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Individual Calculations May 2019 |
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| Vigorito, David Total change: 12.50 | |   |
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| 2019 Westford April Open | Westford, Massachusetts | USA | 2019-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2075 | 2330 | 2.50 | 4 | -0.55 | 10 | -5.50 | |
|  Bonnell, Leo W | | | 1930 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Padmanabhan, Karthik Sai | | | 1976 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Ivanov, Alexander | g | | 2464 | USA | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Pashkov, Peter | | | 1930 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | 13th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2019-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2395 | 2330 | 5.50 | 9 | 1.85 | 10 | 18.50 | |
| | Umayan, Vincent | | | 2058 | PHI | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Burke, John M | g | | 2550 | USA | 0.50 | 1 | 0.28 | 10 | 2.80 | | | Ramirez, Gerardo Alfonso | f | | 1930 * | CRC | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Niemann, Hans | m | | 2477 | USA | 1.00 | 1 | 0.70 | 10 | 7.00 | | | Shimanov, Aleksandr | g | | 2610 | RUS | 0.00 | 1 | -0.16 | 10 | -1.60 | | | Vazquez, Guillermo | m | | 2489 | PAR | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Ruiz Castillo, Joshua Daniel | m | | 2460 | COL | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Zhou, Jianchao | g | | 2623 | CHN | 0.50 | 1 | 0.35 | 10 | 3.50 | | | Rohde, Michael | g | | 2358 | USA | 0.50 | 1 | 0.04 | 10 | 0.40 | | | * 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) | | | | 2019 Denver Open | Denver, Colorado | USA | 2019-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2330 | 2.50 | 4 | -0.05 | 10 | -0.50 | |
| | Lundstrom, Brad | | | 1930 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Montgomery, Eamon | | | 1930 * | ESP | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kraai, Jesse | g | | 2484 | USA | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Rensch, Daniel | m | | 2388 | USA | 0.00 | 1 | -0.42 | 10 | -4.20 | | | * 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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