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Individual Calculations November 2023 |
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| Contreras Sandoval, Leidy Tatiana Total change: -26.40 | |   |
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| IRT Raza Sub-1999 Medellin 2023 | Medellin | COL | 2023-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1287 | 1368 | 1.50 | 4 | -0.95 | 40 | -38.00 | |
|  Mejia Ospina, Juan F | | | 1688 | COL | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Zapata Urrego, Camilo | | | 1138 | COL | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Santamaria Arcila, Nicolas | | | 1117 | COL | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Castano Escobar, Jose Roman | | | 1203 | COL | 1.00 | 1 | 0.28 | 40 | 11.20 | |
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) | | | | Campeonato Panamericano de Ajedrez Para Ciegos IBCA 2023 | Ciudad de Guatemala | GUA | 2023-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1539 | 1368 | 1.50 | 4 | 0.29 | 40 | 11.60 | |
| | Munoz, Mauricio | | | 1665 | COL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Jaramillo, Carlos Mario | | | 1457 | COL | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Torres, Saulo De Jesus | | | 1718 | COL | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Telles Mongrio, Rigoberto | | | 1316 | CRC | 0.50 | 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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