Aleksandrov Denis
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Jan. 7, 2025 (latest changes Jan. 7, 2025).
46 place (558.43).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (859.81 * 4 * 0.57 + 444.44 * 2.30 * 0.71 + 333.33 * 2.90 * 0.86 + 1000 * 2.30 * 1 + 431.37 * 3.05 * 1 + 717.39 * 2.10 * 1 + 598.13 * 4.60 * 1 + 64.52 * 1.80 * 1 + 568.63 * 3.05 * 1 + 242.11 * 3.85 * 1 + 707.87 * 3.75 * 1 + 129.03 * 3.10 * 1) / (4 * 0.57 + 2.30 * 0.71 + 2.90 * 0.86 + 2.30 * 1 + 3.05 * 1 + 2.10 * 1 + 4.60 * 1 + 1.80 * 1 + 3.05 * 1 + 3.85 * 1 + 3.75 * 1 + 3.10 * 1) = 506.68840668334997
p2 = (598.13 * 4.60 * 1 + 707.87 * 3.75 * 1 + 1000 * 2.30 * 1 + 859.81 * 4 * 0.57) / max_coefficients = 610.1627760252366
score = 506.68840668334997 * 0.5 + 610.1627760252366 * 0.5 = 558.4255913542933
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-07 | 41 -> 46 | 577.36 -> 558.43 |
Moscow Open Riichi Marathon: 0% -> 100% |
| 2025-01-05 | 41 | 576.83 -> 577.36 |
Finding Dora: 86% -> 71% |
| 2025-01-03 | 38 -> 41 | 595.18 -> 576.83 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-25 | 39 -> 38 | 595.18 | |
| 2024-12-01 | 38 -> 39 | 595.18 | |
| 2024-11-26 | 39 -> 38 | 593.79 -> 595.18 |
Autumn Agari tournament: 100% -> 86% |
| 2024-11-05 | 41 -> 39 | 593.28 -> 593.79 |
Finding Dora: 100% -> 86% |
| 2024-11-03 | 36 -> 41 | 611.48 -> 593.28 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-18 | 37 -> 36 | 611.48 | |
| 2024-10-13 | 40 -> 37 | 578.79 -> 611.48 |
Moscow Riichi 2024: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 129 |
|
28/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon |
| 2 | 708 |
|
27/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 3 | 242 |
|
73/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 4 | 76 |
|
74/80 | 100% | 3.65 | RR | Riichi over Volga |
| 5 | 569 |
|
23/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
| 6 | 65 |
|
30/32 | 100% | 1.80 | CRR | "Green Dragon" in the Secret Chamber |
| 7 | 598 |
|
44/108 | 100% | 4.60 | RR | X Russian Championship |
| 8 | 717 |
|
14/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 9 | 431 |
|
30/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 10 | 1000 |
|
1/28 | 100% | 2.30 | CRR | Chasing Kan |
| 11 | 333 |
|
27/40 | 86% | 2.90 | CRR | Autumn Agari tournament |
| 12 | 444 |
|
16/28 | 71% | 2.30 | CRR | Finding Dora |
| 13 | 860 |
|
16/108 | 57% | 4.00 | RR | SPB Riichi Open 2023 |