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

Nathan C

Player Profile : BlackBird_6
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Real name Nathan C
Puzzle Blog
Country Canada
Date registered2025-02-08 8:17 AM
Last logon2026-07-19 4:29 AM
Total posts0 
Rank
LMI RatingsCurrent RankCurrent RatingsBest RankBest RatingsRatings History
LMI Puzzle Ratings 176 531.397 176 531.397 History
LMI Sudoku Ratings 134 629.7256 127 636.0602 History

Puzzle Ratings HistoryRatingsRank
2026R4 (Shading & Loops) 531.397 176
2026R3 (OP & Regions) 514.6192 187
2026R2 (MII & Number Placement) 514.4338 191
2026R1 (Classics) 507.4437 186
2025R5 (Word & Casual) 494.0095 190
2025R4 (Shading & Regions) 455.9944 225
2025R3 (Numbers & MII) 465.7609 218
2025R2 (Loop & OP) 382.2357 280
2025R1 (Classics) 274.3971 387
Puzzle TestBlackBird_6's RankBlackBird_6's ScoreTest Max ScorePSRSNSW
26-Letter Puzzle Contest 60 270 0
France Open 2026 - Puzzle R1 48 285 0
2026R5 (Word & Casual) 83 50 0
2026R4 (Shading & Loops) 86 52.8 132.8 588 667 608 1
2026R2 (MII & Number Placement) 132 58.5 132.8 534 547 538 1
2026R1 (Classics) 161 50 132.033 539 596 554 0.8
2025R5 (Word & Casual) 137 53.7 119.8 529 549 534 0.8
2025R3 (Numbers & MII) 136 43 123.417 512 538 519 0.7
2025R2 (Loop & OP) 187 34 124.25 448 435 445 0.6
2025R1 (Classics) 214 43.8 134.883 466 454 463 0.6
Sudoku TestBlackBird_6's RankBlackBird_6's ScoreTest Max ScorePSRSNSW
France Open 2026 - Sudoku R2 62 269 0
France Open 2026 - Sudoku R1 53 538 0
2026R4 (Irregular & Converse) 63 73 140.35 634 798 675 1
2026R3 (OE & Hybrids) 126 55.5 140.35 550 647 574 1
2026R2 (Math & Outside) 155 58.7 141.283 588 659 606 1
2026R1 (Standard & Neighbours) 111 59 138.433 622 764 658 0.8
2025R4 (Outside & Hybrids) 78 61 140.533 603 767 644 0.8
2025R3 (Odd Even & Irregular) 113 86.6 155.533 635 694 650 0.7
2025R2 (Math & Neighbours) 124 70.7 149.7 604 704 629 0.7
2025R1 (Standard & Converse) 181 57.8 154.75 570 643 588 0.6

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