Grishina Olga
From Moscow, Russia
EMA: 15990379
Common russian riichi rating (CRR)
Rating date April 25, 2024 (latest changes April 25, 2024).
26 place (564.97).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (936.94 * 4.05 * 0.14 + 200 * 4.20 * 0.57 + 652.17 * 2.80 * 0.57 + 701.15 * 3.75 * 1 + 869.16 * 4 * 1 + 40 * 2.20 * 1) / (4.05 * 0.14 + 4.20 * 0.57 + 2.80 * 0.57 + 3.75 * 1 + 4 * 1 + 2.20 * 1) = 568.5090970912778
p2 = (869.16 * 4 * 1 + 701.15 * 3.75 * 1 + 652.17 * 2.80 * 0.57 + 936.94 * 4.05 * 0.14) / max_coefficients = 561.4328467153284
score = 568.5090970912778 * 0.5 + 561.4328467153284 * 0.5 = 564.970971903303
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-18 | 26 | 575.62 -> 564.97 |
Meeting in the billiard room: 71% -> 57% |
| 2024-04-12 | 20 -> 26 | 602.22 -> 575.62 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 19 -> 20 | 602.22 | |
| 2024-03-20 | 17 -> 19 | 604.05 -> 602.22 |
Tenpai can't buy happiness: 14% -> 0% |
| 2024-03-10 | 16 -> 17 | 619.49 -> 604.05 | |
| 2024-03-06 | 20 -> 16 | 598.17 -> 619.49 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-18 | 19 -> 20 | 608.64 -> 598.17 |
Meeting in the billiard room: 86% -> 71% |
| 2024-02-12 | 11 -> 19 | 634.44 -> 608.64 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 11 | 636.02 -> 634.44 |
Tenpai can't buy happiness: 29% -> 14% |
| 2024-01-06 | 13 -> 11 | 615.41 -> 636.02 |
IX Russian Riichi Championship: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 40 |
|
25/26 | 100% | 2.20 | CRR | Mushroom League |
| 2 | 869 |
|
15/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 3 | 701 |
|
27/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 4 | 652 |
|
9/24 | 57% | 2.80 | CRR | Meeting in the billiard room |
| 5 | 200 |
|
61/76 | 57% | 4.20 | RR | IX Russian Riichi Championship |
| 6 | 937 |
|
8/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |
| 7 | 701 |
|
21/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
| 8 | 106 |
|
43/48 | 0% | 3.10 | RR | Agari team tournament |
| 9 | 707 |
|
23/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 10 | 323 |
|
22/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
| 11 | 477 |
|
59/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 12 | 371 |
|
23/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
| 13 | 254 |
|
48/64 | 0% | 3.45 | EMA | White Dragon Tournament |