Ryabov Aleksandr
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).
26 place (637.39).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (347.83 * 2.80 * 0.29 + 436.78 * 3.75 * 0.57 + 831.78 * 4 * 0.86 + 363.64 * 2.10 * 1 + 897.44 * 2.90 * 1 + 352.94 * 3.05 * 1 + 925.23 * 4.60 * 1 + 387.10 * 1.80 * 1 + 221.05 * 3.85 * 1) / (2.80 * 0.29 + 3.75 * 0.57 + 4 * 0.86 + 2.10 * 1 + 2.90 * 1 + 3.05 * 1 + 4.60 * 1 + 1.80 * 1 + 3.85 * 1) = 580.1271203444028
p2 = (925.23 * 4.60 * 1 + 831.78 * 4 * 0.86 + 897.44 * 2.90 * 1 + 352.94 * 3.05 * 1) / max_coefficients = 694.6472270163056
score = 580.1271203444028 * 0.5 + 694.6472270163056 * 0.5 = 637.3871736803542
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-10-11 | 28 -> 26 | 638.87 -> 637.39 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-07 | 28 | 638.87 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 221 |
|
75/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 2 | 387 |
|
20/32 | 100% | 1.80 | CRR | "Green Dragon" in the Secret Chamber | Korolyov | |
| 3 | 925 |
|
9/108 | 100% | 4.60 | RR | X Russian Championship | Perm | |
| 4 | 353 |
|
34/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 5 | 897 |
|
5/40 | 100% | 2.90 | CRR | Autumn Agari tournament | Moscow | |
| 6 | 364 |
|
15/23 | 100% | 2.10 | CRR | Mushroom League | Moscow | |
| 7 | 832 |
|
19/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 8 | 437 |
|
50/88 | 57% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 9 | 348 |
|
16/24 | 29% | 2.80 | CRR | Meeting in the billiard room | Moscow | |
| 10 | 595 |
|
46/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |