Grishchenko Aleksandra
From Korolyov, Russia
Internal rating (RR)
Rating date Jan. 28, 2026 (latest changes Jan. 26, 2026).
26 place (675.71).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (549.02 * 3.05 * 0.14 + 326.09 * 2.10 * 0.29 + 822.43 * 4.60 * 0.29 + 547.37 * 3.85 * 0.57 + 797.75 * 3.75 * 0.71 + 470.59 * 3.05 * 1 + 796.61 * 3.25 * 1 + 400 * 2 * 1 + 600 * 2.45 * 1 + 1000 * 3 * 1 + 596.49 * 3.90 * 1 + 774.19 * 3 * 1 + 526.32 * 2.25 * 1 + 700 * 3 * 1) / (3.05 * 0.14 + 2.10 * 0.29 + 4.60 * 0.29 + 3.85 * 0.57 + 3.75 * 0.71 + 3.05 * 1 + 3.25 * 1 + 2 * 1 + 2.45 * 1 + 3 * 1 + 3.90 * 1 + 3 * 1 + 2.25 * 1 + 3 * 1) = 666.6210866458086
p2 = (1000 * 3 * 1 + 796.61 * 3.25 * 1 + 596.49 * 3.90 * 1 + 774.19 * 3 * 1) / max_coefficients = 684.8080267558528
score = 666.6210866458086 * 0.5 + 684.8080267558528 * 0.5 = 675.7145567008307
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-26 | 27 -> 26 | 675.71 |
Riichi On Ice: 100% -> 86% |
| 2026-01-25 | 22 -> 27 | 675.71 | |
| 2026-01-12 | 22 | 677.23 -> 675.71 |
X Russian Championship: 43% -> 29% |
| 2026-01-10 | 22 | 676.46 -> 677.23 |
Agari Spring Tournament 2024: 29% -> 14% |
| 2026-01-07 | 24 -> 22 | 674.93 -> 676.46 |
Moscow Open Riichi Marathon 2026: 0% -> 100% |
| 2026-01-01 | 24 | 673.91 -> 674.93 |
SPB Riichi Open 2024: 71% -> 57% |
| 2025-12-13 | 24 | 683.11 -> 673.91 |
Moscow Riichi 2024: 86% -> 71% |
| 2025-12-07 | 25 -> 24 | 672.84 -> 683.11 |
Winter Hatiko: 0% -> 100% |
| 2025-11-30 | 25 | 665.14 -> 672.84 |
Final Cup 2025: 0% -> 100% Seihoku spring tournament 2024: 43% -> 29% |
| 2025-11-12 | 25 | 667.12 -> 665.14 |
X Russian Championship: 57% -> 43% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 700 |
|
10/31 | 100% | 3.00 | RR | Moscow Open Riichi Marathon 2026 | Moscow | |
| 2 | 526 |
|
10/20 | 100% | 2.25 | RR | Winter Hatiko | Korolyov | |
| 3 | 774 |
|
8/32 | 100% | 3.00 | RR | Final Cup 2025 | Moscow | |
| 4 | 596 |
|
24/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow | |
| 5 | 1000 |
|
🥇 | 1/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov |
| 6 | 600 |
|
13/31 | 100% | 2.45 | RR | Agari Summer Tournament 2025 | Moscow | |
| 7 | 418 |
|
40/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 8 | 400 |
|
10/16 | 100% | 2.00 | RR | Random not fault | Moscow | |
| 9 | 797 |
|
13/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 10 | 471 |
|
28/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 11 | 214 |
|
34/43 | 86% | 2.60 | RR | Riichi On Ice | Samara | |
| 12 | 798 |
|
19/90 | 71% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 13 | 547 |
|
44/96 | 57% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 14 | 822 |
|
20/108 | 29% | 4.60 | RR | X Russian Championship | Perm | |
| 15 | 326 |
|
32/47 | 29% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 16 | 549 |
|
24/52 | 14% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |