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Individual Calculations July 2013 |
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| Kostovetsky, Daniel Total change: 57.00 | |   |
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| 3rd Annual New Yorker Open | New York, New York | USA | 2013-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 1836 | 2.00 | 5 | 1.08 | 30 | 32.40 | |
|  Guevara, Robert N | | | 2050 | USA | 0.00 | 1 | -0.23 | 30 | -6.90 | |  Berg, George P | | | 2068 | USA | 1.00 | 1 | 0.79 | 30 | 23.70 | | | Williams, Alan P | | | 2163 | USA | 0.50 | 1 | 0.37 | 30 | 11.10 | | | Weiner, Zachary J | | | 2095 | USA | 0.00 | 1 | -0.18 | 30 | -5.40 | | | Karen, Brian | | | 2106 | USA | 0.50 | 1 | 0.33 | 30 | 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) | | | NOTE: K factor changed | | 6th New York International - U2200 Section | New York, New York | USA | 2013-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1836 | 3.00 | 4 | 1.64 | 15 | 24.60 | |
| | Torras, Teseo L | | | 1740 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Barsky, Sam Alex | | | 1984 | USA | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Lim, Michael | c | | 2125 | USA | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Polyakin Jr, Vladimir | | | 2008 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | |
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) | | |
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