Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Internal rating (RR)
Rating date Nov. 11, 2026 (latest changes Nov. 8, 2026).
215 place (180.48).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91
p1 = (294.12 * 3.05 * 0.29 + 67.80 * 3.25 * 0.29 + 518.52 * 2.45 * 1 + 0 + 0) / (3.05 * 0.29 + 3.25 * 0.29 + 2.45 * 1 + 1 + 1) = 254.3412625141802
p2 = (518.52 * 2.45 * 1 + 294.12 * 3.05 * 0.29 + 67.80 * 3.25 * 0.29) / max_coefficients = 106.61368209255532
score = 254.3412625141802 * 0.5 + 106.61368209255532 * 0.5 = 180.47747230336776
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-11-08 | 210 -> 215 | 180.48 | |
| 2026-11-04 | 210 | 178.75 -> 180.48 | |
| 2026-10-31 | 207 -> 210 | 178.75 | |
| 2026-10-16 | 212 -> 207 | 173.32 -> 178.75 |
White Wolf Cup: 43% -> 29% |
| 2026-10-13 | 198 -> 212 | 214.78 -> 173.32 |
Moscow Riichi 2024: 14% -> 0% |
| 2026-10-03 | 199 -> 198 | 214.78 | |
| 2026-10-02 | 199 | 218.56 -> 214.78 |
Agari Winter Tournament 2025: 43% -> 29% |
| 2026-09-06 | 191 -> 199 | 218.56 | |
| 2026-09-01 | 193 -> 191 | 218.56 | |
| 2026-08-31 | 193 | 218.35 -> 218.56 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 519 |
|
14/28 | 100% | 2.45 | RR | Hatiko under the sakura | Korolyov | |
| 2 | 68 |
|
56/60 | 29% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 3 | 294 |
|
37/52 | 29% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 4 | 539 |
|
42/90 | 0% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 5 | 19 |
|
106/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 6 | 413 |
|
28/47 | 0% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 7 | 667 |
|
18/52 | 0% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 8 | 421 |
|
63/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 9 | 391 |
|
54/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 10 | 427 |
|
44/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 11 | 604 |
|
45/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 12 | 253 |
|
57/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |