France Open 2026 - Sudoku R1 (13thth - 17thth June) starts in 23 hours 31 minutes •Discuss
France Open 2026 - Sudoku R2 (13thth - 17thth June) starts in 25 hours 11 minutes •Discuss
France Open 2026 - Puzzle R1 (13thth - 17thth June) starts in 27 hours 31 minutes •Discuss
France Open 2026 - Puzzle R2 (13thth - 17thth June) starts in 29 hours 21 minutes •Discuss
World Sudoku & Puzzle Championship 2026

Shoma Takahama

Player Profile : siumai
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Real name Shoma Takahama
Puzzle Blog
Country Japan
Date registered2021-02-04 9:13 AM
Last logon2025-02-27 8:00 PM
Total posts0 
Rank
LMI RatingsCurrent RankCurrent RatingsBest RankBest RatingsRatings History
LMI Puzzle Ratings 434 195.5103 225 456.5113 History

Puzzle Testsiumai's Ranksiumai's ScoreTest Max ScorePSRSNSW
2025R2 (Loop & OP) 181 35.1 124.25 462 454 460 0.6
2022R2 (Casual & Word) 185 24.4 109.25 350 325 344
2022R1 (Classics) 164 76.6 143.133 548 556 550
PANFOPCWHTTAPA 2 265 86.8 148.717 415 388 408
Regions (PR 2021) 177 31 149.3 317 237 297
Loops (PR 2021) 114 50.3 159.9 529 576 541
Sudoku Testsiumai's Ranksiumai's ScoreTest Max ScorePSRSNSW
2022R1 (Standard & Neighbours) 323 19 138.383 232 162 214
Standard (SM 2021) 291 35 153.25 273 196 254

PS = Prorated Score (Score based on players's score, median score and top score in the test)
RS = Rank Score (Score based on player's rank in the test)
NS = Normalized Score (.75 * PS + .25 * RS)
W = Weight of the test
Click here for detailed logic of LMI Player Rating System v2.0