Zakharenkov Maksim

From Saint Petersburg, Russia

EMA: 15990292

Player page

Internal rating (RR)

Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).

225 place (35.90).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (195.65 * 2.10 * 0.29 + 73.68 * 3.85 * 0.71 + 0 + 0 + 0) / (2.10 * 0.29 + 3.85 * 0.71 + 1 + 1 + 1) = 50.39822677863472

p2 = (73.68 * 3.85 * 0.71 + 195.65 * 2.10 * 0.29) / max_coefficients = 21.4066889632107

score = 50.39822677863472 * 0.5 + 21.4066889632107 * 0.5 = 35.90245787092271

Rating changes

Show

all results
Date Place Points Reason
2025-12-07 221 -> 225 35.90
2025-11-30 220 -> 221 41.14 -> 35.90

Seihoku spring tournament 2024: 43% -> 29%
2025-11-04 213 -> 220 41.72 -> 41.14
2025-11-01 213 43.72 -> 41.72

SPB Riichi Open 2024: 86% -> 71%
2025-10-13 213 43.28 -> 43.72
2025-09-30 211 -> 213 48.01 -> 43.28

Seihoku spring tournament 2024: 57% -> 43%
2025-09-03 217 -> 211 48.01
2025-09-01 217 49.26 -> 48.01

SPB Riichi Open 2024: 100% -> 86%
2025-08-31 209 -> 217 49.26
2025-08-04 209 49.09 -> 49.26

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 74 2024-09-01 89/96 71% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
2 196 2024-03-30 38/47 29% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
3 240 2021-11-28 58/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
4 857 2019-11-24 10/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
5 675 2017-12-11 28/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
6 231 2017-10-01 31/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
7 77 2017-06-03 37/40 0% 1.80 RR Saint Petersburg championship. West cup 2017 Saint Petersburg
8 0 2017-03-18 44/44 0% 1.90 RR Saint Petersburg championship. South cup 2017 Saint Petersburg
9 873 2016-12-04 10/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
10 258 2016-10-16 24/32 0% 1.60 RR Tournament of 4 winds. West cup 2016 Saint Petersburg
11 613 2016-03-27 13/32 0% 1.60 RR Tournament of 4 winds. East cup 2016 Saint Petersburg
12 267 2015-12-06 12/16 0% 2.00 RR Two-day tournament of Saint Petersburg riichi mahjong league Saint Petersburg
13 632 2015-11-15 8/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league Saint Petersburg