Sirotkin Dmitry
From Moscow, Russia
EMA: 15990155
Common russian riichi rating (CRR)
Rating date April 20, 2024 (latest changes April 20, 2024).
33 place (552.36).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (288.29 * 4.05 * 0.14 + 933.33 * 4.20 * 0.57 + 1000 * 2.80 * 0.57 + 494.25 * 3.75 * 1 + 495.33 * 4 * 1 + 235.29 * 3.05 * 1 + 456.52 * 2.10 * 1) / (4.05 * 0.14 + 4.20 * 0.57 + 2.80 * 0.57 + 3.75 * 1 + 4 * 1 + 3.05 * 1 + 2.10 * 1) = 544.540177686415
p2 = (933.33 * 4.20 * 0.57 + 495.33 * 4 * 1 + 494.25 * 3.75 * 1 + 1000 * 2.80 * 0.57) / max_coefficients = 560.1875912408758
score = 544.540177686415 * 0.5 + 560.1875912408758 * 0.5 = 552.3638844636454
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-18 | 27 -> 33 | 572.06 -> 552.36 |
Meeting in the billiard room: 71% -> 57% |
| 2024-04-12 | 28 -> 27 | 567.89 -> 572.06 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 27 -> 28 | 573.66 -> 567.89 |
Seihoku spring tournament 2024: 0% -> 100% |
| 2024-03-20 | 27 | 579.55 -> 573.66 |
Tenpai can't buy happiness: 14% -> 0% |
| 2024-03-10 | 13 -> 27 | 631.17 -> 579.55 |
Agari Spring Tournament 2024: 0% -> 100% |
| 2024-03-06 | 9 -> 13 | 644.12 -> 631.17 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-25 | 8 -> 9 | 644.12 | |
| 2024-02-18 | 6 -> 8 | 663.41 -> 644.12 |
Meeting in the billiard room: 86% -> 71% |
| 2024-02-12 | 7 -> 6 | 656.33 -> 663.41 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 7 | 661.12 -> 656.33 |
Tenpai can't buy happiness: 29% -> 14% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 457 |
|
26/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 2 | 235 |
|
40/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 3 | 495 |
|
55/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 4 | 494 |
|
45/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 5 | 1000 |
|
1/24 | 57% | 2.80 | CRR | Meeting in the billiard room |
| 6 | 933 |
|
6/76 | 57% | 4.20 | RR | IX Russian Riichi Championship |
| 7 | 288 |
|
80/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |
| 8 | 955 |
|
4/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
| 9 | 809 |
|
10/48 | 0% | 3.10 | RR | Agari team tournament |
| 10 | 533 |
|
36/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 11 | 897 |
|
5/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
| 12 | 316 |
|
14/20 | 0% | 2.40 | CRR | double-burning-2020 |
| 13 | 97 |
|
29/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
| 14 | 378 |
|
70/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 15 | 714 |
|
19/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
| 16 | 698 |
|
20/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
| 17 | 764 |
|
14/56 | 0% | 3.03 | EMA | Tri Nitro Tournament 2019 - 7th Detonation |
| 18 | 778 |
|
7/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
| 19 | 857 |
|
6/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
| 20 | 256 |
|
30/40 | 0% | 2.90 | RR | Summer Cup 2019 |
| 21 | 494 |
|
43/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
| 22 | 267 |
|
12/16 | 0% | 2.60 | CRR | Double burning |
| 23 | 915 |
|
5/48 | 0% | 3.10 | RR | Agari team tournament 2019 |
| 24 | 873 |
|
8/56 | 0% | 3.00 | EMA | Snow Dragon |
| 25 | 231 |
|
31/40 | 0% | 2.90 | RR | North Cup 2018 |
| 26 | 698 |
|
20/64 | 0% | 3.45 | EMA | White Dragon Tournament |
| 27 | 978 |
|
3/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
| 28 | 484 |
|
17/32 | 0% | 2.70 | EMA | Tsukimi 2018 |
| 29 | 170 |
|
40/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 |
| 30 | 870 |
|
4/24 | 0% | 3.18 | RR | Winner tournament. Agari season event |
| 31 | 593 |
|
12/28 | 0% | 3.00 | RR | Moscow Open Riichi Marathon |
| 32 | 581 |
|
14/32 | 0% | 2.85 | EMA | 5th Prague Open Riichi Championship 2018 |
| 33 | 732 |
|
20/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
| 34 | 259 |
|
21/28 | 0% | 3.50 | CRR | A-League |
| 35 | 535 |
|
34/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
| 36 | 819 |
|
16/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
| 37 | 972 |
|
3/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
| 38 | 564 |
|
18/40 | 0% | 2.75 | EMA | Riichi Dutch open 2017 |
| 39 | 730 |
|
18/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
| 40 | 963 |
|
2/28 | 0% | 2.60 | RR | Moscow Riichi Half Marathon 2017 |
| 41 | 743 |
|
10/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2017 |
| 42 | 949 |
|
3/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) |
| 43 | 667 |
|
6/16 | 0% | 2.30 | RR | February mini-tournament glhf; 2017 |
| 44 | 826 |
|
5/24 | 0% | 1.60 | RR | December tournament glhf; 2016 |
| 45 | 379 |
|
55/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 |
| 46 | 478 |
|
13/24 | 0% | 1.60 | RR | May tournament glhf; 2016 |
| 47 | 933 |
|
2/16 | 0% | 1.20 | RR | Riichi mahjong league tournament 2016 (JPML-A rules) |
| 48 | 960 |
|
5/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
| 49 | 706 |
|
16/52 | 0% | 2.90 | EMA | Russian Open Riichi Championship 2015 |
| 50 | 140 |
|
38/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 |
| 51 | 841 |
|
11/64 | 0% | 3.15 | RR | "Japanese House" riichi mahjong cup 2014 |
| 52 | 973 |
|
3/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
| 53 | 507 |
|
36/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
| 54 | 36 |
|
54/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |