Sirotkin Dmitry
From Moscow, Russia
EMA: 15990155
Common russian riichi rating (CRR)
Rating date Jan. 26, 2025 (latest changes Jan. 26, 2025).
37 place (597.48).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (494.25 * 3.75 * 0.43 + 495.33 * 4 * 0.57 + 235.29 * 3.05 * 1 + 456.52 * 2.10 * 1 + 803.92 * 3.05 * 1 + 822.78 * 3.65 * 1 + 431.58 * 3.85 * 1 + 449.44 * 3.75 * 1 + 173.91 * 2.80 * 1 + 903.23 * 3.10 * 1 + 738.10 * 2.60 * 1) / (3.75 * 0.43 + 4 * 0.57 + 3.05 * 1 + 2.10 * 1 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 2.80 * 1 + 3.10 * 1 + 2.60 * 1) = 553.0585359036644
p2 = (822.78 * 3.65 * 1 + 903.23 * 3.10 * 1 + 803.92 * 3.05 * 1 + 738.10 * 2.60 * 1) / max_coefficients = 641.9034700315457
score = 553.0585359036644 * 0.5 + 641.9034700315457 * 0.5 = 597.481002967605
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-26 | 39 -> 37 | 581.88 -> 597.48 |
Riichi On Ice: 0% -> 100% |
| 2025-01-07 | 53 -> 39 | 524.24 -> 581.88 |
Moscow Open Riichi Marathon: 0% -> 100% |
| 2025-01-03 | 53 | 524.26 -> 524.24 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-18 | 53 | 528.00 -> 524.26 |
Meeting in the billiard room: 14% -> 0% |
| 2024-12-11 | 52 -> 53 | 527.94 -> 528.00 |
Money can not buy tenpai: 57% -> 43% |
| 2024-12-01 | 51 -> 52 | 546.34 -> 527.94 |
Riichi never changing: 0% -> 100% |
| 2024-11-26 | 50 -> 51 | 546.34 | |
| 2024-11-05 | 51 -> 50 | 551.01 -> 546.34 | |
| 2024-11-03 | 52 -> 51 | 551.60 -> 551.01 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-18 | 52 | 555.04 -> 551.60 |
Meeting in the billiard room: 29% -> 14% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 738 |
|
12/43 | 100% | 2.60 | RR | Riichi On Ice |
| 2 | 903 |
|
4/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon |
| 3 | 174 |
|
20/24 | 100% | 2.80 | CRR | Riichi never changing |
| 4 | 449 |
|
50/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 5 | 432 |
|
55/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 6 | 823 |
|
15/80 | 100% | 3.65 | RR | Riichi over Volga |
| 7 | 804 |
|
11/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
| 8 | 252 |
|
81/108 | 100% | 4.60 | RR | X Russian Championship |
| 9 | 457 |
|
26/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 10 | 235 |
|
40/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 11 | 495 |
|
55/108 | 57% | 4.00 | RR | SPB Riichi Open 2023 |
| 12 | 494 |
|
45/88 | 43% | 3.75 | RR | Money can not buy tenpai |
| 13 | 1000 |
|
1/24 | 0% | 2.80 | CRR | Meeting in the billiard room |
| 14 | 933 |
|
6/76 | 0% | 4.20 | RR | IX Russian Riichi Championship |
| 15 | 288 |
|
80/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 16 | 955 |
|
4/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
| 17 | 809 |
|
10/48 | 0% | 3.10 | RR | Agari team tournament |
| 18 | 533 |
|
36/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 19 | 897 |
|
5/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
| 20 | 316 |
|
14/20 | 0% | 2.40 | CRR | double-burning-2020 |
| 21 | 97 |
|
29/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
| 22 | 378 |
|
70/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 23 | 714 |
|
19/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 24 | 698 |
|
20/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
| 25 | 764 |
|
14/56 | 0% | 3.03 | EMA | Tri Nitro Tournament 2019 - 7th Detonation |
| 26 | 778 |
|
7/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
| 27 | 857 |
|
6/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
| 28 | 256 |
|
30/40 | 0% | 2.90 | RR | Summer Cup 2019 |
| 29 | 494 |
|
43/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
| 30 | 267 |
|
12/16 | 0% | 2.60 | CRR | Double burning |
| 31 | 915 |
|
5/48 | 0% | 3.10 | RR | Agari team tournament 2019 |
| 32 | 873 |
|
8/56 | 0% | 3.00 | EMA | Snow Dragon |
| 33 | 231 |
|
31/40 | 0% | 2.90 | RR | North Cup 2018 |
| 34 | 698 |
|
20/64 | 0% | 3.45 | EMA | White Dragon Tournament |
| 35 | 978 |
|
3/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
| 36 | 484 |
|
17/32 | 0% | 2.70 | EMA | Tsukimi 2018 |
| 37 | 170 |
|
40/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 |
| 38 | 870 |
|
4/24 | 0% | 3.18 | RR | Winner tournament. Agari season event |
| 39 | 593 |
|
12/28 | 0% | 3.00 | RR | Moscow Open Riichi Marathon |
| 40 | 581 |
|
14/32 | 0% | 2.85 | EMA | 5th Prague Open Riichi Championship 2018 |
| 41 | 732 |
|
20/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
| 42 | 259 |
|
21/28 | 0% | 3.50 | CRR | A-League |
| 43 | 535 |
|
34/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
| 44 | 819 |
|
16/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
| 45 | 972 |
|
3/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
| 46 | 564 |
|
18/40 | 0% | 2.75 | EMA | Riichi Dutch open 2017 |
| 47 | 730 |
|
18/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
| 48 | 963 |
|
2/28 | 0% | 2.60 | RR | Moscow Riichi Half Marathon 2017 |
| 49 | 743 |
|
10/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2017 |
| 50 | 949 |
|
3/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) |
| 51 | 667 |
|
6/16 | 0% | 2.30 | RR | February mini-tournament glhf; 2017 |
| 52 | 826 |
|
5/24 | 0% | 1.60 | RR | December tournament glhf; 2016 |
| 53 | 379 |
|
55/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 |
| 54 | 478 |
|
13/24 | 0% | 1.60 | RR | May tournament glhf; 2016 |
| 55 | 933 |
|
2/16 | 0% | 1.20 | RR | Riichi mahjong league tournament 2016 (JPML-A rules) |
| 56 | 960 |
|
5/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
| 57 | 706 |
|
16/52 | 0% | 2.90 | EMA | Russian Open Riichi Championship 2015 |
| 58 | 140 |
|
38/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 |
| 59 | 841 |
|
11/64 | 0% | 3.15 | RR | "Japanese House" riichi mahjong cup 2014 |
| 60 | 973 |
|
3/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
| 61 | 507 |
|
36/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
| 62 | 36 |
|
54/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |