Dedikov Sergey

From Saint Petersburg, Russia

EMA: 15990035

Player page

Common russian riichi rating (CRR)

Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).

159 place (189.18).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (709.68 * 1.80 * 0.43 + 383.18 * 4 * 0.86 + 0 + 0 + 0) / (1.80 * 0.43 + 4 * 0.86 + 1 + 1 + 1) = 258.50291949310264

p2 = (383.18 * 4 * 0.86 + 709.68 * 1.80 * 0.43) / max_coefficients = 119.85716493650345

score = 258.50291949310264 * 0.5 + 119.85716493650345 * 0.5 = 189.18004221480305

Rating changes

Show

all results
Date Place Points Reason
2024-09-15 157 -> 159 189.18
2024-09-06 158 -> 157 189.18
2024-09-03 156 -> 158 198.44 -> 189.18

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 147 -> 156 201.82 -> 198.44
2024-08-26 139 -> 147 234.45 -> 201.82
2024-08-25 134 -> 139 247.26 -> 234.45

Earth cup: 57% -> 43%
2024-08-22 135 -> 134 247.26
2024-08-20 136 -> 135 247.26
2024-08-18 135 -> 136 247.26
2024-08-11 135 246.41 -> 247.26

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 383 2023-09-03 67/108 86% 4.00 RR SPB Riichi Open 2023
2 710 2023-02-25 10/32 43% 1.80 CRR Earth cup
3 692 2022-08-27 13/40 0% 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