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 | 46 | 04:25 | 80 (12) | 92 (10) | 99 (9) | 87 (8) | 160 (7) |
| 2 | Nathan Panning | 95 | 05:49 | 70 (22) | 89 (18) | 86 (20) | 101 (17) | 161 (18) |
| 3 | lili | 123 | 05:54 | 73 (26) | 83 (23) | 93 (26) | 112 (24) | 138 (24) |
| 4 | Magoo | 105 | 05:56 | 69 (19) | 83 (22) | 93 (20) | 106 (24) | 145 (20) |
| 5 | Paul Gilbert | 89 | 06:07 | 75 (21) | 90 (18) | 103 (20) | 96 (16) | 147 (14) |
| 6 | Diskus | 100 | 06:16 | 78 (20) | 84 (19) | 95 (20) | 104 (21) | 135 (20) |
| 7 | cmjhutton | 116 | 06:16 | 72 (25) | 86 (23) | 98 (24) | 98 (23) | 151 (21) |
| 8 | verlaine | 121 | 06:20 | 77 (24) | 89 (23) | 92 (25) | 103 (25) | 136 (24) |
| 9 | Jason | 114 | 06:29 | 69 (21) | 93 (25) | 97 (23) | 101 (25) | 141 (20) |
| 10 | mistigris | 85 | 07:25 | 64 (13) | 81 (15) | 84 (19) | 102 (20) | 154 (18) |
| 11 | Alexis Johansen | 52 | 07:33 | 79 (9) | 94 (14) | 94 (11) | 116 (8) | 118 (10) |
| 12 | aphis99 | 109 | 07:39 | 67 (20) | 92 (24) | 94 (22) | 107 (23) | 139 (20) |
| 13 | HoneyBadger | 128 | 08:19 | 78 (24) | 91 (26) | 93 (26) | 104 (26) | 129 (26) |
| 14 | Umpire | 109 | 08:52 | 82 (22) | 91 (20) | 89 (23) | 100 (20) | 132 (24) |
| 15 | asaldanha | 99 | 09:16 | 66 (23) | 91 (19) | 94 (21) | 106 (19) | 155 (17) |
| 16 | richard | 71 | 09:19 | 69 (14) | 85 (15) | 86 (18) | 108 (11) | 161 (13) |
| 17 | AlanS | 86 | 09:33 | 78 (21) | 82 (19) | 91 (16) | 107 (15) | 154 (15) |
| 18 | glheard | 80 | 09:39 | 79 (21) | 98 (17) | 99 (16) | 108 (19) | 143 (7) |
| 19 | markdobell | 108 | 09:43 | 71 (25) | 92 (22) | 105 (21) | 100 (21) | 140 (19) |
| 20 | Ciolf | 105 | 10:04 | 81 (21) | 87 (22) | 98 (23) | 101 (19) | 134 (20) |
| 21 | Kinghedger | 107 | 10:39 | 78 (22) | 89 (22) | 93 (24) | 101 (19) | 140 (20) |
| 22 | scrabbler | 113 | 10:55 | 86 (24) | 87 (24) | 96 (22) | 104 (24) | 131 (19) |
| 23 | lickert | 114 | 11:04 | 75 (22) | 100 (25) | 96 (22) | 100 (22) | 125 (23) |
| 24 | chindit | 106 | 11:08 | 75 (22) | 87 (22) | 96 (20) | 99 (22) | 145 (20) |
| 25 | Heyesey | 80 | 11:09 | 69 (14) | 102 (21) | 104 (17) | 97 (17) | 130 (11) |
| 26 | keriothe_ | 116 | 11:17 | 64 (23) | 87 (24) | 88 (25) | 99 (23) | 168 (21) |
| 27 | Amoeba89 | 114 | 11:26 | 64 (22) | 90 (26) | 93 (23) | 101 (22) | 154 (21) |
| 28 | Deane Short | 80 | 11:30 | 74 (15) | 86 (19) | 114 (18) | 96 (16) | 136 (12) |
| 29 | neilr | 84 | 11:30 | 81 (19) | 92 (21) | 102 (19) | 105 (16) | 142 (9) |
| 30 | Tom Stubbs | 114 | 11:33 | 76 (24) | 92 (25) | 94 (21) | 106 (24) | 136 (20) |
| 31 | Morphosis | 90 | 11:36 | 78 (17) | 95 (22) | 105 (21) | 107 (20) | 120 (10) |
| 32 | andy | 78 | 11:43 | 84 (18) | 90 (18) | 93 (16) | 115 (15) | 129 (11) |
| 33 | miked1961 | 89 | 11:45 | 70 (19) | 91 (16) | 92 (16) | 100 (22) | 150 (16) |
| 34 | David Crooks | 97 | 11:48 | 77 (23) | 90 (21) | 98 (18) | 103 (19) | 142 (16) |
| 35 | philjordan1147 | 79 | 11:59 | 71 (16) | 91 (14) | 101 (20) | 107 (17) | 134 (12) |
| 36 | MikeOsborne | 95 | 12:15 | 82 (20) | 91 (22) | 104 (22) | 100 (21) | 142 (10) |
| 37 | chriswords | 89 | 12:19 | 81 (22) | 90 (18) | 92 (18) | 114 (17) | 132 (14) |
| 38 | Sheapey | 119 | 12:23 | 70 (24) | 83 (25) | 96 (24) | 91 (24) | 163 (22) |
| 39 | Topical Tim | 109 | 12:28 | 69 (21) | 84 (23) | 91 (22) | 106 (23) | 151 (20) |
| 40 | tilbee | 88 | 12:41 | 72 (18) | 88 (20) | 89 (17) | 97 (18) | 164 (15) |
| 41 | Groucho | 101 | 12:44 | 76 (22) | 91 (23) | 99 (23) | 110 (20) | 138 (13) |
| 42 | Silva | 100 | 12:48 | 88 (24) | 85 (21) | 98 (22) | 101 (20) | 146 (13) |
| 43 | canismiser | 60 | 12:54 | 83 (18) | 97 (13) | 102 (11) | 108 (12) | 132 (6) |
| 44 | njnclarke | 63 | 12:54 | 77 (18) | 90 (12) | 104 (14) | 112 (11) | 139 (8) |
| 45 | JimboFS | 79 | 13:04 | 80 (20) | 84 (16) | 97 (20) | 113 (14) | 155 (9) |
| 46 | March | 98 | 13:14 | 71 (19) | 91 (23) | 99 (20) | 106 (23) | 146 (13) |
| 47 | EricK | 116 | 13:16 | 66 (23) | 83 (25) | 88 (24) | 104 (20) | 156 (24) |
| 48 | Stavros | 106 | 13:21 | 74 (24) | 83 (22) | 86 (20) | 102 (21) | 162 (19) |
| 49 | Secondbass | 83 | 13:25 | 76 (16) | 96 (17) | 92 (19) | 104 (16) | 133 (15) |
| 50 | Ed freshpot | 76 | 13:26 | 76 (21) | 88 (12) | 108 (16) | 99 (12) | 133 (15) |
| 51 | alexh | 78 | 14:00 | 88 (19) | 99 (18) | 95 (17) | 105 (17) | 131 (7) |
| 52 | LouWeed | 108 | 14:00 | 72 (23) | 85 (21) | 97 (20) | 102 (21) | 140 (23) |
| 53 | Paul Hammond | 52 | 14:01 | 83 (15) | 97 (14) | 99 (8) | 103 (7) | 133 (8) |
| 54 | Pootle | 93 | 14:10 | 75 (22) | 95 (21) | 101 (19) | 106 (20) | 143 (11) |
| 55 | Semillon | 126 | 14:14 | 69 (25) | 83 (25) | 95 (26) | 99 (24) | 149 (26) |
| 56 | Riche | 63 | 14:30 | 80 (16) | 95 (15) | 106 (10) | 102 (11) | 126 (11) |
| 57 | Ben Staveley | 67 | 14:30 | 71 (13) | 82 (14) | 104 (12) | 106 (16) | 137 (12) |
