Campeonato Nacional Absoluto de Ajedrez Zacatecas 2025

SwissStandard

83 players participated in this 9-round tournament, held from 25 Sept 2025 to 30 Sept 2025 in ZAC, Zacatecas, Mexico. 24 titled players. Top 10 Elo average was 2359, and top seed was Sion Radamantys Galaviz Medina (🇲🇽 MEX, GM, 2498).

Arturo A. Fernandez Hernandez (🇲🇽 MEX, FM, 2309) won with 7.5/9, ahead of Gilberto Hernandez Guerrero (7.0) and Juan Carlos Obregon Rivero (7.0). Fernandez Hernandez shared the lead from round 8 and broke clear in the final round.

The biggest upset came in round 6: Egbert David Orocio Mendoza (1798) beat Jorge Jonathan Vazquez Adame (CM, 2166), a +368-point gap.

Location

🇲🇽ZAC, Zacatecas, Mexico

Dates

25 Sept 2025 → 30 Sept 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇲🇽GMSion Radamantys Galaviz Medina2498

Avg top 10

2,359

Participants

Titled players · 24

GM×3

IM×4

FM×7

CM×10

Federations · 1 represented

🇲🇽Mexico×79

Top 3

🥇
FMArturo A. Fernandez Hernandez
🇲🇽MEX·2309
7.5pts·2357perf+15.2
🥈
GMGilberto Hernandez Guerrero
🇲🇽MEX·2401
7.0pts·2463perf+8.2
🥉
GMJuan Carlos Obregon Rivero
🇲🇽MEX·2462
7.0pts·2424perf-1.3

How it unfolded

Top 6 · 9 rounds

FM Arturo A. Fernandez Hernandez led from R9; +0.5-point edge over the runner-up. Title race converged from 5 co-leaders at R4 to 1 by R9.

Co-leaders

Fernandez Hernandez7.5Obregon Rivero7Torres Rosas7Hernandez Guerrero7Gracia Alvarez6.5Galaviz Medina6.5

R9–R9 · LEAD HELD

FM Arturo A. Fernandez Hernandez held the sole lead from R9 through R9 without losing it.

WIN STREAKS · 2 top finishers

FM Arturo A. Fernandez Hernandez 4 wins (R6–R9)IM Luis Carlos Torres Rosas 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMArturo A. Fernandez Hernandez	*	—	—	—
2GMJuan Carlos Obregon Rivero	—	*	—	—
3IMLuis Carlos Torres Rosas	—	—	*	½
4GMGilberto Hernandez Guerrero	—	—	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Fernandez Hernandez, Arturo A.FM	2309	MEX	+54B	−30N	+61B	+29N	=34B	+32N	+7B	+19N	+5B	7.5	39.5	42.5	35.75	2357	+15.2
2	Hernandez Guerrero, GilbertoGM	2401	MEX	+35B	+15N	+31B	=4N	+20B	=10N	+19B	=5N	=6B	7.0	45.5	50.0	37.25	2463	+8.2
3	Obregon Rivero, Juan CarlosGM	2462	MEX	+28B	+32N	−10B	+45N	+36B	=5B	+11N	=6N	+20B	7.0	42.5	46.5	34.50	2424	-1.3
4	Torres Rosas, Luis CarlosIM	2270	MEX	+46N	+17B	+30N	=2B	−5N	+14B	=43N	+58B	+13N	7.0	42.5	46.0	34.00	2338	+20.6
5	Benitez Lozano, JavierFM	2286	MEX	+70B	+37N	+9B	=6N	+4B	=3N	+10B	=2B	−1N	6.5	51.0	53.5	35.75	2393	+29.6
6	Galaviz Medina, Sion RadamantysGM	2498	MEX	+61N	+14B	+11N	=5B	=13N	=7B	+42N	=3B	=2N	6.5	47.5	50.5	34.25	2421	-5.6
7	Gracia Alvarez, Gerardo AntonioFM	2219	MEX	+48B	=12N	=29B	+33N	+28B	=6N	−1N	+21B	+34B	6.5	42.5	46.5	30.75	2202	+4.0
8	Ayala Pena, Eduardo AzaelCM	2145	MEX	=49B	+60N	=12B	−28N	+33B	+45N	=24B	+29N	=9B	6.0	38.0	41.5	26.75	2015	-23.0
9	Hernandez Luna, Jose AngelCM	2073	MEX	+65N	+82B	−5N	=23B	+64N	−43B	+37N	+11B	=8N	6.0	37.5	38.0	22.00	2154	+18.2
10	Garcia de Dios, Jose AntonioCM	2205	MEX	F	+23B	+3N	+43B	=19N	=2B	−5N	=13B	+12N	5.5	45.5	45.5	30.25	2392	+41.0
11	Zacarias Rodriguez, SantiagoFM	2263	MEX	+44N	+39B	−6B	+26N	+12B	=20N	−3B	−9N	+42N	5.5	43.5	47.5	25.50	2200	-13.3
12	Bustamante Cruz, Alejandro	1868	MEX	+80N	=7B	=8N	+16B	−11N	=30B	+15B	+31N	−10B	5.5	43.5	45.0	25.50	2167	+57.6
13	Cofre Archibold, NestorFM	2269	MEX	+83B	=29N	+33B	+47N	=6B	−19N	+36B	=10N	−4B	5.5	41.5	41.5	21.25	2219	-5.2
14	Ruiz Perez, Juan Octavio	2072	MEX	+75B	−6N	+35B	+38N	=42B	−4N	−29B	+28N	+39B	5.5	40.0	42.5	22.50	2051	-0.8
15	Morlett Ovalle, Cris Sebastian	2026	MEX	+40N	−2B	+63N	=44B	+50N	−42B	−12N	+48B	+56N	5.5	36.5	39.5	21.00	1924	-17.4
16	Montiel Sanchez, Victor Manuel	1985	MEX	=38B	+66N	=21B	−12N	+70B	+28N	−20B	=39N	+35B	5.5	36.5	39.0	21.50	1945	-6.0
17	Pinales Mejia, Jose Angel	1952	MEX	+73B	−4N	+55B	−36N	+40B	−31N	+61B	=45N	+51B	5.5	35.0	37.5	19.50	1999	+7.8
18	Hernandez Elizondo, CarlosCM	1964	MEX	−62B	+53N	+48B	=31N	−58B	+56N	+35B	−34N	+29B	5.5	33.0	36.0	22.75	1991	+8.8
19	Sandoval Mercado, CarlosIM	2410	MEX	F	+24N	+42B	=20N	=10B	+13B	−2N	−1B	+22N	5.0	44.5	44.5	24.75	2311	-8.5
20	Figueredo Losada, LeonelIM	2303	MEX	F	+69B	+34N	=19B	−2N	=11B	+16N	+43B	−3N	5.0	41.5	41.5	22.25	2340	+5.2
21	De La O Lopez, Juan Andres	2151	MEX	+56N	=22B	=16N	=30B	=23N	+39B	+47B	−7N	−24B	5.0	40.0	43.5	22.00	2022	-27.6
22	Gurrola Viramontes, Jose Juan	1867	MEX	+77B	=21N	+51B	−42N	=47B	−24N	+38B	+32N	−19B	5.0	36.0	38.0	19.50	2044	+68.0
23	Lopez Rueda, Juan PabloCM	1931	MEX	+76B	−10N	+62B	=9N	=21B	−47N	+50B	−36N	+46B	5.0	36.0	38.0	18.50	1970	+5.6
24	Silva Sobreyra, Sid Diego	2034	MEX	F	−19B	−44N	+75N	+54B	+22B	=8N	=42B	+21N	5.0	35.0	35.0	21.00	2088	+26.0
25	Vazquez Adame, Jorge JonathanCM	2166	MEX	+55B	−33N	−28B	+65N	=26B	−35N	+49B	=46N	+44B	5.0	34.0	37.0	19.00	1839	-62.2
26	Raudales Jacobo, Oziel Yozi	1875	MEX	+59B	−31N	+82N	−11B	=25N	+71B	+32B	−47N	=45B	5.0	33.5	34.0	15.50	2007	+32.8
27	Rangel Vega, Alejandro	1625	MEX	−32B	+41N	=37B	−58N	+55B	−33N	+70B	=51N	+52N	5.0	33.0	35.5	18.75	1873	+46.8
28	Pacheco Almaraz, Jose Rodolfo	1801	MEX	−3N	+72B	+25N	+8B	−7N	−16B	=51N	−14B	+66N	4.5	42.5	45.0	18.50	2001	+27.8
29	Calixto Perea, Sebastian Alonso	1915	MEX	+81N	=13B	=7N	−1B	=79N	+44B	+14N	−8B	−18N	4.5	42.5	43.5	17.50	1989	+23.6
30	Gonzalez Sanchez, Ilan Said	1957	MEX	+57N	+1B	−4B	=21N	=31B	=12N	−34B	−35N	+55B	4.5	42.0	45.5	22.00	2003	+12.8
31	Hernandez Guerrero, EduardoFM	2189	MEX	+63N	+26B	−2N	=18B	=30N	+17B	=58N	−12B	F	4.5	41.0	44.0	20.25	2001	-32.6
32	Lopez Fuentes, Wilberth SebastianCM	2067	MEX	+27N	−3B	+46N	=64B	+44N	−1B	−26N	−22B	+57N	4.5	41.0	44.0	18.00	1892	-69.6
33	Magana Morales, David	1858	MEX	+74N	+25B	−13N	−7B	−8N	+27B	=48N	=44B	=38N	4.5	40.5	43.0	18.75	1883	+0.2
34	Diaz Guerrero, Jesus DanielCM	2087	MEX	F	+62N	−20B	+39B	=1N	−58B	+30N	+18B	−7N	4.5	40.0	40.0	21.25	2078	-4.2
35	Orocio Mendoza, Egbert David	1798	MEX	−2N	+40B	−14N	=79B	+82N	+25B	−18N	+30B	−16N	4.5	39.5	40.0	15.50	1883	+20.8
36	Lopez Garcia, Miguel Angel	2091	MEX	F	+49N	=38B	+17B	−3N	+52B	−13N	+23B	F	4.5	39.5	39.5	20.75	2087	+5.6
37	Vega Castaneda, Ulises Antonio	1936	MEX	+71N	−5B	=27N	+49B	−43N	+46B	−9B	+55N	F	4.5	37.5	40.0	16.50	1916	-5.2
38	Garcia De La Rosa, Christian	1558	MEX	=16N	+50B	=36N	−14B	−52N	+63B	−22N	+61N	=33B	4.5	36.0	39.0	17.25	1864	+125.2
39	Acuna Ramirez, Luis Alberto	1941	MEX	+67B	−11N	+65B	−34N	+57B	−21N	+54N	=16B	−14N	4.5	36.0	39.0	15.75	1900	-18.0
40	Lopez Vidrio, Juan Daniel	1598	MEX	−15B	−35N	+68B	+61N	−17N	−48B	+74N	+70B	=54N	4.5	31.5	34.0	12.75	1737	0.0
41	Lara Alvarez, Carlos Alberto	0	MEX	−64N	−27B	−71N	+81B	=72N	+73N	+65B	=52B	=50N	4.5	26.5	27.5	11.75	1690	0.0
42	Duarte Barahona, Raul AlejandroCM	2197	MEX	F	+52B	−19N	+22B	=14N	+15N	−6B	=24N	−11B	4.0	42.0	42.0	19.75	2134	-12.8
43	Diaz Rosas, Julio CesarIM	2384	MEX	F	+45N	=47B	−10N	+37B	+9N	=4B	−20N	F	4.0	40.5	40.5	20.00	2185	-15.2
44	Paredes Torres, Juan Manue	1723	MEX	−11B	+76N	+24B	=15N	−32B	−29N	+53B	=33N	−25N	4.0	38.5	40.5	16.00	1873	+45.2
45	Salazar Muro, Jose Antonio	1977	MEX	F	−43B	+56N	−3B	+63N	−8B	+64N	=17B	=26N	4.0	37.0	37.0	14.75	1994	+0.6
46	Lara Sanchez, Jose Gerardo	1725	MEX	−4B	+67N	−32B	=62N	+53B	−37N	+66N	=25B	−23N	4.0	36.0	39.0	14.00	1761	+0.2
47	Gonzalez Arroyo, LeninFM	2127	MEX	F	+64B	=43N	−13B	=22N	+23B	−21N	+26B	F	4.0	36.0	36.0	17.50	2097	-3.4
48	Loria Espinosa, Tomas Emiliano	1716	MEX	−7N	+81B	−18N	−71B	+73B	+40N	=33B	−15N	=53B	4.0	35.5	36.5	12.25	1660	-18.0
49	Paz Carrillo, Alejandro	1676	MEX	=8N	−36B	+66B	−37N	=62B	+57N	−25N	−54B	+72N	4.0	33.0	35.5	13.50	1624	-5.4
50	Santamaria Meza, Miguel Angel	1765	MEX	F	−38N	+60B	+51N	−15B	=69B	−23N	+62N	=41B	4.0	33.0	33.0	14.25	1787	+1.8
51	Castro Esparza, Raul	1951	MEX	=72N	+78B	−22N	−50B	=71N	+65N	=28B	=27B	−17N	4.0	32.0	34.0	12.25	1654	-45.4
52	Sanchez Lopez, Neftali	1902	MEX	+68B	−42N	=57B	=70N	+38B	−36N	=79B	=41N	−27B	4.0	31.5	33.5	13.75	1674	-33.8
53	Ruiz Reveles, Mateo Nicolas	1538	MEX	−69N	−18B	=59N	+80B	−46N	+82B	−44N	+71B	=48N	4.0	28.0	28.5	8.25	1442	-18.0
54	Barrera Ruelas, Julio Ruben	1788	MEX	−1N	−57B	+76N	+72B	−24N	F	−39B	+49N	=40B	3.5	35.0	37.0	10.75	1767	-8.8
55	Hernandez Hernandez, Pedro	1692	MEX	−25N	+80B	−17N	=82B	−27N	+62N	+59B	−37B	−30N	3.5	32.5	33.0	8.25	1112	-24.6
56	Cardenas Uribe, Mateo	1680	MEX	−21B	+59N	−45B	+78N	=69N	−18B	+71N	F	−15B	3.5	32.0	34.0	9.50	1638	-6.8
57	Alcazar Trejo, Javier Arath	0	MEX	−30B	+54N	=52N	=69B	−39N	−49B	=75B	+59N	−32B	3.5	31.5	34.0	11.75	1729	0.0
58	Santiago Chavez, Habid Pablo de Jesus	1853	MEX	F	F	F	+27B	+18N	+34N	=31B	−4N	F	3.5	30.5	30.5	17.25	2173	+39.0
59	Tenorio Martinez, Leonardo	0	MEX	−26N	−56B	=53B	−73N	+80N	+72B	−55N	−57B	+74N	3.5	27.0	28.5	8.50	1375	0.0
60	Torres Lara, Marco Antonio	1630	MEX	F	−8B	−50N	+74N	=66B	F	−78N	+63B	+68B	3.5	27.0	27.0	10.00	1705	+7.6
61	Vega Castaneda, Luis CarlosCM	1822	MEX	−6B	+73N	−1N	−40B	+67B	+75N	−17N	−38B	F	3.0	37.0	39.5	8.00	1683	-20.2
62	Hernandez Hernandez, Raul Enrique	0	MEX	+18N	−34B	−23N	=46B	=49N	−55B	+63N	−50B	F	3.0	33.5	36.5	12.50	1730	0.0
63	Silva Lugo, Norman Alexander	1695	MEX	−31B	+68N	−15B	+67N	−45B	−38N	−62B	−60N	+82B	3.0	31.0	31.5	6.50	1057	-65.2
64	Solis Castro, Angel Alejan	1853	MEX	+41B	−47N	+74B	=32N	−9B	=79N	−45B	F	F	3.0	31.0	31.0	10.25	1719	-16.0
65	Duran Ceron, Andres	1663	MEX	−9B	+77N	−39N	−25B	+74N	−51B	−41N	+81B	F	3.0	30.5	31.5	5.50	1205	-9.8
66	Ocon Delgado, Brandon	0	MEX	F	−16B	−49N	+76B	=60N	=70N	−46B	+75N	−28B	3.0	28.5	28.5	7.50	1592	0.0
67	Rendon Martinez, Gael Eduardo	0	MEX	−39N	−46B	+77N	−63B	−61N	−74B	+76N	−72B	+81N	3.0	23.5	24.5	5.00	995	0.0
68	FIDE 29674131	0	—	−52N	−63B	−40N	−77B	+76N	−78B	+82N	+80B	−60N	3.0	22.5	23.0	4.00	942	0.0
69	Monroy Rodriguez, Miguel Tenoch	1969	MEX	+53B	−20N	=70B	=57N	=56B	=50N	F	F	F	3.0	22.5	22.5	10.75	1818	-36.0
70	Villareal Alamo, Rodrigo Eleacid	1777	MEX	−5N	+71B	=69N	=52B	−16N	=66B	−27N	−40N	F	2.5	34.0	36.5	7.50	1690	-22.4
71	Ramirez Soto, Oscar Ariel	0	MEX	−37B	−70N	+41B	+48N	=51B	−26N	−56B	−53N	F	2.5	32.0	34.5	10.50	1551	0.0
72	Vera Zavala, Ricardo Emmanuel	0	MEX	=51B	−28N	F	−54N	=41B	−59N	=73B	+67N	−49B	2.5	29.5	29.5	8.50	1482	0.0
73	Walle Serrano, Pedro	0	MEX	−17N	−61B	=80N	+59B	−48N	−41B	=72N	=74B	F	2.5	28.0	29.5	6.75	1030	0.0
74	Avila Salas, Jorge Alberto	0	MEX	−33B	+75N	−64N	−60B	−65B	+67N	−40B	=73N	−59B	2.5	27.5	30.0	6.75	1493	0.0
75	Santibanez Alviso, Alejandro Mateo	1662	MEX	−14N	−74B	+81N	−24B	+77N	−61B	=57N	−66B	F	2.5	27.0	28.0	4.75	1172	-18.8
76	FIDE 29683637	0	—	−23N	−44B	−54B	−66N	−68B	+80N	−67B	F	+77N	2.0	25.0	25.0	3.50	1014	0.0
77	FIDE 29692725	0	—	−22N	−65B	−67B	+68N	−75B	−81N	−80B	+82N	−76B	2.0	21.0	21.5	3.50	931	0.0
78	Lugo, Villegas Jose G	0	MEX	F	−51N	F	−56B	F	+68N	+60B	F	F	2.0	17.0	17.0	6.50	1630	0.0
79	Carmona Medina, Arturo	1552	MEX	F	F	F	=35N	=29B	=64B	=52N	F	F	2.0	16.0	16.0	8.00	1866	+57.6
80	FIDE 5163129	0	—	−12B	−55N	=73B	−53N	−59B	−76B	+77N	−68N	F	1.5	26.0	26.0	3.25	899	0.0
81	Sanchez Jaen, Juan Miguel	0	MEX	−29B	−48N	−75B	−41N	F	+77B	F	−65N	−67B	1.0	23.5	23.5	2.00	939	0.0
82	Valdes Valdez, Omar Maximo	0	MEX	F	−9N	−26B	=55N	−35B	−53N	−68B	−77B	−63N	0.5	31.0	31.0	1.75	1377	0.0
83	Gonzalez Romo, Derek Milan	1737	MEX	−13N	F	F	F	F	F	F	F	F	0.0	5.5	5.5	0.00	1323	-3.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Garcia De La Rosa, ChristianMEX
+125.2
4.5 pts · #25
2Gurrola Viramontes, Jose JuanMEX
+68.0
5.0 pts · #26
3Bustamante Cruz, AlejandroMEX
+57.6
5.5 pts · #23

Top rating losers

1Lopez Fuentes, Wilberth SebastianCMMEX
-69.6
4.5 pts · #38
2Silva Lugo, Norman AlexanderMEX
-65.2
3.0 pts · #75
3Vazquez Adame, Jorge JonathanCMMEX
-62.2
5.0 pts · #14

Biggest upsets

R6+368 Elo gap
Orocio Mendoza, Egbert David1798 beat CMVazquez Adame, Jorge Jonathan2166
R3+365 Elo gap
Pacheco Almaraz, Jose Rodolfo1801 beat CMVazquez Adame, Jorge Jonathan2166
R2+352 Elo gap
Gonzalez Sanchez, Ilan Said1957 beat FMFernandez Hernandez, Arturo A.2309