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

Tom Krej?í

Player Profile : tierra
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Real name Tom Krej?í
Puzzle Blog
Country Czech Republic
Date registered2013-01-31 5:03 PM
Last logon2026-05-10 1:15 AM
Total posts0 
Rank
LMI RatingsCurrent RankCurrent RatingsBest RankBest RatingsRatings History
LMI Sudoku Ratings 226 511.4845 209 511.4845 History

Sudoku Ratings HistoryRatingsRank
2026R4 (Irregular & Converse) 511.4845 226
2026R3 (OE & Hybrids) 434.0237 314
2026R2 (Math & Outside) 454.5542 300
2026R1 (Standard & Neighbours) 470.2631 289
2025R4 (Outside & Hybrids) 470.2631 277
2025R3 (Odd Even & Irregular) 393.4771 344
2025R2 (Math & Neighbours) 505.0159 260
2025R1 (Standard & Converse) 505.0159 252
HNY2025 280.7367 491
2024R4 (Outside & Converse) 312.3245 444
2024R3 (Math & Neighbours) 312.3245 456
2024R2 (Odd Even & Hybrids) 341.1102 414
2024R1 (Standard & Irregular) 341.1102 405
HNY2024 391.6451 330
2023R4 (Neighbours & Converse) 391.6453 332
2023R3 (Irregular & Math) 391.6451 337
Outside (SM 2021) 195.2806 495
Standard (SM 2021) 354.1809 305
Lockdown Sudoku Test 354.1837 287
Quinze 2 365.6017 275
Twisted Classics and Hybrids (SM2020) 384.263 268
Mean Minis 393.89 267
Converse and Odd Even (SM2020) 410.4034 252
Math (SM2020) 426.2761 236
Irregular and Outside (SM2020) 453.6037 221
Substitution and Neighbours (SM 2020) 453.6037 209
Standard (SM 2020) 365.9733 266
Irregular & Hybrids (SM 19) 202.8656 393
Math (SM 19) 202.8656 403
Substitution & Odd Even (SM 19) 202.8656 399
Outside & Neighbours (SM 19) 225.6916 387
Standard (SM 19) 225.6916 399
Deja Vu 246.4926 379
Enthralling Sudoku 246.4926 389
Irregular & Hybrids (SM 18) 265.5268 382
Math (SM 18) 265.5268 387
Odd Even & Substitution (SM 18) 283.01 378
R19 - WSC Playoffs 283.01 380
Outside & Neighbours (SM 18) 283.01 405
Neighbours Variations (SM 15/16) 49.26163 698
Standard Variations (SM 15/16) 49.26163 690
Unlucky 13 49.26163 640
Converse Variations (SM 14/15) 211.0163 442
Neighbours Variations (SM 14/15) 211.0163 438
Math Variations (SM 14/15) 228.5693 417
Outside Variations (SM 14/15) 228.5693 432
Sudoku Surprise 317.6634 332
Odd Even Variations (SM 14/15) 337.7962 346
Irregular Variations (SM 14/15) 376.4352 309
Standard Variations (SM 14/15) 384.723 293
Sudoku Day 408.0125 281
7X7 495.3287 210
Road To London 489.4688 215
Parallel Universe 494.2676 217
Special 8 476.3276 220
Best of LMI Sudoku Tests 483.0213 226
LMI Screen Test #4 477.1773 237
Sudoku Grand Prix - Italian Round 481.7546 236
Sudoku Grand Prix - Turkish Round 448.1865 250
Sudoku Grand Prix - Serbian Round 476.9978 220
V2V 343.1405 315
Sudoku Grand Prix - Indian Round 343.1405 309
Puzzle Testtierra's Ranktierra's ScoreTest Max ScorePSRSNSW
Classics (PR 2015/16) 224 13.5 157.633 112 87 106
Sudoku Testtierra's Ranktierra's ScoreTest Max ScorePSRSNSW
2026R4 (Irregular & Converse) 135 54 140.35 530 570 540 1
2025R4 (Outside & Hybrids) 152 43 140.533 514 543 521 0.8
2025R1 (Standard & Converse) 118 71 154.75 629 770 664 0.6
2023R3 (Irregular & Math) 86 52 121.783 620 784 661
Substitution and Neighbours (SM 2020) 188 36 128.417 462 454 460
Standard (SM 2020) 157 77 157.367 608 647 618
Outside & Neighbours (SM 18) 131 39 131.3 477 480 478
Sudoku Day 149 6 111.884 129 76 116
Parallel Universe 97 420 1462.14 518 567 531
Sudoku Grand Prix - Italian Round 160 223 558.133 529 560 537
Sudoku Grand Prix - Turkish Round 257 80 656 286 210 267
Sudoku Grand Prix - Serbian Round 185 278 915.4 546 576 554
Sudoku Grand Prix - Indian Round 216 172 559 558 642 579

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
WSPC 2021tierra's Ranktierra's ScoreTest Max Score
01 - Classics 158 140 0
02 - Evergreens 208 145 0
03 - Great Wall of Sudoku 323 50 0
04 - Temple of Sudoku 91 180 0