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Individual Calculations May 2023 |
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| Jackson, Paul G Total change: -0.80 | |   |
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| Coulsdon Chess Dicky White - April | London | ENG | 2023-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1673 | 1594 | 0.50 | 1 | 0.11 | 20 | 2.20 | |
|  Heavens, Alan F | | | 1673 | ENG | 0.50 | 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) | | | | Coulsdon Chess Standardplay Congress Easter 2023 - Premier (U2000) | Coulsdon | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1660 | 1594 | 1.50 | 4 | -0.15 | 20 | -3.00 | |
|  McGillivray, Calum | | | 1695 | SCO | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Mozaffari, Mohammad H | | | 1659 | IRI | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Leigh, Dominic | | | 1531 | ENG | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Rubeck, Jonathan | | | 1756 | ENG | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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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