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 | 10068 | 05:59 | 92 (8) | 100 (7) | 103 (7) | 103 (8) | 101 (8) |
| 2 | Magoo | 26302 | 06:26 | 78 (11) | 110 (15) | 105 (18) | 93 (17) | 105 (17) |
| 3 | Eamon Ryan | 50891 | 06:50 | 86 (27) | 99 (27) | 99 (26) | 106 (27) | 109 (27) |
| 4 | Jason | 53666 | 07:38 | 83 (27) | 94 (25) | 100 (23) | 104 (25) | 116 (27) |
| 5 | verlaine | 46697 | 08:33 | 85 (24) | 97 (24) | 96 (20) | 113 (22) | 116 (11) |
| 6 | mistigris | 51490 | 09:02 | 86 (22) | 100 (22) | 85 (18) | 109 (21) | 114 (22) |
| 7 | aphis99 | 68123 | 09:18 | 81 (26) | 101 (27) | 98 (26) | 105 (27) | 112 (26) |
| 8 | Midas | 69969 | 09:33 | 88 (27) | 102 (27) | 100 (26) | 103 (27) | 104 (25) |
| 9 | AlanS | 74295 | 10:29 | 90 (26) | 101 (26) | 89 (25) | 96 (26) | 121 (25) |
| 10 | richard | 38203 | 10:58 | 85 (14) | 101 (14) | 85 (12) | 120 (17) | 98 (11) |
| 11 | chindit | 68138 | 11:21 | 81 (23) | 103 (24) | 100 (19) | 104 (22) | 111 (22) |
| 12 | lickert | 65805 | 11:25 | 90 (21) | 106 (20) | 91 (20) | 99 (21) | 110 (24) |
| 13 | asaldanha | 73195 | 12:04 | 87 (23) | 106 (22) | 89 (19) | 105 (23) | 108 (24) |
| 14 | chriswords | 76936 | 12:05 | 92 (25) | 108 (22) | 94 (24) | 97 (22) | 108 (23) |
| 15 | trux | 36974 | 12:19 | 81 (15) | 99 (15) | 101 (12) | 119 (9) | 115 (9) |
| 16 | glheard | 67739 | 12:41 | 87 (21) | 102 (18) | 99 (18) | 104 (23) | 106 (19) |
| 17 | Spur58 | 58505 | 12:49 | 91 (16) | 104 (17) | 99 (18) | 103 (20) | 100 (15) |
| 18 | Derek Harrison | 66626 | 12:54 | 92 (14) | 100 (21) | 94 (21) | 98 (22) | 113 (18) |
| 19 | Topical Tim | 89178 | 13:16 | 84 (25) | 109 (26) | 96 (22) | 110 (24) | 98 (25) |
| 20 | Tom Stubbs | 93679 | 13:27 | 81 (26) | 103 (24) | 102 (24) | 105 (26) | 107 (26) |
| 21 | Stavros | 73174 | 14:10 | 81 (20) | 98 (20) | 89 (16) | 116 (21) | 112 (19) |
| 22 | Ben Staveley | 48147 | 14:35 | 88 (9) | 100 (16) | 103 (14) | 88 (15) | 120 (11) |
| 23 | neilr | 102008 | 14:39 | 85 (27) | 98 (25) | 100 (23) | 101 (25) | 115 (26) |
| 24 | Ron's mum | 60721 | 14:40 | 97 (21) | 109 (16) | 99 (17) | 56 (12) | 131 (13) |
| 25 | p.wild | 109261 | 14:55 | 92 (27) | 103 (27) | 93 (26) | 106 (27) | 104 (25) |
| 26 | noidea | 78233 | 14:59 | 89 (20) | 109 (20) | 101 (19) | 97 (19) | 102 (19) |
| 27 | Silva | 100160 | 15:02 | 82 (27) | 104 (27) | 100 (22) | 102 (23) | 112 (22) |
| 28 | fshephe | 110733 | 15:07 | 90 (26) | 100 (27) | 103 (25) | 99 (27) | 105 (27) |
| 29 | mikegrocott | 55726 | 15:13 | 96 (17) | 95 (11) | 99 (17) | 103 (11) | 105 (15) |
| 30 | keriothe_ | 86639 | 15:21 | 75 (19) | 101 (22) | 102 (20) | 106 (21) | 111 (22) |
| 31 | jimpen | 93757 | 15:28 | 84 (23) | 101 (23) | 98 (23) | 103 (22) | 113 (20) |
| 32 | cyrillic | 85056 | 15:45 | 89 (19) | 95 (21) | 100 (22) | 103 (20) | 111 (18) |
| 33 | Sheapey | 100339 | 15:46 | 77 (22) | 96 (24) | 101 (22) | 104 (25) | 118 (23) |
| 34 | SimonAnthony | 92500 | 16:03 | 76 (23) | 97 (23) | 106 (21) | 119 (21) | 102 (18) |
| 35 | PGooden | 93892 | 16:07 | 82 (25) | 99 (24) | 105 (20) | 93 (20) | 127 (18) |
| 36 | Tibthorpe | 113273 | 16:08 | 74 (27) | 104 (26) | 101 (26) | 114 (26) | 107 (22) |
| 37 | Jon88 | 118311 | 16:09 | 84 (26) | 104 (27) | 102 (26) | 101 (27) | 106 (26) |
| 38 | xyster | 61242 | 16:12 | 83 (15) | 90 (18) | 107 (13) | 108 (15) | 118 (12) |
| 39 | Groucho | 96213 | 17:03 | 86 (27) | 114 (21) | 97 (20) | 107 (18) | 99 (18) |
| 40 | Spanna | 50198 | 17:04 | 96 (19) | 108 (9) | 102 (12) | 94 (11) | 104 (8) |
| 41 | Malcj | 116737 | 17:04 | 80 (24) | 101 (26) | 100 (24) | 100 (24) | 115 (26) |
| 42 | sotira | 102051 | 17:43 | 88 (24) | 100 (21) | 100 (20) | 104 (19) | 107 (22) |
| 43 | phthisis | 56987 | 17:55 | 84 (15) | 98 (15) | 105 (13) | 107 (10) | 112 (10) |
| 44 | Sue Sweeper | 75252 | 17:55 | 85 (14) | 101 (16) | 105 (13) | 98 (20) | 108 (17) |
| 45 | robinh | 126654 | 18:21 | 86 (25) | 95 (25) | 100 (24) | 100 (25) | 116 (26) |
| 46 | David Crooks | 111649 | 18:47 | 83 (25) | 111 (23) | 96 (22) | 107 (18) | 104 (21) |
| 47 | OliviaRhineb | 133973 | 18:55 | 81 (27) | 101 (26) | 98 (26) | 106 (27) | 115 (22) |
| 48 | MikeOsborne | 113314 | 19:04 | 82 (23) | 106 (23) | 104 (20) | 99 (22) | 108 (21) |
| 49 | GMcD | 141761 | 19:12 | 82 (27) | 97 (27) | 93 (25) | 112 (27) | 113 (27) |
| 50 | JezWoolfrey | 97271 | 19:46 | 78 (16) | 88 (15) | 102 (20) | 105 (17) | 114 (24) |
| 51 | David P | 55204 | 20:00 | 86 (10) | 97 (10) | 112 (11) | 95 (12) | 105 (13) |
| 52 | Squallaby | 112565 | 20:36 | 78 (23) | 103 (23) | 98 (18) | 112 (22) | 112 (15) |
| 53 | Ed freshpot | 112639 | 20:51 | 89 (22) | 99 (21) | 105 (21) | 92 (16) | 111 (20) |
| 54 | sampson | 89754 | 21:04 | 90 (19) | 104 (21) | 103 (15) | 98 (18) | 107 (8) |
| 55 | annelambirth | 97436 | 21:05 | 90 (21) | 104 (17) | 101 (16) | 92 (20) | 120 (13) |
| 56 | John Arnold | 89813 | 21:23 | 93 (23) | 100 (13) | 103 (14) | 85 (14) | 118 (16) |
| 57 | barracuda | 156265 | 21:31 | 85 (27) | 104 (27) | 97 (26) | 102 (24) | 110 (27) |
| 58 | mcjwright | 139842 | 22:24 | 81 (23) | 101 (24) | 95 (21) | 100 (23) | 120 (23) |
| 59 | gbestanley | 112489 | 22:35 | 90 (22) | 103 (11) | 101 (21) | 94 (20) | 113 (19) |
| 60 | Zabadak | 166168 | 22:42 | 85 (27) | 102 (27) | 97 (26) | 106 (26) | 109 (26) |
| 61 | LouWeed | 169245 | 22:55 | 89 (27) | 102 (27) | 93 (26) | 106 (26) | 108 (27) |
| 62 | benedick | 96970 | 23:05 | 85 (17) | 110 (18) | 92 (17) | 102 (15) | 110 (13) |
| 63 | Kevin Gregg | 133141 | 23:06 | 88 (21) | 114 (22) | 97 (20) | 91 (23) | 108 (20) |
| 64 | Craven | 162606 | 23:09 | 83 (25) | 101 (26) | 99 (25) | 105 (25) | 109 (26) |
| 65 | pterodactyl | 112957 | 23:14 | 81 (18) | 106 (16) | 106 (22) | 95 (15) | 107 (20) |
| 66 | RobR | 92529 | 23:21 | 84 (17) | 99 (16) | 93 (12) | 123 (15) | 98 (16) |
| 67 | Looch | 104856 | 23:36 | 81 (18) | 106 (19) | 101 (16) | 101 (14) | 109 (17) |
| 68 | poskir | 128873 | 23:36 | 98 (21) | 96 (18) | 106 (23) | 97 (19) | 98 (20) |
| 69 | crosswordian | 89565 | 24:28 | 83 (14) | 97 (14) | 101 (17) | 103 (12) | 114 (14) |
