Petrushchenko Sergey
From Moscow, Russia
EMA: 15990288
Internal rating (RR)
Rating date Feb. 27, 2021 (latest changes Feb. 25, 2021).
10 place (672.99).
how we calculated rating score
max_coefficients = (2.90 * 1 + 4.05 * 0.71 + 3.85 * 0.71 + 3.45 * 0.71) = 11.007305
p1 = (60.24 * 4.20 * 0.29 + 76.92 * 2.90 * 0.29 + 628.57 * 3.20 * 0.43 + 478.26 * 2.20 * 0.57 + 909.09 * 3.18 * 0.57 + 968.25 * 3.85 * 0.71 + 428.57 * 3.45 * 0.71 + 576.58 * 4.05 * 0.71 + 838.71 * 2.70 * 0.86) / (4.20 * 0.29 + 2.90 * 0.29 + 3.20 * 0.43 + 2.20 * 0.57 + 3.18 * 0.57 + 3.85 * 0.71 + 3.45 * 0.71 + 4.05 * 0.71 + 2.70 * 0.86) = 626.1394610678745
p2 = (968.25 * 3.85 * 0.71 + 838.71 * 2.70 * 0.86 + 576.58 * 4.05 * 0.71 + 909.09 * 3.18 * 0.57) / max_coefficients = 719.8428679863054
score = 626.1394610678745 * 0.5 + 719.8428679863054 * 0.5 = 672.99116452709
Chart scale: normalized original
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2021-02-20 | 8 -> 10 | 695.46 -> 672.99 |
Tri Nitro Tournament 2019 - 7th Detonation: 71% -> 57% |
2021-02-15 | 9 -> 8 | 690.03 -> 695.46 |
VIII Russian Riichi Championship: 86% -> 71% |
2021-02-02 | 10 -> 9 | 683.76 -> 690.03 |
Summer Cup 2019: 43% -> 29% |
2021-01-26 | 9 -> 10 | 692.25 -> 683.76 |
The last chance: back to 2019: 100% -> 86% |
2021-01-24 | 10 -> 9 | 681.66 -> 692.25 |
Saint Petersburg Open 2019: 86% -> 71% |
2021-01-21 | 10 | 681.77 -> 681.66 |
Moscow Open Riichi Marathon 2019: 57% -> 43% |
2021-01-15 | 11 -> 10 | 680.67 -> 681.77 |
Valencia Riichi 2019: 71% -> 57% |
2021-01-13 | 10 -> 11 | 698.15 -> 680.67 |
Agari team tournament 2019: 14% -> 0% |
2021-01-09 | 11 -> 10 | 698.15 | |
2021-01-08 | 10 -> 11 | 698.15 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 839 |
|
6/32 | 86% | 2.70 | RR | The last chance: back to 2019 |
2 | 577 |
|
48/112 | 71% | 4.05 | EMA | VIII Russian Riichi Championship |
3 | 429 |
|
37/64 | 71% | 3.45 | EMA | Saint Petersburg Open 2019 |
4 | 968 |
|
3/64 | 71% | 3.85 | EMA | Aki Shanten 2019 |
5 | 909 |
|
6/56 | 57% | 3.18 | EMA | Tri Nitro Tournament 2019 - 7th Detonation |
6 | 478 |
|
13/24 | 57% | 2.20 | EMA | Valencia Riichi 2019 |
7 | 629 |
|
14/36 | 43% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
8 | 77 |
|
37/40 | 29% | 2.90 | RR | Summer Cup 2019 |
9 | 60 |
|
79/84 | 29% | 4.20 | EMA | Haru Shanten 2019 |
10 | 617 |
|
19/48 | 0% | 3.10 | RR | Agari team tournament 2019 |
11 | 821 |
|
8/40 | 0% | 2.90 | RR | North Cup 2018 |
12 | 508 |
|
32/64 | 0% | 3.45 | EMA | White Dragon Tournament |
13 | 835 |
|
16/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
14 | 957 |
|
3/48 | 0% | 2.80 | EMA | 1st Spanish Riichi Open 2018 |
15 | 149 |
|
41/48 | 0% | 3.10 | RR | Moscow Riichi Open 2018 |
16 | 926 |
|
3/28 | 0% | 3.00 | RR | Moscow Open Riichi Marathon |
17 | 613 |
|
13/32 | 0% | 2.85 | EMA | 5th Prague Open Riichi Championship 2018 |
18 | 859 |
|
11/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
19 | 859 |
|
11/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
20 | 340 |
|
32/48 | 0% | 2.80 | EMA | Great Wave 2018 |
21 | 687 |
|
27/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
22 | 845 |
|
12/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
23 | 48 |
|
61/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
24 | 111 |
|
25/28 | 0% | 2.60 | RR | Moscow Riichi Half Marathon 2017 |
25 | 407 |
|
17/28 | 0% | 2.30 | EMA | Riichi Open Bratislava 2017 |
26 | 57 |
|
34/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2017 |
27 | 913 |
|
3/24 | 0% | 2.90 | EMA | Prague Open 2017 |
28 | 282 |
|
29/40 | 0% | 2.00 | RR | Moscow championship 2017 (JPML-A rules) |
29 | 733 |
|
5/16 | 0% | 2.30 | RR | February mini-tournament glhf; 2017 |
30 | 391 |
|
15/24 | 0% | 1.60 | RR | December tournament glhf; 2016 |
31 | 507 |
|
36/72 | 0% | 3.25 | EMA | Saint Petersburg Riichi Open 2016 |
32 | 194 |
|
26/32 | 0% | 1.60 | RR | Tournament of 4 winds. West cup 2016 |
33 | 103 |
|
79/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 |
34 | 263 |
|
15/20 | 0% | 1.50 | RR | August tournament glhf; 2016 |
35 | 0 |
|
24/24 | 0% | 1.60 | RR | May tournament glhf; 2016 |