Costa, Joao Sequeira May 2011 FIDE Individual Chess Calculations

Individual Calculations May 2011

Costa, Joao Sequeira Total change: -15.45

CNE 2 divisao - serie A			several		POR	2010-12-11
Rc	Ro			w	n	change	K	*Kchg**	Game
1622	1553			1.00	2	0.16	15	2.40

Gomes, Bruno Miguel De Sousa		1778	POR	0.00	1	-0.22	15	-3.30
Duarte, Afonso		1466	POR	1.00	1	0.38	15	5.70
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)

Distrital de Braga - prel. Urgezes			Guimaraes		POR	2011-02-18
Rc	Ro			w	n	change	K	*Kchg**	Game
1615	1558			0.50	3	-0.77	15	-11.55

Meireles, Ana		1700	POR	0.00	1	-0.31	15	-4.65
Costa, Vitor Manuel		1696	POR	0.00	1	-0.31	15	-4.65
Rasteiro, Rui Manuel		1448	POR	0.50	1	-0.15	15	-2.25
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)

I Torneio "Axis - Ponte de Lima"			Ponte de Lima		POR	2011-03-11
Rc	Ro			w	n	change	K	*Kchg**	Game
1671	1593			2.00	4	0.28	15	4.20

Pereira, Antonio Pedro Caramez		1993 *	POR	0.00	1	-0.08	15	-1.20
Reis, Francisco Seabra		1403	POR	0.00	1	-0.75	15	-11.25
Duarte, Afonso		1458	POR	1.00	1	0.32	15	4.80
Oliveira, Maria Ines		1828	POR	1.00	1	0.79	15	11.85
* 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)

Nacionais de Jovens 2011 - sub18			Torres Vedras		POR	2011-04-10
Rc	Ro			w	n	change	K	*Kchg**	Game
1697	1593			0.50	3	-0.70	15	-10.50

Vasques, Antonio Pedro Freixial		1993 *	POR	0.00	1	-0.08	15	-1.20
Costa, Pedro Miguel Baptista De		1478	POR	0.00	1	-0.66	15	-9.90
Vaz, Vitor Diogo		1621	POR	0.50	1	0.04	15	0.60
* 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)

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