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Individual Calculations August 2019 |
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| Altman, Joshua Total change: 60.30 | |   |
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| 13th Annual Philadelphia International - Expert | Philadelphia, Pennsylvania | USA | 2019-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1738 | 1843 | 2.50 | 5 | -0.64 | 30 | -19.20 | |
|  Reddy Selam, Raghu Ram | | | 1591 | IND | 1.00 | 1 | 0.19 | 30 | 5.70 | |  Li, Rachael | | | 1627 | USA | 0.50 | 1 | -0.28 | 30 | -8.40 | | | Narkeeran, Madhavan | | | 2021 | USA | 0.00 | 1 | -0.27 | 30 | -8.10 | | | Labuac Jr, Edilberto B | | | 1878 | PHI | 0.50 | 1 | 0.05 | 30 | 1.50 | | | Yang, Benjamin | | | 1572 | USA | 0.50 | 1 | -0.33 | 30 | -9.90 | |
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) | | | | 47th Annual World Open | Philadelphia, Pennsylvania | USA | 2019-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2099 | 1856 | 4.00 | 9 | 2.09 | 30 | 62.70 | |
| | Itkin, David | | | 2247 | CAN | 0.00 | 1 | -0.09 | 30 | -2.70 | | | Times, Lawyer | | | 2115 | USA | 0.00 | 1 | -0.18 | 30 | -5.40 | | | Zhao, Erick | c | | 2047 | USA | 1.00 | 1 | 0.75 | 30 | 22.50 | | | Sana, Mariano | | | 2113 | USA | 1.00 | 1 | 0.82 | 30 | 24.60 | | | Wang, Eigen | | | 2202 | USA | 0.00 | 1 | -0.11 | 30 | -3.30 | | | Studen, Damir | | | 2110 | USA | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Rogers, Norman | f | | 2182 | USA | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Harriott, Tyrell | | | 2003 | USA | 1.00 | 1 | 0.70 | 30 | 21.00 | | | Beckman, Thomas | | | 1871 | USA | 1.00 | 1 | 0.52 | 30 | 15.60 | |
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) | | | | 12th New York International | New York, New York | USA | 2019-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2059 | 1856 | 2.50 | 8 | 0.50 | 30 | 15.00 | |
| | Tremblay, Rejean | | | 2194 | CAN | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Bhatty, Karan | | | 2033 | IND | 0.00 | 1 | -0.27 | 30 | -8.10 | | | Lu, Maximillian | f | | 2090 | USA | 0.00 | 1 | -0.21 | 30 | -6.30 | | | Privman, Boris | f | | 2043 | USA | 0.50 | 1 | 0.24 | 30 | 7.20 | | | Cadavid, Juan | | | 1987 | COL | 0.00 | 1 | -0.32 | 30 | -9.60 | | | Shapiro-Erciyas, Ahmet | | | 1903 | USA | 0.00 | 1 | -0.43 | 30 | -12.90 | | | Balck, Eric | | | 2032 | USA | 1.00 | 1 | 0.73 | 30 | 21.90 | | | Jacobs, Jon | f | | 2187 | USA | 1.00 | 1 | 0.88 | 30 | 26.40 | |
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) | | | | DMV Chess League Season 4 Round 2 | Idylwood, Virginia | USA | 2019-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1856 | 0.50 | 1 | 0.06 | 30 | 1.80 | |
| | Guzman, Victor | | | 1898 | USA | 0.50 | 1 | 0.06 | 30 | 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) | | |
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