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Individual Calculations March 2015 |
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| Bartochowski, Nicholas Total change: 70.40 | |   |
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| 2nd Greater Midwest Class Championships - Class A | Skokie, Illinois | USA | 2014-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1683 | 1899 | 2.50 | 3 | 0.20 | 40 | 8.00 | |
|  Kosteris, Dimitri | | | 1777 | USA | 0.50 | 1 | -0.17 | 40 | -6.80 | |  Winick, Jon | | | 1709 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Pandey, Ritika | | | 1564 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | |
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) | | | | 2015 Tim Just's WInter Open/Reserve XXXII | Deerfield, Illinois | USA | 2015-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2112 | 1906 | 2.00 | 4 | 0.93 | 40 | 37.20 | |
| | Velikanov, Alexand | f | | 2268 | USA | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Wang, Ricky | | | 1814 | USA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Kasiurak, Zach | | | 2226 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Chow, Albert C | f | | 2140 | USA | 0.50 | 1 | 0.29 | 40 | 11.60 | |
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) | | | | ChessIQ January 2015 Quads | Skokie, Illinois | USA | 2015-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 1906 | 1.50 | 3 | 0.63 | 40 | 25.20 | |
| | Cantrell, Grady C | | | 2060 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Furfine, Jacob | | | 2106 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Bronfeyn, Daniel | | | 2020 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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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