Dedikov Sergey

From Saint Petersburg, Russia

EMA: 15990035

Player page

Common russian riichi rating (CRR)

Rating date Sept. 6, 2023 (latest changes Sept. 6, 2023).

95 place (338.19).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (692.31 * 1.80 * 0.86 + 709.68 * 1.80 * 1 + 383.18 * 4 * 1 + 0 + 0) / (1.80 * 0.86 + 1.80 * 1 + 4 * 1 + 1 + 1) = 415.1023571142636

p2 = (383.18 * 4 * 1 + 709.68 * 1.80 * 1 + 692.31 * 1.80 * 0.86) / max_coefficients = 261.2835820996078

score = 415.1023571142636 * 0.5 + 261.2835820996078 * 0.5 = 338.1929696069357

Rating changes

Show

all results
Date Place Points Reason
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
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

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 383 2023-09-03 67/108 100% 4.00 RR SPB Riichi Open 2023
2 710 2023-02-25 10/32 100% 1.80 CRR Earth cup
3 692 2022-08-27 13/40 86% 1.80 CRR Sun tournament
4 620 2013-12-08 28/72 0% 3.25 EMA Russian Riichi Championship 2013
5 963 2013-02-17 2/28 0% 2.30 EMA Saint Petersburg Riichi tournament
6 789 2012-08-12 5/20 0% 1.30 EMA Russian Open Riichi Championship 2012
7 448 2011-09-18 38/68 0% 2.40 EMA Riichi Dutch Championship 2011
8 971 2011-04-23 2/36 0% 0.90 EMA Moscow Riichi 2011
9 1000 2011-03-20 1/64 0% 2.35 EMA Paris Open 2011 - French Championship
10 741 2010-10-24 8/28 0% 0.70 EMA Red Fives Tournament 2010