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Individual Calculations September 2010 |
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| Markovits, Alex Total change: -0.45 | |   |
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| 38th Annual World Open - U2400 Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2220 | 2102 | 4.00 | 9 | 0.93 | 15 | 13.95 | |
|  Ostrovskiy, Aleksandr | c | | 2254 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | |  Gisclan, Heverton | | | 2258 | BRA | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Cooke, Eric N | | | 2192 | USA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Aliyev, Timur | | | 2218 | ISR | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Allen, David J | | | 2133 | USA | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Formanek, Edward W | m | | 2241 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Wright, William B | | | 2174 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Vazquez, Raul | | | 2218 | PUR | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Homa, Seth | f | | 2295 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | 3rd Annual Chicago Class Championships | Oak Brook, Illinois | USA | 2010-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2102 | 1.50 | 4 | -0.33 | 15 | -4.95 | |
| | Chow, Albert C | f | | 2263 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Ulrich, Tommy | | | 2048 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Iwu, Okechukwu A | | | 2185 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Flaga, Krzysztof | | | 2053 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | |
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) | | | | Indianapolis Open | Indianapolis, Indiana | USA | 2010-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2102 | 2.00 | 5 | -0.63 | 15 | -9.45 | |
| | Helfst, Matt | | | 1933 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Finegold, Benjamin | g | | 2502 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Veech, John | | | 1995 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Fast, Nathaniel S | | | 2056 | USA | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Hollinberger, Drew | | | 2012 | USA | 0.50 | 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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