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Individual Calculations August 2023 |
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| Colas, Joshua Total change: -61.60 | |   |
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| 51st annual World Open - Open | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2059 | 2294 | 4.50 | 8 | -1.64 | 20 | -32.80 | |
|  Vinod, Aarush | | | 1914 | USA | 0.50 | 1 | -0.41 | 20 | -8.20 | |  Luger, Sam | | | 1905 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Nanugonda, Vishva | | | 1924 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Oh, James Y | | | 2030 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Liang, Jason | m | | 2527 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Karthik, Advaith | | | 2073 | USA | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Bryant, Todd Charles | | | 2075 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Nandhakumar, Vaseegaran | | | 2026 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | |
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) | | | | 1000GM NY Summer Norm Invitational - IM B Schiller | New York, New York | USA | 2023-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2300 | 2294 | 3.00 | 9 | -1.44 | 20 | -28.80 | |
| | Adewumi, Tanitoluwa | f | | 2276 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Paragua, Mark | g | | 2438 | PHI | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Poliannikov, Danila | f | | 2269 | USA | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Pang, Qi | | | 2193 | USA | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Song, Michael | m | | 2405 | CAN | 0.50 | 1 | 0.15 | 20 | 3.00 | | | La Manna, Andrea | f | | 2180 | ITA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Lee, Justin | c | | 2257 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Bortnyk, Mykola | m | | 2421 | UKR | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Espinosa, Pedro Roberto, Mr | c | | 2263 | USA | 0.00 | 1 | -0.54 | 20 | -10.80 | |
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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