Author
Nikola Zivanovic is Serbian puzzler, triple sudoku and puzzle champion of his country. Three times he was finalist of World Sudoku Championship. He is a member of the bronze Serbian sudoku team from Zilina, Slovakia (2009). Nikola is also known as a composer of various logical and enigmatic riddles.
Puzzle Types
All Puzzles in this test are based on Chess, which is probably the most favorite game among all puzzle lovers.
- Arrows Chess
- Chess Battleships
- Chess Snake
- ChessDoku
- ChessSweeper
- Filomino Chess
- Hidden Words
- Hitori Chess
- Penta Chess
- Tapa Chess
2021 Monthly Tests
2020 Monthly Tests
2019 Monthly Tests
2018 Monthly Tests
2017 Monthly Tests
2016 Monthly Tests
2015 Monthly Tests
LMI Beginners' Sudoku Tests
LMI Beginners' Puzzle Tests
2014 Monthly Tests
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 |
| Instructions Booklet Download | View | 334kB | 7184 | |
| Puzzle Booklet Download | 349kB | 3943 | chessMESS |
Puzzles & Chess : LMI December Puzzle Test Results
| # | UserId | Name | Country | PointsWB | TotalPoints | Bonus | NumCorrect |
| 1 | uvo | Ulrich Voigt | Germany | 100 | 123 | 23 | 10/10 |
| 2 | motris | Thomas Snyder | United States | 100 | 111 | 11 | 10/10 |
| 3 | pwahs | Philipp Weiß | Germany | 100 | 100 | 0 | 10/10 |
| 4 | deu | Hideaki Jo | Japan | 95 | 95 | 0 | 9/9 |
| 5 | misko | Michael Ley | Germany | 95 | 95 | 0 | 9/9 |
| 6 | Psyho | abc | Poland | 93 | 93 | 0 | 9/10 |
| 7 | S_Aoki | Shinichi Aoki | Japan | 87 | 87 | 0 | 9/10 |
| 8 | flooser | Florian Kirch | Germany | 84 | 84 | 0 | 8/9 |
| 9 | Janka1 | Janka1 | Czech Republic | 81 | 81 | 0 | 8/8 |
| 10 | skywalker | Branko Ceranic | Serbia | 81 | 81 | 0 | 8/9 |
| 11 | euklid | Stefan Leopoldseder | Austria | 77 | 77 | 0 | 7/7 |
| 12 | martin | Martin Merker | Germany | 70 | 70 | 0 | 6/7 |
| 13 | Para | Bram de Laat | The Netherlands | 70 | 70 | 0 | 8/8 |
| 14 | yureklis | Serkan Yurekli | Turkey | 68 | 68 | 0 | 7/7 |
| 15 | righthand | righthand | China | 68 | 68 | 0 | 6/6 |
| 16 | Rubben | Ruben Gafencu | Romania | 68 | 68 | 0 | 7/8 |
| 17 | bskbri | Salih Alan | Turkey | 66 | 66 | 0 | 7/8 |
| 18 | tamz29 | Tawan Sunathvanichkul | Thailand | 65 | 65 | 0 | 7/8 |
| 19 | sakatan | Masashi Sakata | Japan | 64 | 64 | 0 | 7/7 |
| 20 | willwc | Will Blatt | United States | 64 | 64 | 0 | 7/9 |
| PuzzleId | Submissions | Correct | Ratings | AvgRatings | SolutionCode |
| Arrows Chess | 53 | 45 | 13 | 5.76 | |
| Chess Battleships | 57 | 44 | 12 | 7.83 | |
| Chess Snake | 45 | 32 | 12 | 6.41 | |
| ChessDoku | 48 | 45 | 14 | 6.35 | |
| ChessSweeper | 52 | 47 | 10 | 7.8 | |
| Filomino Chess | 45 | 36 | 10 | 7.9 | |
| Hidden Words | 40 | 36 | 11 | 6.36 | |
| Hitori Chess | 60 | 48 | 13 | 6.61 | |
| Penta Chess | 15 | 14 | 9 | 8.66 | |
| Tapa Chess | 25 | 20 | 10 | 8.5 | |
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