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 | 31079 | 05:53 | 88 (21) | 99 (22) | 99 (17) | 110 (21) | 102 (17) |
| 2 | Jason | 45574 | 06:58 | 91 (24) | 99 (24) | 98 (22) | 98 (25) | 112 (24) |
| 3 | Eamon Ryan | 50176 | 07:20 | 90 (26) | 102 (25) | 101 (25) | 104 (24) | 101 (24) |
| 4 | Ludo | 34104 | 07:28 | 102 (15) | 93 (19) | 102 (17) | 99 (18) | 103 (17) |
| 5 | Bogota Eagle | 30261 | 08:41 | 88 (11) | 96 (13) | 103 (14) | 108 (16) | 98 (14) |
| 6 | auchiedollie | 51043 | 09:14 | 89 (18) | 96 (23) | 98 (21) | 105 (19) | 109 (21) |
| 7 | verlaine | 50838 | 09:44 | 78 (22) | 92 (22) | 113 (15) | 111 (21) | 112 (17) |
| 8 | aphis99 | 53556 | 10:08 | 80 (18) | 107 (20) | 91 (20) | 100 (19) | 117 (21) |
| 9 | richard | 54618 | 11:06 | 83 (20) | 106 (19) | 107 (16) | 98 (18) | 106 (19) |
| 10 | Tom Stubbs | 71814 | 11:23 | 90 (24) | 103 (24) | 91 (18) | 95 (25) | 117 (24) |
| 11 | tonysever | 74374 | 11:28 | 87 (25) | 102 (24) | 92 (20) | 103 (25) | 112 (24) |
| 12 | Peter Fowler | 61943 | 11:35 | 97 (20) | 98 (18) | 106 (18) | 98 (21) | 100 (22) |
| 13 | lickert | 70206 | 11:35 | 88 (24) | 100 (23) | 101 (22) | 107 (22) | 103 (20) |
| 14 | Heyesey | 54808 | 12:30 | 78 (20) | 95 (17) | 94 (19) | 111 (13) | 135 (14) |
| 15 | AlanS | 71477 | 12:32 | 81 (21) | 95 (22) | 103 (21) | 107 (20) | 112 (21) |
| 16 | chindit | 75537 | 12:35 | 90 (23) | 103 (20) | 93 (19) | 103 (22) | 108 (26) |
| 17 | Quizimodo | 74689 | 12:42 | 94 (21) | 101 (22) | 97 (22) | 102 (21) | 103 (22) |
| 18 | Ben Staveley | 28706 | 13:17 | 74 (10) | 100 (10) | 103 (9) | 121 (8) | 107 (9) |
| 19 | Silva | 76085 | 13:20 | 98 (22) | 102 (20) | 93 (17) | 103 (24) | 100 (22) |
| 20 | Topical Tim | 71162 | 13:37 | 82 (20) | 100 (19) | 104 (15) | 104 (22) | 108 (21) |
| 21 | mikegrocott | 62114 | 13:48 | 80 (19) | 110 (11) | 99 (18) | 107 (20) | 108 (17) |
| 22 | Denis | 79270 | 13:54 | 91 (21) | 91 (21) | 100 (22) | 112 (21) | 103 (20) |
| 23 | glheard | 67698 | 13:55 | 85 (19) | 98 (16) | 104 (18) | 98 (19) | 112 (19) |
| 24 | KenTurner | 66206 | 13:58 | 100 (19) | 95 (16) | 101 (20) | 106 (17) | 94 (17) |
| 25 | Toffer | 68632 | 14:07 | 88 (18) | 111 (19) | 90 (15) | 93 (20) | 112 (19) |
| 26 | mchalen | 97059 | 14:11 | 87 (25) | 97 (26) | 100 (26) | 109 (23) | 106 (24) |
| 27 | neilr | 83569 | 14:12 | 90 (23) | 97 (23) | 99 (17) | 99 (22) | 112 (23) |
| 28 | Stavros | 83802 | 14:15 | 89 (22) | 95 (20) | 103 (21) | 108 (22) | 101 (23) |
| 29 | Tibthorpe | 86419 | 15:00 | 74 (19) | 104 (22) | 98 (20) | 103 (23) | 115 (22) |
| 30 | aphasic | 49643 | 15:02 | 78 (12) | 95 (14) | 106 (11) | 111 (16) | 104 (12) |
| 31 | fshephe | 89533 | 15:42 | 92 (20) | 101 (22) | 95 (22) | 103 (19) | 106 (22) |
| 32 | Sue Sweeper | 67182 | 15:46 | 77 (21) | 107 (19) | 110 (15) | 106 (14) | 110 (12) |
| 33 | AndyOwl | 94846 | 15:58 | 82 (23) | 94 (21) | 108 (21) | 112 (22) | 103 (22) |
| 34 | phthisis | 96622 | 16:25 | 91 (22) | 101 (22) | 102 (23) | 98 (19) | 106 (22) |
| 35 | OliviaRhineb | 108738 | 16:37 | 83 (25) | 96 (24) | 104 (24) | 101 (24) | 116 (22) |
| 36 | robinh | 96930 | 16:39 | 87 (21) | 103 (21) | 91 (19) | 103 (23) | 112 (23) |
| 37 | RHB | 68418 | 16:46 | 77 (15) | 112 (18) | 99 (17) | 101 (16) | 108 (12) |
| 38 | sotira | 83208 | 16:54 | 88 (19) | 98 (19) | 99 (17) | 107 (20) | 106 (17) |
| 39 | earlylight | 75046 | 17:08 | 90 (17) | 91 (18) | 101 (14) | 110 (18) | 106 (16) |
| 40 | rpb | 93159 | 17:38 | 93 (22) | 101 (23) | 99 (17) | 101 (18) | 105 (18) |
| 41 | nesbitt | 40273 | 17:39 | 86 (12) | 91 (9) | 106 (12) | 110 (9) | 114 (6) |
| 42 | ChuckB | 95517 | 17:41 | 82 (18) | 91 (21) | 107 (22) | 107 (19) | 109 (20) |
| 43 | pterodactyl | 57411 | 17:43 | 88 (17) | 91 (14) | 108 (7) | 107 (12) | 112 (14) |
| 44 | Margaretlarb | 78192 | 17:51 | 96 (17) | 97 (18) | 107 (17) | 109 (14) | 90 (17) |
| 45 | mark oshin | 61838 | 18:04 | 75 (9) | 99 (15) | 101 (14) | 102 (13) | 109 (16) |
| 46 | subbswamysg | 38968 | 18:33 | 80 (6) | 97 (10) | 93 (9) | 113 (10) | 104 (10) |
| 47 | Bernard S | 76158 | 19:31 | 77 (13) | 112 (16) | 117 (14) | 94 (17) | 95 (15) |
| 48 | sampson | 86855 | 19:33 | 91 (23) | 100 (17) | 97 (18) | 103 (15) | 119 (11) |
| 49 | Werm | 106074 | 19:38 | 77 (18) | 93 (21) | 104 (20) | 110 (21) | 111 (20) |
| 50 | GMcD | 129515 | 19:59 | 85 (22) | 104 (24) | 102 (26) | 99 (25) | 107 (21) |
| 51 | David Crooks | 136901 | 20:00 | 86 (24) | 100 (25) | 103 (25) | 105 (26) | 104 (24) |
| 52 | MickinEly2 | 66091 | 20:01 | 91 (17) | 106 (12) | 99 (14) | 104 (12) | 102 (10) |
| 53 | David P | 113564 | 20:21 | 82 (21) | 102 (23) | 105 (17) | 102 (20) | 107 (22) |
| 54 | peter wild | 133140 | 20:21 | 87 (25) | 100 (25) | 98 (23) | 105 (25) | 109 (21) |
| 55 | reindeer | 100391 | 20:39 | 95 (18) | 96 (19) | 103 (18) | 102 (18) | 101 (18) |
| 56 | Carol | 55277 | 20:56 | 93 (10) | 98 (13) | 95 (11) | 106 (11) | 108 (9) |
| 57 | Helly Welly | 83491 | 21:05 | 99 (14) | 97 (17) | 89 (13) | 104 (19) | 106 (13) |
| 58 | AnneGinger | 83352 | 21:22 | 90 (14) | 102 (16) | 90 (10) | 107 (18) | 102 (17) |
| 59 | Ben Ganly | 94006 | 21:45 | 79 (14) | 95 (17) | 117 (20) | 97 (15) | 102 (16) |
| 60 | Big Mick | 104803 | 21:50 | 91 (19) | 100 (18) | 101 (21) | 103 (17) | 104 (15) |
| 61 | alanjcannon | 116281 | 22:01 | 86 (19) | 98 (21) | 104 (22) | 103 (18) | 107 (18) |
| 62 | NJeagle | 96139 | 22:15 | 85 (18) | 101 (16) | 95 (15) | 103 (16) | 115 (17) |
| 63 | Zabadak | 117776 | 22:18 | 85 (17) | 106 (20) | 90 (20) | 108 (19) | 106 (22) |
| 64 | Galspray | 102097 | 22:41 | 88 (17) | 98 (18) | 100 (20) | 105 (16) | 109 (14) |
| 65 | barracuda | 137152 | 22:51 | 80 (22) | 104 (22) | 103 (23) | 103 (22) | 107 (21) |
| 66 | Eylesie | 60732 | 23:00 | 93 (11) | 101 (12) | 100 (12) | 107 (11) | 96 (8) |
| 67 | zythum | 145236 | 23:03 | 93 (23) | 99 (23) | 103 (25) | 97 (21) | 104 (23) |
| 68 | Groucho | 105582 | 23:09 | 89 (19) | 97 (16) | 99 (16) | 105 (20) | 109 (15) |
| 69 | Bobb | 97667 | 23:15 | 88 (17) | 105 (18) | 95 (19) | 117 (10) | 102 (16) |
