Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Internal rating (RR)
Rating date May 20, 2025 (latest changes May 12, 2025).
125 place (323.55).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (390.80 * 3.75 * 0.14 + 420.56 * 4 * 0.29 + 666.67 * 3.05 * 0.71 + 413.04 * 2.10 * 0.86 + 18.69 * 4.60 * 0.86 + 539.33 * 3.75 * 1 + 294.12 * 3.05 * 1 + 67.80 * 3.25 * 1) / (3.75 * 0.14 + 4 * 0.29 + 3.05 * 0.71 + 2.10 * 0.86 + 4.60 * 0.86 + 3.75 * 1 + 3.05 * 1 + 3.25 * 1) = 310.4067917023328
p2 = (539.33 * 3.75 * 1 + 666.67 * 3.05 * 0.71 + 294.12 * 3.05 * 1 + 413.04 * 2.10 * 0.86) / max_coefficients = 336.7007489142784
score = 310.4067917023328 * 0.5 + 336.7007489142784 * 0.5 = 323.5537703083056
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-12 | 127 -> 125 | 311.85 -> 323.55 |
X Russian Championship: 100% -> 86% |
| 2025-05-10 | 126 -> 127 | 324.85 -> 311.85 |
Agari Spring Tournament 2024: 86% -> 71% |
| 2025-05-03 | 121 -> 126 | 326.35 -> 324.85 |
SPB Riichi Open 2023: 43% -> 29% |
| 2025-04-26 | 117 -> 121 | 326.35 | |
| 2025-04-11 | 118 -> 117 | 327.32 -> 326.35 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-30 | 117 -> 118 | 331.90 -> 327.32 |
Seihoku spring tournament 2024: 100% -> 86% |
| 2025-03-10 | 112 -> 117 | 344.46 -> 331.90 |
Agari Spring Tournament 2024: 100% -> 86% |
| 2025-03-03 | 112 | 348.64 -> 344.46 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-03-02 | 109 -> 112 | 348.64 | |
| 2025-02-16 | 95 -> 109 | 369.57 -> 348.64 |
White Wolf Cup: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 68 |
|
56/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg |
| 2 | 294 |
|
37/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow |
| 3 | 539 |
|
42/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 4 | 19 |
|
106/108 | 86% | 4.60 | RR | X Russian Championship | Perm |
| 5 | 413 |
|
28/47 | 86% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
| 6 | 667 |
|
18/52 | 71% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |
| 7 | 421 |
|
63/108 | 29% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |
| 8 | 391 |
|
54/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm |
| 9 | 427 |
|
44/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |
| 10 | 604 |
|
45/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |
| 11 | 253 |
|
57/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |