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 | mohn | 12634 | 05:15 | 87 (10) | 100 (10) | 84 (7) | 106 (14) | 114 (9) |
| 2 | Magoo | 16857 | 05:58 | 83 (11) | 98 (11) | 98 (11) | 111 (13) | 105 (11) |
| 3 | Eamon Ryan | 49944 | 06:56 | 83 (27) | 94 (25) | 101 (27) | 101 (26) | 120 (25) |
| 4 | Jason | 50697 | 07:24 | 79 (25) | 102 (24) | 103 (25) | 103 (25) | 111 (25) |
| 5 | verlaine | 56300 | 07:34 | 77 (27) | 103 (27) | 100 (26) | 111 (27) | 107 (27) |
| 6 | mistigris | 50288 | 08:22 | 82 (18) | 100 (23) | 102 (24) | 101 (23) | 109 (22) |
| 7 | aphis99 | 60535 | 08:37 | 84 (25) | 94 (25) | 97 (25) | 106 (26) | 116 (26) |
| 8 | Midas | 65165 | 09:07 | 86 (26) | 93 (27) | 103 (26) | 105 (24) | 111 (26) |
| 9 | AlanS | 69929 | 09:37 | 86 (26) | 100 (27) | 103 (26) | 102 (25) | 106 (27) |
| 10 | chindit | 74082 | 10:12 | 83 (27) | 91 (25) | 111 (26) | 104 (27) | 109 (26) |
| 11 | asaldanha | 67248 | 10:22 | 74 (21) | 92 (24) | 101 (26) | 99 (24) | 130 (23) |
| 12 | chriswords | 63529 | 11:01 | 87 (24) | 92 (20) | 106 (22) | 110 (24) | 103 (16) |
| 13 | glheard | 62172 | 11:38 | 82 (22) | 96 (20) | 88 (17) | 121 (22) | 110 (18) |
| 14 | trux | 34830 | 11:50 | 76 (13) | 103 (10) | 100 (16) | 110 (11) | 118 (9) |
| 15 | lickert | 79563 | 11:50 | 84 (25) | 86 (25) | 105 (25) | 113 (24) | 110 (23) |
| 16 | Tom Stubbs | 85346 | 12:09 | 83 (25) | 101 (26) | 105 (25) | 104 (26) | 104 (25) |
| 17 | Topical Tim | 84288 | 12:32 | 72 (26) | 93 (24) | 108 (23) | 117 (24) | 110 (25) |
| 18 | Spur58 | 46658 | 12:57 | 98 (12) | 99 (18) | 97 (16) | 96 (13) | 110 (11) |
| 19 | SimonAnthony | 72811 | 13:29 | 69 (21) | 92 (20) | 83 (19) | 111 (17) | 138 (23) |
| 20 | noidea | 68185 | 13:31 | 93 (24) | 104 (20) | 97 (14) | 102 (20) | 102 (16) |
| 21 | fshephe | 99020 | 13:31 | 92 (26) | 95 (27) | 94 (26) | 107 (27) | 109 (26) |
| 22 | keriothe_ | 91993 | 13:34 | 78 (24) | 102 (25) | 101 (24) | 105 (23) | 110 (27) |
| 23 | neilr | 94889 | 13:38 | 86 (25) | 90 (25) | 102 (26) | 106 (26) | 112 (24) |
| 24 | Stavros | 79138 | 13:44 | 81 (21) | 99 (22) | 97 (21) | 113 (21) | 108 (21) |
| 25 | Silva | 99132 | 13:46 | 83 (27) | 95 (27) | 100 (26) | 102 (25) | 119 (25) |
| 26 | p.wild | 103897 | 13:51 | 88 (27) | 101 (27) | 99 (27) | 103 (27) | 107 (27) |
| 27 | jimpen | 93102 | 13:58 | 85 (26) | 95 (26) | 105 (26) | 106 (19) | 109 (24) |
| 28 | Sheapey | 88439 | 14:10 | 78 (24) | 93 (22) | 102 (23) | 107 (21) | 117 (24) |
| 29 | mikegrocott | 60510 | 14:12 | 85 (10) | 96 (12) | 101 (22) | 102 (20) | 104 (17) |
| 30 | xyster | 40098 | 14:31 | 79 (15) | 86 (10) | 117 (10) | 112 (11) | 115 (10) |
| 31 | Tibthorpe | 93058 | 14:37 | 82 (26) | 96 (24) | 100 (23) | 112 (23) | 113 (20) |
| 32 | Groucho | 66918 | 14:40 | 86 (22) | 107 (19) | 91 (16) | 112 (19) | 104 (10) |
| 33 | Malcj | 91427 | 14:47 | 78 (24) | 97 (22) | 106 (24) | 105 (20) | 112 (23) |
| 34 | cyrillic | 88429 | 14:53 | 82 (21) | 91 (23) | 105 (24) | 115 (22) | 105 (19) |
| 35 | Sue Sweeper | 73098 | 15:37 | 79 (16) | 90 (19) | 108 (21) | 107 (18) | 113 (14) |
| 36 | MikeOsborne | 101603 | 15:49 | 78 (25) | 105 (24) | 98 (25) | 110 (21) | 109 (22) |
| 37 | Spanna | 44084 | 16:19 | 93 (16) | 106 (13) | 95 (11) | 105 (7) | 105 (8) |
| 38 | David Crooks | 95180 | 16:21 | 78 (24) | 97 (23) | 103 (20) | 102 (18) | 120 (22) |
| 39 | phthisis | 62509 | 17:04 | 75 (17) | 104 (15) | 108 (14) | 111 (13) | 108 (12) |
| 40 | sotira | 102519 | 17:47 | 80 (22) | 98 (21) | 100 (21) | 110 (20) | 110 (22) |
| 41 | JezWoolfrey | 39725 | 17:53 | 75 (9) | 99 (11) | 95 (11) | 98 (7) | 132 (9) |
| 42 | robinh | 111964 | 18:07 | 88 (22) | 94 (24) | 100 (22) | 108 (23) | 108 (22) |
| 43 | OliviaRhineb | 127535 | 18:10 | 77 (26) | 98 (27) | 104 (23) | 110 (26) | 109 (25) |
| 44 | GMcD | 136930 | 18:24 | 81 (27) | 95 (27) | 106 (27) | 111 (26) | 104 (27) |
| 45 | Squallaby | 113237 | 18:30 | 80 (25) | 91 (21) | 88 (18) | 114 (24) | 121 (24) |
| 46 | LouWeed | 141005 | 18:57 | 81 (27) | 101 (27) | 100 (27) | 108 (27) | 107 (26) |
| 47 | Craven | 138171 | 19:21 | 87 (27) | 100 (27) | 99 (25) | 106 (27) | 106 (23) |
| 48 | annelambirth | 105862 | 19:36 | 92 (24) | 101 (21) | 92 (19) | 103 (20) | 113 (16) |
| 49 | Looch | 122700 | 20:14 | 87 (23) | 96 (20) | 102 (23) | 109 (22) | 105 (23) |
| 50 | Ed freshpot | 126561 | 20:28 | 87 (23) | 99 (22) | 93 (23) | 102 (23) | 117 (22) |
| 51 | sampson | 74040 | 20:34 | 93 (17) | 99 (15) | 98 (13) | 103 (14) | 108 (11) |
| 52 | barracuda | 150343 | 20:42 | 78 (27) | 105 (27) | 96 (26) | 106 (26) | 113 (25) |
| 53 | poskir | 107044 | 20:44 | 97 (22) | 101 (17) | 100 (18) | 98 (21) | 102 (18) |
| 54 | mcjwright | 142776 | 20:52 | 81 (26) | 98 (23) | 101 (26) | 103 (26) | 116 (23) |
| 55 | benedick | 89347 | 20:58 | 85 (21) | 96 (17) | 109 (13) | 105 (16) | 111 (14) |
| 56 | Zabadak | 128095 | 21:08 | 82 (24) | 93 (19) | 101 (21) | 110 (23) | 111 (24) |
| 57 | John Arnold | 76206 | 21:10 | 87 (21) | 91 (13) | 100 (12) | 110 (14) | 126 (10) |
| 58 | pterodactyl | 106748 | 21:10 | 87 (19) | 98 (21) | 98 (20) | 107 (18) | 111 (16) |
| 59 | Kevin Gregg | 128925 | 21:29 | 77 (24) | 107 (22) | 100 (21) | 104 (21) | 112 (22) |
| 60 | colin2355 | 135334 | 22:19 | 79 (22) | 101 (24) | 98 (23) | 116 (19) | 105 (23) |
| 61 | Solver52 | 167707 | 22:32 | 91 (27) | 98 (27) | 102 (27) | 102 (26) | 105 (27) |
| 62 | gbestanley | 124872 | 23:07 | 85 (25) | 99 (21) | 102 (19) | 106 (18) | 112 (17) |
| 63 | zythum | 67622 | 23:58 | 86 (12) | 94 (10) | 97 (15) | 125 (9) | 103 (11) |
| 64 | fudgiebates | 78217 | 24:08 | 87 (17) | 106 (14) | 106 (14) | 89 (10) | 116 (9) |
| 65 | Chadwick | 96148 | 24:39 | 83 (15) | 100 (15) | 101 (16) | 112 (15) | 102 (14) |
| 66 | dec | 87577 | 25:36 | 90 (15) | 97 (12) | 103 (10) | 104 (16) | 104 (14) |
| 67 | rjcassidy | 145196 | 25:44 | 75 (21) | 98 (20) | 100 (18) | 111 (24) | 111 (21) |
| 68 | NAPASAI | 110115 | 26:13 | 87 (19) | 103 (17) | 105 (15) | 99 (10) | 104 (19) |
| 69 | dont_panic | 132474 | 26:17 | 78 (19) | 91 (18) | 102 (17) | 114 (19) | 111 (21) |
| 70 | diogenes | 168726 | 26:46 | 81 (26) | 100 (24) | 100 (22) | 112 (22) | 109 (21) |
| 71 | phmfantom | 140817 | 26:58 | 82 (22) | 107 (14) | 98 (22) | 108 (21) | 107 (18) |
| 72 | William M | 111866 | 27:01 | 78 (18) | 96 (16) | 99 (12) | 114 (16) | 113 (17) |
| 73 | Edprof | 80343 | 27:19 | 80 (13) | 105 (12) | 98 (13) | 109 (13) | 111 (8) |
| 74 | Manveru | 122389 | 27:33 | 96 (21) | 95 (17) | 107 (14) | 96 (18) | 108 (14) |
| 75 | cassandra | 145406 | 28:51 | 91 (19) | 98 (19) | 99 (19) | 107 (19) | 103 (18) |
| 76 | ulaca | 171709 | 31:06 | 77 (25) | 108 (21) | 96 (18) | 111 (20) | 113 (18) |
| 77 | nekabue | 211695 | 31:13 | 81 (26) | 96 (25) | 97 (23) | 106 (24) | 119 (25) |
| 78 | Jeeves | 92203 | 32:00 | 56 (11) | 90 (11) | 119 (11) | 108 (14) | 121 (11) |
| 79 | Big Nug | 214438 | 32:29 | 83 (24) | 107 (24) | 96 (26) | 109 (24) | 103 (22) |
| 80 | rosselliot | 171441 | 32:50 | 78 (19) | 97 (19) | 109 (21) | 105 (20) | 107 (18) |
| 81 | Glyndwr | 173291 | 33:11 | 88 (24) | 98 (23) | 104 (20) | 104 (18) | 114 (12) |
| 82 | FelicityTT | 97620 | 33:12 | 72 (8) | 94 (12) | 91 (12) | 108 (13) | 117 (14) |
| 83 | JohnDun | 225283 | 33:13 | 72 (23) | 93 (26) | 111 (25) | 110 (24) | 110 (25) |
| 84 | koro | 209242 | 33:31 | 81 (22) | 99 (24) | 104 (23) | 104 (22) | 108 (23) |
| 85 | Tudds | 240014 | 34:47 | 67 (25) | 99 (25) | 91 (25) | 121 (25) | 120 (25) |
| 86 | 1234 | 221060 | 35:05 | 84 (25) | 106 (23) | 92 (23) | 108 (22) | 110 (22) |
| 87 | Crippens1 | 184396 | 35:19 | 82 (21) | 97 (23) | 105 (20) | 117 (16) | 103 (17) |
| 88 | eniamretrauq | 178943 | 35:55 | 78 (19) | 98 (14) | 90 (21) | 119 (21) | 112 (18) |
| 89 | empty | 279750 | 40:11 | 89 (25) | 99 (25) | 103 (25) | 106 (26) | 100 (25) |