Sirotkin Dmitry
From Moscow, Russia
EMA: 15990155
Common russian riichi rating (CRR)
Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).
8 place (656.33).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (1000 * 2.80 * 0.86 + 955.22 * 3.50 * 0.14 + 288.29 * 4.05 * 0.43 + 933.33 * 4.20 * 0.71 + 494.25 * 3.75 * 1 + 495.33 * 4 * 1) / (2.80 * 0.86 + 3.50 * 0.14 + 4.05 * 0.43 + 4.20 * 0.71 + 3.75 * 1 + 4 * 1) = 650.7820136852396
p2 = (933.33 * 4.20 * 0.71 + 1000 * 2.80 * 0.86 + 495.33 * 4 * 1 + 494.25 * 3.75 * 1) / max_coefficients = 661.8798745206981
score = 650.7820136852396 * 0.5 + 661.8798745206981 * 0.5 = 656.3309441029688
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-01-20 | 8 | 661.12 -> 656.33 |
Tenpai can't buy happiness: 29% -> 14% |
2024-01-06 | 7 -> 8 | 671.80 -> 661.12 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 7 | 673.61 -> 671.80 |
Agari team tournament: 14% -> 0% |
2023-12-18 | 6 -> 7 | 691.41 -> 673.61 |
Meeting in the billiard room: 100% -> 86% |
2023-12-12 | 8 -> 6 | 685.06 -> 691.41 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 9 -> 8 | 683.25 -> 685.06 |
Saint Petersburg Open 2021: 14% -> 0% |
2023-11-26 | 8 -> 9 | 685.73 -> 683.25 | |
2023-11-20 | 8 | 689.56 -> 685.73 |
Tenpai can't buy happiness: 43% -> 29% |
2023-11-06 | 7 -> 8 | 698.19 -> 689.56 |
IX Russian Riichi Championship: 100% -> 86% |
2023-11-05 | 6 -> 7 | 698.19 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 495 |
|
55/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 494 |
|
45/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 1000 |
|
1/24 | 86% | 2.80 | CRR | Meeting in the billiard room |
4 | 933 |
|
6/76 | 71% | 4.20 | RR | IX Russian Riichi Championship |
5 | 288 |
|
80/112 | 43% | 4.05 | RR | Moscow Riichi 2022 |
6 | 955 |
|
4/68 | 14% | 3.50 | RR | Tenpai can't buy happiness |
7 | 809 |
|
10/48 | 0% | 3.10 | RR | Agari team tournament |
8 | 533 |
|
36/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
9 | 897 |
|
5/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
10 | 316 |
|
14/20 | 0% | 2.40 | CRR | double-burning-2020 |
11 | 97 |
|
29/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
12 | 378 |
|
70/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
13 | 714 |
|
19/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
14 | 698 |
|
20/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
15 | 764 |
|
14/56 | 0% | 3.03 | EMA | Tri Nitro Tournament 2019 - 7th Detonation |
16 | 778 |
|
7/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
17 | 857 |
|
6/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
18 | 256 |
|
30/40 | 0% | 2.90 | RR | Summer Cup 2019 |
19 | 494 |
|
43/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
20 | 267 |
|
12/16 | 0% | 2.60 | CRR | Double burning |
21 | 915 |
|
5/48 | 0% | 3.10 | RR | Agari team tournament 2019 |
22 | 873 |
|
8/56 | 0% | 3.00 | EMA | Snow Dragon |
23 | 231 |
|
31/40 | 0% | 2.90 | RR | North Cup 2018 |
24 | 698 |
|
20/64 | 0% | 3.45 | EMA | White Dragon Tournament |
25 | 978 |
|
3/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
26 | 484 |
|
17/32 | 0% | 2.70 | EMA | Tsukimi 2018 |
27 | 170 |
|
40/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 |
28 | 870 |
|
4/24 | 0% | 3.18 | RR | Winner tournament. Agari season event |
29 | 593 |
|
12/28 | 0% | 3.00 | RR | Moscow Open Riichi Marathon |
30 | 581 |
|
14/32 | 0% | 2.85 | EMA | 5th Prague Open Riichi Championship 2018 |
31 | 732 |
|
20/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
32 | 259 |
|
21/28 | 0% | 3.50 | CRR | A-League |
33 | 535 |
|
34/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
34 | 819 |
|
16/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
35 | 972 |
|
3/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
36 | 564 |
|
18/40 | 0% | 2.75 | EMA | Riichi Dutch open 2017 |
37 | 730 |
|
18/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
38 | 963 |
|
2/28 | 0% | 2.60 | RR | Moscow Riichi Half Marathon 2017 |
39 | 743 |
|
10/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2017 |
40 | 949 |
|
3/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) |
41 | 667 |
|
6/16 | 0% | 2.30 | RR | February mini-tournament glhf; 2017 |
42 | 826 |
|
5/24 | 0% | 1.60 | RR | December tournament glhf; 2016 |
43 | 379 |
|
55/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 |
44 | 478 |
|
13/24 | 0% | 1.60 | RR | May tournament glhf; 2016 |
45 | 933 |
|
2/16 | 0% | 1.20 | RR | Riichi mahjong league tournament 2016 (JPML-A rules) |
46 | 960 |
|
5/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
47 | 706 |
|
16/52 | 0% | 2.90 | EMA | Russian Open Riichi Championship 2015 |
48 | 140 |
|
38/44 | 0% | 2.50 | EMA | Moscow Riichi Championship 2015 |
49 | 841 |
|
11/64 | 0% | 3.15 | RR | "Japanese House" riichi mahjong cup 2014 |
50 | 973 |
|
3/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
51 | 507 |
|
36/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
52 | 36 |
|
54/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |