Grishchenko Aleksandra
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date Feb. 3, 2025 (latest changes Feb. 3, 2025).
35 place (618.16).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (549.02 * 3.05 * 1 + 326.09 * 2.10 * 1 + 822.43 * 4.60 * 1 + 322.58 * 1.80 * 1 + 789.47 * 1.50 * 1 + 547.37 * 3.85 * 1 + 797.75 * 3.75 * 1 + 214.29 * 2.60 * 1 + 470.59 * 3.05 * 1) / (3.05 * 1 + 2.10 * 1 + 4.60 * 1 + 1.80 * 1 + 1.50 * 1 + 3.85 * 1 + 3.75 * 1 + 2.60 * 1 + 3.05 * 1) = 570.2927756653991
p2 = (822.43 * 4.60 * 1 + 797.75 * 3.75 * 1 + 547.37 * 3.85 * 1 + 549.02 * 3.05 * 1) / max_coefficients = 666.0334384858044
score = 570.2927756653991 * 0.5 + 666.0334384858044 * 0.5 = 618.1631070756017
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-02-02 | 28 -> 35 | 624.70 -> 618.16 |
Agari Winter Tournament 2025: 0% -> 100% |
2025-01-26 | 21 -> 28 | 647.94 -> 624.70 |
Riichi On Ice: 0% -> 100% |
2025-01-05 | 22 -> 21 | 647.94 | |
2024-12-11 | 23 -> 22 | 647.94 | |
2024-11-05 | 24 -> 23 | 647.94 | |
2024-10-13 | 41 -> 24 | 578.01 -> 647.94 |
Moscow Riichi 2024: 0% -> 100% |
2024-09-03 | 45 -> 41 | 568.01 -> 578.01 | |
2024-09-01 | 48 -> 45 | 542.40 -> 568.01 |
SPB Riichi Open 2024: 0% -> 100% |
2024-08-27 | 49 -> 48 | 542.40 | |
2024-08-26 | 50 -> 49 | 542.40 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 471 |
|
28/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 |
2 | 214 |
|
34/43 | 100% | 2.60 | RR | Riichi On Ice |
3 | 798 |
|
19/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
4 | 547 |
|
44/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
5 | 789 |
|
5/20 | 100% | 1.50 | CRR | Duplicate riichi mahjong tournament 2024 |
6 | 323 |
|
22/32 | 100% | 1.80 | CRR | "Green Dragon" in the Secret Chamber |
7 | 822 |
|
20/108 | 100% | 4.60 | RR | X Russian Championship |
8 | 326 |
|
32/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
9 | 549 |
|
24/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |