Kaplan Andrey

From Perm, Russia

EMA: 15990439

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Common russian riichi rating (CRR)

Rating date May 19, 2024 (latest changes May 19, 2024).

67 place (455.90).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999

p1 = (441.44 * 4.05 * 0.14 + 800 * 1.20 * 0.29 + 746.67 * 4.20 * 0.43 + 275.86 * 3.75 * 1 + 719.63 * 4 * 1) / (4.05 * 0.14 + 1.20 * 0.29 + 4.20 * 0.43 + 3.75 * 1 + 4 * 1) = 552.6148798118357

p2 = (719.63 * 4 * 1 + 746.67 * 4.20 * 0.43 + 275.86 * 3.75 * 1 + 800 * 1.20 * 0.29) / max_coefficients = 359.1779220779221

score = 552.6148798118357 * 0.5 + 359.1779220779221 * 0.5 = 455.8964009448789

Rating changes

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all results
Date Place Points Reason
2024-05-19 65 -> 67 455.90
2024-05-12 45 -> 65 478.18 -> 455.90
2024-05-06 41 -> 45 499.78 -> 478.18

IX Russian Riichi Championship: 57% -> 43%
2024-04-20 39 -> 41 506.59 -> 499.78

I still can declare riichi: 43% -> 29%
2024-04-12 41 -> 39 507.16 -> 506.59

Moscow Riichi 2022: 29% -> 14%
2024-03-30 39 -> 41 507.16
2024-03-20 42 -> 39 507.29 -> 507.16

Tenpai can't buy happiness: 14% -> 0%
2024-03-10 34 -> 42 518.59 -> 507.29
2024-03-06 31 -> 34 528.85 -> 518.59

IX Russian Riichi Championship: 71% -> 57%
2024-02-25 26 -> 31 528.85

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 720 2023-09-03 31/108 100% 4.00 RR SPB Riichi Open 2023
2 276 2023-06-11 64/88 100% 3.75 RR Money can not buy tenpai
3 747 2022-11-06 20/76 43% 4.20 RR IX Russian Riichi Championship
4 800 2022-08-20 4/16 29% 1.20 CRR I still can declare riichi
5 441 2022-06-12 63/112 14% 4.05 RR Moscow Riichi 2022
6 567 2022-03-20 30/68 0% 3.50 RR Tenpai can't buy happiness
7 636 2021-11-06 21/56 0% 3.30 RR Kirov Tournament
8 538 2020-03-08 19/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
9 595 2019-12-15 46/112 0% 4.05 EMA VIII Russian Riichi Championship
10 175 2019-11-04 53/64 0% 3.85 EMA Aki Shanten 2019
11 333 2019-09-08 19/28 0% 2.60 RR And yet the sinner collects tanyao
12 91 2019-07-06 11/12 0% 1.50 CRR Perm Half Marathon
13 211 2019-02-10 16/20 0% 2.10 RR Fuyu Shanten 2019