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 | 31936 | 06:07 | 86 (18) | 102 (19) | 94 (16) | 107 (24) | 103 (20) |
| 2 | Eamon Ryan | 43615 | 06:09 | 93 (26) | 101 (25) | 101 (25) | 100 (26) | 101 (26) |
| 3 | mohn | 23255 | 06:27 | 86 (18) | 111 (20) | 88 (9) | 98 (12) | 111 (11) |
| 4 | Lettuceleaf | 35226 | 06:40 | 98 (20) | 98 (19) | 105 (18) | 96 (19) | 102 (22) |
| 5 | Jason | 45157 | 06:54 | 80 (24) | 111 (24) | 100 (24) | 100 (24) | 107 (23) |
| 6 | verlaine | 53160 | 08:36 | 76 (25) | 107 (26) | 90 (20) | 104 (26) | 128 (16) |
| 7 | aphis99 | 61288 | 10:00 | 91 (22) | 100 (21) | 99 (25) | 103 (22) | 106 (22) |
| 8 | AlanS | 50646 | 10:17 | 78 (20) | 95 (19) | 96 (17) | 99 (18) | 132 (18) |
| 9 | auchiedollie | 52061 | 10:19 | 85 (22) | 105 (22) | 104 (19) | 100 (19) | 108 (12) |
| 10 | richard | 40535 | 10:33 | 80 (16) | 94 (8) | 96 (14) | 116 (16) | 106 (20) |
| 11 | DaddyM | 37691 | 11:01 | 89 (15) | 96 (12) | 102 (14) | 109 (14) | 101 (12) |
| 12 | tiggis | 29497 | 11:42 | 96 (13) | 111 (9) | 97 (9) | 96 (15) | 103 (6) |
| 13 | chindit | 73940 | 11:50 | 80 (24) | 104 (24) | 96 (20) | 108 (22) | 110 (24) |
| 14 | lickert | 78177 | 11:57 | 77 (26) | 112 (24) | 96 (21) | 99 (24) | 115 (24) |
| 15 | glheard | 72464 | 12:11 | 81 (22) | 104 (24) | 98 (23) | 103 (23) | 117 (17) |
| 16 | Tom Stubbs | 83549 | 12:19 | 82 (25) | 116 (26) | 97 (23) | 90 (24) | 111 (25) |
| 17 | Topical Tim | 66449 | 13:20 | 71 (21) | 123 (19) | 101 (17) | 95 (18) | 112 (18) |
| 18 | Silva | 80638 | 13:26 | 82 (23) | 108 (23) | 96 (22) | 105 (24) | 108 (18) |
| 19 | neilr | 92919 | 13:35 | 83 (25) | 101 (26) | 98 (23) | 104 (25) | 111 (25) |
| 20 | Stavros | 87240 | 14:06 | 81 (24) | 110 (25) | 92 (19) | 103 (22) | 110 (23) |
| 21 | keriothe_ | 93374 | 14:24 | 75 (25) | 108 (22) | 106 (21) | 102 (24) | 108 (26) |
| 22 | Tibthorpe | 98211 | 14:29 | 78 (25) | 95 (25) | 106 (25) | 102 (24) | 117 (24) |
| 23 | mchalen | 84565 | 14:31 | 81 (22) | 106 (22) | 96 (20) | 104 (21) | 110 (22) |
| 24 | fshephe | 108642 | 15:12 | 85 (26) | 102 (26) | 105 (26) | 107 (25) | 99 (26) |
| 25 | Sue Sweeper | 64124 | 15:16 | 75 (18) | 113 (18) | 87 (15) | 88 (16) | 145 (13) |
| 26 | BoxBrownie | 53590 | 15:23 | 81 (16) | 117 (13) | 96 (15) | 97 (11) | 113 (13) |
| 27 | earlylight | 50520 | 15:35 | 91 (15) | 103 (14) | 94 (12) | 87 (10) | 120 (13) |
| 28 | phthisis | 60031 | 15:37 | 88 (15) | 97 (14) | 95 (16) | 104 (16) | 115 (13) |
| 29 | mikegrocott | 79016 | 15:40 | 89 (19) | 106 (17) | 101 (19) | 93 (19) | 109 (20) |
| 30 | SimonAnthony | 91501 | 15:43 | 78 (19) | 91 (24) | 112 (20) | 82 (21) | 131 (23) |
| 31 | AndyOwl | 70342 | 15:50 | 86 (18) | 96 (18) | 114 (14) | 87 (17) | 119 (17) |
| 32 | ChuckB | 101179 | 16:31 | 81 (23) | 101 (19) | 99 (24) | 104 (24) | 113 (22) |
| 33 | sotira | 87579 | 16:58 | 79 (21) | 108 (19) | 97 (14) | 103 (19) | 110 (23) |
| 34 | Groucho | 88858 | 17:13 | 84 (24) | 115 (20) | 97 (18) | 105 (21) | 100 (13) |
| 35 | noidea | 97421 | 17:16 | 84 (23) | 103 (16) | 102 (21) | 101 (24) | 110 (20) |
| 36 | robinh | 108525 | 17:54 | 77 (21) | 104 (23) | 108 (23) | 104 (23) | 103 (21) |
| 37 | OliviaRhineb | 119681 | 18:08 | 78 (23) | 103 (25) | 100 (24) | 101 (25) | 114 (23) |
| 38 | Ron's mum | 87295 | 18:25 | 67 (21) | 104 (16) | 102 (18) | 82 (15) | 143 (19) |
| 39 | Spanna | 54541 | 18:33 | 87 (11) | 99 (11) | 102 (14) | 103 (13) | 105 (10) |
| 40 | Big Mick | 105706 | 19:21 | 84 (24) | 104 (23) | 96 (18) | 104 (21) | 115 (15) |
| 41 | GMcD | 131154 | 19:31 | 80 (24) | 111 (25) | 96 (24) | 100 (25) | 110 (24) |
| 42 | MickinEly2 | 57432 | 19:32 | 92 (12) | 99 (9) | 93 (11) | 105 (14) | 105 (13) |
| 43 | David P | 115210 | 19:35 | 86 (24) | 102 (19) | 91 (17) | 97 (25) | 120 (23) |
| 44 | David Crooks | 125950 | 19:48 | 84 (24) | 106 (24) | 98 (24) | 97 (21) | 113 (23) |
| 45 | kath | 58354 | 19:50 | 95 (15) | 93 (11) | 106 (15) | 98 (10) | 107 (8) |
| 46 | reindeer | 140642 | 19:51 | 82 (26) | 104 (25) | 98 (26) | 102 (26) | 112 (25) |
| 47 | sampson | 106468 | 19:56 | 88 (22) | 104 (20) | 98 (19) | 101 (22) | 109 (16) |
| 48 | pterodactyl | 71145 | 20:26 | 83 (13) | 113 (14) | 104 (14) | 87 (15) | 112 (12) |
| 49 | John Arnold | 68008 | 20:36 | 91 (17) | 104 (14) | 99 (11) | 94 (13) | 117 (10) |
| 50 | Zabadak | 120801 | 21:53 | 78 (19) | 109 (23) | 88 (21) | 104 (18) | 116 (21) |
| 51 | barracuda | 147308 | 22:19 | 79 (24) | 97 (24) | 107 (24) | 100 (24) | 115 (24) |
| 52 | Galspray | 38687 | 23:01 | 77 (8) | 123 (8) | 94 (8) | 87 (8) | 125 (6) |
| 53 | Kevin Gregg | 127443 | 23:05 | 84 (24) | 96 (19) | 109 (18) | 101 (24) | 114 (17) |
| 54 | Bert Dove | 61274 | 23:12 | 92 (18) | 112 (8) | 89 (9) | 109 (13) | 105 (6) |
| 55 | xmogg | 74554 | 24:21 | 98 (13) | 108 (13) | 92 (13) | 95 (11) | 104 (11) |
