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Individual Calculations January 2023 |
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| Grabinsky, Aaron Total change: -2.90 | |   |
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| 57th American Open | Orange, CA | USA | 2022-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 2415 | 5.00 | 9 | -1.20 | 10 | -12.00 | |
|  Beck, Alec | | | 1959 | USA | 1.00 | 1 | 0.06 | 10 | 0.60 | |  Wen, Tommy | | | 2091 | USA | 0.00 | 1 | -0.87 | 10 | -8.70 | | | Atwell, Rose | | | 2015 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Liu, Patrick Peijun | | | 1969 | USA | 1.00 | 1 | 0.06 | 10 | 0.60 | | | Juksta, Karolis | f | | 2398 | LTU | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Preotu, Razvan | g | | 2493 | CAN | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Chen, Jonathan | f | | 2193 | USA | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Rautela, Saksham | m | | 2393 | IND | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Mikaelyan, Arman | g | | 2556 | ARM | 0.00 | 1 | -0.31 | 10 | -3.10 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 SPICE Cup Open | Chesterfield, MO | USA | 2022-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2359 | 2420 | 6.00 | 9 | 0.91 | 10 | 9.10 | |
| | Liu, Eric Chang | c | | 2172 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Colas, Joshua | f | | 2228 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Anand, Vignesh | | | 2081 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Gazik, Viktor | g | | 2575 | SVK | 1.00 | 1 | 0.71 | 10 | 7.10 | | | Quesada Perez, Yuniesky | g | | 2583 | USA | 0.50 | 1 | 0.22 | 10 | 2.20 | | | Hakobyan, Aram | g | | 2620 | ARM | 0.00 | 1 | -0.24 | 10 | -2.40 | | | Burke, John Michael | g | | 2580 | USA | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Espinosa, Pedro Roberto | c | | 2116 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Hardaway, Brewington | c | | 2279 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | |
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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