Leiva Mendoza, Matias March 2023 FIDE Individual Chess Calculations

Individual Calculations March 2023

Leiva Mendoza, Matias Total change: -22.00

Club de Ajedrez Chile - Torneo IRT Preparatorio Nacional de Menores 2023			Santiago		CHI	2023-01-26
Rc	Ro			w	n	change	K	*Kchg**	Game
1408	1270			0.50	2	-0.26	40	-10.40

Caurapan Osses, Jose		1685	CHI	0.00	1	-0.07	40	-2.80
Zapata Chura, Joaquin Ignacio		1130	CHI	0.50	1	-0.19	40	-7.60
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)

NACIONALES DE AJEDREZ DE LA JUVENTUD CHILE 2023 SUB 18 ABSOLUTO - TEMUCO			Temuco Region de La Araucania		CHI	2023-01-30
Rc	Ro			w	n	change	K	*Kchg**	Game
1539	1270			1.00	6	-0.29	40	-11.60

Orrego Palermo, Marcelo		1925	CHI	0.00	1	-0.01	40	-0.40
Guzman Black, Jose Domingo		1532	CHI	0.00	1	-0.18	40	-7.20
Alvez Siebert, Antonio		1486	CHI	0.50	1	0.28	40	11.20
Martinez Casanova, Benjamin		1419	CHI	0.00	1	-0.30	40	-12.00
Sellan Etchepare, Jose Miguel		1335	CHI	0.50	1	0.09	40	3.60
Cordero Alchahueni, Jorge Marcelo		1539	CHI	0.00	1	-0.17	40	-6.80
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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