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Individual Calculations May 2023 |
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| Rovaretti, David Total change: -22.40 | |   |
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| 2023 Welsh Open | Cardiff | WLS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1641 | 2.00 | 5 | -1.01 | 20 | -20.20 | |
|  Emblem, Mark | | | 1403 | WLS | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Bickford, Ben | | | 1482 | WLS | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Yoganand | | | 2178 | IND | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Szakmany, Bence | | | 1545 | WLS | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Mason, Edward | | | 1361 | WLS | 0.00 | 1 | -0.84 | 20 | -16.80 | |
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) | | | | Welsh Chess Premier League Open 2023 Round 3 | Bridgend | WLS | 2023-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1641 | 0.00 | 1 | -0.11 | 20 | -2.20 | |
| | Garcia, Jason | | | 1995 | WLS | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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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