I Campeonato Nacional e Internacional de Ajedrez Monterrey 2025 - Sub 13

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40 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 1694, and top seed was Kenneth Damian Alba Ruiz (🇲🇽 MEX, 1874).

Kenneth Damian Alba Ruiz (🇲🇽 MEX, 1874) won with 5.5/6, ahead of Nestor Bibani Carrasco Mexicano (5.0) and Santiago Mercado Garza (4.5). Alba Ruiz won solo starting round 4.

The biggest upset came in round 5: Nestor Bibani Carrasco Mexicano (1675) beat Cristian Gabriel De los Reyes Balandran (1787), a +112-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

🇲🇽Kenneth Damian Alba Ruiz1874

Avg top 10

1,694

Participants

Federations · 1 represented

🇲🇽Mexico×27

Top 3

🥇
Kenneth Damian Alba Ruiz
🇲🇽MEX·1874
5.5pts·2040perf+30.8
🥈
Nestor Bibani Carrasco Mexicano
🇲🇽MEX·1675
5.0pts·1927perf+63.2
🥉
Santiago Mercado Garza
🇲🇽MEX·1732
4.5pts·1709perf-3.2

How it unfolded

Top 6 · 6 rounds

Kenneth Damian Alba Ruiz led from R4; +0.5-point edge over the runner-up.

Co-leaders

Alba Ruiz5.5Carrasco Mexicano5Ruiz Gastelum4.5Mercado Garza4.5Gomez Moreno4.5Castillo Rodriguez4.5

R4–R6 · LEAD HELD

Kenneth Damian Alba Ruiz held the sole lead from R4 through R6 without losing it.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Kenneth Damian Alba Ruiz drew with Nestor Bibani Carrasco Mexicano (Black).

WIN STREAKS · 3 top finishers

Kenneth Damian Alba Ruiz 5 wins (R1–R5)Nestor Bibani Carrasco Mexicano 3 wins (R3–R5)Mateo Ruiz Gastelum 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Kenneth Damian Alba Ruiz	*	½	1	1
2Nestor Bibani Carrasco Mexicano	½	*	—	—
3Mateo Ruiz Gastelum	0	—	*	—
4Santiago Mercado Garza	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Alba Ruiz, Kenneth Damian	1874	MEX	+8B	+10N	+4B	+3N	+5B	=2N	5.5	22.5	26.5	24.00	2040	+30.8
2	Carrasco Mexicano, Nestor Bibani	1675	MEX	+20B	=17N	+12B	+9N	+7B	=1B	5.0	21.0	24.0	19.50	1927	+63.2
3	Mercado Garza, Santiago	1732	MEX	+29B	+36N	+6B	−1B	+8N	=9N	4.5	20.5	21.5	14.00	1709	-3.2
4	Gomez Moreno, Juan Vicente	1645	MEX	+23N	+28B	−1N	=11B	+25N	+18B	4.5	18.5	21.0	13.50	1674	+2.4
5	Ruiz Gastelum, Mateo	1806	MEX	=32B	+39N	+17B	+18N	−1N	+14B	4.5	18.0	18.0	11.50	1759	-4.0
6	Castillo Rodriguez, Jaime De Jesus	1519	MEX	+37N	+34B	−3N	+22B	+11N	=7B	4.5	17.0	17.5	11.00	1567	+4.0
7	De los Reyes Balandran, Cristian Gabriel	1787	MEX	+22N	+16B	=11N	+14B	−2N	=6N	4.0	20.5	23.5	14.25	1653	-25.2
8	Rocandio, Moreno Diego Alonso	0	MEX	−1N	+23B	+34N	+10B	−3B	+20N	4.0	20.0	21.5	11.50	1580	0.0
9	Hernandez Gamboa, Daniel	1734	MEX	=19N	+21B	+25N	−2B	+16N	=3B	4.0	19.0	21.5	12.75	1644	-20.0
10	Dominguez De Leon, Luis Ignacio	1510	MEX	+13N	−1B	+38B	−8N	+31N	+24B	4.0	18.5	19.0	9.50	1073	-4.0
11	Stryker Berlanga, Emilio	0	MEX	+?B	+31N	=7B	=4N	−6B	+19N	4.0	18.0	18.0	9.25	1606	0.0
12	Lopez Salazar, Felipe Damian	1542	MEX	+27N	=25B	−2N	+28B	=19N	+22B	4.0	16.0	18.5	10.75	1415	-20.4
13	Martinez Salinas, Gerardo	0	MEX	−10B	+29N	−15B	+36N	+?B	+26N	4.0	13.5	13.5	6.00	1550	0.0
14	Zamora Marquez, Martin	1530	MEX	+33B	+38N	=18B	−7N	+15B	−5N	3.5	17.5	18.0	7.75	1559	+2.0
15	Rivera Villa, Daniel Alexander	1459	MEX	=21N	=19B	+13N	=16B	−14N	+34B	3.5	17.0	18.5	10.25	1379	-12.4
16	Rodriguez Villarreal, Santiago	1513	MEX	+30B	−7N	+33B	=15N	−9B	+27N	3.5	16.5	18.5	8.75	1387	-18.4
17	Cortez Madera, Fidel Leonardo	1498	MEX	+35N	=2B	−5N	=24B	=34N	+25B	3.5	16.5	18.0	8.75	1652	+22.4
18	Torres Valdez, Oscar Rodolfo	0	MEX	+?B	+?N	=14N	−5B	+26B	−4N	3.5	15.0	15.0	4.25	1642	0.0
19	Raful Zacarias Leal, Moises	1484	MEX	=9B	=15N	+31B	=26N	=12B	−11B	3.0	18.0	20.0	9.00	1588	+24.0
20	FIDE 29631238	0	—	−2N	+37B	+40N	−25B	+21N	−8B	3.0	15.0	15.0	3.50	774	0.0
21	Silva Jimenez, Carlos Adrian	0	MEX	=15B	−9N	+32B	=?N	−20B	+33N	3.0	14.5	14.5	5.75	1476	0.0
22	FIDE 550012762	0	—	−7B	+?N	+?B	−6N	+40B	−12N	3.0	12.5	12.5	0.00	816	0.0
23	FIDE 5189675	0	—	−4B	−8N	+?B	−?N	+32B	+40N	3.0	10.5	10.5	2.00	845	0.0
24	Mejia Cerda, Oscar	0	MEX	−?B	=30N	+39B	=17N	+?B	−10N	3.0	10.0	10.0	3.00	1267	0.0
25	Molina Ronquillo, Pablo	1474	MEX	+40B	=12N	−9B	+20N	−4B	−17N	2.5	19.0	19.0	5.00	1283	-33.2
26	Rascon Peralta, Bolivar Ernesto	1618	MEX	−28N	+32N	+36B	=19B	−18N	−13B	2.5	15.0	16.0	4.50	1471	-8.0
27	Lopez De La O, Uriel Ithamar	0	MEX	−12B	−?N	+30B	=35N	+28N	−16B	2.5	14.0	14.0	5.75	727	0.0
28	Maciel Martinez, Sebastian	0	MEX	+26B	−4N	=?B	−12N	−27B	+?N	2.5	13.5	13.5	2.50	1518	0.0
29	FIDE 29687292	0	—	−3N	−13B	+37N	−31B	=38N	+?B	2.5	11.5	11.5	0.75	932	0.0
30	Leon Albisoru, Iulius	0	MEX	−16N	=24B	−27N	+39B	−35B	+37N	2.5	11.0	11.0	2.00	711	0.0
31	FIDE 550012789	0	—	F	−11B	−19N	+29N	−10B	+36N	2.0	14.5	14.5	3.50	691	0.0
32	Valdez Alvarez, Santino	0	MEX	=5N	−26B	−21N	=37B	−23N	+39B	2.0	13.5	13.5	2.50	1520	0.0
33	FIDE 5183065	0	—	−14N	+35B	−16N	−34B	+39N	−21B	2.0	13.0	13.0	1.50	720	0.0
34	FIDE 550012800	0	—	F	−6N	−8B	+33N	=17B	−15N	1.5	17.5	17.5	3.75	1219	0.0
35	FIDE 550009370	0	—	−17B	−33N	F	=27B	+30N	−?N	1.5	10.5	10.5	3.75	756	0.0
36	FIDE 29664500	0	—	F	−3B	−26N	−13B	+?N	−31B	1.0	13.0	13.0	0.00	876	0.0
37	FIDE 29644887	0	—	−6B	−20N	−29B	=32N	F	−30B	0.5	14.5	14.5	1.00	719	0.0
38	FIDE 550012770	0	—	F	−14B	−10N	F	=29B	F	0.5	10.0	10.0	1.25	720	0.0
39	FIDE 550012754	0	—	F	−5B	−24N	−30N	−33B	−32N	0.0	14.0	14.0	0.00	1007	0.0
40	FIDE 550012827	0	—	−25N	F	−20B	F	−22N	−23B	0.0	12.0	12.0	0.00	674	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Carrasco Mexicano, Nestor BibaniMEX
+63.2
5.0 pts · #2
2Alba Ruiz, Kenneth DamianMEX
+30.8
5.5 pts · #1
3Raful Zacarias Leal, MoisesMEX
+24.0
3.0 pts · #9

Top rating losers

1Molina Ronquillo, PabloMEX
-33.2
2.5 pts · #21
2De los Reyes Balandran, Cristian GabrielMEX
-25.2
4.0 pts · #5
3Lopez Salazar, Felipe DamianMEX
-20.4
4.0 pts · #16

Biggest upsets

R5+112 Elo gap
Carrasco Mexicano, Nestor Bibani1675 beat De los Reyes Balandran, Cristian Gabriel1787