Aranha Filho, Alvaro Z January 2011 FIDE Individual Chess Calculations

Individual Calculations January 2011

Aranha Filho, Alvaro Z Total change: -16.05

77º Campeonato Brasileiro Absoluto - Semifinal Região 1			Sao Paulo/SP		BRA	2010-10-30
Rc	Ro			w	n	change	K	*Kchg**	Game
2174	2299			3.00	7	-1.64	15	-24.60

Mendes, Antonio Daniel Nobre		2045	BRA	1.00	1	0.19	15	2.85
Di Berardino, Diego Rafael	m	2492	BRA	0.00	1	-0.25	15	-3.75
Umetsubo, Cesar Hidemitsu		2124	BRA	0.50	1	-0.23	15	-3.45
Schutt, Ricardo De Amorim		2143	BRA	0.50	1	-0.21	15	-3.15
Pires, Marcos Vinicius Torsani		2119	BRA	1.00	1	0.26	15	3.90
Cruz, Eider Tiago Da		2185	BRA	0.00	1	-0.66	15	-9.90
Pirola, Claudionor Alcides Lima		2111	BRA	0.00	1	-0.74	15	-11.10
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)

Aberto Internacional de Xadrez Itaipu Binacional			Curitiba/PR		BRA	2010-11-18
Rc	Ro			w	n	change	K	*Kchg**	Game
2247	2317			3.50	5	0.57	15	8.55

Piekarski, Atila Balzer		2053	BRA	1.00	1	0.18	15	2.70
Rodrigues, Tiago Pereira		2145	BRA	1.00	1	0.27	15	4.05
Aguero Jimenez, Luis Lazaro	m	2401	CUB	0.50	1	0.12	15	1.80
Abdalla, Luiz Guilherme Aurelli	f	2304	BRA	0.50	1	-0.02	15	-0.30
Choma, Ernani Francisco	f	2332	BRA	0.50	1	0.02	15	0.30
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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