Dedikov Sergey
From Saint Petersburg, Russia
EMA: 15990035
Common russian riichi rating (CRR)
Rating date Nov. 3, 2024 (latest changes Nov. 3, 2024).
181 place (160.60).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (709.68 * 1.80 * 0.29 + 383.18 * 4 * 0.71 + 0 + 0 + 0) / (1.80 * 0.29 + 4 * 0.71 + 1 + 1 + 1) = 229.1107532653426
p2 = (383.18 * 4 * 0.71 + 709.68 * 1.80 * 0.29) / max_coefficients = 92.09905362776026
score = 229.1107532653426 * 0.5 + 92.09905362776026 * 0.5 = 160.60490344655142
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-11-03 | 175 -> 181 | 173.85 -> 160.60 |
SPB Riichi Open 2023: 86% -> 71% |
2024-10-27 | 174 -> 175 | 173.85 | |
2024-10-26 | 175 -> 174 | 173.85 | |
2024-10-25 | 171 -> 175 | 187.96 -> 173.85 |
Earth cup: 43% -> 29% |
2024-10-13 | 159 -> 171 | 189.18 -> 187.96 | |
2024-09-15 | 157 -> 159 | 189.18 | |
2024-09-06 | 158 -> 157 | 189.18 | |
2024-09-03 | 156 -> 158 | 198.44 -> 189.18 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 147 -> 156 | 201.82 -> 198.44 | |
2024-08-26 | 139 -> 147 | 234.45 -> 201.82 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 383 |
|
67/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 710 |
|
10/32 | 29% | 1.80 | CRR | Earth cup |
3 | 692 |
|
13/40 | 0% | 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 |