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Individual Calculations July 2011 |
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| Adelberg, David Total change: 44.70 | |   |
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| 2011 Lina Grumette Memorial Day Classic | Los Angeles, California | USA | 2011-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2241 | 2197 | 2.50 | 4 | 0.68 | 15 | 10.20 | |
|  Sevillano, Enrico | m | | 2510 | USA | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Yankovsky, Roman | | | 2363 | RUS | 0.00 | 1 | -0.28 | 15 | -4.20 | |  Alonso, Francisco | | | 2013 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Phillips, Jeff | | | 2077 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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 National Open - Open Section | Las Vegas, Nevada | USA | 2011-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2325 | 2197 | 1.50 | 3 | 0.47 | 15 | 7.05 | |
| | Cornejo, Max | m | | 2397 | PER | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Balkum, Alexander | | | 2116 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Kekelidze, Mikheil | g | | 2463 | GEO | 0.50 | 1 | 0.32 | 15 | 4.80 | |
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) | | | | 4th New York International | New York, New York | USA | 2011-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2363 | 2197 | 4.50 | 9 | 1.83 | 15 | 27.45 | |
| | Romanenko, Vladimir | m | | 2467 | BLR | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Vitoux, Colomban | m | | 2435 | FRA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Richman, Jonathan | | | 2066 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Herman, Matthew J | | | 2437 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Ariel, Donny | f | | 2381 | USA | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Uribe, Mauricio | m | | 2355 | COL | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Sundararajan, Kidambi | g | | 2467 | IND | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Gerzhoy, Leonid | m | | 2496 | CAN | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Resika, Nathan | f | | 2162 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | |
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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