | 138 (13) |
| 22 | Denis | 38786 | 12:55 | 85 (11) | 95 (13) | 102 (10) | 96 (12) | 116 (14) |
| 23 | Topical Tim | 83853 | 13:18 | 75 (24) | 101 (25) | 106 (20) | 95 (23) | 123 (23) |
| 24 | aphasic | 48343 | 13:25 | 89 (17) | 103 (12) | 103 (15) | 94 (15) | 117 (11) |
| 25 | keriothe_ | 61180 | 13:35 | 91 (21) | 100 (17) | 99 (17) | 109 (16) | 104 (14) |
| 26 | Silva | 84752 | 13:50 | 84 (23) | 102 (25) | 100 (20) | 101 (22) | 112 (22) |
| 27 | neilr | 94702 | 14:05 | 86 (25) | 100 (24) | 96 (22) | 97 (25) | 117 (26) |
| 28 | Stavros | 95101 | 14:16 | 82 (22) | 112 (26) | 90 (23) | 103 (25) | 108 (25) |
| 29 | mchalen | 99074 | 14:21 | 83 (24) | 102 (26) | 100 (24) | 99 (25) | 112 (26) |
| 30 | mikegrocott | 62225 | 14:24 | 95 (15) | 97 (14) | 96 (16) | 101 (17) | 106 (20) |
| 31 | Tibthorpe | 92284 | 15:04 | 80 (23) | 93 (23) | 105 (19) | 90 (23) | 129 (24) |
| 32 | jjp | 71662 | 15:07 | 92 (19) | 96 (21) | 103 (16) | 99 (19) | 113 (14) |
| 33 | SimonAnthony | 45463 | 15:09 | 86 (12) | 92 (12) | 90 (10) | 99 (13) | 126 (13) |
| 34 | fshephe | 98471 | 15:20 | 87 (23) | 100 (24) | 97 (20) | 99 (24) | 112 (26) |
| 35 | Toffer | 85764 | 15:22 | 83 (20) | 93 (21) | 103 (21) | 100 (20) | 118 (21) |
| 36 | Sue Sweeper | 64555 | 15:35 | 84 (19) | 91 (18) | 103 (15) | 99 (13) | 129 (14) |
| 37 | phthisis | 77965 | 15:50 | 84 (17) | 102 (20) | 97 (19) | 94 (17) | 118 (19) |
| 38 | Margaretlarb | 38405 | 16:24 | 96 (8) | 97 (11) | 99 (10) | 97 (9) | 107 (11) |
| 39 | sotira | 102099 | 16:31 | 77 (22) | 100 (23) | 96 (21) | 101 (24) | 122 (23) |
| 40 | earlylight | 65641 | 16:34 | 94 (16) | 97 (16) | 112 (13) | 90 (13) | 104 (18) |
| 41 | robinh | 89907 | 16:38 | 87 (20) | 100 (21) | 100 (18) | 102 (22) | 109 (19) |
| 42 | OliviaRhineb | 108859 | 16:57 | 82 (25) | 103 (25) | 96 (21) | 103 (24) | 115 (22) |
| 43 | RHB | 90075 | 17:15 | 84 (20) | 101 (20) | 95 (21) | 90 (16) | 125 (20) |
| 44 | ChuckB | 113383 | 17:29 | 81 (25) | 96 (24) | 104 (20) | 102 (25) | 116 (24) |
| 45 | nesbitt | 71878 | 17:37 | 81 (17) | 94 (21) | 110 (15) | 102 (14) | 124 (11) |
| 46 | Bernard S | 86341 | 17:59 | 88 (18) | 100 (20) | 84 (13) | 107 (19) | 111 (20) |
| 47 | rpb | 99147 | 18:21 | 75 (23) | 101 (21) | 99 (19) | 96 (17) | 130 (20) |
| 48 | pterodactyl | 82095 | 18:29 | 92 (19) | 94 (18) | 99 (13) | 97 (20) | 122 (14) |
| 49 | noidea | 82306 | 18:32 | 91 (15) | 97 (17) | 93 (14) | 95 (20) | 118 (18) |
| 50 | Carol | 72643 | 18:37 | 89 (18) | 102 (17) | 111 (11) | 88 (14) | 112 (15) |
| 51 | mark oshin | 65312 | 18:46 | 76 (15) | 104 (13) | 96 (10) | 101 (15) | 119 (15) |
| 52 | David Crooks | 111763 | 19:12 | 88 (22) | 101 (22) | 99 (21) | 93 (20) | 116 (22) |
| 53 | reindeer | 104184 | 19:30 | 85 (20) | 99 (20) | 106 (17) | 99 (21) | 110 (21) |
| 54 | David P | 108967 | 19:31 | 88 (23) | 98 (15) | 93 (16) | 92 (24) | 123 (25) |
| 55 | Groucho | 96311 | 19:34 | 79 (22) | 105 (17) | 98 (17) | 102 (21) | 124 (15) |
| 56 | sampson | 86876 | 19:50 | 93 (18) | 101 (16) | 97 (16) | 94 (17) | 114 (16) |
| 57 | GMcD | 131952 | 20:10 | 74 (25) | 111 (23) | 83 (22) | 96 (24) | 132 (25) |
| 58 | John Arnold | 74638 | 20:23 | 88 (20) | 99 (14) | 118 (12) | 88 (11) | 110 (14) |
| 59 | Big Mick | 110570 | 20:28 | 83 (21) | 100 (25) | 98 (21) | 91 (18) | 134 (15) |
| 60 | peter wild | 125344 | 20:28 | 86 (24) | 101 (24) | 97 (19) | 100 (23) | 113 (22) |
| 61 | Ron's mum | 108520 | 20:33 | 68 (20) | 107 (19) | 97 (21) | 75 (19) | 152 (19) |
| 62 | AnneGinger | 102926 | 20:55 | 81 (21) | 98 (20) | 109 (17) | 100 (19) | 116 (15) |
| 63 | barracuda | 129753 | 21:24 | 83 (25) | 100 (22) | 98 (22) | 98 (21) | 121 (21) |
| 64 | Helly Welly | 63027 | 21:26 | 83 (11) | 91 (13) | 96 (10) | 103 (14) | 125 (11) |
| 65 | anthea | 116121 | 21:59 | 98 (17) | 99 (22) | 101 (16) | 100 (20) | 100 (23) |
| 66 | alanjcannon | 122059 | 22:06 | 89 (23) | 93 (21) | 99 (19) | 104 (19) | 115 (20) |
| 67 | Zabadak | 129610 | 22:30 | 79 (20) | 104 (20) | 97 (21) | 101 (23) | 115 (22) |
| 68 | Kevin Gregg | 123030 | 22:47 | 88 (21) | 97 (19) | 98 (19) | 100 (21) | 114 (20) |
| 69 | zythum | 142946 | 22:54 | 85 (22) | 99 (22) | 91 (21) | 99 (24) | 120 (25) |
| 70 | Edprof | 143530 | 23:41 | 80 (25) | 99 (23) | 110 (21) | 93 (22) | 121 (20) |
| 71 | PeterMabey | 136857 | 24:15 | 82 (21) | 96 (15) | 94 (24) | 98 (24) | 129 (20) |
| 72 | benedick | 90524 | 24:20 | 86 (15) | 91 (12) | 89 (19) | 87 (10) | 138 (16) |
| 73 | Son of Smug | 112521 | 24:40 | 74 (14) | 99 (20) | 100 (17) | 109 (18) | 110 (17) |
| 74 | crosswordian | 145270 | 24:42 | 91 (23) | 98 (20) | 97 (21) | 98 (22) | 114 (22) |
| 75 | Galspray | 148172 | 24:56 | 69 (22) | 105 (23) | 83 (23) | 97 (21) | 149 (20) |
| 76 | KarenR | 131679 | 25:31 | 79 (20) | 98 (20) | 111 (21) | 97 (17) | 113 (18) |
| 77 | Smiler | 114134 | 26:47 | 86 (17) | 94 (18) | 107 (14) | 99 (17) | 116 (15) |
| 78 | leonora | 153945 | 27:00 | 86 (22) | 91 (22) | 100 (17) | 101 (21) | 119 (23) |
