Simonova Svetlana

From Saint Petersburg, Russia

EMA: 15990317

Player page

Internal rating (RR)

Rating date Oct. 13, 2025 (latest changes Oct. 13, 2025).

142 place (295.30).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835

p1 = (357.89 * 3.85 * 0.86 + 576.27 * 3.25 * 1 + 457.14 * 1.90 * 1 + 25.97 * 3.45 * 1 + 0) / (3.85 * 0.86 + 3.25 * 1 + 1.90 * 1 + 3.45 * 1 + 1) = 311.01560601356533

p2 = (576.27 * 3.25 * 1 + 357.89 * 3.85 * 0.86 + 457.14 * 1.90 * 1 + 25.97 * 3.45 * 1) / max_coefficients = 279.58858063524775

score = 311.01560601356533 * 0.5 + 279.58858063524775 * 0.5 = 295.30209332440654

Rating changes

Show

all results
Date Place Points Reason
2025-10-13 144 -> 142 291.05 -> 295.30
2025-09-30 145 -> 144 291.05
2025-09-12 144 -> 145 291.05
2025-09-10 145 -> 144 291.05
2025-09-03 141 -> 145 301.65 -> 291.05

SPB Riichi Open 2023: 14% -> 0%
2025-09-01 140 -> 141 305.12 -> 301.65

SPB Riichi Open 2024: 100% -> 86%
2025-08-31 124 -> 140 339.33 -> 305.12

SPB Riichi Open 2025: 0% -> 100%
2025-08-04 125 -> 124 337.97 -> 339.33
2025-08-03 123 -> 125 337.97
2025-07-13 120 -> 123 337.97

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 26 2025-08-31 76/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
2 457 2025-04-26 20/36 100% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
3 576 2025-02-16 26/60 100% 3.25 RR White Wolf Cup Saint Petersburg
4 358 2024-09-01 62/96 86% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
5 196 2023-09-03 87/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
6 349 2019-11-24 42/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
7 26 2019-06-02 39/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
8 359 2018-12-23 26/40 0% 2.90 RR North Cup 2018 Saint Petersburg
9 435 2018-09-23 14/24 0% 2.50 RR West cup 2018 Saint Petersburg
10 127 2018-06-11 63/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
11 581 2018-03-04 14/32 0% 2.70 RR East Cup 2018 Saint Petersburg
12 145 2017-12-11 72/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg