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Individual Calculations September 2011 |
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| Berrios Echevarria, Gabriel Total change: 14.40 | |   |
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| Puerto Rico National Championship 2011 | San Juan | PUR | 2011-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 2229 | 6.00 | 8 | 1.20 | 15 | 18.00 | |
|  Guzman Freire, Julio | | | 1948 | PUR | 1.00 | 1 | 0.16 | 15 | 2.40 | |  Freyre, Jorge | | | 2116 | PUR | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Ovalle Burgos, Ramon | c | | 2209 | PUR | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Machin Rivera, Mark | c | | 2255 | PUR | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Vazquez Reyes, Raul | c | | 2217 | PUR | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Almedina Ortiz, Edgardo J | f | | 2228 | PUR | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Zilleruelo Irizarry, Diego | | | 1955 | PUR | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Montalvo Rosario, Alejandro | m | | 2248 | PUR | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2229 | 3.00 | 6 | -0.24 | 15 | -3.60 | |
| | Myers, Dominique | | | 2109 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Harmon-Vellotti, Luke | | | 2184 | USA | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Schlagenhauf, Mark | | | 2179 | NOR | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Sundararajan, Kidambi | g | | 2491 | IND | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Zepeda, Lorena M | | wm | 2187 | ESA | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Dixon, Dakota E | | | 2069 | USA | 0.50 | 1 | -0.21 | 15 | -3.15 | |
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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