World Sudoku & Puzzle Championship 2026

Matthew Hambacher

Player Profile : Cozy
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Real name Matthew Hambacher
Puzzle Blog
Country United States
Date registered2026-01-12 8:26 PM
Last logon2026-05-21 10:48 PM
Total posts0 
Rank
LMI RatingsCurrent RankCurrent RatingsBest RankBest RatingsRatings History
LMI Puzzle Ratings 191 501.0483 146 574.3683 History
LMI Sudoku Ratings 95 674.884 95 674.884 History

Puzzle TestCozy's RankCozy's ScoreTest Max ScorePSRSNSW
2026R4 (Shading & Loops) 190 18.3 132.8 256 269 259 1
2026R3 (OP & Regions) 140 47 125.3 512 519 514 1
2026R2 (MII & Number Placement) 80 77.6 132.8 654 727 672 1
2026R1 (Classics) 150 53 132.033 556 622 573 0.8
Sudoku TestCozy's RankCozy's ScoreTest Max ScorePSRSNSW
2026R4 (Irregular & Converse) 83 69 140.35 612 735 643 1
2026R3 (OE & Hybrids) 66 74 140.35 648 818 691 1
2026R2 (Math & Outside) 109 73.9 141.283 664 761 688 1
2026R1 (Standard & Neighbours) 99 63 138.433 641 790 679 0.8

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