Dergunov Aleksey

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 28, 2023 (latest changes Sept. 28, 2023).

104 place (315.22).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (510.64 * 3.10 * 0.29 + 611.94 * 3.50 * 0.43 + 486.49 * 4.05 * 0.71 + 252.87 * 3.75 * 1 + 214.95 * 4 * 1) / (3.10 * 0.29 + 3.50 * 0.43 + 4.05 * 0.71 + 3.75 * 1 + 4 * 1) = 351.9679844896089

p2 = (486.49 * 4.05 * 0.71 + 252.87 * 3.75 * 1 + 611.94 * 3.50 * 0.43 + 214.95 * 4 * 1) / max_coefficients = 278.477644047682

score = 351.9679844896089 * 0.5 + 278.477644047682 * 0.5 = 315.2228142686455

Rating changes

Show

all results
Date Place Points Reason
2023-09-28 105 -> 104 315.22
2023-09-20 99 -> 105 330.33 -> 315.22

Tenpai can't buy happiness: 57% -> 43%
2023-09-09 100 -> 99 330.33
2023-09-03 78 -> 100 339.23 -> 330.33

SPB Riichi Open 2023: 0% -> 100%
2023-08-27 77 -> 78 339.23
2023-08-19 73 -> 77 350.09 -> 339.23

Agari team tournament: 43% -> 29%
2023-08-12 75 -> 73 356.10 -> 350.09

Moscow Riichi 2022: 86% -> 71%
2023-07-20 71 -> 75 371.41 -> 356.10

Tenpai can't buy happiness: 71% -> 57%
2023-07-03 72 -> 71 371.41
2023-06-19 70 -> 72 381.28 -> 371.41

Agari team tournament: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 215 2023-09-03 85/108 100% 4.00 RR SPB Riichi Open 2023
2 253 2023-06-11 66/88 100% 3.75 RR Money can not buy tenpai
3 486 2022-06-12 58/112 71% 4.05 RR Moscow Riichi 2022
4 612 2022-03-20 27/68 43% 3.50 RR Tenpai can't buy happiness
5 511 2021-12-19 24/48 29% 3.10 RR Agari team tournament