| 58 | benbush | 50 | 14:34 | 67 (11) | 85 (11) | 100 (9) | 110 (9) | 141 (10) |
| 59 | Rinteff | 58 | 14:38 | 77 (15) | 94 (11) | 105 (12) | 102 (12) | 139 (8) |
| 60 | Tibthorpe | 116 | 14:42 | 76 (25) | 85 (21) | 91 (22) | 100 (26) | 148 (22) |
| 61 | gabrojak | 57 | 14:45 | 73 (13) | 83 (11) | 99 (14) | 108 (11) | 153 (8) |
| 62 | franceslc11 | 77 | 15:02 | 76 (14) | 90 (9) | 89 (12) | 88 (19) | 133 (23) |
| 63 | Looch | 98 | 15:05 | 82 (17) | 97 (21) | 98 (23) | 104 (21) | 117 (16) |
| 64 | Finzi | 126 | 15:09 | 83 (25) | 90 (25) | 97 (26) | 100 (25) | 129 (25) |
| 65 | whichcraft | 88 | 15:12 | 73 (18) | 83 (21) | 96 (18) | 113 (14) | 141 (17) |
| 66 | JezWoolfrey | 67 | 15:18 | 79 (15) | 90 (18) | 103 (13) | 104 (12) | 141 (9) |
| 67 | julian_w | 65 | 15:19 | 73 (10) | 89 (12) | 93 (14) | 100 (15) | 134 (14) |
| 68 | cdb_100 | 109 | 15:20 | 64 (24) | 77 (20) | 78 (22) | 136 (24) | 146 (19) |
| 69 | CentralLine | 102 | 15:25 | 64 (21) | 85 (19) | 96 (21) | 104 (21) | 149 (20) |
| 70 | andrewlake | 116 | 15:48 | 73 (21) | 86 (25) | 95 (21) | 107 (24) | 132 (25) |
| 71 | hopkinb | 65 | 15:57 | 82 (20) | 97 (9) | 103 (20) | 108 (9) | 131 (7) |
| 72 | tapbarker | 103 | 15:59 | 73 (22) | 85 (20) | 85 (21) | 103 (18) | 150 (22) |
| 73 | RobR | 81 | 16:00 | 74 (20) | 92 (20) | 105 (12) | 115 (19) | 130 (10) |
| 74 | robertL | 62 | 16:01 | 81 (15) | 91 (14) | 98 (12) | 112 (12) | 129 (9) |
| 75 | McBeakLives | 62 | 16:20 | 57 (12) | 104 (16) | 103 (13) | 107 (12) | 133 (9) |
| 76 | Jeremy S | 82 | 16:37 | 86 (19) | 100 (20) | 100 (17) | 105 (17) | 114 (9) |
| 77 | rrricharrrd | 90 | 16:48 | 67 (17) | 84 (18) | 88 (22) | 115 (18) | 154 (15) |
| 78 | Valance | 61 | 16:55 | 78 (16) | 80 (10) | 84 (12) | 105 (11) | 155 (12) |
| 79 | ilan | 79 | 16:57 | 82 (17) | 87 (14) | 89 (15) | 101 (14) | 130 (19) |
| 80 | Encota | 101 | 16:57 | 70 (22) | 86 (20) | 94 (20) | 112 (23) | 146 (16) |
| 81 | phthisis | 51 | 16:59 | 75 (9) | 80 (9) | 86 (11) | 106 (12) | 146 (10) |
| 82 | Crossiant | 69 | 17:18 | 59 (15) | 82 (14) | 84 (10) | 97 (15) | 169 (15) |
| 83 | SeamusX | 41 | 17:19 | 74 (12) | 108 (10) | 120 (6) | 80 (7) | 138 (6) |
| 84 | Craven | 86 | 17:49 | 86 (18) | 97 (18) | 96 (17) | 101 (19) | 124 (14) |
| 85 | PGooden | 81 | 18:00 | 68 (14) | 82 (13) | 94 (20) | 100 (18) | 148 (16) |
| 86 | earlylight | 45 | 18:04 | 74 (8) | 110 (7) | 98 (12) | 98 (8) | 116 (10) |
| 87 | Dzhigit | 66 | 18:14 | 72 (15) | 92 (11) | 98 (16) | 112 (16) | 138 (8) |
