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Individual Calculations February 2013 |
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| Krasik, Ilya Total change: 49.50 | |   |
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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 |
| 2157 | 2187 | 4.00 | 5 | 1.31 | 30 | 39.30 | |
|  Miller, Jake S | | | 2089 | USA | 1.00 | 1 | 0.37 | 30 | 11.10 | |  Carter, David E | | | 2101 | USA | 1.00 | 1 | 0.38 | 30 | 11.40 | | | Wang, Qibiao | | | 2206 | CHN | 1.00 | 1 | 0.53 | 30 | 15.90 | | | Barrett, Steve | | | 2228 | ENG | 0.00 | 1 | -0.44 | 30 | -13.20 | | | Williams, Chris | | | 2162 | USA | 1.00 | 1 | 0.47 | 30 | 14.10 | |
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) | | | | 45th Annual Liberty Bell Open - U2300 Section | Philadelphia, Pennsylvania | USA | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 2187 | 3.50 | 5 | 0.34 | 30 | 10.20 | |
| | Yanovsky, Vlad | | | 1941 | USA | 1.00 | 1 | 0.19 | 30 | 5.70 | | | Vianna, Paul | | | 2224 | USA | 1.00 | 1 | 0.55 | 30 | 16.50 | | | Nolan, Gregory Matthew | | | 2066 | USA | 1.00 | 1 | 0.34 | 30 | 10.20 | | | Ventura, Christopher Anthony | | | 1993 | USA | 0.50 | 1 | -0.25 | 30 | -7.50 | | | Selzler, Richard | | | 2193 | USA | 0.00 | 1 | -0.49 | 30 | -14.70 | |
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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