Olimpiada Nacional 2025. Sub 20 Varonil. Estandar

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32 players participated in this 6-round tournament, held from 11 Jul 2025 to 13 Jul 2025 in PUE, Puebla, Mexico. 7 titled players. Top 10 Elo average was 2171, and top seed was Sion Radamantys Galaviz Medina (🇲🇽 MEX, GM, 2494).

Sion Radamantys Galaviz Medina (🇲🇽 MEX, GM, 2494) won with 5.5/6, ahead of Christian Daniel Villarreal Hurtado (4.5) and Miguel Angel Montes Orozco (4.0). Galaviz Medina won solo starting round 3.

The biggest upset came in round 3: Fred Macnaught Abundez (1631) beat Ariel Velasco Bartolo (1909), a +278-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

🇲🇽GMSion Radamantys Galaviz Medina2494

Avg top 10

2,171

Participants

Titled players · 7

GM×1

FM×2

CM×4

Federations · 1 represented

🇲🇽Mexico×32

Top 3

🥇
GMSion Radamantys Galaviz Medina
🇲🇽MEX·2494
5.5pts·2558perf+2.7
🥈
Christian Daniel Villarreal Hurtado
🇲🇽MEX·2002
4.5pts·2218perf+69.6
🥉
FMMiguel Angel Montes Orozco
🇲🇽MEX·2293
4.0pts·2263perf-2.2

How it unfolded

Top 6 · 6 rounds

GM Sion Radamantys Galaviz Medina led from R3; +1.0-point edge over the runner-up.

Co-leaders

Galaviz Medina5.5Villarreal Hurtado4.5Montes Orozco4Taylor Rodriguez4Garduno Huerta4Galaviz Medina4

R3–R6 · LEAD HELD

GM Sion Radamantys Galaviz Medina never relinquished the lead after R3; final gap +1.0 over the runner-up.