| 88 | Zander | 100 | 18:27 | 67 (23) | 93 (19) | 102 (17) | 99 (20) | 139 (21) |
| 89 | Squallaby | 88 | 18:28 | 63 (16) | 87 (21) | 94 (20) | 103 (18) | 168 (13) |
| 90 | ramf | 36 | 18:31 | 70 (7) | 82 (8) | 78 (7) | 97 (8) | 186 (6) |
| 91 | DanSolo | 82 | 18:36 | 70 (14) | 82 (17) | 94 (17) | 97 (19) | 156 (15) |
| 92 | robinh | 95 | 18:41 | 78 (17) | 95 (19) | 91 (18) | 107 (20) | 121 (21) |
| 93 | Jeremy Kenyon | 89 | 19:04 | 67 (19) | 104 (20) | 107 (17) | 106 (18) | 118 (15) |
| 94 | daniel.faith | 90 | 19:04 | 73 (22) | 96 (17) | 86 (17) | 92 (16) | 154 (18) |
| 95 | KarenR | 67 | 19:09 | 70 (12) | 94 (14) | 99 (16) | 105 (13) | 130 (12) |
| 96 | Galspray | 105 | 19:13 | 64 (21) | 85 (20) | 94 (23) | 84 (19) | 166 (22) |
| 97 | LJCN | 88 | 19:15 | 72 (16) | 81 (20) | 84 (16) | 112 (19) | 148 (17) |
| 98 | GMcD | 112 | 19:17 | 68 (18) | 89 (23) | 96 (26) | 101 (24) | 141 (21) |
| 99 | pterodactyl | 79 | 19:19 | 83 (19) | 87 (15) | 94 (18) | 110 (16) | 137 (11) |
| 100 | Colin2355 | 83 | 19:20 | 72 (19) | 94 (17) | 91 (16) | 101 (15) | 145 (16) |
| 101 | uvofiz | 76 | 19:33 | 82 (16) | 88 (14) | 101 (17) | 107 (21) | 131 (8) |
| 102 | Willie F | 45 | 19:40 | 91 (8) | 85 (10) | 88 (10) | 97 (9) | 143 (8) |
| 103 | pc8 | 116 | 19:40 | 67 (24) | 84 (24) | 87 (21) | 106 (24) | 154 (23) |
| 104 | Gallion Fish | 66 | 19:43 | 78 (20) | 80 (12) | 105 (11) | 97 (12) | 158 (11) |
| 105 | UisceTe | 45 | 20:00 | 83 (11) | 91 (7) | 90 (12) | 112 (7) | 134 (8) |
| 106 | Rowlie26 | 54 | 20:11 | 85 (14) | 97 (13) | 104 (12) | 107 (9) | 119 (6) |
| 107 | Nangle | 73 | 20:39 | 89 (19) | 85 (13) | 104 (20) | 99 (13) | 138 (8) |
| 108 | The Caffeine Kid | 74 | 20:57 | 77 (13) | 90 (13) | 99 (13) | 96 (16) | 124 (19) |
| 109 | Zabadak3 | 110 | 20:57 | 72 (21) | 85 (20) | 98 (23) | 99 (23) | 140 (23) |
| 110 | george.garlick | 85 | 20:58 | 81 (15) | 91 (20) | 97 (17) | 108 (16) | 120 (17) |
| 111 | valerian1967 | 74 | 21:01 | 69 (8) | 82 (14) | 100 (16) | 89 (18) | 137 (18) |
| 112 | Hamish.S | 94 | 21:37 | 70 (20) | 85 (20) | 101 (17) | 99 (21) | 154 (16) |
| 113 | gsriordan52 | 77 | 21:47 | 77 (15) | 99 (16) | 96 (18) | 104 (17) | 129 (11) |
| 114 | Rod B | 100 | 21:55 | 70 (21) | 96 (21) | 98 (24) | 103 (18) | 141 (16) |
| 115 | Waterloo | 72 | 21:56 | 74 (15) | 92 (20) | 96 (15) | 94 (10) | 153 (12) |
| 116 | stainl665 | 64 | 22:21 | 79 (12) | 88 (11) | 93 (12) | 94 (14) | 135 (15) |
| 117 | Anomalospiza | 43 | 22:23 | 70 (7) | 63 (8) | 85 (10) | 116 (9) | 155 (9) |
| 118 | Corymbia | 93 | 22:28 | 75 (17) | 93 (16) | 91 (20) | 107 (21) | 127 (19) |
| 119 | James P | 75 | 22:31 | 63 (16) | 75 (15) | 81 (14) | 100 (14) | 175 (16) |
| 120 | goblin | 128 | 22:49 | 78 (24) | 87 (26) | 99 (26) | 101 (26) | 131 (26) |
| 121 | Tudds | 96 | 22:55 | 71 (19) | 89 (22) | 97 (22) | 105 (17) | 147 (16) |
| 122 | Aldus | 84 | 23:07 | 73 (17) | 103 (20) | 102 (18) | 97 (20) | 142 (9) |
| 123 | JayEm | 97 | 23:09 | 69 (18) | 91 (19) | 97 (23) | 108 (17) | 130 (20) |
| 124 | Fidelio | 41 | 23:16 | 78 (8) | 86 (7) | 94 (11) | 105 (8) | 139 (7) |
| 125 | mjsaunders9 | 103 | 23:41 | 62 (19) | 93 (22) | 89 (23) | 118 (19) | 138 (20) |
| 126 | infinitejest | 50 | 23:48 | 82 (11) | 87 (13) | 101 (9) | 103 (10) | 142 (7) |
| 127 | Mkgnao | 78 | 24:14 | 83 (25) | 93 (14) | 100 (14) | 105 (12) | 134 (13) |
| 128 | rjcassidy | 99 | 24:24 | 73 (21) | 90 (20) | 97 (19) | 103 (22) | 140 (17) |
| 129 | MichelinPoitiers | 74 | 24:29 | 82 (22) | 85 (16) | 95 (12) | 107 (13) | 150 (11) |
| 130 | En Cee | 63 | 24:44 | 85 (17) | 89 (10) | 98 (13) | 105 (11) | 125 (12) |
| 131 | JohnDun | 83 | 24:45 | 68 (20) | 91 (10) | 101 (16) | 97 (21) | 147 (16) |
| 132 | ulaca | 78 | 25:39 | 78 (21) | 100 (17) | 92 (17) | 111 (15) | 151 (8) |
| 133 | Brenk | 87 | 26:00 | 67 (19) | 90 (20) | 96 (18) | 99 (14) | 154 (16) |
| 134 | Coffell | 84 | 26:03 | 69 (14) | 102 (18) | 99 (19) | 112 (16) | 110 (17) |
| 135 | chris661554 | 95 | 26:06 | 69 (21) | 88 (18) | 95 (21) | 102 (17) | 150 (18) |
| 136 | Edprof | 51 | 26:22 | 71 (12) | 77 (10) | 107 (14) | 104 (6) | 148 (9) |
| 137 | Jamie Fox | 83 | 26:33 | 66 (18) | 83 (15) | 98 (16) | 106 (18) | 147 (16) |
| 138 | Deezzaa | 93 | 26:46 | 73 (21) | 85 (18) | 99 (18) | 103 (18) | 142 (18) |
| 139 | Yatton50 | 78 | 26:47 | 78 (19) | 91 (13) | 101 (19) | 103 (17) | 141 (10) |
| 140 | Mike Harper | 105 | 27:04 | 73 (22) | 84 (21) | 91 (24) | 93 (18) | 161 (20) |
| 141 | td349 | 53 | 27:19 | 63 (11) | 92 (12) | 110 (12) | 88 (9) | 151 (9) |
| 142 | barracuda | 78 | 27:25 | 73 (15) | 85 (15) | 97 (16) | 102 (15) | 137 (17) |
| 143 | eniamretrauq | 61 | 27:52 | 74 (12) | 90 (14) | 94 (11) | 90 (14) | 163 (10) |
| 144 | Manveru | 101 | 28:06 | 76 (20) | 85 (22) | 95 (23) | 110 (19) | 139 (17) |
