1er Nacional de Ajedrez "Mtro. Mario Jordan Velazquez Coello" In Memoriam Cat. U-1900

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38 players participated in this 6-round tournament, held from 24 Oct 2025 to 26 Oct 2025 in TAB, Villahermosa, Mexico. 2 federations represented. Top 10 Elo average was 1806, and top seed was Gerson Revilla Diaz (🇲🇽 MEX, 1897).

Caralampio Mendez Vazquez (🇲🇽 MEX, 0) won with 5.0/6, ahead of Ulises Baez Ramos (5.0) and Pablo Magana Arceo (4.5). Mendez Vazquez won on tie-break after catching the field in the final round.

The biggest upset came in round 3: Diony Lucia Andrade Gurria (1574) beat Hedder Miguel Beltran Herrera (1800), a +226-point gap.

Location

🇲🇽TAB, Villahermosa, Mexico

Dates

24 Oct 2025 → 26 Oct 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇲🇽Gerson Revilla Diaz1897

Avg top 10

1,806

Participants

Federations · 2 represented

🇲🇽Mexico×37

🇻🇪Venezuela×1

Top 3

🥇
Caralampio Mendez Vazquez
🇲🇽MEX
5.0pts·1791perf0.0
🥈
Ulises Baez Ramos
🇲🇽MEX
5.0pts·1766perf0.0
🥉
Pablo Magana Arceo
🇲🇽MEX·1740
4.5pts·1918perf+48.0

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 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

Mendez Vazquez5Baez Ramos5Magana Arceo4.5Puerto Rodriguez4Campos Mendez4Lopez Pech4— ex-leaders:Magana Arceoled R3, #9

R5 · LEADER CHANGE25 Oct

Ulises Baez Ramos takes the sole lead (4.5/5).

R6 · TIEBREAK CLUSTER

2 players finish on 5.0/6. Mendez Vazquez takes the title on Buchholz Cut1 (17.5).

WIN STREAKS · 2 top finishers

Ulises Baez Ramos 3 wins (R3–R5)Pablo Magana Arceo 3 wins (R1–R3)

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Mendez Vazquez, Caralampio	0	MEX	+31B	=20N	+6B	+17N	=4B	+5N	5.0	17.5	19.0	15.75	1791	0.0
2	Baez Ramos, Ulises	0	MEX	+33N	=6B	+29N	+20B	+7N	=4B	5.0	16.5	17.5	13.50	1766	0.0
3	Magana Arceo, Pablo	1740	MEX	+34B	+11N	+5B	−4N	+13B	=8B	4.5	19.0	20.0	14.00	1918	+48.0
4	Monjaras Perez, Jose Miguel	1758	MEX	F	+12B	+23N	+3B	=1N	=2N	4.0	20.5	20.5	15.50	2502	+25.2
5	Velazquez Rios, Christian Jonathan	1892	MEX	+19N	+10B	−3N	+18B	+15N	−1B	4.0	20.0	23.0	13.50	1982	+9.0
6	Rito Gonzalez, Alexander	1686	MEX	+18B	=2N	−1N	+21B	=10N	+24B	4.0	19.5	22.0	12.50	2109	+79.2
7	Lopez Pech, Jose Alexis	0	MEX	+25N	=9B	+21N	+15B	−2B	=27N	4.0	17.5	20.0	11.75	1853	0.0
8	Campos Mendez, Brandon Antonio	1730	MEX	=14N	−29B	+32B	+30N	+11B	=3N	4.0	15.5	17.0	11.00	1842	+32.4
9	Guillen Moreno, Karina Guadalupe	1827	MEX	+36B	=7N	−20B	+19N	+22B	=17N	4.0	15.0	15.5	9.50	1685	-21.6
10	Puerto Rodriguez, Gabriel	1748	MEX	+38B	−5N	+37B	=11N	=6B	+22N	4.0	14.5	14.5	6.75	1881	+21.0
11	Duarte Achach, Raul Alberto	1839	MEX	+27N	−3B	+12N	=10B	−8N	+21B	3.5	18.5	21.0	10.50	1795	-6.6
12	Ramirez Broca, Edel Emiliano	1709	MEX	+13B	−4N	−11B	=26N	+30B	+23N	3.5	16.0	18.0	9.25	1729	+4.8
13	Monterrosas Garcia, Jose Miguel	0	MEX	−12N	+27B	+33N	=23B	−3N	+20B	3.5	15.5	16.5	7.25	1727	0.0
14	Sanchez Gomez, Ana Valeria	1617	MEX	=8B	−30N	+28B	=31N	+19B	=16N	3.5	15.0	16.5	10.00	1608	-0.8
15	Revilla Diaz, Gerson	1897	MEX	=22B	+32N	+30B	−7N	−5B	+26N	3.5	15.0	16.5	7.25	1890	0.0
16	Tucuch May, Jesus Alberto	1705	MEX	−21N	=25B	+35N	=24B	+18N	=14B	3.5	14.0	15.0	8.25	1800	+16.6
17	Andrade Gurria, Diony Lucia	1574	MEX	F	=21B	+24N	−1B	+20N	=9B	3.0	16.5	16.5	8.25	1979	+83.6
18	Martinez Rodriguez, Jimmy	1769	MEX	−6N	+36B	+26N	−5N	−16B	+34B	3.0	15.0	15.5	4.00	1635	-18.4
19	Perez Guillermo, Jose Abraham	0	MEX	−5B	+38N	+34N	−9B	−14N	+29B	3.0	14.5	14.5	3.00	1716	0.0
20	Galaviz Medina, Ades Antares	1745	MEX	+26B	=1B	+9N	−2N	−17B	−13N	2.5	20.5	23.0	9.00	1804	+9.6
21	Gomez Velazquez, Nestor Jos	1774	MEX	+16B	=17N	−7B	−6N	+31B	−11N	2.5	18.0	19.5	6.50	1614	-35.6
22	Hernandez De la Luz, Alejandro Artemio	1739	MEX	=15N	−24B	+25N	+29B	−9N	−10B	2.5	16.5	18.5	6.25	1725	-6.0
23	Galaviz Medina, Seiya Margarita	1654	MEX	+35B	+28N	−4B	=13N	−24N	−12B	2.5	16.0	17.0	5.25	1561	-18.0
24	Beltran Herrera, Hedder Miguel	1800	MEX	F	+22N	−17B	=16N	+23B	−6N	2.5	15.5	15.5	6.75	1671	-17.4
25	Cubas Carballo, Juan Francisco	1754	MEX	−7B	=16N	−22B	−28N	+37B	+31N	2.5	14.0	14.5	3.75	1714	-3.4
26	Acevedo Morales, Leonardo	1638	MEX	−20N	+31N	−18B	=12B	+36N	−15B	2.5	14.0	14.5	3.75	1458	-30.4
27	Cruz Lopez, Ariana Itzel	1713	MEX	−11B	−13N	F	+33B	+34N	=7B	2.5	13.0	13.0	4.00	1835	+19.6
28	Hernandez Garcia, Jesus An	0	MEX	F	−23B	−14N	+25B	=29N	+32B	2.5	12.0	12.0	5.00	1675	0.0
29	Palomeque Brito, Juan Antonio	1668	MEX	=30B	+8N	−2B	−22N	=28B	−19N	2.0	17.0	19.0	6.25	1744	+12.8
30	Munoz Ricardo, Wasdin Antonio	1754	VEN	=29N	+14B	−15N	−8B	−12N	=35B	2.0	16.5	17.5	5.00	1605	-24.2
31	Rodriguez Pina, Luis Diego	0	MEX	−1N	−26B	+36N	=14B	−21N	−25B	1.5	16.0	16.5	2.25	1373	0.0
32	Castillo Garcia, Jose Alfredo	1684	MEX	F	−15B	−8N	=35B	+33N	−28N	1.5	12.0	12.0	1.50	1678	-2.8
33	De La Cruz De La Cruz, Alexander	1677	MEX	−2B	+35N	−13B	−27N	−32B	F	1.0	13.5	13.5	1.00	1590	-13.6
34	Tapia Yam, Edwin Gerardo	1615	MEX	−3N	F	−19B	+37N	−27B	−18N	1.0	13.5	13.5	0.50	1537	-14.8
35	Ocana Perez, Kenia Sofia	1747	MEX	−23N	−33B	−16B	=32N	F	=30N	1.0	10.5	10.5	1.75	1455	-74.8
36	Guillermo, Ruiz Andres	0	MEX	−9N	−18N	−31B	F	−26B	=37N	0.5	11.5	11.5	0.25	1411	0.0
37	Hidalgo Morales, Juan Antonio	1699	MEX	F	F	−10N	−34B	−25N	=36B	0.5	8.0	8.0	0.25	905	-29.4
38	Velazquez Betancour, Abel	1654	MEX	−10N	−19B	F	F	F	F	0.0	9.5	9.5	0.00	948	-16.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Andrade Gurria, Diony LuciaMEX
+83.6
3.0 pts · #15
2Rito Gonzalez, AlexanderMEX
+79.2
4.0 pts · #10
3Magana Arceo, PabloMEX
+48.0
4.5 pts · #9

Top rating losers

1Ocana Perez, Kenia SofiaMEX
-74.8
1.0 pts · #29
2Gomez Velazquez, Nestor JosMEX
-35.6
2.5 pts · #27
3Acevedo Morales, LeonardoMEX
-30.4
2.5 pts · #35

Biggest upsets

R3+226 Elo gap
Andrade Gurria, Diony Lucia1574 beat Beltran Herrera, Hedder Miguel1800
R5+171 Elo gap
Andrade Gurria, Diony Lucia1574 beat Galaviz Medina, Ades Antares1745
R3+152 Elo gap
Magana Arceo, Pablo1740 beat Velazquez Rios, Christian Jonathan1892