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 | 33322 | 06:02 | 90 (19) | 98 (20) | 90 (16) | 108 (25) | 106 (22) |
| 2 | Eamon Ryan | 42764 | 06:02 | 93 (26) | 101 (25) | 104 (25) | 101 (26) | 98 (26) |
| 3 | mohn | 24324 | 06:20 | 87 (18) | 108 (20) | 88 (10) | 98 (14) | 115 (12) |
| 4 | Lettuceleaf | 34221 | 06:37 | 103 (20) | 96 (19) | 102 (17) | 97 (19) | 100 (21) |
| 5 | Jason | 43677 | 06:44 | 85 (23) | 107 (24) | 101 (24) | 101 (24) | 102 (23) |
| 6 | verlaine | 52238 | 08:32 | 80 (25) | 106 (26) | 85 (19) | 102 (26) | 133 (16) |
| 7 | aphis99 | 60578 | 09:48 | 98 (22) | 96 (21) | 100 (25) | 100 (23) | 104 (22) |
| 8 | DaddyM | 36209 | 10:13 | 93 (13) | 93 (13) | 102 (15) | 106 (15) | 102 (13) |
| 9 | richard | 34630 | 10:18 | 89 (15) | 84 (6) | 91 (13) | 114 (15) | 107 (17) |
| 10 | AlanS | 39783 | 10:21 | 79 (16) | 93 (15) | 89 (13) | 102 (15) | 135 (15) |
| 11 | auchiedollie | 43465 | 10:29 | 86 (19) | 105 (20) | 103 (16) | 101 (15) | 107 (9) |
| 12 | chindit | 71316 | 11:32 | 85 (24) | 101 (24) | 96 (19) | 104 (22) | 110 (24) |
| 13 | lickert | 76812 | 11:44 | 80 (26) | 110 (24) | 95 (21) | 101 (24) | 113 (24) |
| 14 | tiggis | 29384 | 11:56 | 98 (12) | 111 (11) | 94 (9) | 90 (13) | 113 (6) |
| 15 | glheard | 70685 | 12:08 | 86 (20) | 102 (24) | 96 (23) | 101 (23) | 114 (17) |
| 16 | Tom Stubbs | 83282 | 12:17 | 84 (25) | 112 (26) | 100 (23) | 92 (24) | 108 (25) |
| 17 | Topical Tim | 63746 | 12:29 | 73 (21) | 119 (19) | 104 (17) | 100 (19) | 106 (19) |
| 18 | Stavros | 82113 | 13:25 | 85 (24) | 104 (25) | 97 (18) | 100 (22) | 110 (23) |
| 19 | Silva | 82059 | 13:32 | 80 (21) | 104 (23) | 98 (23) | 105 (25) | 111 (19) |
| 20 | neilr | 91979 | 13:33 | 86 (25) | 100 (26) | 98 (23) | 104 (25) | 111 (24) |
| 21 | keriothe_ | 97105 | 14:19 | 82 (25) | 101 (24) | 108 (23) | 99 (25) | 107 (26) |
| 22 | Tibthorpe | 98367 | 14:22 | 80 (25) | 94 (26) | 109 (25) | 103 (24) | 112 (24) |
| 23 | mchalen | 75780 | 14:41 | 85 (20) | 107 (20) | 94 (18) | 104 (19) | 106 (19) |
| 24 | Ron's mum | 67630 | 15:01 | 82 (20) | 121 (17) | 119 (17) | 80 (14) | 95 (17) |
| 25 | BoxBrownie | 66423 | 15:09 | 85 (19) | 114 (16) | 96 (19) | 94 (13) | 111 (16) |
| 26 | fshephe | 108182 | 15:09 | 86 (26) | 102 (26) | 107 (26) | 103 (25) | 99 (26) |
| 27 | Sue Sweeper | 65532 | 15:10 | 78 (18) | 114 (19) | 87 (15) | 92 (15) | 126 (15) |
| 28 | SimonAnthony | 98345 | 15:27 | 87 (22) | 93 (25) | 106 (24) | 90 (21) | 120 (24) |
| 29 | phthisis | 54692 | 15:42 | 87 (13) | 100 (12) | 93 (15) | 103 (15) | 115 (13) |
| 30 | earlylight | 48224 | 15:45 | 93 (16) | 99 (14) | 93 (11) | 88 (9) | 127 (11) |
| 31 | AndyOwl | 70342 | 15:50 | 86 (18) | 96 (18) | 114 (14) | 87 (17) | 119 (17) |
| 32 | mikegrocott | 86119 | 15:56 | 89 (21) | 109 (19) | 100 (18) | 93 (21) | 108 (21) |
| 33 | ChuckB | 96619 | 16:15 | 85 (22) | 100 (19) | 97 (23) | 105 (24) | 111 (21) |
| 34 | sotira | 87707 | 16:36 | 87 (22) | 106 (20) | 93 (14) | 101 (18) | 108 (24) |
| 35 | noidea | 106707 | 17:06 | 87 (25) | 99 (18) | 101 (23) | 101 (25) | 110 (23) |
| 36 | Groucho | 89737 | 17:23 | 84 (24) | 116 (20) | 99 (19) | 102 (20) | 100 (13) |
| 37 | robinh | 117916 | 17:42 | 78 (23) | 101 (25) | 108 (25) | 104 (25) | 105 (23) |
| 38 | OliviaRhineb | 122119 | 18:20 | 81 (24) | 101 (24) | 106 (24) | 99 (25) | 110 (24) |
| 39 | Spanna | 63479 | 18:33 | 91 (13) | 97 (11) | 101 (16) | 102 (15) | 106 (12) |
| 40 | GMcD | 126742 | 19:01 | 82 (24) | 108 (25) | 103 (24) | 101 (24) | 104 (24) |
| 41 | Big Mick | 95652 | 19:12 | 87 (22) | 102 (22) | 98 (14) | 103 (21) | 111 (14) |
| 42 | David P | 116085 | 19:20 | 89 (24) | 101 (21) | 96 (18) | 99 (25) | 114 (22) |
| 43 | MickinEly2 | 52942 | 19:36 | 90 (10) | 94 (8) | 99 (12) | 105 (13) | 105 (12) |
| 44 | David Crooks | 137532 | 19:45 | 87 (26) | 104 (26) | 98 (26) | 97 (23) | 113 (25) |
| 45 | sampson | 101826 | 20:12 | 86 (19) | 101 (20) | 101 (19) | 101 (20) | 110 (16) |
| 46 | reindeer | 143045 | 20:12 | 84 (26) | 102 (25) | 98 (26) | 104 (26) | 109 (25) |
| 47 | John Arnold | 63222 | 20:15 | 93 (16) | 105 (13) | 101 (11) | 97 (13) | 108 (9) |
| 48 | pterodactyl | 77419 | 20:48 | 85 (13) | 105 (14) | 109 (15) | 87 (16) | 112 (14) |
| 49 | kath | 60498 | 21:00 | 95 (13) | 96 (12) | 105 (13) | 98 (11) | 105 (9) |
| 50 | Zabadak | 124526 | 21:23 | 86 (21) | 108 (23) | 88 (21) | 101 (19) | 112 (23) |
| 51 | barracuda | 145261 | 22:00 | 83 (24) | 94 (24) | 111 (24) | 98 (24) | 111 (24) |
| 52 | Kevin Gregg | 125455 | 22:58 | 84 (24) | 96 (19) | 106 (18) | 103 (23) | 114 (17) |
| 53 | Bert Dove | 55557 | 23:08 | 92 (15) | 110 (8) | 91 (9) | 108 (11) | 102 (7) |
| 54 | xmogg | 79893 | 23:46 | 102 (12) | 106 (15) | 91 (16) | 97 (11) | 103 (12) |
| 55 | KarenR | 71379 | 24:16 | 83 (13) | 118 (12) | 107 (11) | 97 (13) | 94 (10) |
| 56 | benedick | 96492 | 24:22 | 75 (14) | 101 (17) | 100 (14) | 99 (17) | 123 (14) |
| 57 | zythum | 134581 | 24:38 | 86 (25) | 110 (21) | 103 (19) | 98 (20) | 105 (16) |
| 58 | crosswordian | 164642 | 25:53 | 88 (25) | 107 (25) | 100 (24) | 92 (20) | 109 (22) |
| 59 | Solver52 | 167075 | 26:01 | 92 (24) | 99 (24) | 101 (24) | 102 (22) | 104 (23) |
| 60 | Edprof | 130305 | 26:48 | 78 (17) | 98 (20) | 116 (17) | 97 (18) | 108 (19) |
| 61 | Chadwick | 181202 | 28:13 | 82 (24) | 107 (23) | 104 (25) | 99 (23) | 106 (22) |
| 62 | NAPASAI | 92122 | 28:25 | 97 (13) | 93 (14) | 83 (13) | 102 (13) | 129 (11) |
| 63 | Manveru | 104633 | 28:35 | 81 (15) | 106 (16) | 112 (12) | 92 (11) | 105 (17) |
| 64 | dec | 106409 | 31:40 | 92 (13) | 97 (13) | 105 (12) | 110 (13) | 96 (15) |
| 65 | rosselliot | 186507 | 31:43 | 87 (22) | 102 (20) | 103 (22) | 103 (22) | 104 (22) |
| 66 | FelicityTT | 84236 | 31:54 | 83 (11) | 121 (9) | 92 (13) | 108 (10) | 101 (11) |
| 67 | nekabue | 190829 | 32:07 | 87 (25) | 95 (23) | 109 (24) | 96 (21) | 116 (16) |
| 68 | koro | 219972 | 33:01 | 86 (25) | 101 (24) | 103 (23) | 106 (25) | 102 (24) |
| 69 | diogenes | 133308 | 33:09 | 80 (16) | 102 (12) | 93 (13) | 106 (17) | 113 (19) |
| 70 | Jeeves | 113024 | 33:38 | 86 (12) | 102 (14) | 93 (14) | 96 (14) | 122 (12) |
| 71 | Mkgnao | 224188 | 34:55 | 88 (24) | 102 (24) | 107 (23) | 83 (23) | 118 (23) |
| 72 | cassandra | 248674 | 36:02 | 96 (26) | 100 (25) | 98 (25) | 102 (24) | 102 (25) |
| 73 | Glyndwr | 164396 | 36:03 | 92 (22) | 99 (15) | 100 (15) | 104 (20) | 106 (14) |
| 74 | fudgiebates | 137171 | 37:28 | 81 (12) | 113 (16) | 88 (12) | 109 (14) | 100 (17) |
| 75 | Big Nug | 234303 | 37:32 | 85 (24) | 114 (23) | 104 (24) | 92 (22) | 102 (21) |
| 76 | Jefe | 127227 | 38:33 | 74 (14) | 101 (14) | 73 (8) | 111 (14) | 122 (15) |
| 77 | JohnDun | 236204 | 38:35 | 80 (17) | 91 (24) | 104 (23) | 99 (25) | 118 (23) |
| 78 | 1234 | 220654 | 38:42 | 73 (19) | 107 (23) | 110 (23) | 101 (21) | 102 (19) |
| 79 | ulaca | 239022 | 40:39 | 82 (13) | 109 (22) | 104 (24) | 98 (25) | 96 (24) |
| 80 | JerryR | 301788 | 48:49 | 85 (23) | 102 (22) | 104 (23) | 92 (23) | 116 (22) |
| 81 | Clovis | 284992 | 54:35 | 42 (20) | 92 (20) | 193 (18) | 52 (21) | 134 (18) |