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 | mohn | 20764 | 05:58 | 91 (16) | 104 (15) | 100 (10) | 89 (14) | 116 (13) | 
| 2 | Eamon Ryan | 42217 | 06:00 | 92 (26) | 101 (24) | 104 (26) | 100 (26) | 101 (25) | 
| 3 | Magoo | 29463 | 06:03 | 87 (17) | 92 (19) | 99 (14) | 106 (22) | 111 (19) | 
| 4 | Lettuceleaf | 27978 | 06:08 | 103 (16) | 98 (19) | 98 (16) | 101 (18) | 97 (17) | 
| 5 | Jason | 45668 | 06:58 | 86 (22) | 99 (24) | 99 (25) | 100 (24) | 114 (24) | 
| 6 | verlaine | 53379 | 08:28 | 87 (26) | 96 (26) | 100 (19) | 96 (26) | 127 (18) | 
| 7 | DaddyM | 23415 | 09:04 | 96 (10) | 94 (12) | 102 (14) | 103 (9) | 104 (8) | 
| 8 | aphis99 | 63512 | 09:48 | 89 (24) | 100 (21) | 102 (25) | 91 (25) | 117 (23) | 
| 9 | AlanS | 37259 | 10:20 | 77 (14) | 96 (14) | 95 (13) | 94 (15) | 136 (14) | 
| 10 | chindit | 68598 | 11:25 | 85 (24) | 99 (23) | 105 (20) | 94 (20) | 115 (23) | 
| 11 | Topical Tim | 64433 | 11:40 | 81 (22) | 113 (19) | 103 (19) | 96 (21) | 107 (21) | 
| 12 | glheard | 64224 | 11:53 | 87 (20) | 96 (23) | 104 (20) | 101 (22) | 113 (15) | 
| 13 | lickert | 70238 | 12:04 | 85 (23) | 102 (21) | 93 (21) | 99 (19) | 118 (23) | 
| 14 | Tom Stubbs | 86075 | 12:35 | 87 (25) | 97 (26) | 102 (23) | 89 (24) | 120 (26) | 
| 15 | Silva | 82402 | 13:27 | 80 (21) | 98 (23) | 107 (22) | 99 (25) | 113 (21) | 
| 16 | Stavros | 81824 | 13:38 | 83 (22) | 98 (25) | 102 (17) | 102 (21) | 112 (25) | 
| 17 | neilr | 95755 | 13:59 | 85 (25) | 99 (26) | 97 (23) | 101 (26) | 117 (24) | 
| 18 | keriothe_ | 89516 | 14:04 | 87 (25) | 93 (22) | 108 (21) | 103 (25) | 108 (23) | 
| 19 | Ben Staveley | 41630 | 14:27 | 77 (12) | 93 (12) | 112 (12) | 104 (10) | 112 (12) | 
| 20 | BoxBrownie | 63881 | 14:35 | 84 (19) | 108 (16) | 101 (21) | 96 (12) | 110 (15) | 
| 21 | Tibthorpe | 96808 | 15:04 | 72 (24) | 89 (24) | 116 (24) | 100 (21) | 121 (24) | 
| 22 | fshephe | 106052 | 15:06 | 85 (24) | 95 (26) | 104 (25) | 99 (26) | 113 (26) | 
| 23 | Sue Sweeper | 64239 | 15:31 | 79 (17) | 110 (16) | 97 (17) | 98 (17) | 121 (12) | 
| 24 | Ron's mum | 71082 | 15:35 | 61 (20) | 139 (19) | 129 (17) | 62 (14) | 103 (16) | 
| 25 | earlylight | 36811 | 15:43 | 86 (12) | 95 (12) | 98 (9) | 97 (7) | 128 (9) | 
| 26 | mchalen | 82513 | 15:48 | 90 (21) | 102 (20) | 95 (20) | 94 (18) | 118 (18) | 
| 27 | ChuckB | 88224 | 15:58 | 84 (23) | 99 (18) | 100 (20) | 100 (21) | 117 (20) | 
| 28 | SimonAnthony | 107040 | 16:04 | 90 (25) | 100 (25) | 107 (25) | 97 (22) | 103 (24) | 
| 29 | AndyOwl | 33830 | 16:06 | 81 (10) | 99 (10) | 123 (7) | 91 (9) | 113 (9) | 
| 30 | phthisis | 43108 | 16:19 | 91 (10) | 97 (11) | 96 (12) | 94 (10) | 118 (11) | 
| 31 | mikegrocott | 72118 | 16:27 | 89 (18) | 101 (14) | 105 (18) | 96 (17) | 108 (16) | 
| 32 | noidea | 97433 | 16:34 | 91 (25) | 102 (21) | 106 (22) | 94 (21) | 107 (19) | 
| 33 | sotira | 86454 | 16:45 | 90 (22) | 95 (19) | 95 (14) | 99 (16) | 113 (25) | 
| 34 | robinh | 113406 | 17:10 | 79 (23) | 99 (24) | 109 (25) | 96 (25) | 114 (23) | 
| 35 | Groucho | 93474 | 17:30 | 84 (24) | 108 (21) | 104 (20) | 102 (22) | 103 (12) | 
| 36 | Big Mick | 67493 | 18:08 | 93 (18) | 98 (18) | 107 (8) | 98 (17) | 111 (11) | 
| 37 | OliviaRhineb | 126295 | 18:27 | 81 (25) | 99 (24) | 109 (25) | 94 (25) | 115 (25) | 
| 38 | Spanna | 66828 | 18:33 | 95 (15) | 99 (13) | 99 (14) | 99 (14) | 106 (14) | 
| 39 | David P | 111645 | 18:59 | 93 (23) | 95 (21) | 98 (19) | 101 (24) | 111 (21) | 
| 40 | MickinEly2 | 42656 | 19:12 | 90 (9) | 95 (9) | 104 (10) | 103 (12) | 106 (7) | 
| 41 | GMcD | 132701 | 19:13 | 80 (25) | 100 (25) | 111 (25) | 96 (25) | 111 (25) | 
| 42 | David Crooks | 128721 | 19:30 | 85 (24) | 105 (24) | 103 (25) | 91 (23) | 113 (24) | 
| 43 | sampson | 92382 | 20:15 | 91 (16) | 99 (19) | 99 (17) | 98 (20) | 113 (14) | 
| 44 | John Arnold | 70642 | 20:17 | 96 (19) | 107 (13) | 100 (12) | 91 (14) | 109 (10) | 
| 45 | reindeer | 101385 | 20:21 | 84 (19) | 105 (17) | 103 (19) | 99 (19) | 108 (19) | 
| 46 | pterodactyl | 108749 | 20:35 | 84 (19) | 99 (20) | 111 (19) | 96 (21) | 108 (19) | 
| 47 | barracuda | 136550 | 20:52 | 84 (24) | 90 (24) | 117 (23) | 97 (24) | 110 (24) | 
| 48 | Zabadak | 126572 | 21:05 | 87 (22) | 105 (22) | 93 (20) | 93 (23) | 118 (23) | 
| 49 | kath | 57196 | 21:39 | 96 (14) | 90 (13) | 105 (10) | 106 (11) | 108 (6) | 
| 50 | xmogg | 58042 | 22:29 | 97 (9) | 106 (11) | 91 (13) | 94 (9) | 109 (11) | 
| 51 | Bert Dove | 47542 | 22:38 | 98 (13) | 94 (9) | 93 (8) | 114 (9) | 96 (6) | 
| 52 | KarenR | 76924 | 22:53 | 79 (15) | 95 (12) | 107 (12) | 109 (15) | 111 (12) | 
| 53 | Kevin Gregg | 135461 | 23:02 | 87 (25) | 100 (23) | 103 (18) | 99 (23) | 114 (19) | 
| 54 | Scoffer | 62387 | 23:06 | 107 (9) | 87 (13) | 100 (13) | 111 (12) | 94 (8) | 
| 55 | benedick | 80643 | 23:34 | 90 (13) | 96 (14) | 108 (12) | 91 (16) | 118 (12) | 
| 56 | zythum | 125285 | 24:51 | 84 (20) | 104 (20) | 104 (18) | 96 (19) | 112 (17) | 
| 57 | Solver52 | 168992 | 25:22 | 94 (25) | 91 (24) | 106 (25) | 100 (24) | 107 (23) | 
| 58 | crosswordian | 164493 | 25:23 | 84 (24) | 101 (24) | 110 (24) | 95 (24) | 107 (22) | 
| 59 | Edprof | 158857 | 26:44 | 86 (22) | 94 (24) | 112 (21) | 100 (21) | 107 (21) | 
| 60 | Chadwick | 182067 | 28:21 | 77 (22) | 97 (23) | 110 (25) | 98 (25) | 114 (22) | 
| 61 | Manveru | 100675 | 28:55 | 84 (14) | 99 (14) | 111 (14) | 98 (12) | 105 (14) | 
| 62 | NAPASAI | 120688 | 29:34 | 99 (19) | 84 (17) | 84 (12) | 103 (14) | 125 (16) | 
| 63 | diogenes | 140416 | 30:23 | 85 (19) | 95 (15) | 98 (15) | 99 (18) | 118 (20) | 
| 64 | dec | 84354 | 30:33 | 94 (11) | 94 (10) | 113 (11) | 101 (13) | 95 (11) | 
| 65 | rosselliot | 193504 | 31:37 | 82 (24) | 97 (20) | 106 (23) | 104 (24) | 110 (21) | 
| 66 | nekabue | 205307 | 32:35 | 88 (26) | 86 (23) | 115 (22) | 92 (24) | 123 (20) | 
| 67 | Jeeves | 92464 | 32:47 | 98 (10) | 103 (11) | 98 (12) | 90 (12) | 108 (12) | 
| 68 | koro | 210577 | 33:06 | 86 (25) | 97 (22) | 105 (22) | 102 (23) | 110 (24) | 
| 69 | Mkgnao | 228140 | 34:15 | 90 (24) | 102 (25) | 109 (25) | 83 (23) | 112 (24) | 
| 70 | cassandra | 249208 | 34:36 | 98 (26) | 100 (26) | 98 (26) | 101 (26) | 101 (26) | 
| 71 | fudgiebates | 98541 | 35:42 | 90 (13) | 105 (12) | 102 (9) | 100 (10) | 102 (12) | 
| 72 | Glyndwr | 162566 | 36:07 | 89 (22) | 91 (15) | 102 (13) | 99 (19) | 122 (16) | 
| 73 | 1234 | 224276 | 37:00 | 82 (19) | 102 (24) | 106 (24) | 96 (21) | 106 (23) | 
| 74 | JohnDun | 231325 | 38:10 | 77 (18) | 88 (21) | 106 (24) | 103 (24) | 116 (24) | 
| 75 | Big Nug | 273833 | 39:20 | 85 (26) | 110 (25) | 104 (25) | 89 (25) | 110 (25) | 
| 76 | ulaca | 240937 | 40:09 | 81 (15) | 98 (22) | 110 (25) | 96 (25) | 105 (23) | 
| 77 | Jefe | 118787 | 41:14 | 67 (14) | 89 (12) | 153 (8) | 97 (9) | 115 (15) | 
| 78 | JerryR | 320627 | 49:56 | 84 (24) | 86 (23) | 107 (24) | 94 (24) | 129 (22) | 
| 79 | Clovis | 305847 | 51:29 | 44 (23) | 121 (22) | 126 (20) | 69 (22) | 144 (22) |