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Rapid:
Individual Calculations September 2021 |
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| Piraquive, Alberto Total change: 6.60 | |   |
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| IRT Torneo de Ajedrez Activo Sub2000 Amateur | Pandi | COL | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 1910 | 3.00 | 4 | 0.33 | 20 | 6.60 | |
|  Ramos Ortiz, Carlos Alberto | | | 1457 | COL | 1.00 | 1 | 0.06 | 20 | 1.20 | |  Salcedo Carrillo, Camilo | | | 1692 | COL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Vargas Diaz, David Alejandro | | | 1784 | COL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Rodriguez Mayorga, Julian E | | | 2075 | COL | 0.00 | 1 | -0.28 | 20 | -5.60 | |
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) | | |
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