Dergunov Aleksey

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 1, 2023 (latest changes Oct. 1, 2023).

103 place (315.22).

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

p1 = (486.49 * 4.05 * 0.71 + 252.87 * 3.75 * 1 + 214.95 * 4 * 1 + 611.94 * 3.50 * 0.43 + 510.64 * 3.10 * 0.29) / (4.05 * 0.71 + 3.75 * 1 + 4 * 1 + 3.50 * 0.43 + 3.10 * 0.29) = 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
2023-09-28 104 -> 103 315.22
2023-09-20 98 -> 104 330.33 -> 315.22

Tenpai can't buy happiness: 57% -> 43%
2023-09-09 99 -> 98 330.33
2023-09-03 77 -> 99 339.23 -> 330.33

SPB Riichi Open 2023: 0% -> 100%
2023-09-01 77 339.23

Tournaments

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