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Individual Calculations May 2012 |
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| Gu, Christopher Total change: 26.55 | |   |
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| 42nd Annual World Amateur Team and US Team East | Parsippany, New Jersey | USA | 2012-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2288 | 2209 | 3.00 | 5 | 0.92 | 15 | 13.80 | |
|  Hua, David | | | 2151 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Getz, Alec | f | | 2326 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | |  Ramirez, Alejandro | g | | 2594 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Martirosov, Vadim | | | 2247 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Shetty, Atulya A | | | 2121 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | 21st Annual Eastern Class Championships | Sturbridge, Massachusetts | USA | 2012-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2225 | 2196 | 2.00 | 3 | 0.55 | 15 | 8.25 | |
| | Rozovsky, Daniel | f | | 2098 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Friedel, Joshua E | g | | 2520 | USA | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Colas, Joshua | | | 2057 | 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) | | | | 6th Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2012-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2235 | 2196 | 4.00 | 8 | 0.30 | 15 | 4.50 | |
| | Stripunsky, Alexander | g | | 2566 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Lucente, Mike | | | 2041 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Sarkar, Justin | m | | 2391 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Arias Santana, Mauricio | m | | 2335 | CRC | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Schein, Aaron O | | | 2048 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Hendrickson, Nolan | | | 2142 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Homa, Seth | f | | 2306 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Kasiurak, Zach | | | 2050 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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) | | |
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