VII Abierto Nacional de Verano Ezequiel Montes 2025. Cat. Abierta

SwissStandard

33 players participated in this 6-round tournament, held from 04 Jul 2025 to 06 Jul 2025 in QRO, Ezequiel Montes, Mexico. 8 titled players from 3 federations. Top 10 Elo average was 2217, and top seed was Juan Carlos Obregon Rivero (🇲🇽 MEX, GM, 2462).

Juan Carlos Obregon Rivero (🇲🇽 MEX, GM, 2462) won with 5.0/6, ahead of Gerardo Antonio Gracia Alvarez (5.0) and Miguel Angel Montes Orozco (4.5). Obregon Rivero won on tie-break after catching the field in the final round.

The biggest upset came in round 5: Gerardo Antonio Gracia Alvarez (FM, 2221) beat Juan Carlos Obregon Rivero (GM, 2462), a +241-point gap.

Location

🇲🇽QRO, Ezequiel Montes, Mexico

Dates

04 Jul 2025 → 06 Jul 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 6 rounds

Top seed

🇲🇽GMJuan Carlos Obregon Rivero2462

Avg top 10

2,217

Participants

Titled players · 8

GM×1

IM×1

FM×4

WFM×1

WCM×1

Federations · 3 represented

🇲🇽Mexico×31

🇺🇸United States of America×1

🇫🇷France×1

Top 3

🥇
GMJuan Carlos Obregon Rivero
🇲🇽MEX·2462
5.0pts·2445perf+0.2
🥈
FMGerardo Antonio Gracia Alvarez
🇲🇽MEX·2221
5.0pts·2355perf+20.6
🥉
FMMiguel Angel Montes Orozco
🇲🇽MEX·2293
4.5pts·2266perf0.0

How it unfolded

Top 6 · 6 rounds

Tight race until R5; 2 players tied at 5.0/6, decided on Buchholz.

Co-leaders

Gracia Alvarez5Obregon Rivero5Fernandez Pozas4.5Montes Orozco4.5Garcia Guerrero4Robledo Flores4

R5 · LEADER CHANGE06 Jul

FM Gerardo Antonio Gracia Alvarez takes the sole lead (4.5/5).

R6 · TIEBREAK CLUSTER

2 players finish on 5.0/6. Obregon Rivero takes the title on Buchholz Cut1 (20.0).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

