Lavreniuk Irina
From Moscow, Russia
EMA: 15990327
Common russian riichi rating (CRR)
Rating date June 9, 2024 (latest changes June 9, 2024).
76 place (423.04).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (0 * 2.80 * 0.57 + 666.67 * 3.05 * 1 + 318.18 * 2.10 * 1 + 603.60 * 4.05 * 0.14 + 426.67 * 4.20 * 0.43 + 390.80 * 3.75 * 1 + 420.56 * 4 * 1 + 461.54 * 2.90 * 1 + 413.04 * 2.10 * 1 + 473.68 * 1.50 * 1) / (2.80 * 0.57 + 3.05 * 1 + 2.10 * 1 + 4.05 * 0.14 + 4.20 * 0.43 + 3.75 * 1 + 4 * 1 + 2.90 * 1 + 2.10 * 1 + 1.50 * 1) = 422.73497104319154
p2 = (666.67 * 3.05 * 1 + 420.56 * 4 * 1 + 390.80 * 3.75 * 1 + 461.54 * 2.90 * 1) / max_coefficients = 423.34740259740266
score = 422.73497104319154 * 0.5 + 423.34740259740266 * 0.5 = 423.04118682029707
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2024-05-05 | 54 -> 55 | 447.66 | |
| 2024-04-27 | 56 -> 54 | 447.66 | |
| 2024-04-22 | 57 -> 56 | 447.66 | |
| 2024-04-18 | 57 | 443.99 -> 447.66 |
Meeting in the billiard room: 71% -> 57% |
| 2024-04-12 | 58 -> 57 | 446.35 -> 443.99 |
Moscow Riichi 2022: 29% -> 14% |
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 | 100% | 3.75 | RR | Money can not buy tenpai |
| 9 | 0 |
|
24/24 | 57% | 2.80 | CRR | Meeting in the billiard room |
| 10 | 427 |
|
44/76 | 43% | 4.20 | RR | IX Russian Riichi Championship |
| 11 | 604 |
|
45/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |
| 12 | 253 |
|
57/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |