Dedikov Sergey
From Saint Petersburg, Russia
EMA: 15990035
Common russian riichi rating (CRR)
Rating date April 27, 2024 (latest changes April 27, 2024).
96 place (281.80).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (692.31 * 1.80 * 0.29 + 709.68 * 1.80 * 0.71 + 383.18 * 4 * 1 + 0 + 0) / (1.80 * 0.29 + 1.80 * 0.71 + 4 * 1 + 1 + 1) = 359.1282051282051
p2 = (383.18 * 4 * 1 + 709.68 * 1.80 * 0.71 + 692.31 * 1.80 * 0.29) / max_coefficients = 204.4671532846715
score = 359.1282051282051 * 0.5 + 204.4671532846715 * 0.5 = 281.79767920643826
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-27 | 94 -> 96 | 293.61 -> 281.80 |
Sun tournament: 43% -> 29% |
| 2024-04-25 | 92 -> 94 | 305.53 -> 293.61 |
Earth cup: 86% -> 71% |
| 2024-03-30 | 90 -> 92 | 305.53 | |
| 2024-03-20 | 92 -> 90 | 305.53 | |
| 2024-03-10 | 89 -> 92 | 311.28 -> 305.53 | |
| 2024-03-06 | 91 -> 89 | 305.95 -> 311.28 | |
| 2024-02-27 | 91 | 317.15 -> 305.95 |
Sun tournament: 57% -> 43% |
| 2024-02-25 | 88 -> 91 | 328.49 -> 317.15 |
Earth cup: 100% -> 86% |
| 2024-02-12 | 90 -> 88 | 328.49 | |
| 2024-01-06 | 94 -> 90 | 323.06 -> 328.49 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 383 |
|
67/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 710 |
|
10/32 | 71% | 1.80 | CRR | Earth cup |
| 3 | 692 |
|
13/40 | 29% | 1.80 | CRR | Sun tournament |
| 4 | 620 |
|
28/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
| 5 | 963 |
|
2/28 | 0% | 2.30 | EMA | Saint Petersburg Riichi tournament |
| 6 | 789 |
|
5/20 | 0% | 1.30 | EMA | Russian Open Riichi Championship 2012 |
| 7 | 448 |
|
38/68 | 0% | 2.40 | EMA | Riichi Dutch Championship 2011 |
| 8 | 971 |
|
2/36 | 0% | 0.90 | EMA | Moscow Riichi 2011 |
| 9 | 1000 |
|
1/64 | 0% | 2.35 | EMA | Paris Open 2011 - French Championship |
| 10 | 741 |
|
8/28 | 0% | 0.70 | EMA | Red Fives Tournament 2010 |