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Individual Calculations July 2009 |
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| Milligan, Helen Total change: -9.15 | |   |
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| Sydney International Open | Sydney | AUS | 2009-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1985 | 3.00 | 8 | -0.79 | 15 | -11.85 | |
|  Satyapragyan, Swayangsu | m | | 2335 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Yu, Sally | | | 1819 | AUS | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Zamahari, Abang Draup | | | 1636 | MAS | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Lester, George E | | | 1801 | AUS | 1.00 | 1 | 0.26 | 15 | 3.90 | | | McNamara, Gary | | | 2114 | AUS | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Steadman, Michael | | | 2262 | NZL | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Schon, Eugene | | | 2186 | AUS | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Lee, T H Bryan | | | 1918 | HKG | 0.00 | 1 | -0.59 | 15 | -8.85 | |
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) | | | | 32nd Waitakere Open | Auckland | NZL | 2009-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1985 | 3.00 | 6 | 0.18 | 15 | 2.70 | |
| | Dive, Russell John | m | | 2335 | NZL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Eade, Don | | | 1913 | NZL | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Power, Wayne | | | 1974 | NZL | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Taylor, Richard | | | 1946 | NZL | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Jackson, L. Ross | | | 2011 | NZL | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Wright, Caleb | | | 1925 | NZL | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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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