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Individual Calculations May 2023 |
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| McGillivray, Calum Total change: -5.60 | |   |
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| Guildford FIDE Congres - Major | Guildford | ENG | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1719 | 1.50 | 3 | 0.20 | 20 | 4.00 | |
|  Manuchehri, Alireza | | | 1782 | IRI | 1.00 | 1 | 0.59 | 20 | 11.80 | |  Heath, Chris W | | | 1760 | ENG | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Golding, William | | | 1754 | ENG | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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) | | | | Coulsdon Chess Standardplay Congress Easter 2023 - Premier (U2000) | Coulsdon | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1695 | 2.00 | 4 | -0.22 | 20 | -4.40 | |
| | Jackson, Paul G | | | 1594 | ENG | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Airlie, Arran | | | 1635 | ENG | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Mozaffari, Mohammad H | | | 1659 | IRI | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Kamath, Raghu | | | 1731 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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) | | | | Perth Congress 2023 U1800 | Perth | SCO | 2023-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1494 | 1695 | 0.50 | 1 | -0.26 | 20 | -5.20 | |
| | Yapp, Christopher | | | 1494 | ENG | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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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