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 | 37464 | 05:50 | 85 (24) | 104 (24) | 100 (23) | 100 (25) | 110 (21) |
| 2 | mohn | 26343 | 06:39 | 74 (14) | 103 (17) | 108 (14) | 97 (15) | 112 (16) |
| 3 | shanson | 12273 | 07:03 | 88 (9) | 104 (8) | 98 (7) | 99 (9) | 115 (6) |
| 4 | Jason | 44148 | 07:04 | 81 (22) | 108 (24) | 101 (21) | 96 (23) | 109 (24) |
| 5 | Eamon Ryan | 49231 | 07:23 | 96 (27) | 98 (23) | 100 (23) | 102 (25) | 102 (23) |
| 6 | mistigris | 19627 | 08:10 | 77 (7) | 91 (11) | 115 (8) | 106 (15) | 102 (9) |
| 7 | Bogota Eagle | 29866 | 08:17 | 87 (14) | 104 (15) | 100 (15) | 103 (13) | 104 (13) |
| 8 | auchiedollie | 56022 | 08:58 | 89 (23) | 102 (26) | 100 (23) | 103 (20) | 104 (22) |
| 9 | Eylesie | 44318 | 09:00 | 83 (19) | 112 (19) | 127 (16) | 103 (19) | 78 (19) |
| 10 | aphis99 | 54969 | 09:15 | 82 (21) | 107 (22) | 105 (21) | 99 (25) | 104 (20) |
| 11 | verlaine | 56093 | 09:38 | 73 (21) | 97 (21) | 101 (21) | 108 (20) | 117 (24) |
| 12 | Ludo | 16306 | 09:42 | 93 (7) | 82 (7) | 121 (9) | 92 (8) | 101 (7) |
| 13 | richard | 56732 | 10:23 | 79 (18) | 105 (21) | 96 (20) | 90 (20) | 122 (22) |
| 14 | alanconnor | 28267 | 10:57 | 81 (12) | 100 (14) | 103 (7) | 117 (8) | 105 (12) |
| 15 | lickert | 73233 | 11:24 | 84 (25) | 102 (22) | 105 (23) | 99 (24) | 109 (23) |
| 16 | Tom Stubbs | 76008 | 11:24 | 87 (25) | 95 (24) | 104 (23) | 88 (25) | 126 (24) |
| 17 | tonysever | 75513 | 11:32 | 85 (24) | 103 (24) | 100 (22) | 94 (25) | 117 (24) |
| 18 | trux | 24843 | 11:49 | 88 (8) | 93 (11) | 110 (11) | 93 (8) | 116 (7) |
| 19 | Peter Fowler | 73135 | 12:04 | 95 (23) | 101 (19) | 99 (22) | 99 (24) | 104 (23) |
| 20 | Heyesey | 55073 | 12:34 | 80 (18) | 99 (19) | 98 (17) | 113 (16) | 114 (13) |
| 21 | KenTurner | 77810 | 12:35 | 95 (22) | 99 (25) | 100 (20) | 104 (22) | 100 (24) |
| 22 | Quizimodo | 80935 | 12:43 | 82 (22) | 108 (25) | 97 (25) | 98 (21) | 111 (23) |
| 23 | chindit | 81700 | 12:43 | 84 (24) | 108 (22) | 96 (21) | 99 (25) | 110 (25) |
| 24 | Silva | 79429 | 12:51 | 84 (24) | 111 (21) | 100 (20) | 99 (25) | 106 (23) |
| 25 | AlanS | 75711 | 13:25 | 79 (22) | 101 (21) | 101 (20) | 98 (21) | 120 (20) |
| 26 | Topical Tim | 67167 | 13:29 | 77 (21) | 98 (18) | 104 (15) | 109 (20) | 112 (19) |
| 27 | neilr | 76462 | 13:33 | 81 (24) | 108 (23) | 101 (21) | 103 (18) | 107 (18) |
