Author
Tom Collyer runs his blog
detuned radio, and publishes an original
Nikoli-style puzzle every Friday. Away from creating puzzles, he is
twice winner of the UK sudoku title, and has participated in three World
Sudoku Championships.
Puzzle Types
Main puzzles
- Akari
- Fillomino
- Hashi
- Heyawake
- Heyawake
- Kakuro
- LITS
- Masyu
- Masyu
- Numberlink
- Nurikabe (2)
- Slitherlink (2)
- Sudoku
- Surarumo
- Yajilin (2)
Marathon Puzzles
- Heyawake
- Masyu
- Kakuro
Notes
A new puzzle pdf was uploaded after we realized that Nurikabe 10X10 puzzle, Heyawake Marathon puzzle didn't have any solution. The Numberlinks puzzle had multiple solutions, while the LITS had a mistake in the image. Players who have started the test with old pdf are marked with '*'
2013 Monthly Tests
2012 Monthly Tests
Daily Puzzles
Tapa Variations Contests
Annual Contests
2011 Monthly Tests
2010 Monthly Tests
Mock Tests
| Description | Size | Download Count | Password |
| Instruction Booklet Download | View | 207kB | 1565 | |
| Puzzle Booklet Download | 199kB | 1392 | New_nIkOliiSbeST |
| Puzzle Booklet (Marathon) Download | 142kB | 1044 | nIkOliiSbeST |
Nikoli Selection : LMI October 2010 Puzzle Test#1 Results
| # | UserId | Name | Country | PointsWB | TotalPoints | A |
| 1 | deu | Hideaki Jo | Japan | 1095 | 1095 | * |
| 2 | motris | Thomas Snyder | USA | 1070 | 1070 | |
| 3 | volxa | | Japan | 1020 | 1020 | |
| 4 | Ziti | Jason Zuffranieri | USA | 1020 | 1020 | |
| 4 | uvo | Ulrich Voigt | Germany | 1020 | 1020 | |
| 6 | Melvy | Yuka SUGIMURA | Japan | 1020 | 1020 | |
| 7 | Semax | Sebastian Matschke | Germany | 920 | 920 | |
| 8 | flooser | Florian Kirch | Germany | 990 | 990 | |
| 9 | takeya | Takeya Saikachi | Japan | 980 | 980 | |
| 10 | a-hirose | ase mitsuhiro | japan | 975 | 975 | |
| 11 | Kota | Kota Morinishi | Japan | 920 | 920 | |
| 12 | Psyho | abc | Poland | 950 | 950 | * |
| 13 | pwahs | Philipp Weiß | Germany | 920 | 920 | |
| 14 | gareth | Gareth Moore | United Kingdom | 890 | 890 | |
| 15 | S_Aoki | Shinichi Aoki | Japan | 885 | 885 | |
| 16 | janoslaw | janoslaw | Poland | 855 | 855 | |
| 17 | Janka1 | Janka1 | Czech Republic | 840 | 840 | |
| 18 | Nikola | Nikola | Serbia | 825 | 825 | |
| 19 | skywalker | Branko Ceranic | Serbia | 820 | 820 | |
| 20 | Yuhei Kusui | Yuhei Kusui | Japan | 795 | 795 | |
| PuzzleId | Submissions | Correct | Ratings | AvgRatings | SolutionCode |
| M2 - Kakuro | 11 | 10 | 5 | 8.4 | |
| M3 - Masyu | 7 | 7 | 5 | 8.8 | |
| P01 - Numberlink | 44 | 16 | 11 | 4 | |
| P02 - Hashi | 131 | 117 | 14 | 5.42 | |
| P03 - Sudoku | 122 | 119 | 12 | 6.75 | |
| P04 - Surarumo | 83 | 76 | 10 | 6.5 | |
| P05 - Akari | 97 | 88 | 10 | 6.9 | |
| P06 - Masyu | 114 | 98 | 12 | 5.91 | |
| P07 - Fillomino | 97 | 87 | 9 | 6.33 | |
| P08 - Hitori | 114 | 98 | 11 | 5.72 | |
| P09 - Slitherlink | 112 | 102 | 10 | 6.7 | |
| P10 - Shikaku | 85 | 81 | 8 | 6.87 | |
| P11 - Yajilin | 79 | 71 | 9 | 6.33 | |
| P13 - Kakuro | 88 | 82 | 10 | 6.7 | |
| P14 - Yajilin | 77 | 72 | 8 | 7.25 | |
| P15 - Heyawake | 50 | 40 | 6 | 7.66 | |
| P16 - LITS | 44 | 31 | 7 | 5.71 | |
| P17 - Nurikabe | 70 | 58 | 8 | 8.25 | |
| P18 - Slitherlink | 79 | 63 | 7 | 8.14 | |