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Individual Calculations September 2023 |
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| Montevilla Cahuasa, Jonathan I. Total change: 9.20 | |   |
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| Memorial Alfonso Ferrufino Hurtado - 2023 | Cochabamba | BOL | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1335 | 1729 | 3.50 | 6 | -1.94 | 40 | -77.60 | |
|  Mendoza Salinas, Andre Alvaro | | | 1329 * | PER | 0.00 | 1 | -0.92 | 40 | -36.80 | |  Torrez Basto, Alex Sebastian | | | 1186 | BOL | 1.00 | 1 | 0.03 | 40 | 1.20 | | | Rodriguez Barrientos, Johan Razie | | | 1268 | BOL | 1.00 | 1 | 0.05 | 40 | 2.00 | | | Montevilla C., Elias Alejandro | | | 1483 | BOL | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Arce, Valeria | | | 1369 | BOL | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Ramirez Espinoza, Percy Willy | | | 1374 | BOL | 1.00 | 1 | 0.11 | 40 | 4.40 | | | * 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) | | | | XXXIII Pan-American Youth Chess Festival - Under 14 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1729 | 4.00 | 7 | 2.17 | 40 | 86.80 | |
| | Li, Michael | | | 1937 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Girish, Adarsh | | | 1438 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Willy, Stephen | c | | 2072 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Lin, Leo | | | 2087 | CAN | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Tang, Austin | | | 2011 | USA | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Casares Ugueto, Santiago De Jesu | | | 1832 | VEN | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Wang, Isaac | | | 2401 | USA | 0.00 | 1 | -0.01 | 40 | -0.40 | |
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) | | |
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