Dedikov Sergey
From Saint Petersburg, Russia
EMA: 15990035
Common russian riichi rating (CRR)
Rating date Oct. 27, 2023 (latest changes Oct. 27, 2023).
99 place (329.06).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75
p1 = (692.31 * 1.80 * 0.71 + 709.68 * 1.80 * 1 + 383.18 * 4 * 1 + 0 + 0) / (1.80 * 0.71 + 1.80 * 1 + 4 * 1 + 1 + 1) = 407.2601681315996
p2 = (383.18 * 4 * 1 + 709.68 * 1.80 * 1 + 692.31 * 1.80 * 0.71) / max_coefficients = 250.86508474576272
score = 407.2601681315996 * 0.5 + 250.86508474576272 * 0.5 = 329.06262643868115
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-10-27 | 94 -> 99 | 339.02 -> 329.06 |
Sun tournament: 86% -> 71% |
2023-10-22 | 91 -> 94 | 339.02 | |
2023-10-19 | 93 -> 91 | 339.02 | |
2023-10-12 | 94 -> 93 | 338.19 -> 339.02 | |
2023-09-28 | 95 -> 94 | 338.19 | |
2023-09-05 | 96 -> 95 | 338.19 | |
2023-09-03 | 105 -> 96 | 270.86 -> 338.19 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-27 | 98 -> 105 | 283.67 -> 270.86 |
Sun tournament: 100% -> 86% |
2023-08-26 | 97 -> 98 | 283.67 | |
2023-08-19 | 98 -> 97 | 283.67 |
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 | 100% | 1.80 | CRR | Earth cup |
3 | 692 |
|
13/40 | 71% | 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 |