I Campeonato Nacional e Internacional de Ajedrez Chihuahua 2025

SwissStandard

75 players participated in this 6-round tournament, held from 21 Dec 2025 to 23 Dec 2025 in CHH, Chihuahua, Mexico. 11 titled players from 5 federations. Top 10 Elo average was 2293, and top seed was Jorge Cori (🇵🇪 PER, GM, 2599).

Jorge Cori (🇵🇪 PER, GM, 2599) won with 5.0/6, ahead of Joshua Friedel (5.0) and Kevin Joel Cori Quispe (5.0). Cori shared the lead from round 5, winning on tie-break.

The biggest upset came in round 6: Ramiro Flores Rodriguez (1819) beat Israel Blanco Sing (IM, 2109), a +290-point gap.

Location

🇲🇽CHH, Chihuahua, Mexico

Dates

21 Dec 2025 → 23 Dec 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 6 rounds

Top seed

🇵🇪GMJorge Cori2599

Avg top 10

2,293

Participants

Titled players · 11

GM×3

IM×1

FM×5

WCM×2

Federations · 5 represented

🇲🇽Mexico×67

🇻🇪Venezuela×1

FIDE (no federation)×1

🇵🇪Peru×1

🇺🇸United States of America×1

Top 3

🥇
GMJorge Cori
🇵🇪PER·2599
5.0pts·2576perf+0.5
🥈
GMJoshua Friedel
🇺🇸USA·2552
5.0pts·2531perf+1.2
🥉
GMKevin Joel Cori Quispe
🇲🇽MEX·2445
5.0pts·2484perf+4.6

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 3 players tied at 5.0/6, decided on Buchholz.

Co-leaders

Cori5Cori Quispe5Friedel5Garcia Guerrero4.5Avila Rodriguez4.5Varela Velazquez4.5

R6 · TIEBREAK CLUSTER

3 players finish on 5.0/6. Cori takes the title on Buchholz Cut1 (21.0).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

GM Jorge Cori drew with GM Kevin Joel Cori Quispe (Black).

WIN STREAKS · 2 top finishers

GM Kevin Joel Cori Quispe 3 wins (R1–R3)GM Joshua Friedel 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMJorge Cori	*	½	1	—
2GMKevin Joel Cori Quispe	½	*	—	—
3GMJoshua Friedel	0	—	*	1
4FMIsaac Antonio Garcia Guerrero	—	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Cori, JorgeGM	2599	PER	+58B	+11N	=36B	+6N	+2B	=3N	5.0	21.0	22.5	18.75	2576	+0.5
2	Friedel, JoshuaGM	2552	USA	+61N	+16B	+8N	+5B	−1N	+7B	5.0	21.0	22.0	17.00	2531	+1.2
3	Cori Quispe, Kevin JoelGM	2445	MEX	+27B	+59N	+9B	=4N	+36B	=1B	5.0	19.0	20.5	15.75	2484	+4.6
4	Avila Rodriguez, Joshua AdrianFM	2302	MEX	+47N	+15B	+14N	=3B	=5N	=20B	4.5	20.0	22.0	15.50	2300	+5.0
5	Garcia Guerrero, Isaac AntonioFM	2338	MEX	+29B	+26N	+10B	−2N	=4B	+40N	4.5	19.5	22.0	14.75	2306	+1.6
6	Varela Velazquez, Carlos FranciscoFM	2222	MEX	+63N	+48B	=7N	−1B	+34N	+14B	4.5	17.5	18.5	11.50	2215	+2.0
7	Gonzalez Estrada, Jesus Yo	1984	MEX	+25B	+57N	=6B	=9N	+49B	−2N	4.0	18.5	20.0	10.75	2113	+16.0
8	Ramirez Ruacho, Juan ManuelFM	2085	MEX	+28N	+22B	−2B	+48N	=40B	=10N	4.0	18.0	20.0	11.75	2068	-0.4
9	Tarin Garcia, Luis Miguel	2124	MEX	+72N	+49B	−3N	=7B	+24N	=30B	4.0	17.0	17.0	8.50	2034	-8.6
10	Guzman Garcia, Mia FernandaWCM	2006	MEX	+50N	+51B	−5N	=24B	+58N	=8B	4.0	15.5	17.0	9.00	1958	-8.8
11	Romero Estrada, Fabian Humberto	1933	MEX	+53N	−1B	−47N	+37N	+29B	+38B	4.0	15.0	17.0	10.00	1767	-28.8
12	Aguilar Huang, Julio Alberto	1749	MEX	+31B	−36N	+52B	−41N	+54B	+43N	4.0	12.5	14.5	9.50	1855	+9.2
13	Martinez Castaneda, Allan	2034	MEX	F	F	+18N	+33B	+35N	+36B	4.0	12.0	12.0	12.00	2694	+26.0
14	Hernandez Jimenez, Alexander AndresFM	2091	VEN	+32B	+21N	−4B	+17N	=15B	−6N	3.5	19.5	22.5	11.75	1967	-12.2
15	Rodriguez Nunez, Hector Mi	1839	MEX	F	−4N	+42B	+47B	=14N	+19B	3.5	16.0	16.0	9.75	2078	+30.0
16	Alvidrez Aguirre, Genaro	1891	MEX	+52B	−2N	+54B	=57N	=45B	=17N	3.5	15.0	16.5	7.75	1845	-6.8
17	Garcia Garcia, Jose Antonio	1680	MEX	+62N	=19B	=23N	−14B	+64N	=16B	3.5	15.0	16.0	7.25	1897	+48.0
18	Tapia Olivares, Damian Gael	1771	MEX	=37B	+46N	−13B	=39N	=25B	+42N	3.5	14.5	17.0	9.00	1782	+0.8
19	Miranda Talavera, Irving A	2086	MEX	+42B	=17N	+39B	−36N	+59B	−15N	3.5	14.5	16.0	8.25	1845	-26.8
20	Zubia Portillo, Manuel Alejandro	1961	MEX	F	F	+27B	+44N	+41B	=4N	3.5	12.5	12.5	10.25	2277	+28.4
21	Dominguez Dominguez, Jesus Manuel	1715	MEX	+73N	−14B	=38N	+50B	−30N	+58B	3.5	12.5	12.5	4.75	1791	+13.2
22	Kan Holguin, Jorge Luis	1748	MEX	+75B	−8N	+70B	−40N	=39B	+37N	3.5	12.5	12.5	4.75	1192	-16.8
23	Sierra Arballo, Jesus	1863	MEX	+65B	=39N	=17B	−49N	+57B	=45N	3.5	12.0	13.0	6.75	1718	-11.8
24	Ordonez Sanchez, Andrea Angelica	1706	MEX	=46B	+37N	=41B	=10N	−9B	=25N	3.0	16.0	18.5	8.50	1951	+27.6
