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Individual Calculations September 2022 |
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| Yi, Colin Total change: -92.00 | |   |
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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 |
| 1563 | 1407 | 1.00 | 3 | 0.05 | 40 | 2.00 | |
|  Gu, Thomas | | | 1442 | USA | 1.00 | 1 | 0.55 | 40 | 22.00 | |  Tia Jr, Rudy Goce | | | 1762 | PNG | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Thirumalai, Atul -E | | | 1485 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | |
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) | | | | 2022 US Class National Championship - Class B | Milpitas, CA | USA | 2022-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1344 | 1407 | 0.50 | 3 | -1.26 | 40 | -50.40 | |
| | Vale Cruz, Armin | | | 1453 | USA | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Pragash, Prabhav | | | 1291 | USA | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Stevens, Adam Benjamin | | | 1288 | USA | 0.00 | 1 | -0.66 | 40 | -26.40 | |
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) | | | | 12th annual Central California Open Under 2100 | Fresno CA | USA | 2022-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1369 | 1407 | 0.00 | 2 | -1.09 | 40 | -43.60 | |
| | Zhou, Greg | | | 1523 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Van Gelder, Allen | | | 1215 | USA | 0.00 | 1 | -0.75 | 40 | -30.00 | |
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) | | |
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