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Individual Calculations March 2012 |
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| Karas, Nicholas Total change: -43.50 | |   |
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| 21st Annual North American Open - U2300 Section | Las Vegas, Nevada | USA | 2011-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 2080 | 1.00 | 6 | -1.65 | 15 | -24.75 | |
|  Belliard, Luis | | | 2172 | DOM | 0.00 | 1 | -0.37 | 15 | -5.55 | |  Weatherspoon, Kyle | | | 1972 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Perepelitsky, Philip | | | 2101 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Plotkin, David | | | 2113 | USA | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Small, Gregg H | f | | 2265 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Chan, Julian M | | | 2116 | USA | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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) | | | | 2011/12 New Year Open | Santa Clara, California | USA | 2011-12-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 2080 | 0.00 | 1 | -0.66 | 15 | -9.90 | |
| | Mandrusov, George | | | 1961 | USA | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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 Golden State Open | Concord, California | USA | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 2057 | 0.00 | 1 | -0.59 | 15 | -8.85 | |
| | Rand, Mark R | | | 1991 | USA | 0.00 | 1 | -0.59 | 15 | -8.85 | |
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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