Bretslavskaya Natalya

From Tyumen, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).

95 place (442.91).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (222.22 * 2.30 * 0.29 + 887.85 * 4.60 * 0.43 + 617.02 * 2.80 * 0.57 + 721.52 * 3.65 * 0.57 + 225.81 * 2.40 * 1) / (2.30 * 0.29 + 4.60 * 0.43 + 2.80 * 0.57 + 3.65 * 0.57 + 2.40 * 1) = 565.7891716967707

p2 = (887.85 * 4.60 * 0.43 + 721.52 * 3.65 * 0.57 + 617.02 * 2.80 * 0.57 + 225.81 * 2.40 * 1) / max_coefficients = 320.02541806020076

score = 565.7891716967707 * 0.5 + 320.02541806020076 * 0.5 = 442.90729487848574

Rating changes

Show

all results
Date Place Points Reason
2025-12-07 93 -> 95 442.91
2025-12-06 91 -> 93 442.91
2025-12-04 87 -> 91 459.89 -> 442.91

Riichi over Volga: 71% -> 57%
2025-11-30 84 -> 87 459.89
2025-11-25 87 -> 84 459.89
2025-11-22 86 -> 87 459.89
2025-11-14 83 -> 86 469.03 -> 459.89

Guardian of the Winds: 71% -> 57%
2025-11-12 74 -> 83 498.47 -> 469.03

X Russian Championship: 57% -> 43%
2025-11-04 73 -> 74 509.82 -> 498.47
2025-11-01 75 -> 73 509.09 -> 509.82

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 226 2025-03-02 25/32 100% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
2 722 2024-08-04 23/80 57% 3.65 RR Riichi over Volga Samara
3 617 2024-07-14 19/48 57% 2.80 RR Guardian of the Winds Yekaterinburg
4 888 2024-05-12 13/108 43% 4.60 RR X Russian Championship Perm
5 222 2024-02-25 22/28 29% 2.30 CRR Chasing Kan Yekaterinburg
6 741 2023-11-05 8/28 0% 2.30 CRR Finding Dora Yekaterinburg
7 724 2023-06-11 25/88 0% 3.75 RR Money can not buy tenpai Perm