Rivera Rivera, Roberto I. April 2015 FIDE Individual Chess Calculations

Individual Calculations April 2015

Rivera Rivera, Roberto I. Total change: 124.40

1er Torneo Abierto Ajedrez de la Amistad: Liga de Ajedrez Pioneros Boricuas			Caguas		PUR	2015-02-21
Rc	Ro			w	n	change	K	*Kchg**	Game
1813	1561			1.00	2	0.60	40	24.00

Guzman Freire, Julio		1897	PUR	0.00	1	-0.12	40	-4.80
Ortiz Vives, Carlos R.		1728	PUR	1.00	1	0.72	40	28.80
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)

4to. Memorial Hermanos Colon Romero			Toa Baja		PUR	2015-03-13
Rc	Ro			w	n	change	K	*Kchg**	Game
1850	1561			2.50	5	1.63	40	65.20

Melendez Padilla, Isabelo		1889	PUR	0.50	1	0.37	40	14.80
Schwabe Rivera, Ulrich		1876	PUR	1.00	1	0.86	40	34.40
Ayala Sanchez, Abnel		1961 *	PUR	0.00	1	-0.08	40	-3.20
Boggiano Pereira, Miguel		1639	PUR	1.00	1	0.61	40	24.40
Gonzalez Olivieri, Orlando	c	1887	PUR	0.00	1	-0.13	40	-5.20
* 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)

Clasificatorio Por Edades de Puerto Rico 2015 Sub-16			Caguas		PUR	2015-03-27
Rc	Ro			w	n	change	K	*Kchg**	Game
1530	1561			2.50	3	0.88	40	35.20

Rodriguez Gonzalez, Angel G.		1553	PUR	1.00	1	0.49	40	19.60
Garcia Santiago, Jorge J.		1465	PUR	1.00	1	0.37	40	14.80
Viera Perez, Nestor A.		1573	PUR	0.50	1	0.02	40	0.80
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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