Petrov Andrei

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 22, 2026 (latest changes Oct. 17, 2026).

307 place (145.36).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (0 * 1.70 * 1 + 645.16 * 1.80 * 1 + 140.85 * 3.40 * 1 + 0 + 0) / (1.70 * 1 + 1.80 * 1 + 3.40 * 1 + 1 + 1) = 184.2876404494382

p2 = (645.16 * 1.80 * 1 + 140.85 * 3.40 * 1 + 0 * 1.70 * 1) / max_coefficients = 106.43478260869564

score = 184.2876404494382 * 0.5 + 106.43478260869564 * 0.5 = 145.3612115290669

Rating changes

Show

all results
Date Place Points Reason
2026-10-16 308 -> 307 145.36
2026-10-15 309 -> 308 145.36
2026-10-13 313 -> 309 145.36
2026-10-10 311 -> 313 145.36
2026-10-02 312 -> 311 145.36
2026-09-26 311 -> 312 145.36
2026-09-15 313 -> 311 145.36
2026-09-06 322 -> 313 127.01 -> 145.36

Sunset Wolf Cup 2026: 0% -> 100%
2026-09-03 323 -> 322 127.01
2026-09-01 328 -> 323 127.01

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 141 2026-09-06 62/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
2 645 2026-07-25 12/32 100% 1.80 RR Seihoku Summer Tournament 2026 Saint Petersburg
3 0 2026-04-11 31/31 100% 1.70 RR Seihoku spring tournament 2026 Saint Petersburg