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 | 32935 | 05:50 | 92 (20) | 102 (23) | 98 (22) | 100 (21) | 107 (18) |
| 2 | mohn | 19972 | 06:31 | 76 (11) | 100 (15) | 111 (9) | 104 (14) | 106 (12) |
| 3 | Lettuceleaf | 13597 | 06:39 | 89 (10) | 101 (7) | 99 (10) | 112 (6) | 104 (11) |
| 4 | Jason | 44717 | 07:01 | 90 (24) | 103 (23) | 92 (20) | 99 (25) | 113 (24) |
| 5 | Eamon Ryan | 48818 | 07:32 | 93 (26) | 100 (24) | 97 (22) | 103 (23) | 105 (23) |
| 6 | Bogota Eagle | 21864 | 08:05 | 90 (9) | 99 (10) | 96 (12) | 108 (12) | 102 (12) |
| 7 | Ludo | 31194 | 08:07 | 100 (13) | 87 (15) | 109 (16) | 100 (15) | 101 (15) |
| 8 | mistigris | 19627 | 08:10 | 77 (7) | 91 (11) | 115 (8) | 106 (15) | 102 (9) |
| 9 | auchiedollie | 50786 | 09:06 | 93 (19) | 97 (22) | 95 (22) | 107 (19) | 105 (21) |
| 10 | verlaine | 50070 | 09:28 | 75 (20) | 95 (21) | 104 (17) | 111 (22) | 115 (18) |
| 11 | aphis99 | 54476 | 09:39 | 80 (21) | 110 (22) | 94 (20) | 103 (22) | 110 (19) |
| 12 | richard | 55695 | 10:40 | 84 (19) | 101 (22) | 101 (18) | 93 (18) | 116 (20) |
| 13 | Tom Stubbs | 73664 | 11:22 | 89 (25) | 97 (24) | 101 (22) | 90 (24) | 122 (23) |
| 14 | tonysever | 72392 | 11:36 | 90 (23) | 102 (22) | 99 (21) | 93 (25) | 114 (23) |
| 15 | lickert | 71114 | 11:44 | 86 (24) | 101 (22) | 99 (22) | 103 (23) | 109 (20) |
| 16 | Peter Fowler | 65241 | 11:56 | 97 (20) | 100 (19) | 108 (19) | 96 (22) | 98 (21) |
| 17 | trux | 18118 | 12:04 | 88 (7) | 96 (9) | 108 (7) | 100 (6) | 108 (6) |
| 18 | Quizimodo | 80352 | 12:24 | 91 (22) | 106 (24) | 96 (26) | 98 (23) | 105 (23) |
| 19 | Heyesey | 50722 | 12:25 | 80 (20) | 96 (19) | 96 (16) | 116 (14) | 135 (9) |
| 20 | KenTurner | 75405 | 12:57 | 98 (21) | 97 (22) | 96 (22) | 105 (19) | 102 (23) |
| 21 | AlanS | 68140 | 13:03 | 77 (19) | 100 (21) | 96 (19) | 107 (20) | 118 (18) |
| 22 | Silva | 75984 | 13:03 | 91 (22) | 110 (21) | 98 (18) | 99 (23) | 100 (23) |
| 23 | chindit | 77684 | 13:04 | 86 (24) | 108 (21) | 95 (18) | 104 (22) | 105 (24) |
| 24 | Topical Tim | 62955 | 13:06 | 83 (19) | 99 (18) | 105 (12) | 112 (21) | 100 (20) |
| 25 | Ben Staveley | 21375 | 13:11 | 72 (7) | 104 (6) | 116 (6) | 106 (9) | 101 (9) |
| 26 | Denis | 73925 | 13:32 | 94 (21) | 98 (21) | 93 (21) | 111 (20) | 102 (18) |
| 27 | Toffer | 64394 | 13:45 | 88 (20) | 107 (16) | 101 (14) | 98 (20) | 107 (18) |
