Zakharenkov Maksim

From Saint Petersburg, Russia

EMA: 15990292

Player page

Common russian riichi rating (CRR)

Rating date Sept. 30, 2025 (latest changes Sept. 30, 2025).

280 place (43.28).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (195.65 * 2.10 * 0.43 + 73.68 * 3.85 * 0.86 + 0 + 0 + 0) / (2.10 * 0.43 + 3.85 * 0.86 + 1 + 1 + 1) = 58.23001585439788

p2 = (73.68 * 3.85 * 0.86 + 195.65 * 2.10 * 0.43) / max_coefficients = 28.3277027027027

score = 58.23001585439788 * 0.5 + 28.3277027027027 * 0.5 = 43.278859278550286

Rating changes

Show

all results
Date Place Points Reason
2025-09-30 278 -> 280 48.01 -> 43.28

Seihoku spring tournament 2024: 57% -> 43%
2025-09-03 288 -> 278 48.01
2025-09-01 288 49.26 -> 48.01

SPB Riichi Open 2024: 100% -> 86%
2025-08-31 282 -> 288 49.26
2025-08-26 283 -> 282 49.26
2025-08-25 284 -> 283 49.26
2025-08-04 284 49.09 -> 49.26
2025-08-03 279 -> 284 49.09
2025-08-02 278 -> 279 49.09
2025-07-30 276 -> 278 53.36 -> 49.09

Seihoku spring tournament 2024: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 74 2024-09-01 89/96 86% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
2 196 2024-03-30 38/47 43% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
3 839 2023-02-25 6/32 0% 1.80 CRR Earth cup Saint Petersburg
4 949 2022-08-27 🥉 3/40 0% 1.80 CRR Sun tournament Saint Petersburg
5 240 2021-11-28 58/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
6 857 2019-11-24 10/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
7 675 2017-12-11 28/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
8 231 2017-10-01 31/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
9 77 2017-06-03 37/40 0% 1.80 RR Saint Petersburg championship. West cup 2017 Saint Petersburg
10 0 2017-03-18 44/44 0% 1.90 RR Saint Petersburg championship. South cup 2017 Saint Petersburg
11 873 2016-12-04 10/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
12 258 2016-10-16 24/32 0% 1.60 RR Tournament of 4 winds. West cup 2016 Saint Petersburg
13 613 2016-03-27 13/32 0% 1.60 RR Tournament of 4 winds. East cup 2016 Saint Petersburg
14 267 2015-12-06 12/16 0% 2.00 RR Two-day tournament of Saint Petersburg riichi mahjong league Saint Petersburg
15 632 2015-11-15 8/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league Saint Petersburg