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Individual Calculations September 2023 |
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| Valenzuela Reinoso, Safrys Total change: 101.52 | |   |
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| TORNEO IRT CLASICO PREPARACION AL NACIONAL 2023 SUB 1800 | Lima | PER | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1448 | 1138 | 1.00 | 4 | 0.36 | 36 | 12.96 | |
|  Balvin, Jorge | | | 1482 | PER | 0.00 | 1 | -0.12 | 36 | -4.32 | |  Jacome Cueva, Mariah Fernanda | | | 1312 | PER | 1.00 | 1 | 0.73 | 36 | 26.28 | | | Ramirez Espino, Gian Sandro | | | 1379 | PER | 0.00 | 1 | -0.20 | 36 | -7.20 | | | Bravo Matias, Jean Karlho | | | 1618 | PER | 0.00 | 1 | -0.05 | 36 | -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) | | | | XIV Festival Internacional de Ajedrez Claretiano 2023 Sub - 16 | Lima | PER | 2023-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1510 | 1138 | 0.00 | 3 | -0.40 | 36 | -14.40 | |
| | Cahuapaza Tarapaca, Leonardo | | | 1752 | PER | 0.00 | 1 | -0.02 | 36 | -0.72 | | | Sotelo Leon, Ester Victoria | | | 1400 | PER | 0.00 | 1 | -0.18 | 36 | -6.48 | | | Vizcarra Quispe, Ramalia Bellaluz | | | 1378 | PER | 0.00 | 1 | -0.20 | 36 | -7.20 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 8 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1141 | 0.00 | 1 | -0.06 | 36 | -2.16 | |
| | Shen, Alice | | | 1592 | USA | 0.00 | 1 | -0.06 | 36 | -2.16 | |
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 Regional de Ajedrez Metropolitano Impar Sub 15 Femenino | Lima | PER | 2023-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1340 | 1141 | 1.00 | 4 | -0.12 | 36 | -4.32 | |
| | Herrada, Blanco Maria Fernanda | | | 1545 | PER | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Amaya Retamozo, Carmen Rebeca | | | 1170 | PER | 0.00 | 1 | -0.46 | 36 | -16.56 | | | Huarcaya Jimenez, Gabriela | | | 1173 | PER | 1.00 | 1 | 0.54 | 36 | 19.44 | | | Maravi Ceron, Ayme | | | 1473 | PER | 0.00 | 1 | -0.12 | 36 | -4.32 | |
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) | | | | IRT Clasico Agosto Armagedon | Lima | PER | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1506 | 1141 | 4.00 | 7 | 3.04 | 36 | 109.44 | |
| | Pretel Pozo, Huberts | | | 1505 | PER | 1.00 | 1 | 0.90 | 36 | 32.40 | | | Ramirez Espino, Alessandro | | | 1542 | PER | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Poma Bernal, Cristian Andres | | | 1278 | PER | 1.00 | 1 | 0.68 | 36 | 24.48 | | | Polo Gonzales, Leandro Joaquim | | | 1257 | PER | 1.00 | 1 | 0.66 | 36 | 23.76 | | | Saenz Ayllon, Ivan David | | | 1723 | PER | 1.00 | 1 | 0.98 | 36 | 35.28 | | | Arenas Lavado, Luciana Andrea | | | 1534 | PER | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Alvarado Mendoza, Juan Jose | | | 1704 | PER | 0.00 | 1 | -0.02 | 36 | -0.72 | |
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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