Mandjiev Arslan

From Moscow, Russia

EMA: 15990042

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Internal rating (RR)

Rating date Oct. 20, 2026 (latest changes Oct. 16, 2026).

132 place (345.68).

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

p1 = (645.16 * 3.10 * 0.29 + 666.67 * 2 * 0.57 + 566.67 * 3 * 1 + 300 * 3.10 * 1 + 0) / (3.10 * 0.29 + 2 * 0.57 + 3 * 1 + 3.10 * 1 + 1) = 434.16585692892676

p2 = (566.67 * 3 * 1 + 300 * 3.10 * 1 + 666.67 * 2 * 0.57 + 645.16 * 3.10 * 0.29) / max_coefficients = 257.1881894873459

score = 434.16585692892676 * 0.5 + 257.1881894873459 * 0.5 = 345.67702320813635

Rating changes

Show

all results
Date Place Points Reason
2026-10-16 133 -> 132 345.68
2026-10-15 134 -> 133 345.68
2026-10-13 124 -> 134 381.63 -> 345.68

Moscow Riichi 2024: 14% -> 0%
2026-10-08 120 -> 124 390.37 -> 381.63

Random not fault: 71% -> 57%
2026-10-03 122 -> 120 390.37
2026-09-13 121 -> 122 390.37
2026-09-07 114 -> 121 402.81 -> 390.37

Moscow Open Riichi Marathon: 43% -> 29%
2026-09-06 112 -> 114 402.81
2026-09-01 113 -> 112 402.81
2026-08-31 113 402.34 -> 402.81

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 300 2026-04-05 36/51 100% 3.10 RR Moscow Riichi 2026 Moscow
2 567 2026-01-07 14/31 100% 3.00 RR Moscow Open Riichi Marathon 2026 Moscow
3 667 2025-06-08 6/16 57% 2.00 RR Random not fault Moscow
4 645 2025-01-07 12/32 29% 3.10 RR Moscow Open Riichi Marathon Moscow
5 787 2024-10-13 20/90 0% 3.75 RR Moscow Riichi 2024 Moscow
6 294 2024-06-09 37/52 0% 3.05 RR Agari Summer Tournament 2024 Moscow
7 568 2022-06-12 49/112 0% 4.05 RR Moscow Riichi 2022 Moscow
8 553 2021-12-19 22/48 0% 3.10 RR Agari team tournament Moscow
9 774 2020-01-26 8/32 0% 2.70 RR The last chance: back to 2019 Moscow
10 532 2019-12-15 53/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
11 229 2019-07-21 28/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
12 128 2019-01-13 42/48 0% 3.10 RR Agari team tournament 2019 Moscow
13 984 2018-12-16 🥈 2/64 0% 3.45 EMA White Dragon Tournament Moscow
14 889 2018-07-15 4/28 0% 3.00 RR Moscow Open Riichi Marathon Moscow
15 937 2017-10-22 5/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
16 600 2017-10-07 7/16 0% 1.40 RR Red Dragon tournament 2017 Moscow
17 481 2017-09-24 15/28 0% 2.60 RR Moscow Riichi Half Marathon 2017 Moscow
18 829 2017-07-09 7/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
19 989 2016-09-11 🥈 2/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
20 169 2013-12-08 60/72 0% 3.25 EMA Russian Riichi Championship 2013 Moscow