Tsiporin Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 3, 2025 (latest changes Feb. 3, 2025).

130 place (326.78).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (126.32 * 3.85 * 1 + 258.43 * 3.75 * 1 + 452.38 * 2.60 * 1 + 745.10 * 3.05 * 1 + 0) / (3.85 * 1 + 3.75 * 1 + 2.60 * 1 + 3.05 * 1 + 1) = 344.1515789473684

p2 = (745.10 * 3.05 * 1 + 452.38 * 2.60 * 1 + 258.43 * 3.75 * 1 + 126.32 * 3.85 * 1) / max_coefficients = 309.41072555205045

score = 344.1515789473684 * 0.5 + 309.41072555205045 * 0.5 = 326.7811522497094

Rating changes

Show

all results
Date Place Points Reason
2025-02-02 186 -> 130 190.87 -> 326.78

Agari Winter Tournament 2025: 0% -> 100%
2025-01-26 198 -> 186 114.56 -> 190.87

Riichi On Ice: 0% -> 100%
2025-01-14 200 -> 198 114.56
2025-01-07 195 -> 200 114.56
2025-01-05 196 -> 195 114.56
2025-01-04 194 -> 196 114.56
2025-01-01 195 -> 194 114.56
2024-12-29 194 -> 195 114.56
2024-11-14 195 -> 194 114.56
2024-11-05 200 -> 195 114.56

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 745 2025-02-02 14/52 100% 3.05 RR Agari Winter Tournament 2025
2 452 2025-01-26 24/43 100% 2.60 RR Riichi On Ice
3 258 2024-10-13 67/90 100% 3.75 RR Moscow Riichi 2024
4 126 2024-09-01 84/96 100% 3.85 RR SPB Riichi Open 2024