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Individual Calculations January 2022 |
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| Craig, Aaron Total change: -16.00 | |   |
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| Mechanics' Institute Tuesday Night Marathon November-December 2021 - Under 1800 | San Francisco, California | USA | 2021-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1427 | 1455 | 3.50 | 6 | 0.32 | 40 | 12.80 | |
|  Gulbis, Andrejs | | | 1120 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Mercado, Adam | | | 1722 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Rex, Tobiahs | | | 1281 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Barreyro, Romeo | | | 1639 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Agdamag, Samuel | | | 1542 | USA | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Bayaraa, Timothy | | | 1258 | USA | 0.00 | 1 | -0.75 | 40 | -30.00 | |
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) | | | | 2021 IM John Donaldson Championship - 1600-1999 | San Francisco, California | USA | 2021-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1474 | 1417 | 1.00 | 4 | -0.72 | 40 | -28.80 | |
| | Stafford, Adam | | | 1723 | USA | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Mahooti, James | | | 1573 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Soltani, Mohammad | | | 1442 | USA | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Joseph, Axel | | | 1159 | IND | 0.00 | 1 | -0.82 | 40 | -32.80 | |
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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