| 70 | scouse1 | 67063 | 23:46 | 87 (11) | 100 (13) | 95 (7) | 106 (15) | 104 (11) |
| 71 | leonora | 91875 | 23:55 | 87 (14) | 100 (11) | 101 (15) | 98 (15) | 107 (19) |
| 72 | PeterMabey | 101213 | 24:26 | 87 (15) | 96 (12) | 95 (16) | 110 (20) | 104 (16) |
| 73 | Edprof | 121757 | 24:26 | 90 (19) | 91 (19) | 110 (21) | 95 (17) | 112 (17) |
| 74 | KarenR | 97948 | 24:44 | 82 (17) | 99 (11) | 102 (16) | 108 (14) | 108 (18) |
| 75 | Julian West | 80703 | 24:54 | 81 (13) | 107 (16) | 117 (11) | 105 (13) | 87 (11) |
| 76 | benedick | 112374 | 25:18 | 89 (15) | 98 (15) | 99 (20) | 100 (16) | 108 (18) |
| 77 | me_phobete | 120687 | 25:47 | 90 (21) | 100 (16) | 96 (17) | 107 (19) | 107 (15) |
| 78 | crosswordian | 133655 | 25:54 | 88 (19) | 93 (23) | 101 (21) | 109 (15) | 111 (18) |
| 79 | Chadwick | 105748 | 26:18 | 88 (16) | 90 (17) | 104 (16) | 102 (13) | 116 (15) |
| 80 | Son of Smug | 90796 | 26:32 | 83 (10) | 108 (15) | 90 (14) | 101 (12) | 109 (16) |
| 81 | NAPASAI | 65701 | 27:22 | 74 (7) | 106 (8) | 97 (12) | 109 (12) | 102 (11) |
| 82 | Solver52 | 90626 | 27:27 | 84 (16) | 99 (14) | 103 (13) | 111 (9) | 110 (13) |
| 83 | Jefe | 76038 | 27:33 | 74 (10) | 90 (15) | 103 (8) | 112 (10) | 118 (13) |
| 84 | burrowz1b | 64781 | 27:41 | 80 (7) | 87 (9) | 92 (9) | 100 (11) | 121 (13) |
| 85 | oldpalace | 93306 | 27:46 | 94 (14) | 99 (13) | 101 (9) | 103 (15) | 101 (15) |
| 86 | Ron's mum | 68980 | 28:44 | 88 (9) | 100 (9) | 108 (13) | 87 (10) | 113 (9) |
| 87 | lesbunch | 67527 | 28:51 | 90 (9) | 106 (12) | 91 (11) | 99 (10) | 115 (7) |
| 88 | Barry Smith | 124079 | 29:07 | 82 (15) | 98 (17) | 107 (13) | 102 (19) | 108 (17) |
| 89 | DaddyM | 68015 | 29:49 | 84 (8) | 82 (10) | 94 (10) | 116 (8) | 117 (12) |
| 90 | anthea | 103780 | 29:49 | 101 (11) | 97 (13) | 106 (12) | 93 (14) | 101 (18) |
| 91 | dec | 61099 | 29:57 | 81 (8) | 105 (8) | 98 (8) | 99 (8) | 108 (12) |
| 92 | Clovis | 65206 | 30:11 | 91 (11) | 103 (6) | 95 (10) | 113 (8) | 101 (11) |
| 93 | nekabue | 67178 | 30:15 | 76 (12) | 85 (9) | 135 (9) | 100 (6) | 109 (11) |
| 94 | Prytherch | 103827 | 30:21 | 94 (9) | 96 (15) | 114 (13) | 93 (18) | 103 (12) |
| 95 | stockynige | 61652 | 31:08 | 83 (8) | 99 (9) | 89 (9) | 102 (9) | 126 (8) |
| 96 | diogenes | 80534 | 31:12 | 88 (11) | 95 (9) | 118 (11) | 93 (15) | 109 (7) |
| 97 | Big Nug | 75090 | 32:05 | 85 (13) | 120 (8) | 84 (11) | 101 (7) | 120 (10) |
| 98 | rosselliot | 63696 | 32:10 | 87 (8) | 98 (6) | 96 (9) | 111 (10) | 102 (10) |
| 99 | Glyndwr | 63020 | 32:49 | 67 (6) | 80 (7) | 123 (7) | 93 (10) | 116 (12) |
| 100 | ccy23 | 65412 | 34:04 | 74 (10) | 85 (8) | 150 (8) | 88 (9) | 114 (7) |
| 101 | koro | 118313 | 34:35 | 83 (11) | 93 (10) | 109 (14) | 100 (16) | 106 (16) |
| 102 | Jeeves | 133602 | 35:20 | 87 (13) | 91 (15) | 115 (17) | 94 (15) | 107 (13) |
| 103 | Bobchapman | 96610 | 35:46 | 60 (12) | 62 (10) | 158 (12) | 128 (12) | 75 (9) |
| 104 | ulaca | 84689 | 39:12 | 69 (10) | 77 (7) | 107 (12) | 103 (9) | 141 (8) |