Dergunov Aleksey

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).

99 place (330.33).

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 * 0.57 + 486.49 * 4.05 * 0.71 + 252.87 * 3.75 * 1 + 214.95 * 4 * 1) / (3.10 * 0.29 + 3.50 * 0.57 + 4.05 * 0.71 + 3.75 * 1 + 4 * 1) = 361.57263729087174

p2 = (486.49 * 4.05 * 0.71 + 611.94 * 3.50 * 0.57 + 252.87 * 3.75 * 1 + 214.95 * 4 * 1) / max_coefficients = 299.08343475658256

score = 361.57263729087174 * 0.5 + 299.08343475658256 * 0.5 = 330.3280360237271

Rating changes

Show

all results
Date Place Points Reason
2023-09-03 77 -> 99 339.23 -> 330.33

SPB Riichi Open 2023: 0% -> 100%
2023-08-27 76 -> 77 339.23
2023-08-19 72 -> 76 350.09 -> 339.23

Agari team tournament: 43% -> 29%
2023-08-12 74 -> 72 356.10 -> 350.09

Moscow Riichi 2022: 86% -> 71%
2023-07-20 70 -> 74 371.41 -> 356.10

Tenpai can't buy happiness: 71% -> 57%
2023-07-03 71 -> 70 371.41
2023-06-19 69 -> 71 381.28 -> 371.41

Agari team tournament: 57% -> 43%
2023-06-12 67 -> 69 385.60 -> 381.28

Moscow Riichi 2022: 100% -> 86%
2023-06-11 59 -> 67 375.91 -> 385.60

Money can not buy tenpai: 0% -> 100%
2023-05-20 59 385.29 -> 375.91

Tenpai can't buy happiness: 86% -> 71%

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 57% 3.50 RR Tenpai can't buy happiness
5 511 2021-12-19 24/48 29% 3.10 RR Agari team tournament