World Sudoku & Puzzle Championship 2026
ISC & SM and IPC & PR 2026

Filip Brecher

Player Profile : AlfoFish
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Real name Filip Brecher
Puzzle Blog
Country Czech Republic
Date registered2020-11-23 3:27 PM
Last logon2026-09-07 4:06 AM
Total posts1 
Rank
LMI RatingsCurrent RankCurrent RatingsBest RankBest RatingsRatings History
LMI Puzzle Ratings 66 726.02 66 726.02 History
LMI Sudoku Ratings 255 482.7955 205 540.0741 History

Sudoku Ratings HistoryRatingsRank
2026R4 (Irregular & Converse) 482.7955 255
2026R3 (OE & Hybrids) 491.9237 261
2026R2 (Math & Outside) 514.318 241
2026R1 (Standard & Neighbours) 528.947 226
2025R4 (Outside & Hybrids) 540.0741 205
2025R3 (Odd Even & Irregular) 463.8225 286
2025R2 (Math & Neighbours) 316.4658 452
Puzzle TestAlfoFish's RankAlfoFish's ScoreTest Max ScorePSRSNSW
2026R4 (Shading & Loops) 41 78.8 132.8 722 847 753 1
2026R3 (OP & Regions) 66 69.7 125.3 654 775 684 1
2026R2 (MII & Number Placement) 32 105.667 132.8 830 893 846 1
2026R1 (Classics) 57 83 132.033 725 858 758 0.8
2025R5 (Word & Casual) 71 72.7 119.8 664 764 689 0.8
April Contest 2025 54 21 0
2025R4 (Shading & Regions) 52 106.667 137.1 781 826 792 0.7
2025R3 (Numbers & MII) 91 53.2 123.417 574 693 604 0.7
2025R2 (Loop & OP) 126 47.8 124.25 557 614 571 0.6
Sudoku TestAlfoFish's RankAlfoFish's ScoreTest Max ScorePSRSNSW
2025R4 (Outside & Hybrids) 134 47.7 140.533 537 598 552 0.8
2025R3 (Odd Even & Irregular) 151 72 155.533 558 596 568 0.7
2025R2 (Math & Neighbours) 181 54.7 149.7 524 565 534 0.7

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