Dergunov Aleksey

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Oct. 19, 2023 (latest changes Oct. 19, 2023).

84 place (304.84).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417

p1 = (510.64 * 3.10 * 0.14 + 611.94 * 3.50 * 0.43 + 486.49 * 4.05 * 0.57 + 252.87 * 3.75 * 1 + 214.95 * 4 * 1) / (3.10 * 0.14 + 3.50 * 0.43 + 4.05 * 0.57 + 3.75 * 1 + 4 * 1) = 339.6345211147256

p2 = (486.49 * 4.05 * 0.57 + 252.87 * 3.75 * 1 + 611.94 * 3.50 * 0.43 + 214.95 * 4 * 1) / max_coefficients = 270.0381445257593

score = 339.6345211147256 * 0.5 + 270.0381445257593 * 0.5 = 304.83633282024243

Rating changes

Show

Date Place Points Reason
2023-10-19 84 307.88 -> 304.84

Agari team tournament: 29% -> 14%

2023-10-12 84 315.22 -> 307.88

Moscow Riichi 2022: 71% -> 57%

2023-09-28 85 -> 84 315.22
2023-09-20 79 -> 85 330.33 -> 315.22

Tenpai can't buy happiness: 57% -> 43%

2023-09-06 80 -> 79 330.33
2023-09-03 61 -> 80 348.43 -> 330.33

SPB Riichi Open 2023: 0% -> 100%

2023-08-19 60 -> 61 359.82 -> 348.43

Agari team tournament: 43% -> 29%

2023-08-12 57 -> 60 365.62 -> 359.82

Moscow Riichi 2022: 86% -> 71%

2023-07-28 60 -> 57 365.62
2023-07-20 55 -> 60 375.08 -> 365.62

Tenpai can't buy happiness: 71% -> 57%

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 57% 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 14% 3.10 RR Agari team tournament