Dedikov Sergey

From Saint Petersburg, Russia

EMA: 15990035

Player page

Common russian riichi rating (CRR)

Rating date March 6, 2024 (latest changes March 6, 2024).

90 place (311.28).

max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988

p1 = (692.31 * 1.80 * 0.43 + 383.18 * 4 * 1 + 709.68 * 1.80 * 0.86 + 0 + 0) / (1.80 * 0.43 + 4 * 1 + 1.80 * 0.86 + 1 + 1) = 380.27316922973296

p2 = (383.18 * 4 * 1 + 709.68 * 1.80 * 0.86 + 692.31 * 1.80 * 0.43) / max_coefficients = 242.27732362289922

score = 380.27316922973296 * 0.5 + 242.27732362289922 * 0.5 = 311.2752464263161

Rating changes

Show

all results
Date Place Points Reason
2024-03-06 92 -> 90 305.95 -> 311.28
2024-02-27 92 317.15 -> 305.95

Sun tournament: 57% -> 43%
2024-02-25 89 -> 92 328.49 -> 317.15

Earth cup: 100% -> 86%
2024-02-12 91 -> 89 328.49
2024-01-06 95 -> 91 323.06 -> 328.49
2024-01-05 96 -> 95 323.06
2023-12-27 90 -> 96 333.47 -> 323.06

Sun tournament: 71% -> 57%
2023-12-19 94 -> 90 333.47
2023-12-12 96 -> 94 333.47
2023-11-28 100 -> 96 333.47

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 86% 1.80 CRR Earth cup
3 692 2022-08-27 13/40 43% 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