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Individual Calculations July 2013 |
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| Chiang, Jonathan Total change: 55.20 | |   |
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| 22nd Annual Chicago Open - Master Section | Wheeling, Illinois | USA | 2013-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2274 | 2079 | 2.00 | 7 | 0.22 | 15 | 3.30 | |
|  Jayakumar, Adarsh | f | | 2336 | USA | 1.00 | 1 | 0.82 | 15 | 12.30 | |  Bryant, John Daniel | f | | 2442 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Santarius, Erik | | | 2292 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Cao, Kevin Y | | | 2201 | USA | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Colas, Joshua | | | 2201 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Morshedi, Ali | f | | 2227 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Preotu, Razvan | | | 2221 | CAN | 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) | | | | 2013 National Open - Open Section | Las Vegas, Nevada | USA | 2013-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2324 | 2076 | 3.00 | 6 | 1.56 | 15 | 23.40 | |
| | Robson, Ray | g | | 2476 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Salman, Nachum | f | | 2189 | USA | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Anderson, Michael | | | 1880 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Bryant, John Daniel | f | | 2445 | USA | 1.00 | 1 | 0.90 | 15 | 13.50 | | | Mikhalevski, Victor | g | | 2476 * | ISR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | De Firmian, Nick E | g | | 2476 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | | | 6th New York International - Championship Section | New York, New York | USA | 2013-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2422 | 2076 | 2.50 | 5 | 1.90 | 15 | 28.50 | |
| | Balasubramanian, Adithya | | | 2298 | IND | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Shankland, Sam | g | | 2476 * | USA | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Herman, Matthew J | | | 2389 | USA | 1.00 | 1 | 0.86 | 15 | 12.90 | | | Kacheishvili, Giorgi | g | | 2476 * | GEO | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Gerzhoy, Leonid | m | | 2469 | CAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | |
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