XIV Torneo Internacional y Nacional Abierto de Ajedrez de la Ciudad de Mexico. Sub 15

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38 players participated in this 7-round tournament, held from 13 Sept 2025 to 16 Sept 2025 in CDM, Ciudad de Mexico, Mexico. 2 federations represented. Top 10 Elo average was 1650, and top seed was Levi Kalani Alexander Fogo Esquivel (🇲🇽 MEX, FM, 2017).

Uriel Alejandro Camara Aguillon (🇲🇽 MEX, 1683) won with 5.5/7, ahead of Iker Rodriguez Peralta (5.0) and Ian Alexander Parra Balbas (5.0). Camara Aguillon won on tie-break after catching the field in the final round.

The biggest upset came in round 6: Agustin Emilio Romo Gonzalez (1446) beat Leonardo Moreno Toxqui (1665), a +219-point gap.

Location

🇲🇽CDM, Ciudad de Mexico, Mexico

Dates

13 Sept 2025 → 16 Sept 2025

Time control

Standard: 65 minutes for game

System

Swiss · 7 rounds

Avg top 10

1,650

Participants

Federations · 2 represented

🇲🇽Mexico×30

FIDE (no federation)×1

Top 3

🥇
Uriel Alejandro Camara Aguillon
🇲🇽MEX·1683
5.5pts·1800perf+38.4
🥈
Iker Rodriguez Peralta
🇲🇽MEX·1745
5.0pts·1754perf+6.0
🥉
Ian Alexander Parra Balbas
🇲🇽MEX·1573
5.0pts·1723perf+47.6

How it unfolded

Top 6 · 7 rounds

Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Camara Aguillon5.5Rodriguez Peralta5Parra Balbas5Flores Salgado5Oi5Garduno Colin5

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Uriel Alejandro Camara Aguillon drew with Iker Rodriguez Peralta (White).

R1–R7 · UNBEATEN

Uriel Alejandro Camara Aguillon went unbeaten across 7 games (R1–R7).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Uriel Alejandro Camara Aguillon	*	½	1	½
2Iker Rodriguez Peralta	½	*	—	½
3Ian Alexander Parra Balbas	0	—	*	—
4Santiago Flores Salgado	½	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Camara Aguillon, Uriel Alejandro	1683	MEX	+13N	+3B	=10N	=5B	+25N	=2B	+7N	5.5	27.5	30.5	23.50	1800	+38.4
2	Rodriguez Peralta, Iker	1745	MEX	+7B	+35N	−4B	+11N	+6B	=1N	=5B	5.0	29.0	30.0	19.75	1754	+6.0
3	Parra Balbas, Ian Alexander	1573	MEX	+36B	−1N	=14B	+21N	+8B	=20N	+12B	5.0	24.0	24.5	15.50	1723	+47.6
4	Oi, Ireri	1586	MEX	+24B	+15N	+2N	=16B	=5N	+10B	−?B	5.0	24.0	24.0	19.75	1849	+56.0
5	Flores Salgado, Santiago	1638	MEX	+29B	+31N	+11B	=1N	=4B	=?N	=2N	5.0	23.5	23.5	15.75	1762	+33.2
6	Garduno Colin, Leonardo	1663	MEX	+18N	+12B	−16N	+10B	−2N	+22B	+20B	5.0	23.0	26.0	17.50	1711	+13.2
7	Romo Gonzalez, Agustin Emilio	1446	MEX	−2N	+27B	=8B	+28N	+9N	+16B	−1B	4.5	26.0	28.5	15.75	1693	+77.6
8	Haro Garcia, Gilberto	1629	MEX	+22N	−9B	=7N	+19B	−3N	+29B	+17N	4.5	24.0	26.0	14.25	1468	-36.0
9	Obregon Felix, Carlos Daniel	1504	MEX	+33B	+8N	−?B	=15N	−7B	+21N	+25B	4.5	19.5	19.5	13.25	1752	+52.0
10	Rivera Herrera, Jesus Abdiel	1574	MEX	+37B	+30N	=1B	−6N	+15B	−4N	=11B	4.0	25.0	25.0	10.25	1428	-30.0
11	Meixueiro, Santiago	1554	FID	+23N	+26B	−5N	−2B	+18N	=17B	=10N	4.0	24.0	27.0	13.25	1580	+6.4
12	Plata Rodriguez, Ixchel	1560	MEX	+34B	−6N	+30B	+31N	−20N	+25B	−3N	4.0	20.0	21.0	8.00	1528	-1.6
13	Casillas Aguilar, Marian Renata	1420	MEX	−1B	=36N	−21N	+23B	=28B	+27N	+24B	4.0	20.0	20.5	10.50	1340	-10.4
14	Rojas Galicia, Mateo	1493	MEX	−26N	+32B	=3N	=22B	−17N	+23B	+29N	4.0	19.5	21.5	11.00	1352	-18.8
15	Salvador Cuellar, Pablo	0	MEX	+38N	−4B	+23N	=9B	−10N	+26B	−16N	3.5	23.0	23.0	8.25	1438	0.0
16	Moreno Toxqui, Leonardo	1665	MEX	F	+28N	+6B	=4N	−?B	−7N	+15B	3.5	20.5	20.5	13.50	1664	0.0
17	Campos Frausto, Angel Sebastian	0	MEX	−28B	−29N	+24B	+34N	+14B	=11N	−8B	3.5	20.0	21.0	10.00	1478	-47.6
18	Serrano Diaz Barriga, Jonathan Le	0	MEX	−6B	+34N	−31B	+30N	−11B	=28N	+37B	3.5	16.5	16.5	4.25	1253	0.0
19	Torres Martinez, Alex Roberto	0	MEX	=20B	−?N	+36B	−8N	−21B	+33N	+28B	3.5	14.5	14.5	5.50	1528	0.0
20	Gonzalez Cauich, Kevin Manuel	1678	MEX	=19N	+21B	F	−?N	+12B	=3B	−6N	3.0	23.5	23.5	11.25	1680	0.0
21	Cosme Velazquez, Sebastian	1561	MEX	F	−20N	+13B	−3B	+19N	−9B	+22N	3.0	23.0	23.0	10.50	1351	-45.2
22	Larios Martinez, Donovan	0	MEX	−8B	+33N	=28B	=14N	+31B	−6N	−21B	3.0	21.0	22.0	6.25	1448	0.0
23	FIDE 550011847	0	—	−11B	+24N	−15B	−13N	+30B	−14N	+36N	3.0	20.5	21.0	5.50	689	0.0
24	Ibanez Calva, Andrea Sofia	0	MEX	−4N	−23B	−17N	+36N	+38B	+32B	−13N	3.0	18.0	18.0	2.50	766	0.0
25	Escobar Badillo, Santiago	1590	MEX	−30B	+37N	+38B	+29N	−1B	−12N	−9N	3.0	18.0	18.0	2.00	774	-62.8
26	Villasenor Larios, Alejandro	1607	MEX	+14B	−11N	F	F	+34B	−15N	+30B	3.0	17.5	17.5	7.00	1524	-9.2
27	Pena Anguiano, Maximiliano	0	MEX	−35B	−7N	−33B	+37N	+36B	−13B	+32N	3.0	13.0	13.0	2.50	690	0.0
28	Penaloza Juarez, Alejandro	1584	MEX	+17N	−16B	=22N	−7B	=13N	=18B	−19N	2.5	22.5	25.5	8.75	1470	-26.0
29	Zambrano Corcino, Yatzil Soleil	0	MEX	−5N	+17B	F	−25B	+32N	−8N	−14B	2.0	22.0	23.0	5.50	1369	0.0
30	Leon Albisoru, Iulius	0	MEX	+25N	−10B	−12N	−18B	−23N	+38B	−26N	2.0	20.5	20.5	3.00	1383	0.0
31	Ibarra Uribe, Rene	1499	MEX	+32N	−5B	+18N	−12B	−22N	F	F	2.0	17.5	17.5	5.50	786	-30.4
32	FIDE 550007912	0	—	−31B	−14N	+37B	+38N	−29B	−24N	−27B	2.0	14.0	14.0	0.00	696	0.0
33	FIDE 550011820	0	—	−9N	−22B	+27N	F	F	−19B	F	1.0	14.0	14.0	3.00	705	0.0
34	FIDE 550011855	0	—	−12N	−18B	F	−17B	−26N	F	+38N	1.0	14.0	14.0	0.00	811	0.0
35	Montoya Alcantara, Rusbel Isai	1605	MEX	+27N	−2B	F	F	F	F	F	1.0	10.0	10.0	3.00	946	-12.4
36	FIDE 550011812	0	—	−3N	=13B	−19N	−24B	−27N	F	−23B	0.5	21.5	21.5	2.00	1304	0.0
37	FIDE 29637902	0	—	−10N	−25B	−32N	−27B	F	F	−18N	0.0	16.5	16.5	0.00	782	0.0
38	FIDE 550011863	0	—	−15B	F	−25N	−32B	−24N	−30N	−34B	0.0	14.5	14.5	0.00	790	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Romo Gonzalez, Agustin EmilioMEX
+77.6
4.5 pts · #5
2Oi, IreriMEX
+56.0
5.0 pts · #6
3Obregon Felix, Carlos DanielMEX
+52.0
4.5 pts · #7

Top rating losers

1Escobar Badillo, SantiagoMEX
-62.8
3.0 pts · #35
2Campos Frausto, Angel SebastianMEX
-47.6
3.5 pts · #18
3Cosme Velazquez, SebastianMEX
-45.2
3.0 pts · #22

Biggest upsets

R6+219 Elo gap
Romo Gonzalez, Agustin Emilio1446 beat Moreno Toxqui, Leonardo1665
R3+159 Elo gap
Oi, Ireri1586 beat Rodriguez Peralta, Iker1745
R4+138 Elo gap
Romo Gonzalez, Agustin Emilio1446 beat Penaloza Juarez, Alejandro1584