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Individual Calculations September 2022 |
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| Boztas, Lana Total change: -1.80 | |   |
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| Chessable British Chess Championships 2022: Week 1 U1600 | Torquay | ENG | 2022-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1466 | 1400 | 2.00 | 3 | 0.77 | 20 | 15.40 | |
|  Weersing, Nathan | | | 1459 | ENG | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Bullock, Lee | | | 1505 | ENG | 0.00 | 1 | -0.36 | 20 | -7.20 | |  Upton, Bill | | | 1435 | ENG | 1.00 | 1 | 0.55 | 20 | 11.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Chessable British Chess Championships 2022: Week 2 AM U1600 | Torquay | ENG | 2022-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1421 | 1400 | 1.50 | 5 | -0.86 | 20 | -17.20 | |
| | Upton, Bill | | | 1435 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Liu, Jacob | | | 1368 | ENG | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Constable, Christine F | | | 1439 | ENG | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Maber, Martyn J | | | 1351 | ENG | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Constable, John | | | 1510 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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