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Individual Calculations June 2023 |
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| Arnott, Jonathan W Total change: 19.20 | |   |
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| II Chessable Sunway Formentera Chess Festival 2023 Grup A | Formentera (Baleares) | ESP | 2023-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 2080 | 3.50 | 10 | 0.06 | 20 | 1.20 | |
|  Fernandez Guillen, Ernesto J. | m | | 2461 | CUB | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Ibanez Aullana, Ramon | f | | 2292 | ESP | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Krzywda, Andrzej | c | | 2223 | POL | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Halmeenmaki, Tuomo | | | 2114 | FIN | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Belezky, Alexander | m | | 2331 | GER | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Jacobson, Aaron | f | | 2280 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Bergstrom, Rolf | f | | 2196 | SWE | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Grutter, Tim | f | | 2353 | NED | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Advaitt, Srikant Koduri | | | 1680 * | IND | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Lacrosse, Marc | f | | 2081 | BEL | 0.50 | 1 | 0.00 | 20 | 0.00 | | | * 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) | | | | 2022/23 4NCL Division 1 Rounds 9-11 | Milton Keynes | ENG | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2294 | 2080 | 0.50 | 1 | 0.27 | 20 | 5.40 | |
| | Delaney, Killian | f | | 2294 | IRL | 0.50 | 1 | 0.27 | 20 | 5.40 | |
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) | | | | Durham County Chess Congress - Open | Darlington | ENG | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 2080 | 4.00 | 5 | 0.63 | 20 | 12.60 | |
| | Ridge, Michael | | | 1818 | SCO | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Armbruster, David | | | 1871 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Walker, David J | f | | 2254 | ENG | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Harkness, Bryan | | | 1935 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Tart, Peter K | | | 1817 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | |
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) | | |
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