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Individual Calculations July 2023 |
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| Zhou, Jianchao Total change: -5.60 | |   |
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| 28th Space Coast Open - Master & Expert Section | Cape Canaveral, Florida | USA | 2023-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2290 | 2555 | 4.50 | 5 | 0.51 | 10 | 5.10 | |
|  Slade, Theodore | | | 2155 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Jayaraman, Arvind | f | | 2127 | IND | 1.00 | 1 | 0.07 | 10 | 0.70 | | | Campos , Augusto | m | | 2333 | CUB | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Mitkov, Nikola | g | | 2477 | MKD | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Leon Oquendo, Jorge | f | | 2359 | CUB | 1.00 | 1 | 0.25 | 10 | 2.50 | | | * 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) | | | | 32nd annual Chicago Open - Open Section | Wheeling, IL | USA | 2023-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2403 | 2555 | 7.00 | 9 | 0.80 | 10 | 8.00 | |
| | Mishra, Prateek | c | | 2175 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Liu, Eric Chang | c | | 2299 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Tang, Zoey | | wm | 2348 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Ghaemmaghami, Ehsan | g | | 2463 | IRI | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Margvelashvili, Giorgi | g | | 2530 | GEO | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Kunka, Harshid | | | 2347 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Wieczorek, Oskar | g | | 2512 | POL | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Mardov, Dimitar | m | | 2461 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Corrales Jimenez, Fidel | g | | 2489 | USA | 1.00 | 1 | 0.41 | 10 | 4.10 | |
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) | | | | 1000GM Las Vegas Summer Super Swiss 2023 | Las Vegas, Nevada | USA | 2023-06-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2422 | 2546 | 6.50 | 9 | 0.63 | 10 | 6.30 | |
| | Liu, Eric | c | | 2230 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Jiang, Lucas | | | 2352 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Schmakel, Sam | m | | 2416 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Wang, Justin | m | | 2484 | USA | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Kretchetov, Alexandre | f | | 2186 | RUS | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Niemann, Hans | g | | 2695 | USA | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Khanin, Semen | g | | 2566 | RUS | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Willow, Jonah | m | | 2447 | ENG | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Stearman, Josiah | m | | 2421 | USA | 0.50 | 1 | -0.17 | 10 | -1.70 | |
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 |
| 2224 | 2546 | 6.00 | 9 | -1.69 | 10 | -16.90 | |
| | Wongso, Steve | | | 2069 | USA | 1.00 | 1 | 0.05 | 10 | 0.50 | | | Espinosa, Pedro | c | | 2233 | USA | 0.00 | 1 | -0.86 | 10 | -8.60 | | | Kaplan, Avi H | | | 2110 | USA | 1.00 | 1 | 0.06 | 10 | 0.60 | | | Wu, Derek | f | | 2199 | USA | 0.00 | 1 | -0.89 | 10 | -8.90 | | | Nandhakumar, Vaseegaran | | | 2146 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Wang, Henry | | | 2193 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Tang, Zoey | f | wm | 2348 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Chambers, Ezra | f | | 2321 | BDI | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Boros, Denes | g | | 2400 | HUN | 0.50 | 1 | -0.20 | 10 | -2.00 | | | * 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) | | | | 16th annual Philadelphia International | Philadelphia, PA | USA | 2023-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2357 | 2546 | 5.00 | 8 | -0.81 | 10 | -8.10 | |
| | Zong, Davis | c | | 2151 | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Moor, Nathaniel Philip | | | 2180 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Luo, Terry | f | | 2353 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Amburgy, Ryan | f | | 2295 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Paragua, Mark | g | | 2447 | PHI | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Bellahcene, Bilel | g | | 2497 | ALG | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Mikhalevski, Victor | g | | 2519 | ISR | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Schmakel, Sam A | m | | 2416 | USA | 0.00 | 1 | -0.68 | 10 | -6.80 | |
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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