Ryabov Aleksandr
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date March 20, 2024 (latest changes March 20, 2024).
19 place (600.10).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (363.64 * 2.10 * 1 + 594.59 * 4.05 * 0.29 + 347.83 * 2.80 * 0.71 + 436.78 * 3.75 * 1 + 831.78 * 4 * 1 + 897.44 * 2.90 * 1 + 352.94 * 3.05 * 1) / (2.10 * 1 + 4.05 * 0.29 + 2.80 * 0.71 + 3.75 * 1 + 4 * 1 + 2.90 * 1 + 3.05 * 1) = 569.2514028366642
p2 = (831.78 * 4 * 1 + 897.44 * 2.90 * 1 + 436.78 * 3.75 * 1 + 352.94 * 3.05 * 1) / max_coefficients = 630.9532846715327
score = 569.2514028366642 * 0.5 + 630.9532846715327 * 0.5 = 600.1023437540985
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-10 | 14 -> 19 | 624.57 -> 600.10 |
Agari Spring Tournament 2024: 0% -> 100% |
| 2024-03-06 | 16 -> 14 | 610.54 -> 624.57 | |
| 2024-02-27 | 15 -> 16 | 610.54 | |
| 2024-02-18 | 19 -> 15 | 609.92 -> 610.54 |
Meeting in the billiard room: 86% -> 71% |
| 2024-02-12 | 15 -> 19 | 616.98 -> 609.92 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-06 | 18 -> 15 | 603.72 -> 616.98 | |
| 2023-12-19 | 20 -> 18 | 603.72 | |
| 2023-12-18 | 21 -> 20 | 600.76 -> 603.72 |
Meeting in the billiard room: 100% -> 86% |
| 2023-12-12 | 17 -> 21 | 612.77 -> 600.76 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 19 -> 17 | 612.77 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 353 |
|
34/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 2 | 897 |
|
5/40 | 100% | 2.90 | CRR | Autumn Agari tournament |
| 3 | 364 |
|
15/23 | 100% | 2.10 | CRR | Mushroom League |
| 4 | 832 |
|
19/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 5 | 437 |
|
50/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 6 | 348 |
|
16/24 | 71% | 2.80 | CRR | Meeting in the billiard room |
| 7 | 595 |
|
46/112 | 29% | 4.05 | RR | Moscow Riichi 2022 |