Dedikov Sergey

From Saint Petersburg, Russia

EMA: 15990035

Player page

Common russian riichi rating (CRR)

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

181 place (160.60).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (709.68 * 1.80 * 0.29 + 383.18 * 4 * 0.71 + 0 + 0 + 0) / (1.80 * 0.29 + 4 * 0.71 + 1 + 1 + 1) = 229.1107532653426

p2 = (383.18 * 4 * 0.71 + 709.68 * 1.80 * 0.29) / max_coefficients = 92.09905362776026

score = 229.1107532653426 * 0.5 + 92.09905362776026 * 0.5 = 160.60490344655142

Rating changes

Show

all results
Date Place Points Reason
2024-11-05 184 -> 181 160.60
2024-11-04 182 -> 184 160.60
2024-11-03 176 -> 182 173.85 -> 160.60

SPB Riichi Open 2023: 86% -> 71%
2024-10-27 175 -> 176 173.85
2024-10-26 176 -> 175 173.85
2024-10-25 172 -> 176 187.96 -> 173.85

Earth cup: 43% -> 29%
2024-10-13 160 -> 172 189.18 -> 187.96
2024-09-15 158 -> 160 189.18
2024-09-06 159 -> 158 189.18
2024-09-03 157 -> 159 198.44 -> 189.18

SPB Riichi Open 2023: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 383 2023-09-03 67/108 71% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 710 2023-02-25 10/32 29% 1.80 CRR Earth cup Saint Petersburg
3 692 2022-08-27 13/40 0% 1.80 CRR Sun tournament Saint Petersburg
4 620 2013-12-08 28/72 0% 3.25 EMA Russian Riichi Championship 2013 Moscow
5 963 2013-02-17 🥈 2/28 0% 2.30 EMA Saint Petersburg Riichi tournament Saint Petersburg
6 789 2012-08-12 5/20 0% 1.30 EMA Russian Open Riichi Championship 2012 Moscow
7 448 2011-09-18 38/68 0% 2.40 EMA Riichi Dutch Championship 2011 Utrecht
8 971 2011-04-23 🥈 2/36 0% 0.90 EMA Moscow Riichi 2011 Moscow
9 1000 2011-03-20 🥇 1/64 0% 2.35 EMA Paris Open 2011 - French Championship Paris
10 741 2010-10-24 8/28 0% 0.70 EMA Red Fives Tournament 2010 Doetinchem