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Individual Calculations September 2010 |
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| Bryant, John Daniel Total change: -2.50 | |   |
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| 2010 US Junior Championship | St. Louis, Missouri | USA | 2010-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2369 | 2403 | 4.50 | 9 | -0.40 | 10 | -4.00 | |
|  Harper, Warren T | f | | 2304 | USA | 0.00 | 1 | -0.64 | 10 | -6.40 | | | Robson, Ray | g | | 2562 | USA | 0.00 | 1 | -0.29 | 10 | -2.90 | |  Shankland, Samuel | m | | 2513 | USA | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Hughes, Tyler B | | | 2312 | USA | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Yang, Darwin | f | | 2396 | USA | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Rosen, Eric S | | | 2179 | USA | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Zierk, Steven C | f | | 2385 | USA | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Holt, Conrad | f | | 2402 | USA | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Zhao, Parker B | | | 2267 | USA | 0.50 | 1 | -0.18 | 10 | -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) | | | | 111th Annual US Open - Jerry Hanken Memorial | Irvine, California | USA | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2208 | 2403 | 5.50 | 8 | -0.24 | 10 | -2.40 | |
| | Chiang, Michael | | | 2003 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Tanaka, Christian | | | 2127 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Ginsburg, Mark | m | | 2385 | USA | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Liu, Elliott Joseph | f | | 2276 | USA | 0.00 | 1 | -0.67 | 10 | -6.70 | | | Gunawan, Cheston | | | 2003 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Phillips, Jeff | | | 2041 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Thaler, Michael | | | 2253 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Shabalov, Alexander | g | | 2578 | USA | 0.00 | 1 | -0.27 | 10 | -2.70 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2nd Annual Central California Open | Fresno, California | USA | 2010-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2377 | 2403 | 3.00 | 5 | 0.39 | 10 | 3.90 | |
| | Daud, Haryanto | | | 2183 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Antonio Jr, Rogelio | g | | 2575 | PHI | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Perepelitsky, Philip | | | 2124 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Sevillano, Enrico | m | | 2502 | USA | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Kraai, Jesse | g | | 2502 | USA | 0.50 | 1 | 0.14 | 10 | 1.40 | |
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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