| 28 | Toffer | 59248 | 13:42 | 84 (18) | 95 (14) | 107 (15) | 95 (19) | 119 (16) |
| 29 | Denis | 81937 | 13:56 | 89 (22) | 98 (22) | 98 (21) | 103 (23) | 110 (20) |
| 30 | mikegrocott | 67286 | 14:01 | 79 (22) | 110 (19) | 104 (14) | 98 (19) | 115 (16) |
| 31 | Stavros | 73727 | 14:17 | 82 (19) | 104 (19) | 100 (20) | 100 (19) | 112 (19) |
| 32 | Tibthorpe | 79401 | 14:23 | 82 (19) | 106 (21) | 100 (19) | 95 (21) | 112 (22) |
| 33 | mchalen | 97199 | 14:27 | 81 (25) | 104 (26) | 98 (25) | 97 (22) | 119 (24) |
| 34 | jjp | 58576 | 14:34 | 85 (21) | 113 (16) | 95 (13) | 102 (15) | 109 (12) |
| 35 | aphasic | 42258 | 14:40 | 80 (12) | 103 (14) | 101 (9) | 100 (13) | 116 (10) |
| 36 | earlylight | 82343 | 14:45 | 91 (20) | 100 (20) | 103 (20) | 105 (20) | 99 (23) |
| 37 | Sue Sweeper | 64135 | 15:16 | 78 (15) | 104 (21) | 112 (17) | 83 (13) | 116 (14) |
| 38 | AndyOwl | 92025 | 15:39 | 79 (22) | 97 (21) | 99 (20) | 108 (22) | 114 (23) |
| 39 | Werm | 62612 | 16:03 | 76 (17) | 104 (13) | 87 (15) | 117 (18) | 118 (12) |
| 40 | Margaretlarb | 52521 | 16:12 | 87 (13) | 102 (13) | 113 (12) | 107 (11) | 93 (15) |
| 41 | nesbitt | 46058 | 16:19 | 86 (16) | 106 (14) | 109 (9) | 102 (10) | 104 (8) |
| 42 | robinh | 93508 | 16:24 | 87 (23) | 101 (22) | 97 (18) | 102 (19) | 111 (23) |
| 43 | OliviaRhineb | 98626 | 16:26 | 78 (24) | 105 (22) | 105 (23) | 97 (22) | 116 (19) |
| 44 | phthisis | 104072 | 16:31 | 89 (23) | 102 (24) | 98 (22) | 104 (24) | 104 (22) |
| 45 | sotira | 72716 | 16:36 | 79 (19) | 111 (20) | 91 (11) | 92 (15) | 119 (18) |
| 46 | rpb | 78727 | 16:36 | 85 (20) | 109 (19) | 106 (15) | 91 (17) | 109 (18) |
| 47 | fshephe | 98559 | 16:45 | 78 (19) | 97 (24) | 99 (20) | 102 (21) | 117 (24) |
| 48 | RHB | 59212 | 17:00 | 79 (14) | 106 (14) | 95 (15) | 104 (13) | 118 (12) |
| 49 | subbswamysg | 44964 | 17:25 | 88 (12) | 89 (11) | 111 (10) | 110 (11) | 102 (9) |
| 50 | Bernard S | 56440 | 17:25 | 84 (10) | 109 (15) | 97 (10) | 102 (15) | 98 (14) |
| 51 | andyt | 78011 | 18:18 | 89 (17) | 106 (14) | 101 (16) | 97 (16) | 105 (18) |
| 52 | pterodactyl | 59472 | 18:21 | 92 (15) | 96 (16) | 112 (10) | 105 (9) | 100 (14) |
| 53 | GMcD | 113812 | 19:09 | 81 (22) | 102 (22) | 101 (22) | 98 (20) | 115 (23) |
| 54 | Kevin Gregg | 49476 | 19:10 | 80 (9) | 90 (8) | 101 (12) | 102 (13) | 115 (11) |
