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Logic Masters India

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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

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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 2024

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Round Author Dates[5] India 1 India 2 India 3
Standard & Irregular R. Kumaresan, Hemant Malani 09-15 Feb 2024 Akash Doulani Shilpa Nukala Kishore Kumar
Odd Even & Hybrids Akash Doulani, Arun Iyer, Pranav Kamesh S 08-14 Mar 2024 Kishore Kumar Nityant Agarwal Harsh Poddar
Math & Neighbours James Peter, Madhav Sankaranarayanan, Puwar Dhruvarajsih 05-11 Apr 2024 Nityant Agarwal Ashish Kumar Manjiri
Outside & Converse Nityant Agarwal, Priyam Bhushan, Jeet Sampat 17-23 May 2024 Kishore Kumar Akash Doulani Harsh Poddar

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Sudoku Mahabharat 2023

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Round Author Dates[5] 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

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Sudoku Mahabharat 2022

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Round Author Dates[7] 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

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Puzzle Ramayan 2024

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Round Author Dates[5] India 1 India 2 India 3
Classics Prasanna Seshadri 19-25 Jan 2024 Ashish Kumar Nityant Agarwal Swaroop Guggilam
Loops & Numbers Ashish Kumar 23-29 Feb 2024 Kishore Kumar Harmeet Singh Amit Sowani
Evergreens & Made In India Madhav Sankaranarayanan 29 Mar – 04 Apr 2024 Swaroop Guggilam Nityant Agarwal Kishore Kumar
Word & Object Placement Chandrachud Nanduri & Prasanna Seshadri 26 Apr - 02 May 2024 Ashish Kumar Rakesh Rai Tigran Wadia
Shading & Regions Priyam Bhushan & Prasanna Seshadri 03-09 May 2024 Ashish Kumar Nityant Agarwal Kishore Kumar
Snake & Casual Nityant Agarwal & Prasanna Seshadri 07-13 Jun 2024 Ashish Kumar Rakesh Rai Amit Sowani

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Puzzle Ramayan 2023

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Round Author Dates[5] India 1 India 2 India 3
Classics Prasanna Seshadri 13-19 Jan 2023 Ashish Kumar Rohan Rao Rajesh Kumar
Evergreens & Rule Pool Chandrachud Nanduri 03-09 Feb 2023 Rohan Rao Ashish Kumar Amit Sowani
Shading & Made In India Ashish Kumar & Pranav Kamesh S 24 Feb – 02 Mar 2023 Rohan Rao Amit Sowani Nityant Agarwal
Object Placement & Number Placement Priyam Bhushan 17-23 Mar 2023 Ashish Kumar Swaroop Guggilam Kishore Kumar
Casual & Word Madhav Sankaranarayanan 07-13 Apr 2023 Swaroop Guggilam Ashish Kumar Rakesh Rai
Regions & Loops Nityant Agarwal 21-27 Apr 2023 Ashish Kumar Swaroop Guggilam Rajesh Kumar

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Puzzle Ramayan 2022

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Round Author Dates[7] India 1 India 2 India 3
Classics Prasanna Seshadri 11 - 16 Feb 2022 Swaroop Guggilam Ashish Kumar Rajesh Kumar
Casual & Word Amit Sowani 18 - 23 Mar 2022 Rakesh Rai Rohan Rao Swaroop Guggilam
Regions & Evergreens Ashish Kumar 8 - 13 Apr 2022 Swaroop Guggilam Kishore Kumar Rakesh Rai
Number Placement & Puzz.link Nityant Agarwal 06 - 11 May 2022 Ashish Kumar Rohan Rao Swaroop Guggilam
Loops & Shading Madhav Sankaranarayanan 03 - 08 Jun 2022 Rohan Rao Ashish Kumar Nityant Agarwal
MII & Object Placement Priyam Bhushan & Chandrachud Nanduri 17 - 22 Jun 2022 Rohan Rao Ashish Kumar Nityant Agarwal

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Daily Puzzle Test

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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.[10]

See also

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References

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  1. ^ "About Logic Masters India". Logic Masters India. Retrieved 28 January 2022.
  2. ^ a b "Sudoku Mahabharat 2023 at Logic Masters India". logicmastersindia.com. Retrieved 2023-01-30.
  3. ^ a b c "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. ^ a b c d All rounds will start some time on Friday and will be open till Thursdays; All times in Indian Standard Time (GMT+05:30)
  6. ^ Cite error: The named reference sm2024 was invoked but never defined (see the help page).
  7. ^ a b All rounds will start some time on Friday and will be open till Wednesdays; All times in Indian Standard Time (GMT+05:30)
  8. ^ "Sudoku Mahabharat 2022 at Logic Masters India". logicmastersindia.com. Retrieved 2023-01-30.
  9. ^ "Puzzle Ramayan 2022 at Logic Masters India". logicmastersindia.com. Retrieved 2023-01-30.
  10. ^ "Nurimisaki Nomad (17th Sep to 7th Oct)". logicmastersindia.com. Retrieved 2023-01-31.