Rogozin Leonid

From Perm, Russia

EMA: 15020051

Player page

Internal rating (RR)

Rating date June 15, 2025 (latest changes June 15, 2025).

33 place (644.81).

max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266

p1 = (803.74 * 4.60 * 0.86 + 974.68 * 3.65 * 1 + 728.81 * 3.25 * 1 + 0 + 0) / (4.60 * 0.86 + 3.65 * 1 + 3.25 * 1 + 1 + 1) = 708.1944083235094

p2 = (974.68 * 3.65 * 1 + 803.74 * 4.60 * 0.86 + 728.81 * 3.25 * 1) / max_coefficients = 581.4292454096682

score = 708.1944083235094 * 0.5 + 581.4292454096682 * 0.5 = 644.8118268665887

Rating changes

Show

all results
Date Place Points Reason
2025-06-15 28 -> 33 653.42 -> 644.81
2025-06-11 13 -> 28 703.72 -> 653.42

Money can not buy tenpai: 14% -> 0%
2025-06-09 16 -> 13 703.72
2025-06-08 15 -> 16 703.72
2025-05-12 14 -> 15 708.00 -> 703.72

X Russian Championship: 100% -> 86%
2025-05-03 12 -> 14 708.00
2025-04-11 11 -> 12 727.19 -> 708.00

Money can not buy tenpai: 29% -> 14%
2025-03-02 12 -> 11 727.19
2025-02-16 26 -> 12 625.71 -> 727.19

White Wolf Cup: 0% -> 100%
2025-02-11 25 -> 26 646.45 -> 625.71

Money can not buy tenpai: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 729 2025-02-16 17/60 100% 3.25 RR White Wolf Cup Saint Petersburg
2 975 2024-08-04 3/80 100% 3.65 RR Riichi over Volga Samara
3 804 2024-05-12 22/108 86% 4.60 RR X Russian Championship Perm
4 943 2023-06-11 6/88 0% 3.75 RR Money can not buy tenpai Perm
5 614 2019-05-04 33/84 0% 4.20 EMA Haru Shanten 2019 Perm
6 121 2018-11-18 81/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
7 362 2018-08-19 31/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
8 630 2018-08-11 11/28 0% 1.70 RR Natsu Shanten 2018 Perm
9 957 2018-07-28 2/24 0% 1.40 RR Seven ryanmens Kirov
10 113 2018-06-11 64/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
11 972 2018-05-01 3/72 0% 3.85 EMA Haru Shanten 2018 Perm
12 926 2018-02-17 3/28 0% 1.70 RR Fuyu Shanten Perm
13 579 2017-12-24 9/20 0% 2.10 EMA Tyumen Riichi Open 2017 Tyumen
14 408 2017-11-12 43/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
15 87 2017-07-30 22/24 0% 2.20 RR Summer EMA rules tournament 2017 Yekaterinburg
16 1000 2017-06-03 1/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017 Perm