| 55 | sampson | 84838 | 19:22 | 89 (20) | 99 (16) | 104 (17) | 101 (19) | 111 (11) |
| 56 | David Crooks | 119126 | 19:39 | 88 (23) | 101 (21) | 101 (24) | 99 (22) | 111 (21) |
| 57 | reindeer | 98434 | 19:45 | 89 (18) | 99 (16) | 94 (18) | 109 (20) | 105 (21) |
| 58 | peter wild | 121300 | 19:49 | 79 (24) | 103 (22) | 97 (20) | 97 (23) | 123 (23) |
| 59 | David P | 115598 | 20:16 | 80 (21) | 101 (23) | 97 (17) | 104 (24) | 116 (20) |
| 60 | Ben Ganly | 80961 | 20:26 | 85 (20) | 104 (14) | 115 (16) | 100 (12) | 98 (14) |
| 61 | MickinEly2 | 71779 | 20:37 | 100 (9) | 99 (18) | 100 (13) | 97 (15) | 102 (13) |
| 62 | trishwain | 33694 | 20:47 | 91 (9) | 113 (7) | 85 (6) | 113 (8) | 94 (7) |
| 63 | Zabadak | 116627 | 20:54 | 80 (19) | 110 (23) | 101 (18) | 99 (20) | 105 (23) |
| 64 | AnneGinger | 91746 | 21:32 | 75 (16) | 110 (17) | 96 (13) | 113 (19) | 99 (16) |
| 65 | Groucho | 99966 | 21:55 | 81 (16) | 103 (21) | 98 (16) | 93 (19) | 127 (14) |
| 66 | Helly Welly | 88971 | 22:07 | 85 (14) | 94 (16) | 95 (11) | 98 (19) | 121 (17) |
| 67 | alanjcannon | 108507 | 22:19 | 82 (20) | 103 (20) | 102 (14) | 99 (18) | 112 (19) |
| 68 | NJeagle | 112902 | 22:24 | 86 (17) | 102 (18) | 103 (18) | 89 (17) | 111 (24) |
| 69 | PeterMabey | 107183 | 22:36 | 81 (18) | 106 (15) | 100 (20) | 101 (24) | 118 (12) |
| 70 | Big Mick | 99129 | 22:37 | 87 (18) | 104 (16) | 95 (14) | 100 (19) | 113 (16) |
| 71 | Bobchapman | 70969 | 22:44 | 77 (12) | 98 (12) | 98 (13) | 107 (14) | 120 (11) |
| 72 | zythum | 132519 | 22:46 | 84 (23) | 96 (21) | 107 (20) | 92 (21) | 120 (22) |
| 73 | barracuda | 142111 | 22:46 | 74 (22) | 104 (23) | 99 (22) | 95 (24) | 124 (23) |
| 74 | Bobb | 100868 | 23:20 | 85 (14) | 95 (22) | 95 (17) | 105 (12) | 120 (17) |
| 75 | Edprof | 105785 | 23:30 | 78 (16) | 97 (17) | 108 (15) | 89 (17) | 121 (20) |
| 76 | frost | 58132 | 23:37 | 80 (12) | 125 (8) | 99 (10) | 101 (14) | 105 (7) |
| 77 | Galspray | 102328 | 24:01 | 78 (16) | 89 (9) | 84 (20) | 102 (20) | 144 (16) |
| 78 | leonora | 84242 | 24:37 | 78 (13) | 106 (13) | 95 (13) | 101 (16) | 119 (12) |
| 79 | Bert Dove | 53330 | 24:41 | 90 (11) | 98 (6) | 94 (14) | 109 (9) | 124 (6) |
| 80 | benedick | 104740 | 24:56 | 82 (11) | 105 (21) | 106 (18) | 87 (15) | 109 (15) |
| 81 | Solver52 | 103731 | 25:25 | 85 (21) | 112 (14) | 101 (15) | 86 (13) | 119 (15) |
