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Individual Calculations March 2015 |
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| Furfine, Jacob Total change: -5.20 | |   |
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| 2015 Tim Just's WInter Open/Reserve XXXII | Deerfield, Illinois | USA | 2015-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2091 | 2106 | 1.00 | 3 | -0.50 | 40 | -20.00 | |
|  Arond, Dean | | | 1778 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Velikanov, Alexand | f | | 2268 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Kasiurak, Zach | | | 2226 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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 |
| 1995 | 2106 | 1.50 | 3 | -0.44 | 40 | -17.60 | |
| | Bronfeyn, Daniel | | | 2020 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | |  Bartochowski, Nicholas | | | 1906 | USA | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Cantrell, Grady C | | | 2060 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | |
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) | | | | February 2015 Plus Score | Skokie, Illois | USA | 2015-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 2133 | 4.00 | 4 | 0.81 | 40 | 32.40 | |
| | Richmond Md, M Barrie | | | 1836 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Arond, Dean | | | 1778 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Tilenbaeva, Janyl | | | 2029 | KGZ | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Tutush, Dusan | | | 1884 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | |
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) | | |
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