WIN STREAKS · 2 top finishers

GM Sion Radamantys Galaviz Medina 3 wins (R1–R3)Christian Daniel Villarreal Hurtado 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMSion Radamantys Galaviz Medina	*	—	½	1
2Christian Daniel Villarreal Hurtado	—	*	0	1
3FMMiguel Angel Montes Orozco	½	1	*	—
4CMJuan Jose Taylor Rodriguez	0	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Galaviz Medina, Sion RadamantysGM	2494	MEX	+21B	+12N	+4B	=3N	+9B	+6B	5.5	19.0	21.5	19.50	2558	+2.7
2	Villarreal Hurtado, Christian Daniel	2002	MEX	+23B	−3N	=5B	+30N	+14B	+4N	4.5	18.0	19.5	13.50	2218	+69.6
3	Montes Orozco, Miguel AngelFM	2293	MEX	+22N	+2B	=13N	=1B	−6N	+17B	4.0	20.5	23.0	14.50	2263	-2.2
4	Taylor Rodriguez, Juan JoseCM	2150	MEX	+29B	+15N	−1N	+17B	+13N	−2B	4.0	20.0	22.0	12.00	2217	+9.2
5	Garduno Huerta, Joshua Emiliano	2106	MEX	+11N	−16B	=2N	+23B	=7B	+12N	4.0	18.5	21.0	13.75	2026	-19.6
6	Gonzalez Zharikov, AndreyFM	2219	MEX	=30B	+28N	+16N	=13B	+3B	−1N	4.0	18.0	19.5	11.50	2222	+5.9
7	Munoz Morales, Angel Bernardo	1932	MEX	=8B	+30N	=9B	=10B	=5N	+21N	4.0	17.5	19.0	11.50	2173	+76.8
8	Galaviz Medina, Atlas AdomaytisCM	2163	MEX	=7N	=17B	=10N	+22B	=11N	+18B	4.0	17.0	19.5	12.50	2102	-8.2
9	Alvarado Rubio, Matias Uziel	1992	MEX	+32N	=10B	=7N	+18B	−1N	=13B	3.5	19.5	19.5	8.50	2100	+24.8
10	Rivera Perez, Alfredo Asaf	2078	MEX	+20B	=9N	=8B	=7N	=12B	=11N	3.5	18.5	21.5	12.25	2024	-14.4
11	Calixto Perea, Sebastian Alonso	1828	MEX	−5B	+19N	+15B	=14N	=8B	=10B	3.5	18.5	21.5	12.00	2121	+90.4
12	Lozano Garay, David Rey	2029	MEX	+24N	−1B	+21N	+16B	=10N	−5B	3.5	18.5	21.0	9.75	2106	+23.2
13	Paredes Guzman, Francisco JavierCM	2092	MEX	+27B	+25N	=3B	=6N	−4B	=9N	3.5	17.5	19.5	9.75	2113	+5.4
14	Del Valle Uribe, David	2001	MEX	−25N	+27B	+20N	=11B	−2N	+24B	3.5	15.5	17.5	9.25	1917	-24.0
15	Briceno Campos, Angel Gabriel	1966	MEX	+31N	−4B	−11N	=24B	+25N	+22B	3.5	14.5	15.5	6.75	1938	-6.8
16	Rodriguez Aguilar, Alan	1917	MEX	+19B	+5N	−6B	−12N	−18N	+25B	3.0	17.5	19.5	9.00	2035	+18.0
17	Ruiz Ortiz, Gabriel Abraham	2043	MEX	=26B	=8N	+25B	−4N	+19B	−3N	3.0	17.0	19.0	8.00	2033	0.0
18	Ramirez Garcia, Alexis	2008	MEX	=28B	=26N	+29B	−9N	+16B	−8N	3.0	14.5	16.5	7.00	1917	-26.8
19	Chavez Dominguez, Lenin Odin	2071	MEX	−16N	−11B	+31N	+20B	−17N	+28B	3.0	14.5	15.5	6.00	1856	-31.4
20	Rolandi Rodriguez, Dario	1861	MEX	−10N	+32B	−14B	−19N	+27B	+26N	3.0	14.0	14.0	4.00	1889	+6.0
21	Flores Teillery, Alejandro FranciscoCM	1978	MEX	−1N	+24B	−12B	=26N	+23N	−7B	2.5	18.0	20.0	6.00	1860	-20.2
22	Reyes Serrano, Jose de Jesus	1980	MEX	−3B	=23N	+26B	−8N	+30B	−15N	2.5	16.0	17.5	4.75	1904	-12.2
23	Macnaught Abundez, Fred	1631	MEX	−2N	=22B	+27N	−5N	−21B	+31B	2.5	15.5	16.5	4.25	1887	+64.4
24	Castillo Martinez, Angel Said	1789	MEX	−12B	−21N	+32B	=15N	+29B	−14N	2.5	15.0	15.0	3.75	1837	+10.8
25	Crisostomo Gomez, Luis Bryan	1777	MEX	+14B	−13B	−17N	+29N	−15B	−16N	2.0	16.5	18.5	5.50	1870	+12.6
26	Gonzalez Barrera, Charo Rodolfo	1746	MEX	=17N	=18B	−22N	=21B	=28N	−20B	2.0	14.0	16.0	5.25	1808	+15.2
27	Velasco Bartolo, Ariel	1909	MEX	−13N	−14N	−23B	+31B	−20N	+30N	2.0	14.0	15.0	2.50	1762	-45.6
28	Ojeda Balcazar, Milton Samuel	1728	MEX	=18N	−6B	−30B	+32N	=26B	−19N	2.0	13.5	13.5	2.50	1745	-1.2
29	Medina Reyes, Stefano	1955	MEX	−4N	+31B	−18N	−25B	−24N	+32N	2.0	12.5	12.5	1.00	1658	-75.2
30	Diaz Gonzalez Jardon, Emmanuel	1970	MEX	=6N	−7B	+28N	−2B	−22N	−27B	1.5	17.0	19.0	4.00	1768	-31.4
31	Juarez Garcia, Abelardo	1766	MEX	−15B	−29N	−19B	−27N	+32B	−23N	1.0	13.0	13.0	0.00	1106	-64.8
32	Garcia Del Carmen, Jose Carlos	0	MEX	−9B	−20N	−24N	−28B	−31N	−29B	0.0	13.0	14.0	0.00	1048	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Calixto Perea, Sebastian AlonsoMEX
+90.4
3.5 pts · #14
2Munoz Morales, Angel BernardoMEX
+76.8
4.0 pts · #8
3Villarreal Hurtado, Christian DanielMEX
+69.6
4.5 pts · #2

Top rating losers

1Medina Reyes, StefanoMEX
-75.2
2.0 pts · #29
2Juarez Garcia, AbelardoMEX
-64.8
1.0 pts · #31
3Velasco Bartolo, ArielMEX
-45.6
2.0 pts · #25

Biggest upsets

R3+278 Elo gap
Macnaught Abundez, Fred1631 beat Velasco Bartolo, Ariel1909
R2+243 Elo gap
Calixto Perea, Sebastian Alonso1828 beat Chavez Dominguez, Lenin Odin2071
R1+224 Elo gap
Crisostomo Gomez, Luis Bryan1777 beat Del Valle Uribe, David2001