| 70 | rjcassidy | 141083 | 24:29 | 86 (24) | 114 (24) | 92 (21) | 98 (20) | 110 (17) |
| 71 | diogenes | 117367 | 25:04 | 86 (21) | 107 (16) | 103 (18) | 98 (19) | 109 (14) |
| 72 | Solver52 | 183989 | 25:08 | 90 (26) | 105 (27) | 103 (25) | 97 (27) | 102 (27) |
| 73 | zythum | 102428 | 25:51 | 87 (17) | 112 (16) | 93 (13) | 101 (16) | 105 (14) |
| 74 | colin2355 | 155346 | 25:53 | 87 (20) | 101 (24) | 86 (22) | 118 (23) | 104 (21) |
| 75 | Edprof | 131100 | 26:00 | 80 (18) | 104 (19) | 103 (22) | 98 (21) | 116 (14) |
| 76 | struggler | 190947 | 27:12 | 91 (25) | 105 (25) | 101 (25) | 102 (26) | 99 (26) |
| 77 | phmfantom | 182042 | 27:20 | 84 (25) | 107 (23) | 93 (23) | 109 (24) | 105 (26) |
| 78 | Mkgnao | 109799 | 27:43 | 85 (17) | 95 (14) | 97 (14) | 100 (16) | 122 (15) |
| 79 | Chadwick | 123698 | 27:51 | 87 (14) | 106 (15) | 102 (19) | 96 (17) | 104 (19) |
| 80 | dont_panic | 157102 | 27:51 | 75 (22) | 103 (24) | 107 (21) | 97 (19) | 118 (18) |
| 81 | Manveru | 98584 | 29:20 | 80 (15) | 106 (11) | 102 (16) | 100 (12) | 115 (12) |
| 82 | dec | 120653 | 30:00 | 85 (18) | 103 (17) | 103 (15) | 105 (16) | 105 (11) |
| 83 | iagmathewson | 165993 | 30:04 | 88 (23) | 99 (23) | 102 (20) | 96 (17) | 114 (19) |
| 84 | William M | 131901 | 30:06 | 75 (13) | 104 (20) | 95 (16) | 113 (13) | 106 (21) |
| 85 | branch | 163691 | 32:05 | 79 (20) | 110 (18) | 96 (17) | 113 (19) | 100 (21) |
| 86 | NAPASAI | 140228 | 32:27 | 87 (17) | 102 (14) | 98 (19) | 112 (15) | 100 (17) |
| 87 | nekabue | 207604 | 32:38 | 84 (25) | 100 (25) | 98 (21) | 99 (20) | 116 (25) |
| 88 | koro | 237213 | 33:13 | 87 (27) | 101 (25) | 100 (25) | 101 (26) | 109 (26) |
| 89 | fudgiebates | 111841 | 33:17 | 76 (14) | 95 (13) | 87 (10) | 108 (12) | 123 (17) |
| 90 | FelicityTT | 145381 | 34:36 | 91 (13) | 102 (19) | 97 (16) | 90 (11) | 109 (21) |
| 91 | cassandra | 260544 | 35:01 | 93 (27) | 101 (27) | 104 (26) | 101 (27) | 100 (27) |
| 92 | rosselliot | 188912 | 35:46 | 82 (20) | 106 (20) | 110 (17) | 100 (19) | 101 (22) |
| 93 | Glyndwr | 208289 | 36:32 | 87 (24) | 111 (19) | 93 (22) | 99 (22) | 113 (18) |
| 94 | ulaca | 165012 | 36:40 | 84 (18) | 114 (18) | 89 (18) | 94 (15) | 117 (16) |
| 95 | JohnDun | 236998 | 36:54 | 72 (25) | 112 (24) | 95 (23) | 103 (22) | 117 (23) |
| 96 | Tudds | 271952 | 38:05 | 86 (26) | 96 (27) | 87 (23) | 121 (26) | 106 (27) |
| 97 | eniamretrauq | 177477 | 38:55 | 84 (15) | 104 (16) | 93 (18) | 100 (17) | 112 (20) |
| 98 | Big Nug | 273251 | 39:15 | 84 (26) | 102 (25) | 87 (25) | 125 (26) | 99 (24) |
| 99 | Jeeves | 123313 | 39:31 | 82 (10) | 102 (15) | 100 (14) | 111 (11) | 100 (12) |
| 100 | 1234 | 255113 | 39:44 | 85 (25) | 103 (24) | 98 (21) | 97 (24) | 114 (23) |
| 101 | Crippens1 | 237951 | 40:03 | 80 (25) | 105 (24) | 102 (20) | 106 (19) | 109 (21) |
| 102 | empty | 299509 | 40:35 | 90 (27) | 105 (26) | 99 (26) | 100 (27) | 104 (27) |
| 103 | Jefe | 143194 | 45:53 | 87 (13) | 98 (14) | 89 (13) | 120 (8) | 111 (14) |
| 104 | JerryR | 328299 | 51:37 | 76 (23) | 105 (23) | 96 (23) | 107 (24) | 113 (23) |