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Individual Calculations June 2023 |
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| Kogen, Jonathan Total change: 14.40 | |   |
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| 2023 Arthur Bisguier Memorial Invitational | Naperville, IL | USA | 2023-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2240 | 2200 | 4.50 | 9 | 0.48 | 20 | 9.60 | |
|  Arjun, Vishnuvardhan | m | | 2235 | IND | 0.00 | 1 | -0.45 | 20 | -9.00 | |  Quesada Vera, Liordis | m | | 2310 | CUB | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Carey, Aidan M | | | 1915 | USA | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Mitkov, Nikola | g | | 2490 | MKD | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Colas, Joshua | f | | 2342 | USA | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Kretchetov, Alexandre | f | | 2195 | RUS | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Homa, Seth | f | | 2213 | USA | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Amburgy, Ryan | f | | 2242 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Martin Del Campo, Roberto | m | | 2215 | MEX | 0.50 | 1 | 0.02 | 20 | 0.40 | |
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 Haymarket Memorial - Open | Chicago, IL | USA | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 2200 | 3.00 | 4 | 0.24 | 20 | 4.80 | |
| | Xia, Henry | | | 1800 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Szpisjak, Steven J | | | 1920 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Margvelashvili, Giorgi | g | | 2530 | GEO | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Joseph, Bennett A | | | 1865 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | * 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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