Bogdanov Mikhail

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 13, 2026 (latest changes Nov. 8, 2026).

363 place (24.46).

max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91

p1 = (90.91 * 3.45 * 0.71 + 14.08 * 3.40 * 1 + 0 + 0 + 0) / (3.45 * 0.71 + 3.40 * 1 + 1 + 1 + 1) = 30.675735968913628

p2 = (90.91 * 3.45 * 0.71 + 14.08 * 3.40 * 1) / max_coefficients = 18.2374245472837

score = 30.675735968913628 * 0.5 + 18.2374245472837 * 0.5 = 24.456580258098665

Rating changes

Show

all results
Date Place Points Reason
2026-11-08 361 -> 363 24.46
2026-11-04 362 -> 361 24.16 -> 24.46
2026-11-01 359 -> 362 24.16
2026-10-31 355 -> 359 27.20 -> 24.16

SPB Riichi Open 2025: 86% -> 71%
2026-10-24 353 -> 355 27.20
2026-10-17 352 -> 353 27.20
2026-10-13 356 -> 352 27.20
2026-10-10 353 -> 356 27.20
2026-09-26 352 -> 353 27.20
2026-09-15 354 -> 352 27.20

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 14 2026-09-06 71/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
2 91 2025-08-31 71/78 71% 3.45 RR SPB Riichi Open 2025 Saint Petersburg