| 56 | benedick | 96663 | 24:24 | 77 (15) | 100 (16) | 94 (13) | 100 (16) | 124 (16) |
| 57 | KarenR | 78482 | 24:40 | 78 (14) | 123 (13) | 108 (13) | 96 (13) | 93 (10) |
| 58 | zythum | 144370 | 25:03 | 82 (23) | 108 (22) | 101 (21) | 98 (22) | 111 (18) |
| 59 | crosswordian | 160565 | 25:29 | 87 (25) | 107 (25) | 99 (24) | 95 (19) | 109 (22) |
| 60 | Solver52 | 151920 | 26:22 | 87 (22) | 104 (21) | 102 (23) | 101 (19) | 104 (21) |
| 61 | Edprof | 130731 | 26:34 | 74 (18) | 95 (19) | 115 (17) | 97 (18) | 115 (20) |
| 62 | Chadwick | 175842 | 28:10 | 81 (24) | 110 (22) | 98 (24) | 101 (23) | 110 (21) |
| 63 | NAPASAI | 91995 | 28:23 | 82 (13) | 94 (15) | 96 (13) | 98 (11) | 131 (12) |
| 64 | Manveru | 121863 | 29:00 | 80 (17) | 105 (18) | 117 (13) | 88 (12) | 107 (20) |
| 65 | FelicityTT | 90727 | 31:30 | 86 (12) | 120 (10) | 92 (13) | 100 (12) | 105 (11) |
| 66 | dec | 126154 | 31:51 | 90 (14) | 101 (16) | 105 (15) | 109 (15) | 92 (16) |
| 67 | rosselliot | 192755 | 32:07 | 85 (22) | 103 (20) | 100 (22) | 101 (23) | 108 (23) |
| 68 | Prytherch | 40771 | 32:21 | 82 (6) | 93 (6) | 102 (6) | 97 (6) | 119 (7) |
| 69 | nekabue | 193135 | 32:50 | 81 (25) | 99 (23) | 112 (25) | 90 (20) | 124 (15) |
| 70 | koro | 206670 | 33:07 | 83 (24) | 105 (23) | 102 (20) | 107 (23) | 102 (24) |
| 71 | Jeeves | 131692 | 33:46 | 79 (13) | 105 (17) | 94 (16) | 101 (15) | 118 (14) |
| 72 | Mkgnao | 186836 | 34:35 | 83 (20) | 107 (20) | 107 (20) | 83 (20) | 117 (20) |
| 73 | Glyndwr | 203592 | 36:29 | 87 (25) | 102 (19) | 98 (19) | 103 (22) | 112 (18) |
| 74 | Big Nug | 213516 | 37:27 | 84 (22) | 114 (22) | 103 (21) | 90 (20) | 107 (20) |
| 75 | cassandra | 258812 | 37:30 | 95 (26) | 100 (25) | 99 (25) | 100 (24) | 104 (25) |
| 76 | Jefe | 143177 | 37:52 | 71 (15) | 96 (15) | 79 (11) | 105 (16) | 138 (16) |
| 77 | fudgiebates | 157978 | 38:43 | 78 (10) | 114 (18) | 84 (15) | 104 (16) | 104 (19) |
| 78 | 1234 | 211744 | 38:46 | 70 (19) | 111 (22) | 110 (22) | 99 (21) | 104 (17) |
| 79 | JohnDun | 242043 | 39:56 | 74 (18) | 94 (23) | 104 (23) | 99 (24) | 121 (23) |
| 80 | ulaca | 249489 | 42:00 | 73 (13) | 119 (22) | 96 (24) | 99 (25) | 99 (25) |
| 81 | diogenes | 185598 | 42:22 | 59 (18) | 203 (14) | 81 (16) | 92 (17) | 86 (18) |
| 82 | JerryR | 291565 | 47:10 | 82 (23) | 111 (22) | 99 (23) | 95 (23) | 112 (22) |
| 83 | Clovis | 319326 | 60:28 | 38 (20) | 88 (20) | 186 (18) | 63 (20) | 132 (20) |