Petsilyak Igor

From Moscow, Russia

EMA: 15990408

Player page

Internal rating (RR)

Rating date March 30, 2023 (latest changes March 30, 2023).

86 place (334.35).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.10 * 0.71) = 13.46418

p1 = (733.33 * 3.45 * 0.57 + 189.19 * 4.05 * 1 + 493.33 * 4.20 * 1 + 0 + 0) / (3.45 * 0.57 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 350.52322455902925

p2 = (493.33 * 4.20 * 1 + 733.33 * 3.45 * 0.57 + 189.19 * 4.05 * 1) / max_coefficients = 318.16716651144003

score = 350.52322455902925 * 0.5 + 318.16716651144003 * 0.5 = 334.34519553523467

Rating changes

Show

all results
Date Place Points Reason
2023-03-30 89 -> 86 334.35
2023-03-28 81 -> 89 352.05 -> 334.35

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 82 -> 81 346.09 -> 352.05
2023-03-06 87 -> 82 346.09
2023-02-28 89 -> 87 346.09
2023-02-19 90 -> 89 343.90 -> 346.09
2023-01-30 97 -> 90 343.90
2023-01-28 92 -> 97 359.76 -> 343.90

Saint Petersburg Open 2021: 86% -> 71%
2023-01-06 93 -> 92 359.76
2022-12-30 95 -> 93 359.76

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 57% 3.45 RR Saint Petersburg Open 2021