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Individual Calculations October 2013 |
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| Mumford, Robert Total change: 42.60 | |   |
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| XV Open Internacional Escacs de Sants, Hostafrancs i la Bordeta Grup B | Barcelona | ESP | 2013-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1672 | 1562 | 2.50 | 6 | 0.38 | 30 | 11.40 | |
|  Bonay Toscas, Santiago | | | 1815 | ESP | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Palau Fontanet, David | | | 1759 | ESP | 0.00 | 1 | -0.25 | 30 | -7.50 | |  Perez Vizcaino, Joan Manel | | | 1739 | ESP | 0.50 | 1 | 0.23 | 30 | 6.90 | | | Ferres Saez, Joan | | | 1734 | ESP | 0.00 | 1 | -0.27 | 30 | -8.10 | | | Godart, Clara | | | 1273 | BEL | 1.00 | 1 | 0.16 | 30 | 4.80 | | | Mas Sayos, Lluis | | | 1711 | ESP | 1.00 | 1 | 0.70 | 30 | 21.00 | |
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) | | | NOTE: K factor changed | | e2e4 Bedford U2000 Sept 2013 | Bedford | ENG | 2013-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 1562 | 2.50 | 4 | 2.08 | 15 | 31.20 | |
| | Kennedy, Craig | | | 1922 | SCO | 1.00 | 1 | 0.90 | 15 | 13.50 | | | Wood, Peter R | | | 1962 * | ENG | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Shah, Dipak K | | | 1892 | ENG | 1.00 | 1 | 0.88 | 15 | 13.20 | | | Jacob, Sydney J | | | 1904 | ENG | 0.00 | 1 | -0.12 | 15 | -1.80 | | | * 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) | | |
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