| 28 | neilr | 77406 | 13:52 | 89 (23) | 108 (22) | 99 (20) | 101 (19) | 103 (19) |
| 29 | mikegrocott | 64315 | 13:55 | 83 (20) | 108 (13) | 100 (15) | 104 (22) | 107 (17) |
| 30 | glheard | 38952 | 14:06 | 83 (10) | 105 (10) | 90 (10) | 100 (16) | 119 (10) |
| 31 | Stavros | 73140 | 14:10 | 87 (22) | 97 (17) | 102 (17) | 106 (19) | 107 (21) |
| 32 | mchalen | 96922 | 14:25 | 83 (24) | 104 (26) | 98 (25) | 103 (24) | 109 (23) |
| 33 | jjp | 55395 | 14:39 | 90 (16) | 108 (16) | 97 (16) | 97 (15) | 109 (10) |
| 34 | Eylesie | 58115 | 14:54 | 92 (15) | 102 (17) | 121 (15) | 98 (15) | 81 (13) |
| 35 | Sue Sweeper | 60175 | 14:58 | 80 (16) | 100 (19) | 113 (17) | 94 (14) | 114 (11) |
| 36 | AndyOwl | 83003 | 15:12 | 82 (22) | 96 (19) | 101 (18) | 110 (20) | 109 (22) |
| 37 | Tibthorpe | 84847 | 15:12 | 82 (21) | 112 (19) | 97 (21) | 97 (21) | 110 (21) |
| 38 | aphasic | 53949 | 15:14 | 73 (10) | 103 (17) | 103 (13) | 104 (18) | 105 (11) |
| 39 | earlylight | 75621 | 15:33 | 97 (19) | 95 (19) | 104 (16) | 102 (17) | 101 (20) |
| 40 | fshephe | 87999 | 15:46 | 84 (20) | 102 (25) | 97 (20) | 99 (18) | 116 (20) |
| 41 | OliviaRhineb | 100659 | 16:26 | 83 (23) | 101 (22) | 102 (23) | 99 (23) | 114 (21) |
| 42 | phthisis | 96834 | 16:28 | 93 (22) | 104 (24) | 98 (22) | 101 (22) | 102 (18) |
| 43 | rpb | 78197 | 16:42 | 94 (21) | 102 (19) | 101 (17) | 96 (15) | 105 (16) |
| 44 | RHB | 57295 | 16:45 | 86 (13) | 106 (17) | 90 (14) | 104 (13) | 112 (10) |
| 45 | Margaretlarb | 58734 | 16:52 | 93 (15) | 104 (14) | 110 (15) | 109 (10) | 84 (14) |
| 46 | sotira | 79191 | 16:55 | 86 (20) | 106 (19) | 92 (14) | 103 (17) | 110 (18) |
| 47 | robinh | 98632 | 16:56 | 89 (22) | 97 (21) | 94 (19) | 100 (23) | 116 (22) |
| 48 | ChuckB | 53006 | 16:59 | 83 (10) | 93 (13) | 104 (15) | 103 (10) | 109 (14) |
| 49 | nesbitt | 49263 | 17:06 | 95 (13) | 95 (12) | 100 (14) | 112 (10) | 98 (9) |
| 50 | subbswamysg | 50427 | 17:30 | 88 (11) | 96 (11) | 94 (11) | 106 (12) | 110 (13) |
| 51 | Bernard S | 56423 | 17:44 | 90 (10) | 114 (14) | 95 (11) | 97 (15) | 98 (13) |
| 52 | Werm | 93653 | 17:44 | 81 (20) | 101 (20) | 89 (18) | 108 (22) | 119 (18) |
| 53 | andyt | 50163 | 17:47 | 92 (12) | 106 (11) | 92 (10) | 99 (12) | 108 (12) |
