Dedikov Sergey

From Saint Petersburg, Russia

EMA: 15990035

Player page

Common russian riichi rating (CRR)

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

95 place (281.80).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

p1 = (692.31 * 1.80 * 0.29 + 709.68 * 1.80 * 0.71 + 383.18 * 4 * 1 + 0 + 0) / (1.80 * 0.29 + 1.80 * 0.71 + 4 * 1 + 1 + 1) = 359.1282051282051

p2 = (383.18 * 4 * 1 + 709.68 * 1.80 * 0.71 + 692.31 * 1.80 * 0.29) / max_coefficients = 204.4671532846715

score = 359.1282051282051 * 0.5 + 204.4671532846715 * 0.5 = 281.79767920643826

Rating changes

Show

all results
Date Place Points Reason
2024-05-06 97 -> 95 281.80
2024-05-05 96 -> 97 281.80
2024-04-27 94 -> 96 293.61 -> 281.80

Sun tournament: 43% -> 29%
2024-04-25 92 -> 94 305.53 -> 293.61

Earth cup: 86% -> 71%
2024-03-30 90 -> 92 305.53
2024-03-20 92 -> 90 305.53
2024-03-10 89 -> 92 311.28 -> 305.53
2024-03-06 91 -> 89 305.95 -> 311.28
2024-02-27 91 317.15 -> 305.95

Sun tournament: 57% -> 43%
2024-02-25 88 -> 91 328.49 -> 317.15

Earth cup: 100% -> 86%

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 71% 1.80 CRR Earth cup
3 692 2022-08-27 13/40 29% 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