Kaplan Andrey

From Perm, Russia

EMA: 15990439

Player page

Internal rating (RR)

Rating date Sept. 18, 2026 (latest changes Sept. 13, 2026).

97 place (441.88).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (419.35 * 2.40 * 0.43 + 313.43 * 4.10 * 0.71 + 628.57 * 2.50 * 1 + 796.61 * 3.40 * 1 + 0) / (2.40 * 0.43 + 4.10 * 0.71 + 2.50 * 1 + 3.40 * 1 + 1) = 518.4728757781652

p2 = (796.61 * 3.40 * 1 + 628.57 * 2.50 * 1 + 313.43 * 4.10 * 0.71 + 419.35 * 2.40 * 0.43) / max_coefficients = 365.295262816353

score = 518.4728757781652 * 0.5 + 365.295262816353 * 0.5 = 441.8840692972591

Rating changes

Show

all results
Date Place Points Reason
2026-09-13 98 -> 97 441.88
2026-09-06 92 -> 98 441.88
2026-09-03 93 -> 92 441.88
2026-09-02 92 -> 93 445.03 -> 441.88

Riichi Maslenitsa (shrovetide): 57% -> 43%
2026-09-01 93 -> 92 445.03
2026-08-31 94 -> 93 444.42 -> 445.03
2026-08-26 95 -> 94 444.42
2026-08-16 168 -> 95 273.23 -> 444.42

Ufa Championship 2026: 0% -> 100%
2026-08-15 167 -> 168 277.31 -> 273.23

13 bloody tiles: 86% -> 71%
2026-08-04 168 -> 167 277.31

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 797 2026-08-16 13/60 100% 3.40 RR Ufa Championship 2026 Ufa
2 629 2026-02-08 14/36 100% 2.50 RR One tsumo until spring Yekaterinburg
3 313 2025-06-15 47/68 71% 4.10 RR 13 bloody tiles Perm
4 419 2025-03-02 19/32 43% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
5 720 2023-09-03 31/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
6 276 2023-06-11 64/88 0% 3.75 RR Money can not buy tenpai Perm
7 747 2022-11-06 20/76 0% 4.20 RR IX Russian Riichi Championship Perm
8 441 2022-06-12 63/112 0% 4.05 RR Moscow Riichi 2022 Moscow
9 561 2022-03-20 30/67 0% 3.45 RR Tenpai can't buy happiness Perm
10 636 2021-11-06 21/56 0% 3.30 RR Kirov Tournament Kirov
11 538 2020-03-08 19/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
12 595 2019-12-15 46/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
13 175 2019-11-04 53/64 0% 3.85 EMA Aki Shanten 2019 Perm
14 333 2019-09-08 19/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
15 211 2019-02-10 16/20 0% 2.10 RR Fuyu Shanten 2019 Perm