Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Common russian riichi rating (CRR)
Rating date Feb. 3, 2025 (latest changes Feb. 3, 2025).
96 place (416.82).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (390.80 * 3.75 * 0.43 + 420.56 * 4 * 0.57 + 318.18 * 2.10 * 0.71 + 461.54 * 2.90 * 0.71 + 666.67 * 3.05 * 1 + 413.04 * 2.10 * 1 + 473.68 * 1.50 * 1 + 539.33 * 3.75 * 1 + 294.12 * 3.05 * 1) / (3.75 * 0.43 + 4 * 0.57 + 2.10 * 0.71 + 2.90 * 0.71 + 3.05 * 1 + 2.10 * 1 + 1.50 * 1 + 3.75 * 1 + 3.05 * 1) = 456.7901942924355
p2 = (666.67 * 3.05 * 1 + 539.33 * 3.75 * 1 + 420.56 * 4 * 0.57 + 461.54 * 2.90 * 0.71) / max_coefficients = 376.8511041009464
score = 456.7901942924355 * 0.5 + 376.8511041009464 * 0.5 = 416.82064919669097
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-02 | 101 -> 96 | 383.01 -> 416.82 |
Agari Winter Tournament 2025: 0% -> 100% |
| 2025-01-26 | 99 -> 101 | 389.69 -> 383.01 |
Autumn Agari tournament: 86% -> 71% |
| 2025-01-07 | 97 -> 99 | 389.69 | |
| 2025-01-05 | 98 -> 97 | 389.69 | |
| 2025-01-03 | 97 -> 98 | 397.64 -> 389.69 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-22 | 97 | 397.18 -> 397.64 |
Mushroom League: 86% -> 71% |
| 2024-12-18 | 79 -> 97 | 436.91 -> 397.18 |
Meeting in the billiard room: 14% -> 0% |
| 2024-12-11 | 80 -> 79 | 435.85 -> 436.91 |
Money can not buy tenpai: 57% -> 43% |
| 2024-11-26 | 80 | 441.83 -> 435.85 |
Autumn Agari tournament: 100% -> 86% |
| 2024-11-05 | 82 -> 80 | 441.25 -> 441.83 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 294 |
|
37/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 |
| 2 | 539 |
|
42/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 3 | 474 |
|
11/20 | 100% | 1.50 | CRR | Duplicate riichi mahjong tournament 2024 |
| 4 | 19 |
|
106/108 | 100% | 4.60 | RR | X Russian Championship |
| 5 | 413 |
|
28/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 6 | 667 |
|
18/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 7 | 462 |
|
22/40 | 71% | 2.90 | CRR | Autumn Agari tournament |
| 8 | 318 |
|
16/23 | 71% | 2.10 | CRR | Mushroom League |
| 9 | 421 |
|
63/108 | 57% | 4.00 | RR | SPB Riichi Open 2023 |
| 10 | 391 |
|
54/88 | 43% | 3.75 | RR | Money can not buy tenpai |
| 11 | 0 |
|
24/24 | 0% | 2.80 | CRR | Meeting in the billiard room |
| 12 | 427 |
|
44/76 | 0% | 4.20 | RR | IX Russian Riichi Championship |
| 13 | 604 |
|
45/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 14 | 253 |
|
57/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |