Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Internal rating (RR)

Rating date May 28, 2023 (latest changes May 28, 2023).

62 place (323.86).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139

p1 = (733.33 * 3.45 * 0.43 + 189.19 * 4.05 * 1 + 493.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.43 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 334.44371782989884

p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.43 + 189.19 * 4.05 * 1) / max_coefficients = 313.2703318082098

score = 334.44371782989884 * 0.5 + 313.2703318082098 * 0.5 = 323.85702481905435

Rating changes

Show

all results
Date Place Points Reason
2023-05-28 59 -> 62 343.63 -> 323.86

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 60 -> 59 337.27 -> 343.63
2023-05-06 61 -> 60 337.27
2023-04-19 62 -> 61 334.35 -> 337.27
2023-03-28 59 -> 62 352.05 -> 334.35

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 61 -> 59 346.09 -> 352.05
2023-02-19 61 343.90 -> 346.09
2023-01-28 59 -> 61 359.76 -> 343.90

Saint Petersburg Open 2021: 86% -> 71%
2022-12-19 59 358.12 -> 359.76
2022-11-28 58 -> 59 372.51 -> 358.12

Saint Petersburg Open 2021: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 493 2022-11-06 39/76 100% 4.20 RR IX Russian Riichi Championship
2 189 2022-06-12 91/112 100% 4.05 RR Moscow Riichi 2022
3 733 2021-11-28 21/76 43% 3.45 RR Saint Petersburg Open 2021