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Individual Calculations September 2018 |
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| Jacobson, Brandon Total change: -28.50 | |   |
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| 17th Annual Manhattan Open | New York, New York | USA | 2018-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2125 | 2472 | 2.00 | 4 | -1.54 | 10 | -15.40 | |
|  Zhang, Alan | | | 2090 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | |  Paul, Justin | f | | 2226 | USA | 0.00 | 1 | -0.81 | 10 | -8.10 | | | Zhang, Eric | | | 2072 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Nakada, Akira | c | | 2110 | USA | 0.00 | 1 | -0.90 | 10 | -9.00 | | | * 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) | | | | 7th Annual Washington International - Masters | Rockville, Maryland | USA | 2018-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2332 | 2472 | 5.00 | 9 | -0.88 | 10 | -8.80 | |
| | Chiu, Isaac | | | 2144 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Dragun, Kamil | g | | 2594 | POL | 0.50 | 1 | 0.17 | 10 | 1.70 | | | Postny, Evgeny | g | | 2586 | ISR | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Maldonado, Oscar | | | 2072 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Huschenbeth, Niclas | g | | 2590 | GER | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Shen, Christopher | f | | 2254 | USA | 0.00 | 1 | -0.78 | 10 | -7.80 | | | Adamson, Robby | f | | 2210 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Samuelson, Andrew | f | | 2143 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Santarius, Erik | m | | 2398 | USA | 0.50 | 1 | -0.10 | 10 | -1.00 | | | * 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) | | | | 2018 U.S. Masters Championship | Greensboro, North Carolina | USA | 2018-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2384 | 2472 | 5.00 | 9 | -0.43 | 10 | -4.30 | |
| | Morefield, Jason | | | 2103 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Gareyev, Timur | g | | 2572 | USA | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Betaneli, Alexander | f | | 2257 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Sevian, Samuel | g | | 2645 | USA | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Guo, Arthur | f | | 2283 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Giannatos, Peter | f | | 2274 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Shabalov, Alexander | g | | 2584 | USA | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Rohde, Michael | g | | 2336 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Zapata, Alonso | g | | 2404 | COL | 0.00 | 1 | -0.59 | 10 | -5.90 | |
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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