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Individual Calculations September 2011 |
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| Shen, Arthur Total change: 39.45 | |   |
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| 2011 North American Youth Championship - U14 Open | Tarrytown, New York | USA | 2011-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2116 | 2146 | 4.00 | 4 | 1.84 | 15 | 27.60 | |
|  Moon, Kyle | | | 2029 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | |  Gu, Christopher | | | 2227 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Williams, Justus D | | | 2167 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Colas, Joshua | | | 2040 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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) | | | | 39th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2192 | 2146 | 2.50 | 8 | -1.03 | 15 | -15.45 | |
| | Hungaski, Robert A | m | | 2452 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Korley, Kassa | f | | 2292 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Richman, Jonathan | | | 2066 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Aaron, Deepak | | | 2288 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Coleman, Teddy | f | | 2262 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Chiang, Sarah | | wc | 1962 | USA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Jones Jr, Joe C | | | 1959 | USA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Troff, Kayden W | | | 2255 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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 US Cadet Chess Tournament | Crossville, Tennessee | USA | 2011-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2158 | 2155 | 5.50 | 7 | 2.03 | 15 | 30.45 | |
| | Cao, Kevin Y | | | 2131 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Brown, Michael W | | | 2121 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Wang, Andrew C | | | 2158 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Mo, Kevin | | | 2095 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Shetty, Atulya A | | | 2116 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Bodek, Michael H | | | 2191 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Ostrovskiy, Aleksandr | f | | 2294 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | |
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) | | | | 2011 Barber K-8 Championship | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2155 | 2.00 | 4 | -0.21 | 15 | -3.15 | |
| | Tyagi, Kushan | | | 2113 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Williams, Justus D | | | 2182 | USA | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Xu, Grant Y | | | 2123 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Chandran, Kapil | | | 2048 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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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