| 82 | burrowz1b | 64425 | 25:33 | 88 (8) | 102 (14) | 94 (9) | 113 (9) | 97 (12) |
| 83 | Julian West | 81550 | 25:38 | 69 (12) | 107 (15) | 94 (14) | 93 (11) | 137 (11) |
| 84 | crosswordian | 127879 | 25:40 | 80 (19) | 101 (22) | 102 (19) | 106 (18) | 112 (15) |
| 85 | me_phobete | 107209 | 25:53 | 81 (17) | 97 (13) | 95 (12) | 102 (17) | 117 (20) |
| 86 | NAPASAI | 62995 | 26:14 | 79 (11) | 119 (9) | 93 (10) | 102 (12) | 113 (8) |
| 87 | KarenR | 126256 | 26:18 | 79 (19) | 90 (18) | 98 (17) | 108 (16) | 122 (20) |
| 88 | Chadwick | 110121 | 26:59 | 81 (18) | 105 (14) | 108 (14) | 103 (17) | 106 (15) |
| 89 | stockynige | 56598 | 27:44 | 78 (11) | 121 (8) | 98 (11) | 114 (8) | 97 (6) |
| 90 | nekabue | 68727 | 27:56 | 75 (12) | 102 (12) | 127 (6) | 104 (9) | 107 (12) |
| 91 | Son of Smug | 80934 | 28:06 | 85 (10) | 112 (13) | 96 (10) | 87 (13) | 114 (12) |
| 92 | Jefe | 62909 | 28:20 | 75 (8) | 92 (7) | 95 (6) | 94 (13) | 124 (13) |
| 93 | alexh | 39368 | 28:31 | 81 (6) | 107 (7) | 103 (6) | 100 (8) | 105 (6) |
| 94 | lesbunch | 55418 | 28:51 | 82 (6) | 107 (9) | 83 (8) | 90 (12) | 141 (7) |
| 95 | oldpalace | 90421 | 28:58 | 95 (11) | 100 (17) | 93 (11) | 97 (8) | 108 (15) |
| 96 | Prytherch | 118004 | 29:21 | 93 (11) | 99 (14) | 109 (15) | 91 (19) | 105 (18) |
| 97 | anthea | 108884 | 29:44 | 101 (7) | 97 (15) | 102 (12) | 97 (18) | 102 (19) |
| 98 | Moles | 71426 | 29:45 | 88 (9) | 108 (10) | 110 (10) | 91 (13) | 104 (8) |
| 99 | Barry Smith | 116587 | 29:53 | 77 (14) | 110 (18) | 101 (8) | 91 (18) | 115 (17) |
| 100 | diogenes | 96902 | 29:54 | 79 (13) | 104 (11) | 115 (10) | 87 (15) | 117 (15) |
| 101 | rosselliot | 67740 | 30:30 | 85 (9) | 104 (10) | 102 (9) | 114 (8) | 95 (11) |
| 102 | Ron's mum | 87050 | 32:14 | 72 (8) | 100 (9) | 91 (13) | 78 (13) | 148 (12) |
| 103 | MaxenEH | 68479 | 32:36 | 80 (7) | 103 (8) | 110 (12) | 95 (10) | 101 (8) |
| 104 | Big Nug | 107236 | 33:05 | 81 (9) | 102 (11) | 89 (16) | 94 (14) | 127 (14) |
| 105 | Clovis | 68120 | 33:23 | 75 (11) | 94 (8) | 75 (9) | 121 (6) | 142 (10) |
| 106 | koro | 120770 | 33:32 | 82 (12) | 114 (12) | 88 (13) | 104 (17) | 107 (16) |
| 107 | Jeeves | 122876 | 35:18 | 80 (13) | 108 (13) | 96 (14) | 98 (13) | 114 (15) |
| 108 | cassandra | 85526 | 39:35 | 100 (6) | 95 (13) | 91 (8) | 101 (7) | 109 (12) |