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Individual Calculations August 2023 |
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| Buckley, Graeme N Total change: 4.20 | |   |
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| ECF Counties Championship - Final | Staines | ENG | 2023-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2275 | 2345 | 0.50 | 1 | -0.10 | 10 | -1.00 | |
|  Gallana, Marco | | | 2275 | ITA | 0.50 | 1 | -0.10 | 10 | -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) | | | | European Senior Team Chess Championship 2023 - Section O50 | Swidnica | POL | 2023-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 2345 | 4.50 | 6 | 0.15 | 10 | 1.50 | |
| | Kowalczuk, Wojciech | | | 2066 | POL | 1.00 | 1 | 0.16 | 10 | 1.60 | |  Baliuniene, Margarita | | | 1945 * | LTU | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Osiecki, Stanislaw | f | | 1981 | POL | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Hebden, Mark L | g | | 2436 | ENG | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Burnett, Andrew | f | | 2243 | SCO | 0.00 | 1 | -0.64 | 10 | -6.40 | | | Rewitz, Poul | f | | 2217 | DEN | 1.00 | 1 | 0.33 | 10 | 3.30 | | | * 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) | | | | II Kingston Invitational - Masters (IM Norm) | Kingston upon Thames | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2249 | 2345 | 6.00 | 9 | 0.37 | 10 | 3.70 | |
| | Bezuidenhout, Roland | f | | 2217 | RSA | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Murphy, Conor E | m | | 2452 | IRL | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Muir, Andrew J | m | | 2225 | SCO | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Large, Peter G | m | | 2235 | ENG | 0.00 | 1 | -0.65 | 10 | -6.50 | | | Maycock Bates, David Henry | c | | 2243 | MEX | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Li, Vladimir | c | | 2294 | ENG | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Ratnesan, Ranesh | c | | 2216 | ENG | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Lalic, Peter D | c | | 2103 | ENG | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Baker, Chris W | m | | 2254 | ENG | 0.50 | 1 | -0.12 | 10 | -1.20 | |
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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