| 54 | pterodactyl | 50364 | 17:51 | 94 (15) | 97 (14) | 109 (8) | 99 (9) | 105 (11) |
| 55 | Kevin Gregg | 49210 | 19:04 | 92 (11) | 92 (9) | 101 (9) | 103 (14) | 108 (10) |
| 56 | sampson | 87207 | 19:22 | 92 (21) | 104 (17) | 97 (18) | 101 (17) | 109 (12) |
| 57 | GMcD | 117144 | 19:31 | 83 (22) | 108 (21) | 96 (23) | 101 (21) | 110 (23) |
| 58 | David Crooks | 120547 | 19:53 | 89 (22) | 100 (22) | 103 (23) | 102 (22) | 104 (22) |
| 59 | reindeer | 98277 | 19:58 | 95 (18) | 96 (18) | 97 (18) | 106 (20) | 102 (18) |
| 60 | David P | 108674 | 20:07 | 84 (22) | 104 (21) | 97 (16) | 104 (21) | 110 (20) |
| 61 | peter wild | 134876 | 20:15 | 85 (25) | 103 (25) | 95 (22) | 98 (25) | 116 (24) |
| 62 | Ben Ganly | 80385 | 20:17 | 87 (16) | 103 (15) | 102 (17) | 102 (14) | 105 (14) |
| 63 | MickinEly2 | 64567 | 20:18 | 95 (16) | 102 (15) | 99 (12) | 102 (11) | 102 (9) |
| 64 | Groucho | 85481 | 20:57 | 86 (16) | 98 (16) | 101 (15) | 102 (19) | 113 (12) |
| 65 | AnneGinger | 85422 | 21:14 | 85 (16) | 104 (15) | 92 (13) | 116 (19) | 97 (14) |
| 66 | Zabadak | 115369 | 21:21 | 82 (17) | 109 (21) | 93 (20) | 104 (20) | 105 (22) |
| 67 | Bobchapman | 48876 | 21:26 | 86 (10) | 93 (8) | 111 (13) | 102 (11) | 99 (6) |
| 68 | Big Mick | 88898 | 21:47 | 91 (18) | 98 (14) | 96 (16) | 107 (17) | 108 (13) |
| 69 | Helly Welly | 84507 | 22:00 | 84 (12) | 97 (19) | 88 (10) | 104 (18) | 116 (15) |
| 70 | NJeagle | 98418 | 22:09 | 86 (16) | 93 (18) | 102 (15) | 99 (15) | 115 (20) |
| 71 | alanjcannon | 106616 | 22:12 | 88 (18) | 100 (19) | 97 (17) | 101 (19) | 112 (17) |
| 72 | zythum | 123923 | 22:56 | 91 (22) | 98 (18) | 104 (20) | 97 (19) | 108 (21) |
| 73 | barracuda | 140553 | 22:57 | 79 (22) | 106 (22) | 101 (22) | 101 (24) | 111 (22) |
| 74 | Bobb | 94271 | 23:06 | 84 (14) | 102 (21) | 92 (17) | 114 (11) | 109 (15) |
| 75 | Galspray | 101631 | 23:31 | 91 (16) | 92 (13) | 88 (20) | 103 (18) | 127 (15) |
| 76 | leonora | 85195 | 23:39 | 86 (16) | 105 (11) | 102 (16) | 88 (13) | 119 (14) |
| 77 | scouse1 | 51337 | 23:46 | 82 (8) | 101 (10) | 95 (8) | 105 (11) | 110 (9) |
| 78 | Edprof | 112679 | 24:04 | 85 (19) | 93 (15) | 108 (17) | 90 (17) | 119 (20) |
| 79 | PeterMabey | 102467 | 24:23 | 87 (16) | 105 (13) | 96 (18) | 107 (20) | 102 (13) |
| 80 | benedick | 96817 | 24:26 | 92 (15) | 101 (17) | 90 (17) | 105 (13) | 111 (14) |
