Kosolapov Nikita

From Kirov, Russia

EMA: 15990426

Player page

Common russian riichi rating (CRR)

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

115 place (394.80).

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 + 473.68 * 1.50 * 1 + 641.79 * 4.10 * 1 + 0) / (4.60 * 0.86 + 3.65 * 1 + 1.50 * 1 + 4.10 * 1 + 1) = 413.9851162502308

p2 = (641.79 * 4.10 * 1 + 607.48 * 4.60 * 0.86 + 473.68 * 1.50 * 1 + 37.97 * 3.65 * 1) / max_coefficients = 375.6106697965691

score = 413.9851162502308 * 0.5 + 375.6106697965691 * 0.5 = 394.7978930234

Rating changes

Show

all results
Date Place Points Reason
2025-06-15 181 -> 115 253.00 -> 394.80

13 bloody tiles: 0% -> 100%
2025-06-14 178 -> 181 253.00
2025-06-11 170 -> 178 280.07 -> 253.00

Money can not buy tenpai: 14% -> 0%
2025-06-09 169 -> 170 280.07
2025-05-30 171 -> 169 280.07
2025-05-17 169 -> 171 280.07
2025-05-12 154 -> 169 295.98 -> 280.07

X Russian Championship: 100% -> 86%
2025-05-05 155 -> 154 295.98
2025-05-03 151 -> 155 295.98
2025-04-27 148 -> 151 295.98

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
2 474 2025-01-04 11/20 100% 1.50 CRR Dirty Riichi Kirov
3 38 2024-08-04 77/80 100% 3.65 RR Riichi over Volga Samara
4 607 2024-05-12 43/108 86% 4.60 RR X Russian Championship Perm
5 483 2023-06-11 46/88 0% 3.75 RR Money can not buy tenpai Perm
6 467 2022-08-20 9/16 0% 1.20 CRR I still can declare riichi Kirov
7 836 2021-11-06 10/56 0% 3.30 RR Kirov Tournament Kirov
8 821 2020-03-08 8/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
9 153 2019-12-15 95/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
10 825 2019-11-04 12/64 0% 3.85 EMA Aki Shanten 2019 Perm
11 148 2019-09-08 24/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
12 200 2019-07-21 29/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
13 410 2019-05-04 50/84 0% 4.20 EMA Haru Shanten 2019 Perm
14 783 2019-03-09 6/24 0% 2.50 RR Toi-Toi-man Tournament Kirov
15 737 2019-02-10 6/20 0% 2.10 RR Fuyu Shanten 2019 Perm