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Individual Calculations May 2012 |
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| Markzon, Gregory Total change: -3.90 | |   |
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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 |
| 2149 | 2253 | 2.00 | 4 | -0.55 | 15 | -8.25 | |
|  Yelsky, Max | | | 2031 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Shvartsman, Andrew | c | | 2234 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Salman, Joel | f | | 2171 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | |  Ng, Andrew | | | 2161 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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 |
| 2263 | 2227 | 4.00 | 8 | 0.29 | 15 | 4.35 | |
| | Kacheishvili, Giorgi | g | | 2612 | GEO | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Colas, Joshua | | | 2057 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Kekelidze, Mikheil | g | | 2473 | GEO | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Sakai, Hibiki | | | 2031 | JPN | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Patil, Anuprita A | | | 2094 | IND | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Bonin, Jay Richard | m | | 2313 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Arias Santana, Mauricio | m | | 2335 | CRC | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Black Jr, James A | | | 2190 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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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