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{{Short description|Indian representative of the World Puzzle Federation}}
'''Logic Masters India''' (commonly abbreviated as 'LMI') is the [[India|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 to organize various sudoku and [[puzzle]] activities in India.<ref>{{Cite web |title=About Logic Masters India |url=https://logicmastersindia.com/?g=abtus |access-date=28 January 2022 |website=Logic Masters India}}</ref>

There are three main contest types: '''Sudoku Mahabharat''', '''Puzzle Ramayan''' and '''Daily Puzzle Test.'''
[[File:Logo of Logic Masters India.png|thumb|right|alt=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).<ref name="sm2023">{{Cite web |title=Sudoku Mahabharat 2023 at Logic Masters India |url=https://logicmastersindia.com/SM/2023sm.asp |access-date=2023-01-30 |website=logicmastersindia.com}}</ref>

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).<ref name=":0">{{Cite web |title=Puzzle Ramayan 2023 at Logic Masters India |url=https://logicmastersindia.com/PR/2023pr.asp |access-date=2023-01-30 |website=logicmastersindia.com}}</ref>

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.<ref>{{Cite web |title=SM 2023 R1 - Standard & Odd Even - Instruction Booklet |url=https://logicmastersindia.com/lmitests/dl.asp?attachmentid=1087 |access-date=31 January 2023 |website=Logic Masters India}}</ref>

[[File:ISCSM.png|thumb|right|alt=Logo of ISC and SM|Indian Sudoku Championship (ISC) and Sudoku Mahabharat (SM)]]

[[File:IPCPR.png|thumb|right|alt=Logo of IPC and PR|Indian Puzzle Championship (IPC) and Puzzle Ramayan (PR)]]

=== Sudoku Mahabharat 2024 ===
{| class="wikitable"
|+
!Round
!Author
!Dates<ref name=":2">All rounds will start some time on Friday and will be open till Thursdays; All times in [[Indian Standard Time]] ([[Greenwich Mean Time|GMT]]+05:30)</ref>
!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
|}
<ref name="sm2024" />

=== Sudoku Mahabharat 2023 ===
{| class="wikitable"
|+
!Round
!Author
!Dates<ref name=":2">All rounds will start some time on Friday and will be open till Thursdays; All times in [[Indian Standard Time]] ([[Greenwich Mean Time|GMT]]+05:30)</ref>
!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
|}
<ref name="sm2023" />

=== Sudoku Mahabharat 2022 ===
{| class="wikitable"
|+
!Round
!Author
!Dates<ref name=":1">All rounds will start some time on Friday and will be open till Wednesdays; All times in [[Indian Standard Time]] ([[Greenwich Mean Time|GMT]]+05:30)</ref>
!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
|}
[[File:Penalty example.png|alt=penalty example|thumb|A demonstration of the penalty system]]
<ref>{{Cite web |title=Sudoku Mahabharat 2022 at Logic Masters India |url=https://logicmastersindia.com/SM/2022sm.asp |access-date=2023-01-30 |website=logicmastersindia.com}}</ref>

=== Puzzle Ramayan 2024 ===
{| class="wikitable"
! Round !! Author !! Dates<ref name=":2" />!! 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
|}
<ref name=":0" />

=== Puzzle Ramayan 2023 ===
{| class="wikitable"
! Round !! Author !! Dates<ref name=":2" />!! 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
|}
<ref name=":0" />

=== Puzzle Ramayan 2022 ===
{| class="wikitable"
! Round !! Author !! Dates<ref name=":1" />!! 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
|}
<ref>{{Cite web |title=Puzzle Ramayan 2022 at Logic Masters India |url=https://logicmastersindia.com/PR/2022pr.asp |access-date=2023-01-30 |website=logicmastersindia.com}}</ref>

== 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.<ref>{{Cite web |title=Nurimisaki Nomad (17th Sep to 7th Oct) |url=https://logicmastersindia.com/daily/?contest=D202209N#about |access-date=2023-01-31 |website=logicmastersindia.com}}</ref>

== See also ==
*[[Sudoku]]
*[[Puzzle]]
*[[World Sudoku Championship]]
*[[World Puzzle Championship]]

== External links ==
*[https://logicmastersindia.com Official website]

== References ==
{{reflist}}

[[Category:Sudoku competitions]]

Logic Masters India - Revision history

Vikipft: creating new pg - done