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Individual Calculations September 2011 |
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| Xanthos, Constantine Total change: 4.80 | |   |
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| 4th Summer Solstice Open | Fort Lauderdale, Florida | USA | 2011-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 2131 | 0.50 | 1 | -0.07 | 30 | -2.10 | |
|  Goss, Mel H | | | 2084 | USA | 0.50 | 1 | -0.07 | 30 | -2.10 | |
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) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2131 | 1.00 | 2 | 0.23 | 30 | 6.90 | |
|  Zapata, Alonso | g | | 2473 | COL | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Aird, Ian | | | 2020 | SCO | 1.00 | 1 | 0.35 | 30 | 10.50 | |
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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