Dedikov Sergey
From Saint Petersburg, Russia
EMA: 15990035
Common russian riichi rating (CRR)
Rating date Jan. 9, 2024 (latest changes Jan. 9, 2024).
90 place (328.49).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (692.31 * 1.80 * 0.57 + 709.68 * 1.80 * 1 + 383.18 * 4 * 1 + 0 + 0) / (1.80 * 0.57 + 1.80 * 1 + 4 * 1 + 1 + 1) = 398.9547511927254
p2 = (383.18 * 4 * 1 + 709.68 * 1.80 * 1 + 692.31 * 1.80 * 0.57) / max_coefficients = 258.0340306196456
score = 398.9547511927254 * 0.5 + 258.0340306196456 * 0.5 = 328.49439090618546
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-01-06 | 94 -> 90 | 323.06 -> 328.49 | |
2024-01-05 | 95 -> 94 | 323.06 | |
2023-12-27 | 89 -> 95 | 333.47 -> 323.06 |
Sun tournament: 71% -> 57% |
2023-12-19 | 93 -> 89 | 333.47 | |
2023-12-12 | 95 -> 93 | 333.47 | |
2023-11-28 | 99 -> 95 | 333.47 | |
2023-11-26 | 95 -> 99 | 334.38 -> 333.47 | |
2023-11-20 | 98 -> 95 | 334.38 | |
2023-11-06 | 102 -> 98 | 329.06 -> 334.38 | |
2023-11-05 | 99 -> 102 | 329.06 |
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 | 57% | 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 |