Olimpiada Nacional 2025. Sub 16 Varonil. Estandar

Open SwissStandard

32 players participated in this 6-round tournament, held from 11 Jul 2025 to 13 Jul 2025 in PUE, Puebla, Mexico. 3 titled players. Top 10 Elo average was 2017, and top seed was Andre Fernando Orta Ruz (🇲🇽 MEX, 2130).

Sid Diego Silva Sobreyra (🇲🇽 MEX, 2056) won with 5.0/6, ahead of Miguel Arturo Silva Arellano (5.0) and Matias Martinez Flores (4.5). Silva Sobreyra shared the lead from round 4, winning on tie-break.

The biggest upset came in round 3: Cristian Gabriel De los Reyes Balandran (1662) beat Matias Martinez Flores (FM, 2059), a +397-point gap.

Location

🇲🇽PUE, Puebla, Mexico

Dates

11 Jul 2025 → 13 Jul 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 6 rounds

Top seed

🇲🇽Andre Fernando Orta Ruz2130

Avg top 10

2,017

Participants

Titled players · 3

FM×2

CM×1

Federations · 1 represented

🇲🇽Mexico×32

Top 3

🥇
Sid Diego Silva Sobreyra
🇲🇽MEX·2056
5.0pts·2154perf+28.8
🥈
Miguel Arturo Silva Arellano
🇲🇽MEX·1914
5.0pts·2172perf+75.2
🥉
FMMatias Martinez Flores
🇲🇽MEX·2059
4.5pts·2048perf+1.6

How it unfolded

Top 6 · 6 rounds

Tight race until R5; 2 players tied at 5.0/6, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 2 at the finish.

Co-leaders

Silva Sobreyra5Silva Arellano5Riera Fregoso4.5Martinez Flores4.5Lerma Castillo4Mendoza Inzunza4

R5–R6 · LEAD HELD

Sid Diego Silva Sobreyra held the sole lead from R5 through R6 without losing it.

R6 · TIEBREAK CLUSTER

2 players finish on 5.0/6. Silva Sobreyra takes the title on Buchholz Cut1 (21.5).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Sid Diego Silva Sobreyra beat Miguel Arturo Silva Arellano (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Sid Diego Silva Sobreyra	*	1	½	½
2Miguel Arturo Silva Arellano	0	*	—	—
3Ferran Riera Fregoso	½	—	*	—
4FMMatias Martinez Flores	½	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Silva Sobreyra, Sid Diego	2056	MEX	+12B	=4N	+2B	+7N	+8B	=3N	5.0	21.5	25.0	20.50	2154	+28.8
2	Silva Arellano, Miguel Arturo	1914	MEX	+10N	+14B	−1N	+11B	+5N	+9B	5.0	19.5	22.5	17.50	2172	+75.2
3	Martinez Flores, MatiasFM	2059	MEX	+11N	+16B	−8N	+24B	+9N	=1B	4.5	18.5	21.0	15.00	2048	+1.6
4	Riera Fregoso, Ferran	1952	MEX	+32N	=1B	+20N	−5B	+14N	+8B	4.5	18.0	18.5	12.00	2067	+37.6
5	Fogo Esquivel, Levi Kalani AlexanderFM	2071	MEX	+28N	+22B	−9N	+4N	−2B	+17N	4.0	18.5	20.5	12.00	1995	-20.8
6	Mendoza Inzunza, Miguel Angel	1947	MEX	+29N	−8B	+10N	=21B	+15N	=7B	4.0	16.5	18.5	11.75	1961	+5.6
7	Lerma Castillo, Juan	1878	MEX	+25N	=20B	+30N	−1B	+21N	=6N	4.0	16.0	17.5	9.25	2056	+56.4
8	De los Reyes Balandran, Cristian Gabriel	1662	MEX	+27N	+6N	+3B	=9B	−1N	−4N	3.5	21.5	23.5	12.25	2030	+100.0
9	Leal Escamilla, Daniel Zinedine	1943	MEX	+17B	+15N	+5B	=8N	−3B	−2N	3.5	20.0	23.0	11.75	1938	+2.0
10	Roque Aranda, Jeronimo	1787	MEX	−2B	+18N	−6B	+31N	=16B	+20B	3.5	17.5	19.0	8.50	1923	+45.2
11	Aroche Ramos, Cesar Armando	1758	MEX	−3B	+26B	+25N	−2N	=18B	+21B	3.5	17.0	19.0	8.00	2011	+76.0
12	Salas Carbajal, Bryan Abimael	1799	MEX	−1N	+32B	=14N	+30B	=20N	=13B	3.5	15.5	16.0	6.50	1945	+45.6
13	Salinas Cardenas, Rodrigo SalvadorCM	2050	MEX	=30N	−21B	+26N	=15N	+23B	=12N	3.5	13.5	15.0	8.50	1903	-36.0
14	Mancilla Jimenez, Mauricio	1780	MEX	+18B	−2N	=12B	+16N	−4B	=19N	3.0	19.0	22.0	9.25	1874	+30.4
15	Huacuja Canizalez, Gustavo Antonio	1789	MEX	+26N	−9B	+22N	=13B	−6B	=18N	3.0	16.5	18.5	7.75	1951	+50.4
16	Borjon Garza, Rodrigo	1824	MEX	+21N	−3N	=23B	−14B	=10N	+26B	3.0	16.0	18.0	7.50	1953	+31.2
17	Sanchez Tlapale, Anthony Amaury	1765	MEX	−9N	+27B	−21N	+22B	+24N	−5B	3.0	15.0	17.0	7.00	1957	+56.0
18	Quiroz Frias, Alvaro	1907	MEX	−14N	−10B	+32N	+28B	=11N	=15B	3.0	15.0	15.5	5.75	1766	-45.2
19	Angeles Vera, Mario Alberto	1846	MEX	−20N	−25B	=27N	+29B	+30N	=14B	3.0	11.5	13.0	6.00	1810	-12.0
20	Gonzalez Sanchez, Ilan Said	1960	MEX	+19B	=7N	−4B	=23N	=12B	−10N	2.5	18.5	21.0	8.00	1780	-48.4
21	Orta Ruz, Andre Fernando	2130	MEX	−16B	+13N	+17B	=6N	−7B	−11N	2.5	18.0	21.0	8.50	1813	-92.8
22	Terres Balderrama, Luigi Guadalupe	1854	MEX	+31B	−5N	−15B	−17N	+27B	=23N	2.5	14.5	16.0	4.75	1758	-26.4
23	Gomez Lopez, Gerardo Said	0	MEX	+24N	−30B	=16N	=20B	−13N	=22B	2.5	14.0	15.5	6.50	1833	0.0
24	Hernandez Gonzalez, Ronaldo	1862	MEX	−23B	+29N	+31B	−3N	−17B	=25N	2.5	14.0	15.5	4.50	1784	-18.7
25	Solis Galicia, Luis Angel	1707	MEX	−7B	+19N	−11B	−27N	=28N	=24B	2.0	15.0	17.0	5.25	1711	+1.6
26	Noriega Castaneda, Carlos Alfredo	2006	MEX	−15B	−11N	−13B	+32N	+31B	−16N	2.0	14.5	15.0	2.00	1668	-101.6
27	Gonzalez Cadena, Armando Zayd	1882	MEX	−8B	−17N	=19B	+25B	−22N	=28B	2.0	14.0	16.0	4.50	1650	-74.0
28	Martinez Schiaffino, Uriel	1792	MEX	−5B	−31N	+29B	−18N	=25B	=27N	2.0	13.0	14.5	4.00	1701	-30.4
29	Tun May, Sergio Emiliano	1746	MEX	−6B	−24B	−28N	−19N	+32B	+30B	2.0	13.0	13.5	2.00	1696	-16.0
30	Gonzalez Peiro, Lukas	1788	MEX	=13B	+23N	−7B	−12N	−19B	−29N	1.5	16.5	18.5	4.25	1498	-60.8
31	Bravo Garcia, Sergio Alejandro	1642	MEX	−22N	+28B	−24N	−10B	−26N	=32B	1.5	12.5	13.0	2.25	1639	-3.6
32	Lemus Velazquez, Jose Andres	1691	MEX	−4B	−12N	−18B	−26B	−29N	=31N	0.5	15.0	16.5	0.75	1441	-54.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1De los Reyes Balandran, Cristian GabrielMEX
+100.0
3.5 pts · #10
2Aroche Ramos, Cesar ArmandoMEX
+76.0
3.5 pts · #12
3Silva Arellano, Miguel ArturoMEX
+75.2
5.0 pts · #2

Top rating losers

1Noriega Castaneda, Carlos AlfredoMEX
-101.6
2.0 pts · #27
2Orta Ruz, Andre FernandoMEX
-92.8
2.5 pts · #21
3Gonzalez Cadena, Armando ZaydMEX
-74.0
2.0 pts · #29

Biggest upsets

R3+397 Elo gap
De los Reyes Balandran, Cristian Gabriel1662 beat FMMartinez Flores, Matias2059
R6+372 Elo gap
Aroche Ramos, Cesar Armando1758 beat Orta Ruz, Andre Fernando2130
R1+306 Elo gap
Borjon Garza, Rodrigo1824 beat Orta Ruz, Andre Fernando2130