Logic Masters India (commonly abbreviated as 'LMI') is the Indian representative of the World Puzzle Federation (WPF) which is responsible for conducting national sudoku championships since 2008 to select the Indian team for the world championships. It also aims in organizing various sudoku and puzzle activities in India.[1]

There are three main contest types: Sudoku Mahabharat, Puzzle Ramayan and Daily Puzzle Test.

Logo of Logic Masters India
Logic Masters India

Sudoku Mahabharat & Puzzle Ramayan

Each year, the Sudoku Mahabharat (SM) championship consists of 4 online rounds while the Puzzle Ramayan (PR) consists of 6 (approximately one every 2-3 weeks), based on different categories and themes of Sudoku variants (Puzzle types). The online rounds are open to all participants including international solvers.

There are 3-4 spots for the Indian A team for the World Sudoku Championship (WSC) and World Puzzle Championship (WPC), which will be decided during the offline finals of the tournaments.

Each Sudoku Mahabharat round consists of six Standard Sudokus (two 6X6, four 9X9) and six Sudoku Variants (each variant will appear in both sizes, i. e. 6X6 and 9X9).[2]

Each Puzzle Ramayan round consists of three puzzles each in 6 puzzle types within the theme (in double theme rounds, three puzzles each in 3 puzzle types within each theme) and two exploratory variant puzzles in two types within the original theme (in double theme rounds, 2 variant puzzles in one type within each theme).[3]

Participants will get points as allotted for each sudoku correctly submitted. The test uses instant grading where the solver can confirm if the solution is correct immediately after submitting. Each incorrect submission reduces the puzzle's potential score. The first, second, third, and fourth incorrect submissions reduce the potential score to 90%, 70%, 40%, and 0% respectively.[4]

Logo of ISC and SM
Indian Sudoku Championship (ISC) and Sudoku Mahabharat (SM)
Logo of IPC and PR
Indian Puzzle Championship (IPC) and Puzzle Ramayan (PR)

Sudoku Mahabharat 2022

Round Author Dates[5] India 1 India 2 India 3
Standard & Neighbours R. Kumaresan 25 Feb-02 Mar 2022 Rohan Rao James Peter Nityant Agarwal
Odd Even & Hybrids Madhav S. & Arun I. 01 - 06 Apr 2022 Kishore Kumar Manjiri James Peter
Converse & Outside Harmeet S. & Dhruvarajsinh P. 22 - 27 Apr 2022 Kishore Kumar James Peter Jaipal Reddy
Math & Irregular Nityant A. & James P. 27 May - 01 Jun 2022 Rohan Rao Kishore Kumar Ashish Kumar
penalty example
A demonstration of the penalty system

[6]

Sudoku Mahabharat 2023

Round Author Dates[7] India 1 India 2 India 3
Standard & Odd Even R. Kumaresan, Hemant Malani, Arun Iyer 20-26 Jan 2023 James Peter Rohan Rao Ashish Kumar
Outside & Hybrids Nityant Agarwal, Akash Doulani, Puwar Dhruvarajsinh 10-16 Feb 2023 Rohan Rao Kishore Kumar Ashish Kumar
Math & Irregular James Peter, Madhav Sankaranarayanan, Priyam Bhushan 03-09 Mar 2023 Rohan Rao Kishore Kumar Nityant Agarwal
Neighbours & Converse Ashish Kumar, Kishore Sridharan, Pranav Kamesh S 24-30 Mar 2023 James Peter Manjiri Harsh Poddar

[2]

Puzzle Ramayan 2022

RoundAuthorDates[5]India 1India 2India 3
ClassicsPrasanna Seshadri11 - 16 Feb 2022Swaroop GuggilamAshish KumarRajesh Kumar
Casual & WordAmit Sowani18 - 23 Mar 2022Rakesh RaiRohan RaoSwaroop Guggilam
Regions & EvergreensAshish Kumar8 - 13 Apr 2022Swaroop GuggilamKishore KumarRakesh Rai
Number Placement & Puzz.linkNityant Agarwal06 - 11 May 2022Ashish KumarRohan RaoSwaroop Guggilam
Loops & ShadingMadhav Sankaranarayanan03 - 08 Jun 2022Rohan RaoAshish KumarNityant Agarwal
MII & Object PlacementPriyam Bhushan & Chandrachud Nanduri17 - 22 Jun 2022Rohan RaoAshish KumarNityant Agarwal

[8]

Puzzle Ramayan 2023

RoundAuthorDates[7]India 1India 2India 3
ClassicsPrasanna Seshadri13-19 Jan 2023
Evergreens & Rule PoolChandrachud Nanduri03-09 Feb 2023
Shading & Made In IndiaAshish Kumar & Pranav Kamesh S24 Feb – 02 Mar 2023
Object Placement & Number PlacementPriyam Bhushan17-23 Mar 2023
Casual & WordMadhav Sankaranarayanan07-13 Apr 2023
Regions & LoopsNityant Agarwal21-27 Apr 2023

[3]

Daily Puzzle Test

This contest type is online only and consists of 16 puzzles of the same type. Every puzzle will be live for 30 hours. Cumulative points from each day's solving will determine the final scores.[9]

See also

References

  1. ↑ "About Logic Masters India". Logic Masters India. Retrieved 28 January 2022.
  2. 1 2 "Sudoku Mahabharat 2023 at Logic Masters India". logicmastersindia.com. Retrieved 2023-01-30.
  3. 1 2 "Puzzle Ramayan 2023 at Logic Masters India". logicmastersindia.com. Retrieved 2023-01-30.
  4. ↑ "SM 2023 R1 - Standard & Odd Even - Instruction Booklet". Logic Masters India. Retrieved 31 January 2023.
  5. 1 2 All rounds will start some time on Friday and will be open till Wednesdays; All times in Indian Standard Time (GMT+05:30)
  6. ↑ "Sudoku Mahabharat 2022 at Logic Masters India". logicmastersindia.com. Retrieved 2023-01-30.
  7. 1 2 All rounds will start some time on Friday and will be open till Thursdays; All times in Indian Standard Time (GMT+05:30)
  8. ↑ "Puzzle Ramayan 2022 at Logic Masters India". logicmastersindia.com. Retrieved 2023-01-30.
  9. ↑ "Nurimisaki Nomad (17th Sep to 7th Oct)". logicmastersindia.com. Retrieved 2023-01-31.
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