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Individual Calculations September 2011 |
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| Vilenchuk, Michael Total change: 32.70 | |   |
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| 2011 North American Youth Championship - U18 Open | Tarrytown, New York | USA | 2011-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 2186 | 4.50 | 6 | 0.50 | 15 | 7.50 | |
|  Eng, Randel | | | 1964 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | |  Liu, Bingjie | | | 2032 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Karas, Nicholas | | | 2142 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Kats, Alena | | | 2092 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Benitez Lozano, Javier | | | 1995 | MEX | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Ng, Andrew | | | 2138 | USA | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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) | | | | 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2164 | 2186 | 3.00 | 7 | -0.66 | 15 | -9.90 | |
| | Lucente, Mike | | | 2041 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Winter, Curtis A | | | 1928 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Melekhina, Alisa | f | wm | 2304 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Figler, Ilye | m | | 2304 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Machin, Mark | c | | 2255 | PUR | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Khamroev, Ravshan | | | 2275 | UZB | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Wu, Christopher | | | 2044 | USA | 0.00 | 1 | -0.69 | 15 | -10.35 | |
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 |
| 2132 | 2183 | 3.50 | 6 | 0.08 | 15 | 1.20 | |
| | Dixon, Dakota E | | | 2069 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Regam, Jessica | | | 1819 | USA | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Kleiman, Jake | m | | 2375 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Becerra, Julio J | g | | 2557 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Finegold, Spencer | | | 2037 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Gunawan, Cheston | | | 1936 | USA | 0.50 | 1 | -0.31 | 15 | -4.65 | |
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) | | | | 2011 Denker Tournament of High School Champions | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 2183 | 5.50 | 6 | 1.81 | 15 | 27.15 | |
| | Ma, Kevin | | | 1783 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Karas, Nicholas | | | 2142 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Moon, Ryan Joseph | | | 2185 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Ding, Jialin | | | 2178 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Golub, David | | | 2152 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Shao, Bob S | | | 2069 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | * 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) | | | | 2011 Manhattan Open - U2300 Section | New York, New York | USA | 2011-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 2183 | 2.00 | 3 | 0.45 | 15 | 6.75 | |
| | Barsky, Sam A | | | 2044 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Jacobs, Jon | f | | 2291 | USA | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Szuper, Paul | | | 2178 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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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