Asian Sudoku Championship 2025
Sudoku Champs 2024

David Collison

Send this user a private message
Real name David Collison
Puzzle Blog
Country United Kingdom
Date registered2010-10-10 2:08 AM
Last logon2024-08-23 5:36 PM
Total posts
Rank
LMI RatingsCurrent RankCurrent RatingsBest RankBest RatingsRatings History
LMI Sudoku Ratings 268 462.9251 144 587.0973 History

Puzzle TestDavidCollison's RankDavidCollison's ScoreTest Max ScorePSRSNSW
LMI Screen Test #5 196 741.1 2175.2 350 261 328
LMI Puzzle Marathon 2014 332 0 773.675
Kakuro 107 282 1353 330 365 339
Puzzle Marathon 2012 264 0 1310.25
Screen Test #2 216 584 1428 414 347 397
Screen Test #1 108 578 1477 457 415 447
FLIP 66 155 644 388 337 375
Nikoli Selection 2010 139 95 1119 123 86 114
Sudoku TestDavidCollison's RankDavidCollison's ScoreTest Max ScorePSRSNSW
2023R4 (Neighbours & Converse) 219 28 126.7 431 420 428 1
2023R3 (Irregular & Math) 207 29 121.783 483 478 482 1
2023R2 (Outside & Hybrids) 209 34 136.25 472 466 471 1
2023R1 (Standard & Odd Even) 274 32 140.617 471 479 473 0.8
Standard (SM 2021) 223 53 153.25 414 387 407
Math (SM2020) 208 37 142.45 411 422 414
Irregular and Outside (SM2020) 182 53 155.7 429 439 431
Substitution and Neighbours (SM 2020) 140 45 128.417 534 593 548
Standard (SM 2020) 236 51 157.367 464 468 465
Math (SM 19) 196 24 129.033 324 225 299
Get Overlapped! 164 0 232.067
Substitution & Odd Even (SM 19) 117 47 137.517 523 569 534
Outside & Neighbours (SM 19) 145 43 148.467 427 431 428
Standard (SM 19) 162 36 147.383 360 343 356
Deja Vu 82 41 146.817 347 362 351
Enthralling Sudoku 79 56 150.233 378 355 373
Outside & Math (SM 16/17) 166 45 139.05 548 509 538
Odd Even & Twisted Classics (SM 16/17) 158 45 141.283 529 560 537
Standard & Neighbours (SM 16/17) 125 57 151.533 525 546 530
Nuovo Cinema Sudoku 109 45 611.75 158 177 162
Irregular Variations (SM 15/16) 86 65 145.15 566 669 592
Converse Variations (SM 15/16) 184 31 142.083 384 379 382
Twisted Classics (SM 15/16) 213 54 155.083 370 340 363
Math Variations (SM 15/16) 118 51 136.083 545 621 564
Odd Even Variations (SM 15/16) 153 59 156.233 500 492 498
September Sudoku Contest 2015 70 46 679.167
Neighbours Variations (SM 15/16) 74 78 144.667 640 773 673
Standard Variations (SM 15/16) 129 68 156.767 560 596 569
Unlucky 13 106 1196 1882.62 518 539 524
Converse Variations (SM 14/15) 255 21 156.467 198 145 185
Neighbours Variations (SM 14/15) 124 72 153.933 548 583 557
Math Variations (SM 14/15) 101 81 158.417 552 541 549
Outside Variations (SM 14/15) 152 42 151.45 500 493 498
Sudoku Surprise 85 310 1810.33 408 410 408
Odd Even Variations (SM 14/15) 95 59 145.167 602 720 631
Irregular Variations (SM 14/15) 94 74 150.05 614 693 634
Standard Variations (SM 14/15) 210 33 150.533 359 386 366
LMI Screen Test #4 145 689.482 2982.38 346 359 349
Sudoku Grand Prix - Italian Round 130 247 558.133 563 641 583
Sudoku Grand Prix - Turkish Round 125 180 656 539 618 558
Sudoku Grand Prix - Serbian Round 108 383 915.4 621 753 654
V2V 119 308 1092.9 463 472 465
Sudoku Grand Prix - Indian Round 183 199 559 589 697 616
LMI Screen Test #3 214 355.62 2849.14 231 254 237
Fugitive Warrant 62 66 182 528 561 537
Killer Shootout 90 100 373.46 403 364 393
Classics vs. Innovatives 133 67 416.7 279 270 277
Copy Paste 99 435 1446.95 503 512 506
SudoClones 107 250 1239.9 385 380 383
Sudoku 8X8 118 242 871.8 401 397 400
Killing Time 76 275 985.458 430 427 429
Diagonal Vision 86 220 860 404 441 413
Shapes and Sizes 124 121 902 216 176 206
Best of LMI Mocks 110 245 1080 405 359 393
Fivefold Sudoku Test 87 328.6 1061.8 524 569 535
LOGIDOKU 60 111 348 516 550 525
Something is Missing 81 60 437 207 167 197
LMI April Sudoku Test 126 120 650 382 402 387
LMI Spring Sudoku Test 78 245 954 471 446 465
Double Delight 112 125 1035 152 159 154
Renban Grouped Sudokus 135 123 592 262 198 246

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
Beginners' SudokuDavidCollison's RankDavidCollison's ScoreTest Max Score
July 2014 132 72.23 122.38
May 2014 80 69.98 117.3
February 2014 109 74.93 124.78
March 2013 85 67.43 118
February 2013 49 85.85 122.93
January 2013 93 74.35 123.42
December 2012 43 96.07 125.02
November 2012 77 52.43 110.65
October 2012 95 57.77 118.38
September 2012 97 72.95 126