Dedikov Sergey
From Saint Petersburg, Russia
EMA: 15990035
Common russian riichi rating (CRR)
Rating date Dec. 18, 2023 (latest changes Dec. 18, 2023).
93 place (333.47).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
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 = 259.6706484713491
score = 407.2601681315996 * 0.5 + 259.6706484713491 * 0.5 = 333.4654083014743
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
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 |
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 |