Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Common russian riichi rating (CRR)
Rating date May 3, 2025 (latest changes May 3, 2025).
123 place (371.15).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (318.18 * 2.10 * 0.43 + 666.67 * 3.05 * 0.86 + 473.68 * 1.50 * 1 + 539.33 * 3.75 * 1 + 390.80 * 3.75 * 0.14 + 420.56 * 4 * 0.29 + 461.54 * 2.90 * 0.57 + 413.04 * 2.10 * 0.86 + 294.12 * 3.05 * 1 + 67.80 * 3.25 * 1) / (2.10 * 0.43 + 3.05 * 0.86 + 1.50 * 1 + 3.75 * 1 + 3.75 * 0.14 + 4 * 0.29 + 2.90 * 0.57 + 2.10 * 0.86 + 3.05 * 1 + 3.25 * 1) = 399.89534580932735
p2 = (539.33 * 3.75 * 1 + 666.67 * 3.05 * 0.86 + 294.12 * 3.05 * 1 + 461.54 * 2.90 * 0.57) / max_coefficients = 342.403785488959
score = 399.89534580932735 * 0.5 + 342.403785488959 * 0.5 = 371.14956564914314
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-03 | 117 -> 123 | 371.43 -> 371.15 |
SPB Riichi Open 2023: 43% -> 29% |
| 2025-04-27 | 114 -> 117 | 371.43 | |
| 2025-04-26 | 112 -> 114 | 371.43 | |
| 2025-04-25 | 113 -> 112 | 371.43 | |
| 2025-04-22 | 114 -> 113 | 370.85 -> 371.43 |
Mushroom League: 57% -> 43% |
| 2025-04-13 | 113 -> 114 | 370.85 | |
| 2025-04-11 | 115 -> 113 | 370.74 -> 370.85 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-30 | 114 -> 115 | 374.08 -> 370.74 |
Seihoku spring tournament 2024: 100% -> 86% |
| 2025-03-26 | 110 -> 114 | 377.45 -> 374.08 |
Autumn Agari tournament: 71% -> 57% |
| 2025-03-23 | 109 -> 110 | 377.45 |
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 | 100% | 1.50 | CRR | Duplicate riichi mahjong tournament 2024 | Moscow |
| 5 | 19 |
|
106/108 | 100% | 4.60 | RR | X Russian Championship | Perm |
| 6 | 413 |
|
28/47 | 86% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
| 7 | 667 |
|
18/52 | 86% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |
| 8 | 462 |
|
22/40 | 57% | 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 |