Grishchenko Aleksandra
From Korolyov, Russia
Internal rating (RR)
Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).
22 place (700.11).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (549.02 * 3.05 * 0.57 + 326.09 * 2.10 * 0.57 + 822.43 * 4.60 * 0.71 + 547.37 * 3.85 * 0.86 + 797.75 * 3.75 * 1 + 470.59 * 3.05 * 1 + 796.61 * 3.25 * 1 + 400 * 2 * 1 + 417.91 * 4.10 * 1 + 600 * 2.45 * 1 + 1000 * 3 * 1) / (3.05 * 0.57 + 2.10 * 0.57 + 4.60 * 0.71 + 3.85 * 0.86 + 3.75 * 1 + 3.05 * 1 + 3.25 * 1 + 2 * 1 + 4.10 * 1 + 2.45 * 1 + 3 * 1) = 637.8727413055473
p2 = (1000 * 3 * 1 + 797.75 * 3.75 * 1 + 822.43 * 4.60 * 0.71 + 796.61 * 3.25 * 1) / max_coefficients = 762.356081081081
score = 637.8727413055473 * 0.5 + 762.356081081081 * 0.5 = 700.1144111933141
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-01 | 23 -> 22 | 689.30 -> 700.11 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 19 -> 23 | 689.30 | |
| 2025-08-04 | 21 -> 19 | 685.67 -> 689.30 | |
| 2025-08-03 | 33 -> 21 | 637.57 -> 685.67 |
Two roosters and Chuckles: 0% -> 100% |
| 2025-07-30 | 33 | 636.16 -> 637.57 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-13 | 33 | 635.95 -> 636.16 |
Agari Summer Tournament 2025: 0% -> 100% |
| 2025-07-12 | 31 -> 33 | 649.64 -> 635.95 |
X Russian Championship: 86% -> 71% |
| 2025-07-10 | 31 | 649.23 -> 649.64 |
Agari Spring Tournament 2024: 71% -> 57% |
| 2025-06-15 | 26 -> 31 | 654.66 -> 649.23 |
13 bloody tiles: 0% -> 100% |
| 2025-06-11 | 29 -> 26 | 654.66 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1000 |
|
🥇 | 1/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov |
| 2 | 600 |
|
13/31 | 100% | 2.45 | RR | Agari Summer Tournament 2025 | Moscow | |
| 3 | 418 |
|
40/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 4 | 400 |
|
10/16 | 100% | 2.00 | RR | Random not fault | Moscow | |
| 5 | 797 |
|
13/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 6 | 471 |
|
28/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 7 | 214 |
|
34/43 | 100% | 2.60 | RR | Riichi On Ice | Samara | |
| 8 | 798 |
|
19/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 9 | 547 |
|
44/96 | 86% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 10 | 822 |
|
20/108 | 71% | 4.60 | RR | X Russian Championship | Perm | |
| 11 | 326 |
|
32/47 | 57% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 12 | 549 |
|
24/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |