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Individual Calculations September 2018 |
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| McDonald, Margaret Total change: -40.60 | |   |
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| 73e Open Fide Inter Chess de Trois Rondes B (-1600) | PARIS | FRA | 2018-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1299 | 1345 | 1.50 | 3 | -0.17 | 20 | -3.40 | |
|  Mouton, Jacques | | | 1478 | FRA | 0.00 | 1 | -0.32 | 20 | -6.40 | |  Sepahpour, Shervine | | | 1279 | FRA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Brehaut, Diane | | | 1139 | FRA | 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) | | | | 25th Abu Dhabi Int. Chess Festival(Open) | Abu Dhabi | UAE | 2018-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1547 | 1345 | 0.00 | 5 | -1.37 | 20 | -27.40 | |
| | Mohamed, Marshool | | | 1745 * | UAE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Solano, Rayjan | | | 1689 | PHI | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Akrasi, Itoro | | | 1652 | NGR | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Alhammadi, Khalifa Mohamed | | | 1018 | UAE | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Gary, Flores | | | 1632 | PHI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | * 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) | | | | 316B Open FIDE du club 608 (-1500) | PARIS | FRA | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1345 | 1.00 | 3 | -0.49 | 20 | -9.80 | |
| | Lespagnol, Dominique | | | 1191 | FRA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Toussaint, Florent | | | 1453 | FRA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Lasfar, Karim | | | 1392 | FRA | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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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