I Campeonato Nacional e Internacional de Ajedrez Monterrey 2025 - Sub 11

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39 players participated in this 6-round tournament, held from 16 Oct 2025 to 19 Oct 2025 in N L, Monterrey, Mexico. Top 10 Elo average was 1562, and top seed was Alejandro Mateo Santibanez Alviso (🇲🇽 MEX, 1662).

Andres Munoz Padilla (🇲🇽 MEX, 1572) won with 5.5/6, ahead of Miguel Davis Villarreal (5.0) and Cristopher Alejandro Cienfuegos Torres (5.0). Munoz Padilla won solo starting round 4.

The biggest upset came in round 3: Juan Pablo Lopez Vargas (1501) beat Alejandro Mateo Santibanez Alviso (1662), a +161-point gap.

Location

🇲🇽N L, Monterrey, Mexico

Dates

16 Oct 2025 → 19 Oct 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 6 rounds

Top seed

🇲🇽Alejandro Mateo Santibanez Alviso1662

Avg top 10

1,562

Participants

Federations · 1 represented

🇲🇽Mexico×32

Top 3

🥇
Andres Munoz Padilla
🇲🇽MEX·1572
5.5pts·1877perf+52.8
🥈
Miguel Davis Villarreal
🇲🇽MEX·1525
5.0pts·773perf-17.2
🥉
Cristopher Alejandro Cienfuegos Torres
🇲🇽MEX·1647
5.0pts·1729perf+22.4

How it unfolded

Top 6 · 6 rounds

Andres Munoz Padilla led from R4; +0.5-point edge over the runner-up.

Co-leaders

Munoz Padilla5.5Cienfuegos Torres5Davis Villarreal5Lopez Vargas4.5Perez Celis4.5Martinez Guzman4.5

R4–R6 · LEAD HELD

Andres Munoz Padilla held the sole lead from R4 through R6 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Andres Munoz Padilla drew with Cristopher Alejandro Cienfuegos Torres (White).

WIN STREAKS · 3 top finishers

Andres Munoz Padilla 4 wins (R1–R4)Cristopher Alejandro Cienfuegos Torres 3 wins (R1–R3)Miguel Davis Villarreal 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Andres Munoz Padilla	*	½	1	—
2Cristopher Alejandro Cienfuegos Torres	½	*	—	½
3Miguel Davis Villarreal	0	—	*	—
4Juan Pablo Lopez Vargas	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Munoz Padilla, Andres	1572	MEX	+30B	+8N	+2B	+6N	=3B	+15N	5.5	22.0	24.5	22.00	1877	+52.8
2	Davis Villarreal, Miguel	1525	MEX	+22N	+11B	−1N	+24B	+5N	+12B	5.0	21.0	24.0	18.50	773	-17.2
3	Cienfuegos Torres, Cristopher Alejandro	1647	MEX	+33N	+9B	+18N	=4B	=1N	+11B	5.0	21.0	23.0	18.00	1729	+22.4
4	Lopez Vargas, Juan Pablo	1501	MEX	+39B	+25N	+10B	=3N	−15N	+14B	4.5	19.0	20.0	14.00	1661	+31.2
5	Perez Celis, Roman	0	MEX	+13N	=20B	+14B	+16N	−2B	+?N	4.5	19.0	19.0	12.50	1523	0.0
6	Camargo Ortega, Ricardo	1521	MEX	+37N	+23B	+17N	−1B	=14N	+26B	4.5	18.0	19.5	12.25	1335	-19.2
7	Martinez Guzman, Diego	1541	MEX	+32B	−14N	=19B	+31N	+30B	+8N	4.5	15.5	18.0	13.00	1257	-41.2
8	Lopez Sanchez, Luis Alberto	0	MEX	+?N	−1B	+23N	+17B	+21N	−7B	4.0	19.0	19.0	9.00	814	0.0
9	Garcia Solis, Miguel Angel	1502	MEX	+29B	−3N	+28B	+19N	−11B	+18B	4.0	18.0	21.0	12.00	1518	+2.0
10	Santibanez Alviso, Alejandro Mateo	1662	MEX	+27N	+24B	−4N	−15B	+38N	+21B	4.0	17.0	18.5	10.50	707	-56.4
11	Lopez, Mendez Maximo Ignacio	0	MEX	+?N	−2N	+25B	+?B	+9N	−3N	4.0	17.0	17.0	7.00	1422	0.0
12	Garza Juarez, Raul Alberto	0	MEX	+?N	−17B	+36N	+18B	+16N	−2N	4.0	16.0	16.0	8.00	724	0.0
13	Dominguez Villalon, Alan	0	MEX	−5B	+39N	+?B	−14N	+23B	+30N	4.0	14.5	14.5	6.50	682	0.0
14	Lagui Bautista, Fredy	1475	MEX	+35N	+7B	−5N	+13B	=6B	−4N	3.5	22.0	24.0	12.75	1563	+12.8
15	Salazar Amaro, Julio Francisco	1528	MEX	+34N	F	=16B	+10N	+4B	−1B	3.5	19.5	19.5	12.25	1708	+33.2
16	Felix, Vazquez Aaron Tadeo	0	MEX	+?N	+?B	=15N	−5B	−12B	+31N	3.5	14.5	14.5	4.25	1500	0.0
17	Morales Leija, Leonardo Nicolas	0	MEX	+31B	+12N	−6B	−8N	−26B	+36N	3.0	18.0	19.5	8.00	720	0.0
18	Smiers Guillermo, Jasper Uriel	0	MEX	+?B	+28N	−3B	−12N	+33B	−9N	3.0	18.0	18.0	5.00	1434	0.0
19	Villanueva Garcia, Andrew	1421	MEX	=20N	+26B	=7N	−9B	=24N	=27B	3.0	17.5	20.5	9.75	1447	+4.4
20	Villanueva Garcia, Iker	1562	MEX	=19B	=5N	=27B	−26N	+36N	=25B	3.0	16.5	18.0	8.25	1417	-8.0
21	Jim Gonzalez, Jose Luis	0	MEX	−23B	+?B	+22N	+33N	−8B	−10N	3.0	16.0	16.0	5.00	1611	0.0
22	Rangel Rodriguez, Kin	0	MEX	−2B	+38N	−21B	=25N	+?N	=24B	3.0	15.5	15.5	4.50	724	0.0
23	Rojano Valle, Abraham	0	MEX	+21N	−6N	−8B	+?B	−13N	+?B	3.0	15.5	15.5	3.00	720	0.0
24	Rodriguez Chavez, Sergio Manuel	0	MEX	+?B	−10N	+?B	−2N	=19B	=22N	3.0	15.0	15.0	3.00	1261	0.0
25	Ramos Pecero, Jose Humberto	0	MEX	+?N	−4B	−11N	=22B	+?N	=20N	3.0	14.5	14.5	3.00	1345	0.0
26	Gil Castillo, Jesus Pablo	0	MEX	F	−19N	+?B	+20B	+17N	−6N	3.0	13.5	13.5	6.00	1375	0.0
27	Kattel Zamudio, Virat Dipankar	0	MEX	−10B	+?N	=20N	+34B	−?B	=19N	3.0	12.0	12.0	5.00	1422	0.0
28	FIDE 29622670	0	—	+?N	−18B	−9N	=?B	=34N	+?B	3.0	9.0	9.0	1.00	699	0.0
29	Contreras Trevino, Matias Eulalio	0	MEX	−9N	−33B	+?N	=?B	=?N	+?B	3.0	6.0	6.0	0.00	730	0.0
30	FIDE 29672139	0	—	−1N	+35B	=34N	+?B	−7N	−13B	2.5	18.0	18.0	3.00	814	0.0
31	FIDE 29645018	0	—	−17N	=?B	+?N	−7B	+37N	−16B	2.5	12.5	12.5	1.50	855	0.0
32	Serrano Vaquero, Juan Gilberto	0	MEX	−7N	−34B	+35N	−36B	=?N	+?B	2.5	10.0	10.0	2.00	855	0.0
33	Medellin Gutierrez, Iker Gabriel	1559	MEX	−3B	+29N	F	−21B	−18N	+34B	2.0	16.0	16.0	5.00	819	-16.8
34	Carrera Diaz, Emiliano Jacob	0	MEX	−15B	+32N	=30B	−27N	=28B	−33N	2.0	14.5	16.5	5.25	730	0.0
35	FIDE 29686725	0	—	−14B	−30N	−32B	−?N	+39B	+?N	2.0	9.5	9.5	1.00	682	0.0
36	Zuniga Frajillo, Santiago Eduardo	0	MEX	F	=?N	−12B	+32N	−20B	−17B	1.5	12.5	12.5	2.50	763	0.0
37	FIDE 29672619	0	—	−6B	+?B	=?N	−?N	−31B	−?N	1.5	7.0	7.0	0.00	720	0.0
38	FIDE 550012908	0	—	−?N	−22B	F	+?N	−10B	=?B	1.5	7.0	7.0	0.00	862	0.0
39	FIDE 29631173	0	—	−4N	−13B	−?B	−?N	−35N	+?B	1.0	10.5	10.5	0.00	713	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Munoz Padilla, AndresMEX
+52.8
5.5 pts · #1
2Salazar Amaro, Julio FranciscoMEX
+33.2
3.5 pts · #4
3Lopez Vargas, Juan PabloMEX
+31.2
4.5 pts · #3

Top rating losers

1Santibanez Alviso, Alejandro MateoMEX
-56.4
4.0 pts · #30
2Martinez Guzman, DiegoMEX
-41.2
4.5 pts · #16
3Camargo Ortega, RicardoMEX
-19.2
4.5 pts · #19

Biggest upsets

R3+161 Elo gap
Lopez Vargas, Juan Pablo1501 beat Santibanez Alviso, Alejandro Mateo1662
R4+134 Elo gap
Salazar Amaro, Julio Francisco1528 beat Santibanez Alviso, Alejandro Mateo1662