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Individual Calculations September 2009 |
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| Lugo, Blas Total change: 0.50 | |   |
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| 2009 US Class Championships | Boca Raton, Florida | USA | 2009-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 2380 | 1.50 | 3 | -0.90 | 10 | -9.00 | |
|  Santalla, Andres | | | 2063 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | |  Rodriguez, Eric | | | 2245 | USA | 0.00 | 1 | -0.68 | 10 | -6.80 | | | Veksler, Boris | | | 2088 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | |
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) | | | | 17th Annual Southern Open | Kissimmee, Florida | USA | 2009-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2226 | 2380 | 2.50 | 3 | 0.49 | 10 | 4.90 | |
| | Van, Der Lende Illias | | | 2021 | NED | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Becerra, Julio J | g | | 2557 | USA | 0.50 | 1 | 0.23 | 10 | 2.30 | | | Daly, Troy | | | 2101 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | |
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) | | | | 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2554 | 2380 | 1.00 | 2 | 0.46 | 10 | 4.60 | |
| | Sevillano, Enrico | m | | 2528 | USA | 1.00 | 1 | 0.70 | 10 | 7.00 | | | Shabalov, Alexander | g | | 2580 | USA | 0.00 | 1 | -0.24 | 10 | -2.40 | |
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) | | |
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