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

Jeffrey Huang

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Real name Jeffrey Huang
Puzzle Blog
Country United States
Date registered2022-11-13 1:44 AM
Last logon2026-07-16 5:15 PM
Total posts
Rank
LMI RatingsCurrent RankCurrent RatingsBest RankBest RatingsRatings History
LMI Puzzle Ratings 265 385.8846 218 466.6399 History
LMI Sudoku Ratings 83 706.001 83 706.001 History

Puzzle Testjeff10's Rankjeff10's ScoreTest Max ScorePSRSNSW
2026R5 (Word & Casual) 94 46.8 0
2026R4 (Shading & Loops) 172 23 132.8 322 337 326 1
2026R3 (OP & Regions) 207 25.7 125.3 286 298 289 1
2026R2 (MII & Number Placement) 207 34.2 132.8 323 301 317 1
2026R1 (Classics) 153 52.3 132.033 552 614 568 0.8
2025R4 (Shading & Regions) 183 53.8 137.1 397 375 392 0.7
2025R3 (Numbers & MII) 157 39 123.417 476 472 475 0.7
2025R2 (Loop & OP) 233 21.7 124.25 286 299 289 0.6
2025R1 (Classics) 191 47.8 134.883 505 509 506 0.6
2024R5 (Shading & Regions) 202 28.2 129.983 337 356 341
2024R4 (Word & OP) 145 53 129.467 503 505 503
2024R3 (Evergreens & MII) 196 28 124.95 335 326 333
2024R2 (Loops & Numbers) 123 50.1 130.583 548 624 567
2024R1 (Classics) 202 38 128.45 531 557 538
2023R6 (Regions & Loops) 178 32.7 137.983 322 251 304
April Contest 2023 49 20 0
2023R5 (Casual & Word) 102 51 107.517 555 601 567
PANFOPCWHTTAPA 3 249 49.9 149.6 214 93 184
Sudoku Testjeff10's Rankjeff10's ScoreTest Max ScorePSRSNSW
2026R4 (Irregular & Converse) 36 87.3 140.35 712 884 755 1
2026R3 (OE & Hybrids) 60 77.5 140.35 667 835 709 1
2026R2 (Math & Outside) 113 71.6 141.283 653 752 677 1
2026R1 (Standard & Neighbours) 67 78 138.433 713 857 749 0.8
2025R4 (Outside & Hybrids) 33 74 140.533 668 902 727 0.8
2025R3 (Odd Even & Irregular) 134 77 155.533 585 639 598 0.7
2025R2 (Math & Neighbours) 119 73.3 149.7 617 716 642 0.7
2025R1 (Standard & Converse) 58 87 154.75 700 885 746 0.6
HNY2025 108 455 2207 514 533 519 0.6
2024R4 (Outside & Converse) 111 44 125.95 573 684 601 0.6
2024R3 (Math & Neighbours) 65 74 138.217 674 832 714
2024R2 (Odd Even & Hybrids) 96 65.8 139.333 626 760 659
2024R1 (Standard & Irregular) 187 45 141.75 563 659 587
HNY2024 104 212 890 521 539 525
SSC 2023 68 126 0
2023R4 (Neighbours & Converse) 224 28 126.7 431 407 425

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