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Individual Calculations July 2013 |
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| Kostadinov, Georgi Total change: 34.35 | |   |
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| 2013 Calgary International | Calgary, Alberta | CAN | 2013-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2280 | 2082 | 4.00 | 9 | 1.64 | 30 | 49.20 | |
|  Porper, Edward | m | | 2423 | CAN | 1.00 | 1 | 0.88 | 30 | 26.40 | |  Jayakumar, Adarsh | f | | 2336 | USA | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Piasetski, Leon | m | | 2282 | CAN | 0.50 | 1 | 0.26 | 30 | 7.80 | | | Langer, Michael | f | | 2237 | USA | 0.00 | 1 | -0.29 | 30 | -8.70 | | | Yam, Alex | | | 2283 | CAN | 1.00 | 1 | 0.76 | 30 | 22.80 | | | Peter, Steven | | | 2234 | CAN | 1.00 | 1 | 0.70 | 30 | 21.00 | | | Cao, Jason | f | | 2026 | CAN | 0.00 | 1 | -0.58 | 30 | -17.40 | | | Perelshteyn, Eugene | g | | 2482 * | USA | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Gardner, Robert J | | | 2217 | CAN | 0.50 | 1 | 0.18 | 30 | 5.40 | | | * 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) | | | NOTE: K factor changed | | 2013 National Open - Open Section | Las Vegas, Nevada | USA | 2013-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2082 | 1.00 | 6 | -0.99 | 15 | -14.85 | |
| | Homa, Seth | f | | 2307 | USA | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Harmon-Vellotti, Luke | f | | 2340 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Balkum, Alexander | | | 2107 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Banawa, Joel | f | | 2349 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Labedz, Patrycja A | | wf | 2108 | POL | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Wolfley, Lawrence | | | 2098 | USA | 0.00 | 1 | -0.48 | 15 | -7.20 | |
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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