| 81 | KarenR | 114121 | 25:01 | 82 (17) | 100 (16) | 97 (18) | 108 (15) | 110 (20) |
| 82 | crosswordian | 124479 | 25:36 | 84 (20) | 96 (20) | 102 (20) | 112 (14) | 110 (17) |
| 83 | Julian West | 70888 | 25:41 | 74 (11) | 105 (15) | 91 (12) | 105 (8) | 126 (10) |
| 84 | me_phobete | 105521 | 25:51 | 87 (16) | 106 (13) | 94 (14) | 105 (18) | 105 (17) |
| 85 | Solver52 | 86949 | 25:52 | 86 (19) | 109 (12) | 97 (12) | 99 (11) | 116 (12) |
| 86 | NAPASAI | 63233 | 26:20 | 76 (9) | 114 (9) | 92 (11) | 115 (12) | 96 (9) |
| 87 | Chadwick | 108324 | 27:21 | 87 (16) | 101 (14) | 98 (18) | 103 (13) | 111 (15) |
| 88 | burrowz1b | 85417 | 27:22 | 78 (9) | 92 (14) | 92 (13) | 102 (12) | 124 (14) |
| 89 | Son of Smug | 79316 | 27:32 | 91 (9) | 108 (12) | 90 (12) | 98 (12) | 107 (13) |
| 90 | alexh | 44978 | 27:45 | 75 (8) | 110 (6) | 111 (6) | 106 (11) | 99 (6) |
| 91 | Jefe | 84306 | 28:40 | 71 (10) | 93 (11) | 100 (10) | 96 (16) | 132 (12) |
| 92 | nekabue | 60544 | 28:49 | 82 (13) | 86 (9) | 131 (6) | 101 (7) | 119 (10) |
| 93 | oldpalace | 88556 | 28:56 | 95 (13) | 100 (13) | 94 (9) | 98 (12) | 107 (14) |
| 94 | Barry Smith | 118301 | 28:59 | 79 (15) | 109 (18) | 97 (10) | 97 (19) | 112 (16) |
| 95 | stockynige | 64793 | 29:11 | 87 (12) | 95 (7) | 97 (10) | 106 (9) | 117 (9) |
| 96 | Prytherch | 103841 | 29:20 | 96 (12) | 103 (12) | 105 (14) | 92 (16) | 103 (15) |
| 97 | anthea | 98917 | 29:26 | 103 (8) | 96 (12) | 105 (11) | 96 (16) | 101 (19) |
| 98 | diogenes | 82316 | 29:49 | 91 (13) | 99 (9) | 111 (11) | 93 (13) | 107 (10) |
| 99 | Moles | 72474 | 30:11 | 86 (10) | 104 (9) | 108 (10) | 94 (12) | 109 (9) |
| 100 | rosselliot | 60613 | 30:36 | 91 (9) | 100 (8) | 98 (7) | 109 (8) | 101 (11) |
| 101 | Big Nug | 96841 | 32:16 | 80 (11) | 107 (11) | 84 (14) | 102 (13) | 130 (11) |
| 102 | rjr520 | 69858 | 32:20 | 78 (10) | 118 (10) | 87 (6) | 94 (7) | 109 (13) |
| 103 | Clovis | 77909 | 33:17 | 85 (14) | 99 (8) | 75 (9) | 104 (8) | 139 (10) |
| 104 | Ron's mum | 80010 | 33:20 | 81 (7) | 95 (9) | 91 (15) | 80 (10) | 155 (9) |
| 105 | koro | 107109 | 33:40 | 86 (9) | 105 (11) | 101 (12) | 100 (16) | 102 (15) |
| 106 | Jeeves | 128036 | 34:25 | 86 (13) | 108 (15) | 96 (15) | 95 (13) | 109 (16) |
| 107 | ulaca | 80395 | 37:13 | 70 (12) | 102 (10) | 95 (10) | 96 (6) | 153 (8) |