| 79 | Chadwick | 94306 | 27:34 | 86 (13) | 105 (15) | 94 (10) | 91 (15) | 119 (14) |
| 80 | Julian West | 148879 | 27:34 | 71 (21) | 91 (20) | 112 (18) | 85 (21) | 141 (20) |
| 81 | me_phobete | 148631 | 27:50 | 81 (19) | 97 (20) | 90 (18) | 96 (20) | 128 (22) |
| 82 | Bobb | 95327 | 28:22 | 85 (10) | 106 (14) | 89 (12) | 98 (15) | 112 (15) |
| 83 | ccy23 | 129435 | 28:23 | 67 (14) | 85 (18) | 125 (18) | 94 (18) | 117 (18) |
| 84 | Barry Smith | 143715 | 28:30 | 87 (20) | 98 (19) | 91 (18) | 103 (17) | 118 (20) |
| 85 | NAPASAI | 108168 | 28:36 | 85 (14) | 89 (14) | 98 (16) | 96 (13) | 125 (16) |
| 86 | Moles | 101819 | 28:45 | 88 (11) | 95 (14) | 101 (13) | 102 (16) | 108 (15) |
| 87 | oldpalace | 110761 | 29:18 | 105 (13) | 103 (15) | 94 (14) | 100 (12) | 97 (19) |
| 88 | Manveru | 93557 | 29:59 | 90 (15) | 93 (16) | 107 (10) | 87 (9) | 123 (12) |
| 89 | burrowz1b | 133507 | 30:28 | 117 (16) | 137 (16) | 86 (14) | 75 (15) | 85 (22) |
| 90 | dec | 93369 | 31:07 | 116 (13) | 104 (10) | 89 (11) | 86 (16) | 108 (10) |
| 91 | Prytherch | 160151 | 32:09 | 90 (16) | 92 (19) | 102 (16) | 97 (19) | 112 (23) |
| 92 | stockynige | 63861 | 32:15 | 72 (8) | 83 (9) | 93 (8) | 82 (8) | 153 (10) |
| 93 | rosselliot | 173443 | 32:28 | 96 (19) | 90 (22) | 95 (17) | 97 (19) | 118 (22) |
| 94 | Jefe | 138874 | 33:03 | 83 (20) | 87 (19) | 89 (14) | 104 (12) | 145 (15) |
| 95 | Jeeves | 158246 | 33:23 | 83 (14) | 100 (20) | 89 (16) | 99 (19) | 119 (20) |
| 96 | koro | 159074 | 33:33 | 86 (18) | 94 (18) | 102 (14) | 97 (18) | 116 (21) |
| 97 | Ben Ganly | 183287 | 35:56 | 59 (16) | 84 (21) | 68 (17) | 199 (21) | 68 (20) |
| 98 | Glyndwr | 165527 | 36:17 | 82 (22) | 94 (16) | 86 (14) | 106 (15) | 130 (19) |
| 99 | nekabue | 167549 | 37:13 | 70 (19) | 111 (18) | 113 (18) | 85 (13) | 117 (17) |
| 100 | fudgiebates | 136809 | 37:22 | 78 (14) | 108 (17) | 90 (12) | 98 (13) | 118 (15) |
| 101 | lesbunch | 110598 | 39:13 | 71 (12) | 87 (10) | 85 (8) | 85 (13) | 152 (14) |
| 102 | 1234 | 146293 | 39:19 | 77 (14) | 107 (16) | 93 (11) | 93 (17) | 126 (14) |
| 103 | JerryR | 168897 | 40:47 | 80 (18) | 105 (16) | 93 (12) | 101 (17) | 119 (16) |
| 104 | cassandra | 221947 | 41:06 | 93 (22) | 97 (20) | 102 (16) | 99 (19) | 107 (23) |
| 105 | ulaca | 162125 | 42:13 | 71 (8) | 105 (15) | 89 (15) | 97 (18) | 117 (18) |
| 106 | diogenes | 150384 | 49:08 | 55 (13) | 139 (14) | 127 (12) | 88 (13) | 80 (9) |
| 107 | Clovis | 297197 | 67:51 | 37 (18) | 48 (17) | 129 (15) | 118 (16) | 174 (17) |