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| LMI Ratings | Current Rank | Current Ratings | Best Rank | Best Ratings | Ratings History |
| LMI Sudoku Ratings | 270 | 465.4496 | 144 | 587.0973 | History |
| Puzzle Test | DavidCollison's Rank | DavidCollison's Score | Test Max Score | PS | RS | NS | W |
| 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 Test | DavidCollison's Rank | DavidCollison's Score | Test Max Score | PS | RS | NS | W |
| 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 | 1 |
| 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' Sudoku | DavidCollison's Rank | DavidCollison's Score | Test 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 |
| User profile: DavidCollison | ||
| Real name | David Collison | |
| Blog | ||
| Country | United Kingdom | |
| Date registered | 2010-10-10 2:08 AM | |
| Last logon | 2023-03-24 2:51 PM | |
| Total posts | 5 | |
| Active user? | Yes | |
| Rank | ||
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