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Individual Calculations August 2023 |
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| Bortnyk, Mykola Total change: -11.00 | |   |
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| 51st annual World Open - Open | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2245 | 2427 | 5.50 | 9 | -0.86 | 10 | -8.60 | |
|  Mujumdar, Sameer | | | 2027 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Jiang, Andrew | | | 2107 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Zong, Davis | c | | 2151 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Cheung, Ryan | | | 2064 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Matviishen, Viktor | g | | 2538 | UKR | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Jacobson, Brandon | g | | 2557 | USA | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Huston, Gus | f | | 2347 | USA | 0.00 | 1 | -0.61 | 10 | -6.10 | | | Shanmugasundaram, Rajesh | | | 2165 | IND | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Tanenbaum, Zachary | c | | 2247 | USA | 0.00 | 1 | -0.74 | 10 | -7.40 | | | * 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) | | | | 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 |
| 2225 | 2421 | 6.50 | 9 | -0.24 | 10 | -2.40 | |
| | Espinosa, Pedro Roberto, Mr | c | | 2263 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Rusonik, Max | c | | 2144 | CAN | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Lee, Justin | c | | 2257 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | La Manna, Andrea | f | | 2180 | ITA | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Moor, Nathaniel Philip | | | 2147 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Pang, Qi | | | 2193 | USA | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Poliannikov, Danila | f | | 2269 | USA | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Colas, Joshua | f | | 2294 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Adewumi, Tanitoluwa | f | | 2276 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | |
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) | | |
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