Dedikov Sergey

From Saint Petersburg, Russia

EMA: 15990035

Player page

Common russian riichi rating (CRR)

Rating date Jan. 14, 2024 (latest changes Jan. 14, 2024).

90 place (328.49).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002

p1 = (692.31 * 1.80 * 0.57 + 709.68 * 1.80 * 1 + 383.18 * 4 * 1 + 0 + 0) / (1.80 * 0.57 + 1.80 * 1 + 4 * 1 + 1 + 1) = 398.9547511927254

p2 = (383.18 * 4 * 1 + 709.68 * 1.80 * 1 + 692.31 * 1.80 * 0.57) / max_coefficients = 258.0340306196456

score = 398.9547511927254 * 0.5 + 258.0340306196456 * 0.5 = 328.49439090618546

Rating changes

Show

all results
Date Place Points Reason
2024-01-06 94 -> 90 323.06 -> 328.49
2024-01-05 95 -> 94 323.06
2023-12-27 89 -> 95 333.47 -> 323.06

Sun tournament: 71% -> 57%
2023-12-19 93 -> 89 333.47
2023-12-12 95 -> 93 333.47
2023-11-28 99 -> 95 333.47
2023-11-26 95 -> 99 334.38 -> 333.47
2023-11-20 98 -> 95 334.38
2023-11-06 102 -> 98 329.06 -> 334.38
2023-11-05 99 -> 102 329.06

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 57% 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