Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Common russian riichi rating (CRR)
Rating date June 9, 2025 (latest changes June 9, 2025).
130 place (359.94).
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 + 318.18 * 2.10 * 0.43 + 461.54 * 2.90 * 0.43 + 666.67 * 3.05 * 0.71 + 413.04 * 2.10 * 0.71 + 473.68 * 1.50 * 0.86 + 539.33 * 3.75 * 1 + 294.12 * 3.05 * 1 + 67.80 * 3.25 * 1) / (3.75 * 0.14 + 4 * 0.29 + 2.10 * 0.43 + 2.90 * 0.43 + 3.05 * 0.71 + 2.10 * 0.71 + 1.50 * 0.86 + 3.75 * 1 + 3.05 * 1 + 3.25 * 1) = 391.3220290752215
p2 = (539.33 * 3.75 * 1 + 666.67 * 3.05 * 0.71 + 294.12 * 3.05 * 1 + 413.04 * 2.10 * 0.71) / max_coefficients = 328.5481278459467
score = 391.3220290752215 * 0.5 + 328.5481278459467 * 0.5 = 359.9350784605841
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-08 | 129 -> 130 | 359.94 | |
| 2025-05-30 | 126 -> 129 | 364.18 -> 359.94 |
Seihoku spring tournament 2024: 86% -> 71% |
| 2025-05-26 | 125 -> 126 | 365.62 -> 364.18 |
Autumn Agari tournament: 57% -> 43% |
| 2025-05-25 | 125 | 366.06 -> 365.62 |
Duplicate riichi mahjong tournament 2024: 100% -> 86% |
| 2025-05-17 | 123 -> 125 | 366.06 | |
| 2025-05-12 | 128 -> 123 | 359.05 -> 366.06 |
X Russian Championship: 100% -> 86% |
| 2025-05-10 | 122 -> 128 | 371.15 -> 359.05 |
Agari Spring Tournament 2024: 86% -> 71% |
| 2025-05-05 | 123 -> 122 | 371.15 | |
| 2025-05-03 | 117 -> 123 | 371.43 -> 371.15 |
SPB Riichi Open 2023: 43% -> 29% |
| 2025-04-27 | 114 -> 117 | 371.43 |
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 | 474 |
|
11/20 | 86% | 1.50 | CRR | Duplicate riichi mahjong tournament 2024 | Moscow | |
| 5 | 19 |
|
106/108 | 86% | 4.60 | RR | X Russian Championship | Perm | |
| 6 | 413 |
|
28/47 | 71% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 7 | 667 |
|
18/52 | 71% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 8 | 462 |
|
22/40 | 43% | 2.90 | CRR | Autumn Agari tournament | Moscow | |
| 9 | 318 |
|
16/23 | 43% | 2.10 | CRR | Mushroom League | Moscow | |
| 10 | 421 |
|
63/108 | 29% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 11 | 391 |
|
54/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 12 | 0 |
|
24/24 | 0% | 2.80 | CRR | Meeting in the billiard room | Moscow | |
| 13 | 427 |
|
44/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 14 | 604 |
|
45/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 15 | 253 |
|
57/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg |