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 | Eamon Ryan | 42187 | 05:54 | 93 (26) | 100 (25) | 105 (26) | 101 (26) | 99 (26) |
| 2 | Magoo | 30787 | 05:57 | 90 (18) | 101 (19) | 94 (14) | 105 (25) | 103 (20) |
| 3 | mohn | 22491 | 06:14 | 89 (15) | 110 (18) | 93 (11) | 94 (14) | 109 (12) |
| 4 | Lettuceleaf | 29571 | 06:29 | 104 (17) | 98 (17) | 99 (16) | 99 (17) | 97 (19) |
| 5 | Jason | 43447 | 06:42 | 84 (22) | 101 (24) | 106 (24) | 104 (24) | 101 (24) |
| 6 | verlaine | 52191 | 08:26 | 83 (26) | 105 (26) | 94 (19) | 100 (26) | 125 (16) |
| 7 | DaddyM | 26493 | 09:23 | 97 (12) | 91 (12) | 102 (12) | 106 (12) | 104 (9) |
| 8 | aphis99 | 63112 | 09:49 | 96 (23) | 102 (21) | 99 (25) | 97 (25) | 104 (23) |
| 9 | AlanS | 36782 | 10:13 | 78 (14) | 100 (14) | 96 (13) | 101 (15) | 122 (14) |
| 10 | auchiedollie | 35399 | 10:32 | 85 (16) | 105 (18) | 103 (14) | 102 (11) | 109 (7) |
| 11 | chindit | 68701 | 11:13 | 86 (24) | 105 (24) | 99 (20) | 102 (21) | 106 (23) |
| 12 | tiggis | 30636 | 11:36 | 93 (12) | 112 (11) | 92 (9) | 96 (15) | 109 (7) |
| 13 | lickert | 70192 | 11:41 | 83 (24) | 110 (22) | 95 (20) | 101 (21) | 110 (23) |
| 14 | Topical Tim | 61305 | 12:01 | 76 (21) | 125 (18) | 106 (18) | 100 (19) | 96 (19) |
| 15 | glheard | 74373 | 12:02 | 87 (22) | 101 (25) | 96 (23) | 102 (24) | 112 (19) |
| 16 | Tom Stubbs | 84622 | 12:22 | 86 (25) | 107 (26) | 103 (23) | 92 (24) | 109 (26) |
| 17 | Silva | 82657 | 13:22 | 82 (21) | 105 (23) | 101 (22) | 100 (25) | 109 (22) |
| 18 | Stavros | 84359 | 13:23 | 86 (24) | 103 (25) | 100 (19) | 100 (23) | 108 (24) |
| 19 | neilr | 91989 | 13:34 | 86 (25) | 100 (26) | 100 (23) | 102 (25) | 109 (24) |
| 20 | keriothe_ | 94287 | 14:01 | 86 (25) | 100 (24) | 109 (22) | 101 (25) | 102 (26) |
| 21 | Tibthorpe | 99362 | 14:39 | 77 (25) | 91 (25) | 113 (25) | 107 (24) | 110 (24) |
| 22 | mchalen | 75881 | 14:42 | 89 (20) | 112 (20) | 91 (20) | 101 (18) | 105 (18) |
| 23 | Ben Staveley | 26611 | 14:47 | 71 (7) | 94 (9) | 108 (8) | 114 (7) | 108 (9) |
| 24 | BoxBrownie | 80282 | 14:52 | 84 (23) | 111 (20) | 99 (23) | 96 (15) | 109 (19) |
| 25 | fshephe | 106627 | 14:56 | 86 (25) | 102 (26) | 104 (26) | 102 (26) | 102 (26) |
| 26 | Sue Sweeper | 68464 | 15:25 | 72 (19) | 121 (18) | 90 (17) | 98 (16) | 123 (14) |
| 27 | Ron's mum | 66709 | 15:26 | 72 (20) | 123 (17) | 133 (17) | 64 (12) | 100 (16) |
| 28 | phthisis | 48651 | 15:35 | 90 (11) | 101 (12) | 96 (14) | 97 (13) | 114 (12) |
| 29 | SimonAnthony | 103449 | 15:40 | 89 (23) | 99 (25) | 110 (25) | 95 (23) | 104 (24) |
| 30 | AndyOwl | 53993 | 15:47 | 84 (15) | 101 (15) | 114 (11) | 92 (13) | 112 (13) |
| 31 | mikegrocott | 85212 | 16:08 | 91 (21) | 106 (18) | 104 (18) | 95 (21) | 104 (20) |
| 32 | ChuckB | 95106 | 16:10 | 88 (23) | 101 (19) | 97 (21) | 101 (23) | 112 (22) |
| 33 | earlylight | 46741 | 16:13 | 92 (15) | 97 (14) | 91 (10) | 90 (8) | 128 (11) |
| 34 | sotira | 85165 | 16:30 | 87 (22) | 107 (20) | 95 (14) | 96 (15) | 109 (25) |
| 35 | noidea | 101993 | 16:39 | 88 (24) | 104 (18) | 103 (24) | 98 (23) | 106 (23) |
| 36 | Groucho | 92273 | 17:16 | 83 (24) | 114 (21) | 101 (20) | 103 (21) | 98 (13) |
| 37 | robinh | 117996 | 17:24 | 79 (23) | 102 (25) | 109 (26) | 101 (25) | 105 (24) |
| 38 | OliviaRhineb | 125220 | 18:28 | 81 (24) | 104 (24) | 106 (25) | 98 (25) | 108 (25) |
| 39 | Spanna | 68045 | 18:35 | 90 (15) | 105 (11) | 101 (16) | 100 (15) | 103 (14) |
| 40 | Big Mick | 82773 | 18:53 | 90 (20) | 106 (20) | 98 (11) | 98 (19) | 109 (13) |
| 41 | David P | 113587 | 18:55 | 89 (24) | 103 (20) | 92 (18) | 99 (25) | 114 (23) |
| 42 | GMcD | 130600 | 18:55 | 81 (25) | 106 (25) | 106 (25) | 97 (25) | 107 (25) |
| 43 | MickinEly2 | 51915 | 19:13 | 89 (12) | 97 (9) | 103 (11) | 103 (13) | 105 (10) |
| 44 | David Crooks | 132794 | 19:35 | 85 (25) | 107 (26) | 101 (25) | 93 (22) | 110 (25) |
| 45 | reindeer | 130721 | 20:10 | 85 (24) | 103 (22) | 98 (24) | 102 (24) | 110 (24) |
| 46 | sampson | 99974 | 20:19 | 87 (18) | 100 (19) | 102 (19) | 100 (19) | 109 (17) |
| 47 | pterodactyl | 94864 | 20:32 | 84 (16) | 101 (17) | 108 (17) | 93 (19) | 111 (18) |
| 48 | John Arnold | 67004 | 20:40 | 95 (17) | 105 (12) | 106 (10) | 92 (14) | 105 (11) |
| 49 | Zabadak | 123657 | 21:01 | 88 (22) | 114 (22) | 89 (20) | 98 (21) | 108 (23) |
| 50 | kath | 62342 | 21:12 | 97 (14) | 95 (13) | 105 (13) | 101 (12) | 101 (7) |
| 51 | barracuda | 140322 | 21:27 | 87 (24) | 94 (24) | 112 (23) | 99 (24) | 106 (24) |
| 52 | Kevin Gregg | 127678 | 22:52 | 86 (24) | 94 (20) | 103 (17) | 105 (24) | 114 (18) |
| 53 | Bert Dove | 53581 | 22:53 | 94 (14) | 103 (7) | 92 (9) | 110 (11) | 100 (8) |
| 54 | xmogg | 79482 | 23:14 | 98 (11) | 108 (16) | 92 (17) | 96 (10) | 102 (13) |
| 55 | benedick | 81952 | 23:32 | 85 (13) | 102 (15) | 103 (12) | 94 (15) | 114 (13) |
| 56 | KarenR | 81137 | 23:43 | 81 (14) | 118 (12) | 102 (13) | 102 (16) | 98 (12) |
| 57 | zythum | 135052 | 25:00 | 87 (23) | 111 (21) | 103 (20) | 96 (20) | 103 (16) |
| 58 | Scoffer | 55747 | 25:06 | 103 (7) | 82 (9) | 99 (11) | 117 (12) | 87 (8) |
| 59 | Solver52 | 167345 | 25:35 | 94 (24) | 96 (24) | 104 (24) | 101 (24) | 102 (23) |
| 60 | crosswordian | 163563 | 25:43 | 87 (25) | 110 (23) | 105 (23) | 95 (23) | 103 (22) |
| 61 | Edprof | 136743 | 26:11 | 85 (20) | 97 (22) | 113 (18) | 98 (18) | 107 (19) |
| 62 | NAPASAI | 98954 | 28:26 | 95 (15) | 97 (14) | 83 (13) | 102 (14) | 124 (12) |
| 63 | Chadwick | 183399 | 28:34 | 79 (22) | 107 (23) | 107 (25) | 99 (25) | 103 (22) |
| 64 | Manveru | 109814 | 28:35 | 86 (17) | 107 (14) | 106 (13) | 97 (13) | 105 (17) |
| 65 | dec | 95891 | 30:09 | 92 (12) | 99 (12) | 109 (12) | 101 (13) | 97 (14) |
| 66 | diogenes | 133435 | 31:19 | 86 (17) | 98 (13) | 98 (14) | 96 (17) | 116 (20) |
| 67 | rosselliot | 193836 | 31:21 | 84 (24) | 100 (20) | 105 (23) | 102 (24) | 108 (22) |
| 68 | nekabue | 190806 | 31:29 | 91 (26) | 95 (22) | 111 (22) | 93 (23) | 111 (18) |
| 69 | FelicityTT | 87719 | 32:29 | 86 (11) | 123 (7) | 97 (15) | 105 (10) | 99 (12) |
| 70 | koro | 220022 | 33:02 | 85 (25) | 101 (24) | 104 (23) | 102 (25) | 105 (24) |
| 71 | Jeeves | 103665 | 33:13 | 97 (10) | 112 (12) | 92 (15) | 89 (13) | 110 (12) |
| 72 | stockynige | 56034 | 33:21 | 70 (6) | 130 (10) | 77 (7) | 117 (6) | 88 (9) |
| 73 | Mkgnao | 231917 | 34:30 | 89 (25) | 105 (25) | 111 (25) | 82 (23) | 110 (24) |
| 74 | cassandra | 253128 | 35:09 | 97 (26) | 101 (26) | 97 (26) | 101 (26) | 101 (26) |
| 75 | Glyndwr | 163400 | 35:50 | 91 (22) | 96 (14) | 96 (15) | 106 (19) | 111 (16) |
| 76 | fudgiebates | 118636 | 35:57 | 80 (11) | 116 (14) | 91 (12) | 111 (12) | 96 (16) |
| 77 | Jefe | 105359 | 36:34 | 78 (12) | 98 (12) | 88 (7) | 107 (13) | 116 (14) |
| 78 | 1234 | 220380 | 37:28 | 78 (20) | 107 (23) | 110 (23) | 100 (21) | 99 (21) |
| 79 | JohnDun | 233041 | 37:42 | 78 (18) | 95 (23) | 104 (24) | 99 (25) | 116 (23) |
| 80 | Big Nug | 260173 | 37:42 | 90 (26) | 109 (25) | 105 (25) | 95 (25) | 99 (24) |
| 81 | ulaca | 248675 | 39:51 | 90 (15) | 105 (23) | 108 (25) | 95 (26) | 97 (25) |
| 82 | Clovis | 261137 | 47:49 | 47 (21) | 101 (20) | 178 (19) | 60 (21) | 120 (20) |
| 83 | JerryR | 315318 | 49:06 | 85 (24) | 100 (23) | 104 (24) | 99 (24) | 111 (22) |