Grishchenko Aleksandra
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date June 11, 2025 (latest changes June 11, 2025).
24 place (670.24).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (796.61 * 3.25 * 1 + 797.75 * 3.75 * 1 + 470.59 * 3.05 * 1 + 549.02 * 3.05 * 0.71 + 326.09 * 2.10 * 0.71 + 822.43 * 4.60 * 0.86 + 322.58 * 1.80 * 0.86 + 789.47 * 1.50 * 0.86 + 547.37 * 3.85 * 1 + 400 * 2 * 1) / (3.25 * 1 + 3.75 * 1 + 3.05 * 1 + 3.05 * 0.71 + 2.10 * 0.71 + 4.60 * 0.86 + 1.80 * 0.86 + 1.50 * 0.86 + 3.85 * 1 + 2 * 1) = 621.0183897485116
p2 = (822.43 * 4.60 * 0.86 + 797.75 * 3.75 * 1 + 796.61 * 3.25 * 1 + 547.37 * 3.85 * 1) / max_coefficients = 719.457948772631
score = 621.0183897485116 * 0.5 + 719.457948772631 * 0.5 = 670.2381692605713
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-11 | 25 -> 24 | 670.24 | |
| 2025-06-08 | 23 -> 25 | 679.31 -> 670.24 |
Random not fault: 0% -> 100% |
| 2025-05-30 | 23 | 677.41 -> 679.31 |
Seihoku spring tournament 2024: 86% -> 71% |
| 2025-05-25 | 22 -> 23 | 678.07 -> 677.41 |
Duplicate riichi mahjong tournament 2024: 100% -> 86% |
| 2025-05-19 | 23 -> 22 | 676.47 -> 678.07 |
"Green Dragon" in the Secret Chamber: 100% -> 86% |
| 2025-05-12 | 21 -> 23 | 681.01 -> 676.47 |
X Russian Championship: 100% -> 86% |
| 2025-05-10 | 22 -> 21 | 680.27 -> 681.01 |
Agari Spring Tournament 2024: 86% -> 71% |
| 2025-05-03 | 20 -> 22 | 680.27 | |
| 2025-04-26 | 21 -> 20 | 680.27 | |
| 2025-04-22 | 20 -> 21 | 680.27 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 400 |
|
10/16 | 100% | 2.00 | RR | Random not fault | Moscow |
| 2 | 797 |
|
13/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg |
| 3 | 471 |
|
28/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow |
| 4 | 214 |
|
34/43 | 100% | 2.60 | RR | Riichi On Ice | Samara |
| 5 | 798 |
|
19/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 6 | 547 |
|
44/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |
| 7 | 789 |
|
5/20 | 86% | 1.50 | CRR | Duplicate riichi mahjong tournament 2024 | Moscow |
| 8 | 323 |
|
22/32 | 86% | 1.80 | CRR | "Green Dragon" in the Secret Chamber | Korolyov |
| 9 | 822 |
|
20/108 | 86% | 4.60 | RR | X Russian Championship | Perm |
| 10 | 326 |
|
32/47 | 71% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
| 11 | 549 |
|
24/52 | 71% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |