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Individual Calculations April 2023 |
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| Gibiec, Ernest Total change: -13.20 | |   |
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| Welsh Spring Open 2023 | Cardiff | WLS | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1668 | 2138 | 2.00 | 3 | -0.84 | 20 | -16.80 | |
|  Westcott, Dale | | | 1568 | WLS | 0.00 | 1 | -0.98 | 20 | -19.60 | | | Macdonald, Duncan | | | 1738 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Chong, Kimberly | | | 1699 | WLS | 1.00 | 1 | 0.06 | 20 | 1.20 | | | * 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) | | | | 2. liga F 2022-2023 r10-11 | various | CZE | 2023-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2159 | 2138 | 0.50 | 1 | 0.03 | 20 | 0.60 | |
| | Jaworski, Miroslaw | m | | 2159 | POL | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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 2 | Bridgend | WLS | 2023-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1936 | 2138 | 1.00 | 1 | 0.24 | 20 | 4.80 | |
| | Saunders, Walter N. R. | | | 1936 | WLS | 1.00 | 1 | 0.24 | 20 | 4.80 | |
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) | | | | MKSS Krajsky prebor 2022-2023 r10 | various | CZE | 2023-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 2138 | 0.50 | 1 | -0.09 | 20 | -1.80 | |
| | Cempel, Jaroslav | f | | 2076 | CZE | 0.50 | 1 | -0.09 | 20 | -1.80 | |
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) | | |
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