Kozlovskaya Yana
From Saint Petersburg, Russia
EMA: 15020050
Common russian riichi rating (CRR)
Rating date May 24, 2026 (latest changes May 23, 2026).
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-19 | 329 -> 326 | 63.26 | |
| 2026-05-17 | 327 -> 329 | 63.26 | |
| 2026-05-15 | 329 -> 327 | 63.26 | |
| 2026-05-12 | 338 -> 329 | 63.26 | |
| 2026-05-11 | 333 -> 338 | 63.26 | |
| 2026-05-05 | 334 -> 333 | 63.26 | |
| 2026-05-03 | 314 -> 334 | 78.98 -> 63.26 |
Sturgeon in tempai: 0% -> 100% |
| 2026-05-01 | 314 | 85.94 -> 78.98 |
SPB Riichi Open 2024: 43% -> 29% |
| 2026-04-19 | 303 -> 314 | 85.94 | |
| 2026-04-13 | 304 -> 303 | 85.94 | |
| 2026-04-11 | 302 -> 304 | 85.94 | |
| 2026-04-09 | 304 -> 302 | 85.94 | |
| 2026-04-05 | 300 -> 304 | 85.94 | |
| 2026-04-04 | 289 -> 300 | 103.28 -> 85.94 |
Riichi over Volga: 43% -> 29% |
| 2026-03-30 | 277 -> 289 | 131.16 -> 103.28 |
Seihoku spring tournament 2024: 14% -> 0% |
| 2026-03-21 | 270 -> 277 | 131.16 | |
| 2026-03-19 | 271 -> 270 | 131.16 | |
| 2026-03-15 | 272 -> 271 | 131.16 | |
| 2026-03-14 | 269 -> 272 | 131.16 | |
| 2026-03-12 | 271 -> 269 | 131.16 | |
| 2026-03-10 | 272 -> 271 | 131.16 | |
| 2026-03-07 | 267 -> 272 | 131.16 | |
| 2026-03-01 | 263 -> 267 | 134.55 -> 131.16 |
SPB Riichi Open 2024: 57% -> 43% |
| 2026-02-28 | 264 -> 263 | 134.55 | |
| 2026-02-27 | 265 -> 264 | 134.55 | |
| 2026-02-23 | 256 -> 265 | 134.55 | |
| 2026-02-09 | 257 -> 256 | 134.55 | |
| 2026-02-04 | 250 -> 257 | 148.62 -> 134.55 |
Riichi over Volga: 57% -> 43% |
| 2026-01-30 | 241 -> 250 | 160.03 -> 148.62 |
Seihoku spring tournament 2024: 29% -> 14% |
| 2026-01-25 | 238 -> 241 | 160.03 | |
| 2026-01-19 | 239 -> 238 | 160.03 | |
| 2026-01-15 | 240 -> 239 | 160.03 | |
| 2026-01-12 | 243 -> 240 | 160.03 | |
| 2026-01-07 | 242 -> 243 | 160.03 | |
| 2026-01-03 | 241 -> 242 | 160.03 | |
| 2026-01-01 | 240 -> 241 | 162.42 -> 160.03 |
SPB Riichi Open 2024: 71% -> 57% |
| 2025-12-29 | 241 -> 240 | 162.42 | |
| 2025-12-09 | 242 -> 241 | 162.42 | |
| 2025-12-07 | 239 -> 242 | 162.42 | |
| 2025-12-06 | 237 -> 239 | 162.42 | |
| 2025-12-04 | 232 -> 237 | 174.38 -> 162.42 |
Riichi over Volga: 71% -> 57% |
| 2025-11-30 | 229 -> 232 | 184.34 -> 174.38 |
Seihoku spring tournament 2024: 43% -> 29% |
| 2025-11-25 | 230 -> 229 | 184.34 | |
| 2025-11-22 | 229 -> 230 | 184.34 | |
| 2025-11-19 | 230 -> 229 | 184.34 | |
| 2025-11-12 | 231 -> 230 | 184.34 | |
| 2025-11-04 | 223 -> 231 | 187.32 -> 184.34 | |
| 2025-11-01 | 221 -> 223 | 189.22 -> 187.32 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 221 | 187.03 -> 189.22 | |
| 2025-10-04 | 213 -> 221 | 197.77 -> 187.03 |
Riichi over Volga: 86% -> 71% |
| 2025-09-30 | 208 -> 213 | 206.85 -> 197.77 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-26 | 209 -> 208 | 206.85 | |
| 2025-09-19 | 210 -> 209 | 206.85 | |
| 2025-09-03 | 207 -> 210 | 232.93 -> 206.85 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 206 -> 207 | 231.25 -> 232.93 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 204 -> 206 | 231.25 | |
| 2025-08-26 | 205 -> 204 | 231.25 | |
| 2025-08-25 | 206 -> 205 | 231.25 | |
| 2025-08-09 | 207 -> 206 | 231.25 | |
| 2025-08-04 | 204 -> 207 | 239.30 -> 231.25 |
Riichi over Volga: 100% -> 86% |
| 2025-08-03 | 198 -> 204 | 239.30 | |
| 2025-07-30 | 194 -> 198 | 247.22 -> 239.30 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-26 | 192 -> 194 | 247.22 | |
| 2025-07-14 | 193 -> 192 | 247.22 | |
| 2025-07-13 | 191 -> 193 | 247.22 | |
| 2025-07-12 | 192 -> 191 | 245.33 -> 247.22 | |
| 2025-07-03 | 189 -> 192 | 255.47 -> 245.33 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-27 | 190 -> 189 | 255.47 | |
| 2025-06-15 | 180 -> 190 | 258.61 -> 255.47 | |
| 2025-06-14 | 177 -> 180 | 258.61 | |
| 2025-06-11 | 170 -> 177 | 280.09 -> 258.61 |
Money can not buy tenpai: 14% -> 0% |
| 2025-06-09 | 169 -> 170 | 280.09 | |
| 2025-05-30 | 164 -> 169 | 287.20 -> 280.09 |
Seihoku spring tournament 2024: 86% -> 71% |
| 2025-05-26 | 165 -> 164 | 287.20 | |
| 2025-05-19 | 166 -> 165 | 287.20 | |
| 2025-05-17 | 164 -> 166 | 287.20 | |
| 2025-05-12 | 167 -> 164 | 282.45 -> 287.20 | |
| 2025-05-10 | 166 -> 167 | 282.45 | |
| 2025-05-03 | 155 -> 166 | 291.09 -> 282.45 |
SPB Riichi Open 2023: 43% -> 29% |
| 2025-04-27 | 153 -> 155 | 291.09 | |
| 2025-04-26 | 150 -> 153 | 291.09 | |
| 2025-04-13 | 148 -> 150 | 291.09 | |
| 2025-04-11 | 147 -> 148 | 296.61 -> 291.09 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-30 | 144 -> 147 | 303.05 -> 296.61 |
Seihoku spring tournament 2024: 100% -> 86% |
| 2025-03-29 | 143 -> 144 | 303.05 | |
| 2025-03-26 | 144 -> 143 | 303.05 | |
| 2025-03-23 | 142 -> 144 | 303.05 | |
| 2025-03-03 | 139 -> 142 | 311.15 -> 303.05 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-03-02 | 138 -> 139 | 311.15 | |
| 2025-02-16 | 133 -> 138 | 311.15 | |
| 2025-02-11 | 131 -> 133 | 323.07 -> 311.15 |
Money can not buy tenpai: 43% -> 29% |
| 2025-02-02 | 125 -> 131 | 323.07 | |
| 2025-01-26 | 123 -> 125 | 323.07 | |
| 2025-01-07 | 121 -> 123 | 323.07 | |
| 2025-01-04 | 120 -> 121 | 323.07 | |
| 2025-01-03 | 120 | 330.88 -> 323.07 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-25 | 122 -> 120 | 330.88 | |
| 2024-12-18 | 117 -> 122 | 338.32 -> 330.88 |
Meeting in the billiard room: 14% -> 0% |
| 2024-12-11 | 116 -> 117 | 352.13 -> 338.32 |
Money can not buy tenpai: 57% -> 43% |
| 2024-12-01 | 115 -> 116 | 352.13 | |
| 2024-11-05 | 120 -> 115 | 352.13 | |
| 2024-11-03 | 120 | 359.46 -> 352.13 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-25 | 121 -> 120 | 359.46 | |
| 2024-10-18 | 119 -> 121 | 365.91 -> 359.46 |
Meeting in the billiard room: 29% -> 14% |
| 2024-10-13 | 109 -> 119 | 369.24 -> 365.91 | |
| 2024-10-11 | 104 -> 109 | 382.59 -> 369.24 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-15 | 102 -> 104 | 382.59 | |
| 2024-09-06 | 103 -> 102 | 382.59 | |
| 2024-09-03 | 102 -> 103 | 383.29 -> 382.59 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 77 -> 102 | 425.42 -> 383.29 |
SPB Riichi Open 2024: 0% -> 100% |
| 2024-08-25 | 78 -> 77 | 425.42 | |
| 2024-08-18 | 74 -> 78 | 433.24 -> 425.42 |
Meeting in the billiard room: 43% -> 29% |
| 2024-08-11 | 72 -> 74 | 443.57 -> 433.24 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 69 -> 72 | 437.28 -> 443.57 |
Riichi over Volga: 0% -> 100% |
| 2024-07-14 | 65 -> 69 | 437.28 | |
| 2024-07-06 | 66 -> 65 | 437.28 | |
| 2024-06-27 | 67 -> 66 | 437.28 | |
| 2024-06-25 | 68 -> 67 | 437.28 | |
| 2024-06-20 | 69 -> 68 | 437.28 | |
| 2024-06-18 | 62 -> 69 | 456.61 -> 437.28 |
Meeting in the billiard room: 57% -> 43% |
| 2024-06-11 | 62 | 484.06 -> 456.61 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 59 -> 62 | 484.06 | |
| 2024-05-19 | 54 -> 59 | 484.06 | |
| 2024-05-18 | 12 -> 54 | 652.51 -> 484.06 | |
| 2021-02-01 | 17 -> 12 | 694.49 -> 652.51 | |
| 2020-02-01 | 17 | 694.49 |