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Individual Calculations March 2010 |
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| Gravett, Alan D Total change: -13.20 | |   |
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| Gibraltar Challengers A | Gibraltar | ENG | 2010-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 1926 | 0.50 | 4 | -1.37 | 15 | -20.55 | |
|  Cafolla, Peter | | | 2042 | IRL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Mascarenhas, Alberto Pinhe | f | | 2238 | BRA | 0.00 | 1 | -0.14 | 15 | -2.10 | |  Hansen, Erle Andrea Marki | | | 1699 | NOR | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Bishop, Geoffrey L | | | 1851 | ENG | 0.00 | 1 | -0.60 | 15 | -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) | | | | Gibraltar Challengers B | Gibraltar | ENG | 2010-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2075 | 1926 | 2.00 | 5 | 0.49 | 15 | 7.35 | |
| | Cafolla, Peter | | | 2042 | IRL | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Flores Chico, Jorge | | | 2052 | ESP | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Vinas Guerrero, Carlos A. | | | 2120 | ESP | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Pendlebury, Ian G | | | 2091 | ENG | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Osttveit, Martin | | | 2069 | NOR | 0.50 | 1 | 0.19 | 15 | 2.85 | |
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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