FM Gerardo Antonio Gracia Alvarez beat GM Juan Carlos Obregon Rivero (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMGerardo Antonio Gracia Alvarez	*	1	—	—
2GMJuan Carlos Obregon Rivero	0	*	—	1
3Pablo Antonio Fernandez Pozas	—	—	*	½
4FMMiguel Angel Montes Orozco	—	0	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Obregon Rivero, Juan CarlosGM	2462	MEX	+18N	+30B	+3N	+6B	−2N	+9B	5.0	20.0	21.5	16.50	2445	+0.2
2	Gracia Alvarez, Gerardo AntonioFM	2221	MEX	+26N	=23B	+11N	+8B	+1B	=5N	5.0	17.5	19.5	16.50	2355	+20.6
3	Montes Orozco, Miguel AngelFM	2293	MEX	+10N	+7B	−1B	+12N	=4B	+8N	4.5	20.5	23.5	16.25	2266	0.0
4	Fernandez Pozas, Pablo Antonio	2139	MEX	+28N	=11B	+23N	=5B	=3N	+19B	4.5	16.0	17.5	11.75	2235	+15.8
5	Benitez Lozano, JavierFM	2266	MEX	+17B	=8N	+13B	=4N	=19N	=2B	4.0	19.0	21.5	13.75	2124	-16.0
6	Garcia Guerrero, Isaac AntonioFM	2297	MEX	+19B	+15N	=12B	−1N	=14B	+16N	4.0	17.0	19.5	11.50	2240	-5.4
7	Robledo Flores, Emanuel	2002	MEX	+27B	−3N	=14B	=13N	+22B	+12N	4.0	16.0	17.5	10.00	2083	+13.4
8	Silva Arellano, Miguel Arturo	1914	MEX	+21N	=5B	+24N	−2N	+15B	−3B	3.5	19.0	21.0	9.50	2094	+52.0
9	Castro Esparza, Raul	1976	MEX	=24B	−13N	+27B	+17N	+23B	−1N	3.5	15.0	16.5	7.50	1983	+0.8
10	Flores Irurso, Paul Josue	1944	MEX	−3B	+32N	−15B	+27N	+18B	=14N	3.5	15.0	16.0	7.00	2071	+19.4
11	Garcia Ortega, Natalia BelenWCM	1853	MEX	+16B	=4N	−2B	−14N	+31B	=17N	3.0	18.5	19.5	7.75	2039	+50.8
12	Ramirez Jimenez, Javier	1973	MEX	+31N	+20B	=6N	−3B	=16N	−7B	3.0	18.0	19.0	7.00	2080	+15.4
13	Duarte Cramer, Lily JeanetteWFM	1828	MEX	=14N	+9B	−5N	=7B	=20N	=15N	3.0	17.5	20.0	9.75	2100	+76.4
14	Estrada Nieto, JulianIM	2189	MEX	=13B	F	=7N	+11B	=6N	=10B	3.0	17.5	17.5	10.25	2057	-6.7
15	Ruiz Perez, Juan Octavio	2083	MEX	+29N	−6B	+10N	=16B	−8N	=13B	3.0	17.0	18.5	8.00	1970	-17.0
16	Ruiz Ortiz, Gabriel Abraham	2043	MEX	−11N	+29B	+25N	=15N	=12B	−6B	3.0	15.0	16.5	6.50	1977	-20.0
17	Toxqui Martinez, Luis Emilio	1913	MEX	−5N	+31B	=30N	−9B	+24N	=11B	3.0	14.0	15.0	5.25	1932	+2.0
18	Mendoza Arteaga, Enrique	1948	MEX	−1B	−25N	+28N	+33B	−10N	+24B	3.0	14.0	14.5	4.00	1869	-12.6
19	Cruz Gomez, Miguel Angel	1941	MEX	−6N	+21B	+20N	F	=5B	−4N	2.5	17.5	19.0	7.00	2103	+18.8
20	Hernandez Hernandez, Daniel	2120	MEX	+25B	−12N	−19B	+32N	=13B	F	2.5	11.5	11.5	4.50	1884	-58.0
21	Aguilar Sanchez, Citlalli Genoveva	1692	MEX	−8B	−19N	−29N	+28B	=25N	+32B	2.5	11.0	12.0	3.50	1813	+17.4
22	Rugerio Garcia, Juan Francisco	1713	MEX	−23N	=28B	=33N	+25B	−7N	=27B	2.5	11.0	11.5	3.75	1831	+13.6
23	Lopez De Nava Hernandez, Carlos	2013	MEX	+22B	=2N	−4B	=24B	−9N	−26N	2.0	17.5	19.5	6.00	1826	-27.6
24	Juarez Cardenas, Gael Andres	1678	MEX	=9N	+33B	−8B	=23N	−17B	−18N	2.0	15.0	15.5	3.25	1713	+7.2
25	Gonzalez Merinos, Klebersson Osma	1857	MEX	−20N	+18B	−16B	−22N	=21B	=31N	2.0	13.5	14.5	4.75	1749	-18.2
26	Jackson, Leo Daniel Olivera	1991	USA	−2B	−27N	−32B	F	+29N	+23B	2.0	11.0	11.0	3.50	1849	-36.4
27	Blanco Ceron, Josue Andre	1754	MEX	−7N	+26B	−9N	−10B	F	=22N	1.5	15.5	16.0	3.25	1774	+2.8
28	Silvant, Arthur	1890	FRA	−4B	=22N	−18B	−21N	+32B	F	1.5	14.0	15.0	2.25	1713	-47.6
29	Jimenez Ramirez, Jose Alfredo	1795	MEX	−15B	−16N	+21B	=31N	−26B	F	1.5	12.0	13.0	3.00	1757	-14.0
30	Garcia Nevarez, Moises Omar	2098	MEX	+32B	−1N	=17B	F	F	F	1.5	11.5	11.5	2.50	2064	-3.6
31	Cabrera Bautista, Valeria Fernanda	1730	MEX	−12B	−17N	F	=29B	−11N	=25B	1.0	12.5	12.5	1.75	1639	-10.6
32	Ruiz Ortiz, Cristian Uriel	1821	MEX	−30N	−10B	+26N	−20B	−28N	−21N	1.0	12.0	13.5	2.00	1682	-39.6
33	Martinez Gonzalez, Luis	0	MEX	F	−24N	=22B	−18N	F	F	0.5	9.0	9.0	1.25	1503	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Duarte Cramer, Lily JeanetteWFMMEX
+76.4
3.0 pts · #15
2Silva Arellano, Miguel ArturoMEX
+52.0
3.5 pts · #10
3Garcia Ortega, Natalia BelenWCMMEX
+50.8
3.0 pts · #12

Top rating losers

1Hernandez Hernandez, DanielMEX
-58.0
2.5 pts · #18
2Silvant, ArthurFRA
-47.6
1.5 pts · #26
3Ruiz Ortiz, Cristian UrielMEX
-39.6
1.0 pts · #30

Biggest upsets

R5+241 Elo gap
FMGracia Alvarez, Gerardo Antonio2221 beat GMObregon Rivero, Juan Carlos2462
R2+237 Elo gap
Blanco Ceron, Josue Andre1754 beat Jackson, Leo Daniel Olivera1991
R4+198 Elo gap
Aguilar Sanchez, Citlalli Genoveva1692 beat Silvant, Arthur1890