25	Portillo Escobedo, Luis Enrique	0	MEX	−7N	=50B	+63N	=38B	=18N	=24B	3.0	15.0	16.0	6.50	1788	0.0
26	Salas Estrada, Ana PaolaWCM	1781	MEX	+60N	−5B	+64N	−34B	+47N	−32B	3.0	14.0	15.0	4.50	1759	-4.4
27	Franco Gonzalez, Emilio	1582	MEX	−3N	+74B	−20N	+60B	−32N	+67B	3.0	14.0	14.0	2.50	1041	-26.8
28	Armenta Gutierrez, Edgar Emir	1612	MEX	−8B	+31N	−40B	+52N	−48B	+62N	3.0	13.5	14.5	6.00	1115	-18.4
29	Utrilla Arredondo, Jesus Arturo	1641	MEX	−5N	+62B	−30N	+68B	−11N	+69B	3.0	13.5	14.5	3.00	1161	-8.2
30	Flores Pacheco, Sebastian	1908	MEX	F	F	+29B	=45N	+21B	=9N	3.0	13.0	13.0	9.75	2100	+28.4
31	Chavez, Adahir	0	MEX	−12N	−28B	+53N	−43B	+71N	+64B	3.0	12.5	12.5	3.00	1519	0.0
32	Trevizo Palacios, Soid Miguel	1580	MEX	−14N	−61B	F	+69N	+27B	+26N	3.0	11.5	11.5	7.00	1743	+29.6
33	Flores Rodriguez, Ramiro	1819	MEX	F	F	+55B	−13N	+56B	+41N	3.0	10.5	10.5	6.50	2072	+24.8
34	Perez Garcia, Kevin Adrian	0	MEX	F	F	+?B	+26N	−6B	+48N	3.0	9.5	9.5	5.00	1919	0.0
35	Perez Nunez, Carlos	1837	MEX	F	F	+72B	+61N	−13B	+49N	3.0	7.0	7.0	3.00	1928	+14.8
36	Rascon Vega, Alfonso	2149	MEX	F	+12B	=1N	+19B	−3N	−13N	2.5	21.5	21.5	10.00	2173	+2.0
37	Ochoa Nunez, Abdiel Alejandro	0	MEX	=18N	−24B	+71N	−11B	+50N	−22B	2.5	16.0	16.0	3.75	1469	0.0
38	Garcia Veloz, Javier Ivan	0	MEX	F	=43N	=21B	=25N	+44B	−11N	2.5	15.5	15.5	7.00	1807	0.0
39	Bustillos Quintana, Isaac Yurem	0	MEX	F	=23B	−19N	=18B	=22N	+59N	2.5	15.5	15.5	6.75	1867	0.0
40	Hernandez Sigala, Jaime	1899	MEX	F	F	+28N	+22B	=8N	−5B	2.5	15.0	15.0	8.50	2031	+12.4
41	Blanco Sing, IsraelIM	2109	MEX	F	+71B	=24N	+12B	−20N	−33B	2.5	13.5	13.5	5.50	1723	-18.6
42	Hernandez Lopez, Sarahi	1503	MEX	−19N	+73B	−15N	=51B	+67N	−18B	2.5	13.5	13.5	2.00	1558	-0.4
43	Juarez Madrid, Angel Gabriel	0	MEX	F	=38B	−48N	+31N	+61B	−12B	2.5	12.5	12.5	5.25	1612	0.0
44	Quinonez Gonzalez, Isbraham Yair	1772	MEX	−51N	+53B	+67N	−20B	−38N	=60B	2.5	11.5	12.5	3.75	1161	-10.0
45	Erives Nevarez, Enrique	0	MEX	F	F	+68N	=30B	=16N	=23B	2.5	11.0	11.0	6.00	1887	0.0
46	Figueroa Acosta, Josue Yahel	0	MEX	=24N	−18B	−50N	+71B	F	+57N	2.5	11.0	11.0	3.00	1736	0.0
47	Acevedo Alonso, Jesus Manuel	1702	MEX	−4B	+65N	+11B	−15N	−26B	−56N	2.0	17.0	18.0	5.00	1721	0.0
48	Torres Rios, Bryan Servando	1833	MEX	F	−6N	+43B	−8B	+28N	−34B	2.0	17.0	17.0	5.50	1848	-1.2
49	Ledezma Ruelas, Sergio	1749	MEX	F	−9N	+56B	+23B	−7N	−35B	2.0	16.5	16.5	5.50	1759	-0.8
50	Lopez Delgado, Zamir Valentin	0	MEX	−10B	=25N	+46B	−21N	−37B	=66N	2.0	15.5	16.5	4.50	1519	0.0
51	Manriquez Bustillos, Kevin Ramiro	0	MEX	+44B	−10N	−57B	=42N	=55B	−54N	2.0	13.0	14.5	4.75	1594	0.0
52	Juarez Rios, Luis Alberto	0	MEX	−16N	+63B	−12N	−28B	F	+65N	2.0	12.5	13.5	2.00	1542	0.0
