Lopez, Erika January 2009 FIDE Individual Chess Calculations

Individual Calculations January 2009

Lopez, Erika Total change: 13.75

America Central and Caribbean Regional Youth Championship U- 16 Female				San Salvador		ESA	2008-08-25
Rc	Ro				w	n	change	K	*Kchg**	Game
1768	1797				1.00	1	0.46	25	11.50

Hernandez, Bera			1768	ESA	1.00	1	0.46	25	11.50
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)

Segundo Abierto 2008				El Salvador		ESA	2008-10-04
Rc	Ro				w	n	change	K	*Kchg**	Game
2082	1794				1.00	2	0.68	25	17.00

Avelar, Gabriela		wf	2045	ESA	1.00	1	0.81	25	20.25
Zepeda, Sonia		wm	2118	ESA	0.00	1	-0.13	25	-3.25
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)

Tercer Torneo Abierto 2008				San Salvador		ESA	2008-11-15
Rc	Ro				w	n	change	K	*Kchg**	Game
1731	1794				0.00	1	-0.59	25	-14.75

Mejia, Lucio			1731	ESA	0.00	1	-0.59	25	-14.75
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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