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Individual Calculations May 2023 |
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| Westcott, Dale Total change: -19.60 | |   |
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| 2023 Welsh Open | Cardiff | WLS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1581 | 1607 | 3.00 | 5 | 0.11 | 40 | 4.40 | |
|  Hammett, Scott | | | 1283 | WLS | 1.00 | 1 | 0.13 | 40 | 5.20 | |  Yoganand | | | 2178 | IND | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Bickford, Ben | | | 1482 | WLS | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Hollyman, Mike | | | 1418 | WLS | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Fowler, Caspian | | | 1546 | WLS | 0.00 | 1 | -0.58 | 40 | -23.20 | |
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) | | | NOTE: K factor changed | | OPEN CHESS MENORCA B | Ciudadela (Menorca) | ESP | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1309 | 1607 | 5.50 | 8 | -1.20 | 20 | -24.00 | |
| | Rojo Pocovi, Jaume | | | 1165 | ESP | 0.50 | 1 | -0.44 | 20 | -8.80 | | | Nguyen, Tri Khoi | | | 1315 | BEL | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Genestar Zarralanga, Pau | | | 1329 | ESP | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Ibanez Gijon, Ruben | | | 1447 | ESP | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Tomas Viver, Toni | | | 1469 | ESP | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Benejam Gonalons, Pau | | | 1286 | ESP | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Marti, Victor | | | 1207 * | FRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lokeswara, Rao M | | | 1251 | IND | 0.50 | 1 | -0.39 | 20 | -7.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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