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Individual Calculations August 2023 |
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| Guo, Arthur Total change: 33.60 | |   |
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| Sparkassen Chess Trophy 2023 A-Open | Dortmund | GER | 2023-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2441 | 2445 | 6.50 | 9 | 2.05 | 10 | 20.50 | |
|  Michalczak, Thomas | f | | 2231 | GER | 1.00 | 1 | 0.23 | 10 | 2.30 | |  Huckebrink, Chris | | | 2096 | GER | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Prohaszka, Peter | g | | 2585 | HUN | 1.00 | 1 | 0.69 | 10 | 6.90 | | | Aryan, Chopra | g | | 2626 | IND | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Heinert, Eugen | | | 2152 | GER | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Ponomariov, Ruslan | g | | 2664 | UKR | 0.50 | 1 | 0.28 | 10 | 2.80 | | | Wagner, Dennis | g | | 2598 | GER | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Garner, Isaac | | | 2359 | GER | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Kamsky, Gata | g | | 2659 | USA | 0.50 | 1 | 0.27 | 10 | 2.70 | |
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) | | | | 1000GM NY Summer Norm Invitational - GM A | New York, New York | USA | 2023-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2438 | 2483 | 5.50 | 9 | 0.46 | 10 | 4.60 | |
| | Barbosa, Oliver | g | | 2475 | PHI | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Ostrovskiy, Aleksandr | m | | 2356 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Pakleza, Zbigniew | g | | 2494 | POL | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Lu, Maximillian | m | | 2394 | USA | 0.00 | 1 | -0.62 | 10 | -6.20 | | | Mikhalevski, Victor | g | | 2524 | ISR | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Wang, Justin | m | | 2488 | USA | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Lee, Alice Teresa | f | wm | 2393 | USA | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Zumsande, Martin | m | | 2421 | GER | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Wang, Kevin | m | | 2393 | USA | 1.00 | 1 | 0.38 | 10 | 3.80 | |
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) | | | | 2023 US Junior Championship | St. Louis, Missouri | USA | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2459 | 2483 | 5.50 | 9 | 0.85 | 10 | 8.50 | |
| | Mishra, Abhimanyu | g | | 2591 | USA | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Xu, Arthur | f | | 2083 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Daggupati, Balaji | g | | 2494 | USA | 1.00 | 1 | 0.52 | 10 | 5.20 | | | Wang, Justin | m | | 2488 | USA | 1.00 | 1 | 0.51 | 10 | 5.10 | | | Stearman, Josiah | m | | 2444 | USA | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Jacobson, Brandon | g | | 2546 | USA | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Hong, Andrew | g | | 2520 | USA | 1.00 | 1 | 0.55 | 10 | 5.50 | | | Liang, Jason | m | | 2499 | USA | 0.50 | 1 | 0.02 | 10 | 0.20 | | | Ghazarian, Kirk | m | | 2469 | USA | 0.00 | 1 | -0.52 | 10 | -5.20 | | | * 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) | | |
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