Aleksandrov Denis
From Moscow, Russia
Internal rating (RR)
Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).
29 place (669.08).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (431.37 * 3.05 * 0.57 + 717.39 * 2.10 * 0.57 + 598.13 * 4.60 * 0.71 + 568.63 * 3.05 * 0.71 + 242.11 * 3.85 * 0.86 + 707.87 * 3.75 * 1 + 129.03 * 3.10 * 1 + 666.67 * 2.60 * 1 + 941.18 * 3.05 * 1 + 508.47 * 3.25 * 1 + 428.57 * 1.90 * 1 + 728.57 * 3.50 * 1 + 465.12 * 3 * 1 + 909.09 * 3.45 * 1) / (3.05 * 0.57 + 2.10 * 0.57 + 4.60 * 0.71 + 3.05 * 0.71 + 3.85 * 0.86 + 3.75 * 1 + 3.10 * 1 + 2.60 * 1 + 3.05 * 1 + 3.25 * 1 + 1.90 * 1 + 3.50 * 1 + 3 * 1 + 3.45 * 1) = 580.6257113883705
p2 = (909.09 * 3.45 * 1 + 941.18 * 3.05 * 1 + 707.87 * 3.75 * 1 + 728.57 * 3.50 * 1) / max_coefficients = 757.5297297297298
score = 580.6257113883705 * 0.5 + 757.5297297297298 * 0.5 = 669.0777205590501
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 29 | 671.08 -> 669.08 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 31 -> 29 | 658.78 -> 671.08 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 43 -> 31 | 604.91 -> 658.78 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-09 | 43 | 605.02 -> 604.91 |
Agari Summer Tournament 2024: 86% -> 71% |
| 2025-08-04 | 44 -> 43 | 601.79 -> 605.02 |
Riichi over Volga: 100% -> 86% |
| 2025-08-03 | 42 -> 44 | 605.47 -> 601.79 |
Two roosters and Chuckles: 0% -> 100% |
| 2025-07-30 | 42 | 606.16 -> 605.47 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-14 | 43 -> 42 | 606.16 | |
| 2025-07-13 | 41 -> 43 | 606.16 | |
| 2025-07-12 | 38 -> 41 | 612.97 -> 606.16 |
X Russian Championship: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 909 |
|
8/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 465 |
|
24/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 3 | 30 |
|
66/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 4 | 729 |
|
20/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 5 | 429 |
|
21/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 6 | 508 |
|
30/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 7 | 941 |
|
4/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 8 | 667 |
|
15/43 | 100% | 2.60 | RR | Riichi On Ice | Samara | |
| 9 | 129 |
|
28/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon | Moscow | |
| 10 | 708 |
|
27/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 11 | 242 |
|
73/96 | 86% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 12 | 76 |
|
74/80 | 86% | 3.65 | RR | Riichi over Volga | Samara | |
| 13 | 569 |
|
23/52 | 71% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 14 | 598 |
|
44/108 | 71% | 4.60 | RR | X Russian Championship | Perm | |
| 15 | 717 |
|
14/47 | 57% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 16 | 431 |
|
30/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 17 | 860 |
|
16/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |