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Individual Calculations September 2011 |
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| Gu, Christopher Total change: -12.60 | |   |
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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 |
| 2013 | 2227 | 3.00 | 4 | -0.02 | 15 | -0.30 | |
|  Kalra, Agastya | | | 1827 * | CAN | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Shen, Arthur | f | | 2146 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Chandran, Kapil | | | 2048 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Moon, Kyle | | | 2029 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | * 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) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2191 | 2222 | 2.00 | 4 | -0.18 | 15 | -2.70 | |
| | Suich, Peter | | | 2149 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Mulyar, Michael A | m | | 2410 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Bowersock, Michael | | | 2064 | USA | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Karas, Nicholas | | | 2142 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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 |
| 2059 | 2222 | 1.50 | 3 | -0.64 | 15 | -9.60 | |
| | Karamsetty, Jeevan | | | 2017 | USA | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Chandran, Kapil | | | 2048 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Tyagi, Kushan | | | 2113 | USA | 1.00 | 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) | | |
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