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Individual Calculations August 2023 |
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| Carbajal Sotomayor, Cesar Stefano Total change: -77.20 | |   |
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| 4 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1561 | 1119 | 0.00 | 2 | -0.16 | 40 | -6.40 | |
|  Bendezu Yupanqui, Albert Martin | | | 1678 | PER | 0.00 | 1 | -0.03 | 40 | -1.20 | |  Maravi Ceron, Ayme | | | 1443 | PER | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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) | | | | V Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1233 | 1119 | 0.00 | 4 | -1.43 | 40 | -57.20 | |
| | Reyes Zavaleta, Sergio Gabriel | | | 1291 | PER | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Suarez Chavez, Alejandro | | | 1173 | PER | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Mendoza Alata, Victor Gabriel | | | 1063 | PER | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Stuart Llanos, Alejandro Jose | | | 1406 | PER | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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) | | | | VI Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1356 | 1119 | 0.00 | 3 | -0.65 | 40 | -26.00 | |
| | Astoyauri De La Cruz, Fernando Is | | | 1513 | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Reyes Zavaleta, Sergio Gabriel | | | 1291 | PER | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Espichan Serna, Magaly Del Rosari | | | 1265 | PER | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | Campeonato Nacional de Ajedrez Impar 2023 - Sub 11 Absoluto | Lima | PER | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1264 | 1119 | 2.00 | 5 | 0.31 | 40 | 12.40 | |
| | Huacce Rojas, Milwer Sebastian | | | 1214 | PER | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Paredes Minaya, Crhistian Jesus | | | 1331 | PER | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Ydrogo Agreda, Gustavo Alonso | | | 1116 | PER | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Takahashi Guevara, Javier Kazuo | | | 1108 | PER | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Vilca Contreras, Dante Ivan | | | 1550 | PER | 0.00 | 1 | -0.07 | 40 | -2.80 | |
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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