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 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