| 145 | Menelaus | 69 | 28:38 | 91 (15) | 95 (18) | 96 (17) | 111 (13) | 119 (6) |
| 146 | gbestanley | 105 | 28:39 | 86 (22) | 92 (23) | 96 (23) | 106 (19) | 123 (18) |
| 147 | RogerC | 58 | 28:46 | 73 (9) | 88 (15) | 99 (12) | 103 (14) | 146 (8) |
| 148 | Dr_Bob | 79 | 28:46 | 72 (17) | 90 (19) | 103 (17) | 109 (13) | 134 (13) |
| 149 | Grumpole | 48 | 29:23 | 87 (10) | 96 (6) | 96 (13) | 85 (11) | 143 (8) |
| 150 | nekabue | 99 | 29:23 | 78 (18) | 93 (19) | 89 (22) | 99 (23) | 144 (17) |
| 151 | richardCV22 | 71 | 29:31 | 78 (16) | 83 (14) | 111 (16) | 94 (16) | 154 (9) |
| 152 | vinyl12345 | 81 | 30:04 | 74 (20) | 89 (19) | 99 (17) | 118 (15) | 143 (10) |
| 153 | simjt | 66 | 31:06 | 76 (21) | 95 (16) | 109 (9) | 117 (12) | 134 (8) |
| 154 | alistair.boere | 51 | 32:09 | 73 (7) | 80 (11) | 95 (8) | 103 (14) | 134 (11) |
| 155 | BertieVII | 82 | 32:20 | 76 (20) | 91 (16) | 98 (17) | 101 (15) | 144 (14) |
| 156 | alexngbr | 55 | 33:01 | 76 (10) | 92 (10) | 100 (11) | 98 (11) | 124 (13) |
| 157 | intentional rounding | 68 | 33:38 | 66 (6) | 90 (19) | 90 (15) | 103 (17) | 141 (11) |
| 158 | Mudge | 55 | 33:41 | 70 (13) | 71 (13) | 90 (9) | 107 (9) | 171 (11) |
| 159 | kapietro | 57 | 33:44 | 86 (20) | 82 (7) | 108 (11) | 105 (11) | 130 (8) |
| 160 | The Real Steve Snackman | 105 | 33:47 | 70 (22) | 84 (19) | 97 (22) | 100 (20) | 144 (22) |
| 161 | Rookie | 54 | 34:23 | 76 (11) | 81 (6) | 99 (16) | 98 (12) | 143 (9) |
| 162 | Cryptique | 76 | 34:50 | 74 (11) | 82 (17) | 104 (17) | 90 (16) | 144 (15) |
| 163 | koro | 117 | 34:56 | 71 (24) | 92 (24) | 97 (25) | 99 (25) | 148 (19) |
| 164 | JoeyC | 49 | 35:14 | 55 (12) | 65 (8) | 58 (9) | 89 (9) | 216 (11) |
| 165 | Shushannah | 93 | 36:55 | 71 (21) | 95 (20) | 94 (15) | 103 (20) | 140 (17) |
| 166 | WordPlodder | 96 | 36:57 | 76 (20) | 91 (19) | 98 (23) | 89 (18) | 153 (16) |
| 167 | rv_1 | 76 | 37:05 | 67 (16) | 88 (16) | 94 (17) | 96 (14) | 164 (13) |
| 168 | starstruck | 90 | 37:08 | 73 (21) | 79 (19) | 91 (19) | 97 (11) | 157 (20) |
| 169 | E Bradford | 81 | 38:39 | 74 (18) | 93 (17) | 109 (18) | 105 (18) | 129 (10) |
| 170 | MalcolmD | 64 | 38:54 | 67 (15) | 94 (14) | 103 (14) | 123 (12) | 125 (9) |
| 171 | NAPASAI | 42 | 41:11 | 47 (10) | 55 (7) | 133 (8) | 146 (10) | 114 (7) |
| 172 | Steve Wood | 100 | 42:50 | 86 (21) | 86 (20) | 88 (19) | 88 (19) | 147 (21) |
| 173 | j.stanton734 | 55 | 44:19 | 54 (11) | 63 (11) | 66 (11) | 76 (10) | 225 (12) |