Dedikov Sergey

From Saint Petersburg, Russia

EMA: 15990035

Player page

Common russian riichi rating (CRR)

Rating date Aug. 12, 2023 (latest changes Aug. 12, 2023).

98 place (283.67).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999

p1 = (692.31 * 1.80 * 1 + 709.68 * 1.80 * 1 + 0 + 0 + 0) / (1.80 * 1 + 1.80 * 1 + 1 + 1 + 1) = 382.359090909091

p2 = (709.68 * 1.80 * 1 + 692.31 * 1.80 * 1) / max_coefficients = 184.97293283730056

score = 382.359090909091 * 0.5 + 184.97293283730056 * 0.5 = 283.66601187319577

Rating changes

Show

all results
Date Place Points Reason
2023-08-12 99 -> 98 279.90 -> 283.67
2023-07-28 101 -> 99 279.90
2023-07-03 102 -> 101 279.90
2023-06-19 104 -> 102 279.90
2023-06-12 106 -> 104 276.44 -> 279.90
2023-06-11 90 -> 106 284.30 -> 276.44
2023-05-28 91 -> 90 284.30
2023-05-20 92 -> 91 280.99 -> 284.30
2023-05-06 93 -> 92 280.99
2023-05-01 91 -> 93 280.99

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 710 2023-02-25 10/32 100% 1.80 CRR Earth cup
2 692 2022-08-27 13/40 100% 1.80 CRR Sun tournament
3 620 2013-12-08 28/72 0% 3.25 EMA Russian Riichi Championship 2013
4 963 2013-02-17 2/28 0% 2.30 EMA Saint Petersburg Riichi tournament
5 789 2012-08-12 5/20 0% 1.30 EMA Russian Open Riichi Championship 2012
6 448 2011-09-18 38/68 0% 2.40 EMA Riichi Dutch Championship 2011
7 971 2011-04-23 2/36 0% 0.90 EMA Moscow Riichi 2011
8 1000 2011-03-20 1/64 0% 2.35 EMA Paris Open 2011 - French Championship
9 741 2010-10-24 8/28 0% 0.70 EMA Red Fives Tournament 2010