53	Castillo Hernandez, Arath Eduardo	0	MEX	−11B	−44N	−31B	+63B	−68N	+73N	2.0	11.5	11.5	1.00	1714	0.0
54	Godinez Vargas, Javier	1683	MEX	F	F	−16N	+62B	−12N	+51B	2.0	10.5	10.5	3.00	1021	-25.6
55	Erives Chacon, Edgar Enrique	0	MEX	F	F	−33N	=66B	=51N	+61B	2.0	7.0	7.0	2.50	1700	0.0
56	Morales, Payan Jose Luis	0	MEX	F	F	−49N	+72B	−33N	+47B	2.0	7.0	7.0	2.00	1632	0.0
57	De Los Reyes Robles, Ferna	1725	MEX	F	−7B	+51N	=16B	−23N	−46B	1.5	15.5	15.5	3.75	1640	-5.4
58	Zapata Salazar, Jesus Daniel	1699	MEX	−1N	+60B	F	=59N	−10B	−21N	1.5	15.5	15.5	2.25	1600	-19.2
59	Sias Gutierrez, Isaac	1865	MEX	F	−3B	+66N	=58B	−19N	−39B	1.5	13.5	13.5	1.75	1839	-11.6
60	Arce Murga, Esteban	0	MEX	−26B	−58N	F	−27N	+65B	=44N	1.5	11.0	11.0	2.25	1387	0.0
61	Espinoza Rios, Neftali Armando	1626	MEX	−2B	+32N	F	−35B	−43N	−55N	1.0	15.5	15.5	3.00	1689	+5.2
62	Diaz Munoz, Luis Raul	0	MEX	−17B	−29N	+65B	−54N	F	−28B	1.0	13.5	14.5	1.00	854	0.0
63	Canez Perez, Elier Agustin	1685	MEX	−6B	−52N	−25B	−53N	+74N	−70B	1.0	12.5	12.5	0.00	1285	-3.2
64	Flores Lopez, Isabella	1568	MEX	F	F	−26B	+70N	−17B	−31N	1.0	10.5	10.5	1.00	931	-23.2
65	Trevizo Kelly, Daniela	0	MEX	−23N	−47B	−62N	+73B	−60N	−52B	1.0	10.0	10.0	0.00	1552	0.0
66	Penner, Leonardo	0	FID	F	F	−59B	=55N	F	=50B	1.0	8.0	8.0	2.00	1065	-9.2
67	Martinez, Rodriguez Dalia Raquel	0	MEX	F	F	−44B	+?N	−42B	−27N	1.0	8.0	8.0	0.00	1447	0.0
68	FIDE 550018370	0	—	F	F	−45B	−29N	+53B	−?N	1.0	7.5	7.5	2.00	859	0.0
69	Carbajal Martinez, Andres	0	MEX	F	F	+73N	−32B	F	−29N	1.0	6.0	6.0	0.00	1438	0.0
70	Rodriguez, Mancinas Alondra Viole	0	MEX	F	F	−22N	−64B	−?B	+63N	1.0	5.5	5.5	1.00	1477	0.0
71	Cano Estrada, Brenda	0	MEX	F	−41N	−37B	−46N	−31B	F	0.0	10.5	10.5	0.00	1309	0.0
72	FIDE 29651921	0	—	−9B	F	−35N	−56N	F	F	0.0	10.0	10.0	0.00	1180	0.0
73	Flores Diaz, Fernanda	0	MEX	−21B	−42N	−69B	−65N	F	−53B	0.0	10.0	10.0	0.00	822	-24.0
74	FIDE 29641039	0	—	F	−27N	F	F	−63B	F	0.0	9.0	9.0	0.00	834	0.0
75	FIDE 550018396	0	—	−22N	F	F	F	F	F	0.0	5.0	5.0	0.00	948	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Garcia Garcia, Jose AntonioMEX
+48.0
3.5 pts · #19
2Rodriguez Nunez, Hector MiMEX
+30.0
3.5 pts · #9
3Trevizo Palacios, Soid MiguelMEX
+29.6
3.0 pts · #21

Top rating losers

1Romero Estrada, Fabian HumbertoMEX
-28.8
4.0 pts · #45
2Miranda Talavera, Irving AMEX
-26.8
3.5 pts · #20
3Franco Gonzalez, EmilioMEX
-26.8
3.0 pts · #68

Biggest upsets

R6+290 Elo gap
Flores Rodriguez, Ramiro1819 beat IMBlanco Sing, Israel2109
R6+247 Elo gap
Rodriguez Nunez, Hector Mi1839 beat Miranda Talavera, Irving A2086
R3+231 Elo gap
Acevedo Alonso, Jesus Manuel1702 beat Romero Estrada, Fabian Humberto1933