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Individual Calculations February 2013 |
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| Williams, Chris Total change: -12.45 | |   |
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| 2013 Boston Chess Congress - Major Section | Boston, Massachusetts | USA | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 2162 | 2.00 | 4 | -0.48 | 15 | -7.20 | |
|  Carter, David E | | | 2101 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Fishbein, Matthew | | | 1889 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Miller, Jake S | | | 2089 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Krasik, Ilya | | | 2187 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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) | | | | 45th Annual Liberty Bell Open - U2300 Section | Philadelphia, Pennsylvania | USA | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 2162 | 3.00 | 5 | -0.35 | 15 | -5.25 | |
| | Sakai, Hibicki | | | 2063 | JPN | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Dong, Alice | | | 1874 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Rade, Dan M | | | 1926 | USA | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Nolan, Gregory Matthew | | | 2066 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Yuvarajan, Prathiba | | wm | 2204 | IND | 1.00 | 1 | 0.56 | 15 | 8.40 | |
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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