Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Common russian riichi rating (CRR)
Rating date July 14, 2024 (latest changes July 14, 2024).
75 place (425.49).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (426.67 * 4.20 * 0.29 + 0 * 2.80 * 0.43 + 390.80 * 3.75 * 0.86 + 420.56 * 4 * 1 + 318.18 * 2.10 * 1 + 461.54 * 2.90 * 1 + 666.67 * 3.05 * 1 + 413.04 * 2.10 * 1 + 473.68 * 1.50 * 1) / (4.20 * 0.29 + 2.80 * 0.43 + 3.75 * 0.86 + 4 * 1 + 2.10 * 1 + 2.90 * 1 + 3.05 * 1 + 2.10 * 1 + 1.50 * 1) = 426.45448476766876
p2 = (666.67 * 3.05 * 1 + 420.56 * 4 * 1 + 461.54 * 2.90 * 1 + 390.80 * 3.75 * 0.86) / max_coefficients = 424.52011134190536
score = 426.45448476766876 * 0.5 + 424.52011134190536 * 0.5 = 425.48729805478706
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-07-14 | 71 -> 75 | 425.49 | |
| 2024-07-06 | 73 -> 71 | 425.49 |
IX Russian Riichi Championship: 43% -> 29% |
| 2024-06-25 | 75 -> 73 | 425.49 | |
| 2024-06-18 | 78 -> 75 | 421.66 -> 425.49 |
Meeting in the billiard room: 57% -> 43% |
| 2024-06-11 | 76 -> 78 | 423.04 -> 421.66 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 74 -> 76 | 423.04 | |
| 2024-05-25 | 75 -> 74 | 421.29 -> 423.04 |
Duplicate riichi mahjong tournament 2024: 0% -> 100% |
| 2024-05-19 | 72 -> 75 | 421.29 | |
| 2024-05-12 | 54 -> 72 | 447.56 -> 421.29 |
X Russian Championship: 0% -> 100% |
| 2024-05-06 | 55 -> 54 | 447.66 -> 447.56 |
IX Russian Riichi Championship: 57% -> 43% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 474 |
|
11/20 | 100% | 1.50 | CRR | Duplicate riichi mahjong tournament 2024 |
| 2 | 19 |
|
106/108 | 100% | 4.60 | RR | X Russian Championship |
| 3 | 413 |
|
28/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 4 | 667 |
|
18/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 5 | 462 |
|
22/40 | 100% | 2.90 | CRR | Autumn Agari tournament |
| 6 | 318 |
|
16/23 | 100% | 2.10 | CRR | Mushroom League |
| 7 | 421 |
|
63/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 8 | 391 |
|
54/88 | 86% | 3.75 | RR | Money can not buy tenpai |
| 9 | 0 |
|
24/24 | 43% | 2.80 | CRR | Meeting in the billiard room |
| 10 | 427 |
|
44/76 | 29% | 4.20 | RR | IX Russian Riichi Championship |
| 11 | 604 |
|
45/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 12 | 253 |
|
57/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |