Kosolapov Nikita

From Kirov, Russia

EMA: 15990426

Player page

Internal rating (RR)

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

117 place (353.70).

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

p1 = (607.48 * 4.60 * 0.86 + 37.97 * 3.65 * 1 + 641.79 * 4.10 * 1 + 0 + 0) / (4.60 * 0.86 + 3.65 * 1 + 4.10 * 1 + 1 + 1) = 377.21085603527735

p2 = (641.79 * 4.10 * 1 + 607.48 * 4.60 * 0.86 + 37.97 * 3.65 * 1) / max_coefficients = 330.18808821517564

score = 377.21085603527735 * 0.5 + 330.18808821517564 * 0.5 = 353.6994721252265

Rating changes

Show

all results
Date Place Points Reason
2025-06-15 156 -> 117 202.98 -> 353.70

13 bloody tiles: 0% -> 100%
2025-06-11 157 -> 156 229.75 -> 202.98

Money can not buy tenpai: 14% -> 0%
2025-05-30 158 -> 157 229.75
2025-05-12 152 -> 158 248.64 -> 229.75

X Russian Championship: 100% -> 86%
2025-05-03 151 -> 152 248.64
2025-04-26 149 -> 151 248.64
2025-04-11 141 -> 149 261.22 -> 248.64

Money can not buy tenpai: 29% -> 14%
2025-03-03 142 -> 141 261.22
2025-03-02 137 -> 142 261.22
2025-02-16 129 -> 137 261.22

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 642 2025-06-15 25/68 100% 4.10 RR 13 bloody tiles Perm
2 38 2024-08-04 77/80 100% 3.65 RR Riichi over Volga Samara
3 607 2024-05-12 43/108 86% 4.60 RR X Russian Championship Perm
4 483 2023-06-11 46/88 0% 3.75 RR Money can not buy tenpai Perm
5 836 2021-11-06 10/56 0% 3.30 RR Kirov Tournament Kirov
6 821 2020-03-08 8/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
7 153 2019-12-15 95/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
8 825 2019-11-04 12/64 0% 3.85 EMA Aki Shanten 2019 Perm
9 148 2019-09-08 24/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
10 200 2019-07-21 29/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
11 410 2019-05-04 50/84 0% 4.20 EMA Haru Shanten 2019 Perm
12 783 2019-03-09 6/24 0% 2.50 RR Toi-Toi-man Tournament Kirov
13 737 2019-02-10 6/20 0% 2.10 RR Fuyu Shanten 2019 Perm