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Individual Calculations July 2023 |
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| Wongso, Steve Total change: 44.20 | |   |
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| Leonid Shamkovich Memorial Invitational | Naperville, IL | USA | 2023-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2277 | 2069 | 3.50 | 9 | 1.21 | 20 | 24.20 | |
|  Yu, Jiangwei | | | 2214 | CHN | 1.00 | 1 | 0.69 | 20 | 13.80 | |  Nagy, Gabor | g | | 2468 | HUN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Ezat, Mohamed | m | | 2402 | EGY | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Rodriguez Rivera, Pedro | m | | 2156 | CUB | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Putnam, Liam | f | | 2292 | USA | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Lima, Darcy | g | | 2448 | BRA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Chirilov, James | | | 2106 | USA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Rorrer, Grayson | f | | 2263 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Kaplan, Avi Harrison | | | 2146 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | |
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) | | | | 1000GM Las Vegas Summer Super Swiss 2023 | Las Vegas, Nevada | USA | 2023-06-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2210 | 2069 | 2.00 | 8 | -0.52 | 20 | -10.40 | |
| | Jiang, Lucas | | | 2352 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Liu, Eric | c | | 2230 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Atwell, Rose | | | 2220 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Rajaram, Rohan | | | 2138 | USA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Tang, Dylan | | | 2129 | USA | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Yan, Nathan | | | 2192 | USA | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Harish, Neeraj | c | | 2231 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Liu, Patrick | | | 2191 | USA | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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) | | | | 2023 National Open | Las Vegas, NV | USA | 2023-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2069 | 5.00 | 9 | 1.09 | 20 | 21.80 | |
| | Zhou, Jianchao | g | | 2546 | CHN | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Harriott, Tyrell | | | 1846 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Xie, Bryan | f | | 2353 | USA | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Wen, Teddie | f | | 2328 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Golsefidy, Sepehr | | | 1849 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Flores Quillas, Diego | m | | 2353 | PER | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Suarez, Sebastian | | | 1808 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Wen, Tommy | f | | 2433 | USA | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Shafer, Logan | | | 1738 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | |
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) | | | | 16th annual Philadelphia International | Philadelphia, PA | USA | 2023-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2069 | 4.50 | 9 | 0.43 | 20 | 8.60 | |
| | Khamrakulov, Djurabek | g | | 2490 | UZB | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Mottola, Max | | | 1858 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Gutla, Aryan | f | | 2344 | USA | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Aravindakshan, Sahana | | | 1792 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Zhang, Yuanchen | m | | 2293 | CAN | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Jacobson, Aaron | f | | 2301 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Zhang, Roger | | | 1971 | USA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Adury, Anant | | | 2106 | USA | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Paragua, Megan Althea | | | 1900 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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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