Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Internal rating (RR)
Rating date June 23, 2026 (latest changes June 16, 2026).
186 place (232.93).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (539.33 * 3.75 * 0.29 + 294.12 * 3.05 * 0.57 + 67.80 * 3.25 * 0.57 + 518.52 * 2.45 * 1 + 0) / (3.75 * 0.29 + 3.05 * 0.57 + 3.25 * 0.57 + 2.45 * 1 + 1) = 306.19508582172944
p2 = (518.52 * 2.45 * 1 + 539.33 * 3.75 * 0.29 + 294.12 * 3.05 * 0.57 + 67.80 * 3.25 * 0.57) / max_coefficients = 159.6669087350738
score = 306.19508582172944 * 0.5 + 159.6669087350738 * 0.5 = 232.9309972784016
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-16 | 194 -> 186 | 227.49 -> 232.93 |
White Wolf Cup: 71% -> 57% |
| 2026-06-15 | 194 | 224.56 -> 227.49 | |
| 2026-06-14 | 172 -> 194 | 231.44 -> 224.56 | |
| 2026-06-13 | 166 -> 172 | 248.39 -> 231.44 |
Moscow Riichi 2024: 43% -> 29% |
| 2026-06-09 | 168 -> 166 | 248.39 | |
| 2026-06-04 | 170 -> 168 | 248.39 | |
| 2026-06-02 | 169 -> 170 | 252.40 -> 248.39 |
Agari Winter Tournament 2025: 71% -> 57% |
| 2026-05-17 | 202 -> 169 | 158.74 -> 252.40 |
Hatiko under the sakura: 0% -> 100% |
| 2026-05-14 | 203 -> 202 | 158.74 | |
| 2026-05-12 | 211 -> 203 | 164.48 -> 158.74 |
X Russian Championship: 14% -> 0% |
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 | 57% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 3 | 294 |
|
37/52 | 57% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 4 | 539 |
|
42/90 | 29% | 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 |