Individual Calculations September 2022 |
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Vale Cruz, Armin Total change: 64.60 | | |
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July 2022 BayAreaChess 2-Day Championship 1500-1999 | Milpitas, CA | USA | 2022-07-30 |
Rc | Ro | w | n | change | K | K*chg | Game |
1478 | 1453 | 3.00 | 3 | 1.55 | 20 | 31.00 | |
| Pragash, Prabhav | | | 1291 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | Meiyappan, Kavya | | | 1381 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | | Tia Jr, Rudy Goce | | | 1762 | PNG | 1.00 | 1 | 0.86 | 20 | 17.20 | | 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) | | 2022 US Class National Championship - Class B | Milpitas, CA | USA | 2022-08-12 |
Rc | Ro | w | n | change | K | K*chg | Game |
1417 | 1453 | 1.00 | 3 | -0.65 | 20 | -13.00 | |
| Yi, Colin | | | 1407 | USA | 1.00 | 1 | 0.44 | 20 | 8.80 | | Bhattacharjya, Rishi | | | 1468 | USA | 0.00 | 1 | -0.48 | 20 | -9.60 | | Xiao, Marina | | | 1376 | USA | 0.00 | 1 | -0.61 | 20 | -12.20 | | 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) | | 12th annual Central California Open Under 2100 | Fresno CA | USA | 2022-08-19 |
Rc | Ro | w | n | change | K | K*chg | Game |
1619 | 1453 | 4.00 | 5 | 2.33 | 20 | 46.60 | |
| Ghosh, Prarthan | | | 1622 | USA | 0.50 | 1 | 0.22 | 20 | 4.40 | | Xia, Joshua | | | 1684 | USA | 1.00 | 1 | 0.79 | 20 | 15.80 | | Fan, Allen Shenghan | | | 1473 | USA | 1.00 | 1 | 0.53 | 20 | 10.60 | | Libon, Jean Pierre Dish Ramos | | | 1994 | PER | 1.00 | 1 | 0.97 | 20 | 19.40 | | Jin, Austin | | | 1320 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | | 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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