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Individual Calculations July 2010 |
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| Sevillano, Enrico Total change: -4.60 | |   |
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| 2010 Lina Grumette Memorial Day Classic | Los Angeles, California | USA | 2010-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2298 | 2507 | 4.00 | 5 | 0.21 | 10 | 2.10 | |
|  Gupta, Ankit | | | 2141 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Landaw, Julian W | | | 2279 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Peters, Jack | m | | 2372 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Bryant, John Daniel | f | | 2367 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Taylor, Timothy W | m | | 2329 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | |
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) | | | | Capablanca Memorial Championship | Santa Clara, California | USA | 2010-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2340 | 2507 | 4.50 | 6 | 0.28 | 10 | 2.80 | |
| | Manvelyan, Hayk | | | 2107 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Lee, Andy C | f | | 2302 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Matikozyan, Andranik | m | | 2494 | ARM | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Zierk, Steven C | f | | 2377 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | De Guzman, Ricardo | m | | 2395 | PHI | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Bryant, John Daniel | f | | 2367 | USA | 0.00 | 1 | -0.69 | 10 | -6.90 | | | * 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) | | | | 2010 National Open | Las Vegas, Nevada | USA | 2010-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2303 | 2507 | 3.50 | 6 | -0.95 | 10 | -9.50 | |
| | Wallach, Kenneth T | | | 2166 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Dean, Jim H | f | | 2235 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Sinanan, Joshua C | | | 2258 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Young, Gregory | | | 2268 | USA | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Small, Gregg H | f | | 2234 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Fridman, Daniel | g | | 2654 | GER | 0.00 | 1 | -0.30 | 10 | -3.00 | |
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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