SEMIFINAL ARGENTINA SUB 2000 CATAMARCA

Open SwissStandard

61 players participated in this 6-round tournament, held from 01 May 2026 to 02 May 2026 in Catamarca - Catamarca, Argentina. 2 federations represented. Top 10 Elo average was 1916, and top seed was Gonzalo Lopez (🇦🇷 ARG, 1980).

Angel Soria (🇦🇷 ARG, 1745) won with 5.5/6, ahead of Gonzalo Lopez (5.5) and Ricardo Medina (5.0). Soria shared the lead from round 3, winning on tie-break.

The biggest upset came in round 4: Marcos Abel Arevalo (1675) beat Benjamin Nunez (1883), a +208-point gap.

Location

🇦🇷Catamarca - Catamarca, Argentina

Dates

01 May 2026 → 02 May 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇦🇷Gonzalo Lopez1980

Avg top 10

1,916

Participants

Federations · 2 represented

🇦🇷Argentina×51

🇧🇴Bolivia×1

Top 3

🥇
Angel Soria
🇦🇷ARG·1745
5.5pts·2279perf+62.2
🥈
Gonzalo Lopez
🇦🇷ARG·1980
5.5pts·2141perf+15.4
🥉
Ricardo Medina
🇦🇷ARG·1937
5.0pts·2052perf+15.6

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 5.5/6, decided on Buchholz.

Co-leaders

Lopez5.5Soria5.5Medina5Chazarreta5Perafan4.5Tolosa4.5

R6 · TIEBREAK CLUSTER

2 players finish on 5.5/6. Soria takes the title on Buchholz Cut1 (22.0).

WIN STREAKS · 2 top finishers

Gonzalo Lopez 4 wins (R3–R6)Angel Soria 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Gonzalo Lopez	*	—	—	—
2Angel Soria	—	*	½	—
3Ricardo Medina	—	½	*	1
4Oscar Chazarreta	—	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Soria, Angel	1745	ARG	+54B	+9N	+10N	+5B	+7N	=3B	5.5	22.0	23.0	20.50	2279	+62.2
2	Lopez, Gonzalo	1980	ARG	+30N	=13B	+27N	+6N	+15B	+9B	5.5	18.5	21.5	19.75	2141	+15.4
3	Medina, Ricardo	1937	ARG	+34B	+14N	=29B	+4N	+13B	=1N	5.0	20.5	23.5	19.25	2052	+15.6
4	Chazarreta, Oscar	1848	ARG	+49B	+53N	+11N	−3B	+27N	+10B	5.0	18.0	19.0	14.00	2041	+31.2
5	Perafan, Franco	1925	ARG	+38B	+32N	=6B	−1N	+18B	+13N	4.5	20.0	22.5	14.75	1958	+5.4
6	Tolosa, Lautaro Benjamin	1875	ARG	+43B	+23N	=5N	−2B	+28N	+14B	4.5	20.0	22.5	14.75	1928	+19.2
7	Rodriguez, Gustavo	1868	ARG	+48B	+33N	=17B	+8N	−1B	+15N	4.5	20.0	22.0	14.75	1889	+5.2
8	Palomo, Sebastian	1900	ARG	+31N	=15B	+28N	−7B	+21N	+11B	4.5	18.5	21.5	15.25	1902	+2.2
9	Santucho, Jorge Mario	1936	ARG	+37N	−1B	+18B	+24N	+19B	−2N	4.0	21.5	24.5	13.50	1908	-2.4
10	Robledo, Eduardo	1897	ARG	+41B	+12N	−1B	+34N	+16B	−4N	4.0	21.0	23.5	13.00	1774	-13.8
11	Calla, Gonzalo	1913	BOL	+56B	+21N	−4B	+30N	+12B	−8N	4.0	20.0	20.5	11.00	1866	-5.4
12	Cuellar, Gustavo Alberto	1737	ARG	+61N	−10B	+41N	+39B	−11N	+27B	4.0	16.0	16.0	8.00	1664	-5.8
13	Laguna, Jorge Alberto	1755	ARG	+60B	=2N	+26B	+17N	−3N	−5B	3.5	22.0	22.0	9.75	1896	+36.4
14	Jalil, Luis	1822	ARG	+42N	−3B	=38N	+31B	+17B	−6N	3.5	18.5	21.0	10.25	1781	-4.4
15	Arevalo, Marcos Abel	1675	ARG	+52B	=8N	+55B	+29N	−2N	−7B	3.5	18.5	19.0	6.75	1874	+25.0
16	Gonzalez, Exequiel	0	ARG	+22B	−29N	+23B	+20B	−10N	=19N	3.5	18.0	21.0	12.25	1817	0.0
17	Juarez, Facundo Andres	1914	ARG	+40N	+20B	=7N	−13B	−14N	+41B	3.5	17.5	20.0	10.75	1779	-17.8
18	Vergara, Ramon Antonio	1852	ARG	+47N	=28B	−9N	+38B	−5N	+40B	3.5	16.5	18.5	8.50	1776	-6.2
19	Yurko, Antonio Miguel	1870	ARG	+45N	−27B	+37N	+40B	−9N	=16B	3.5	16.0	18.0	9.25	1847	+0.4
20	Pedraza, Bautista	1728	ARG	+59B	−17N	+43B	−16N	+34B	=24N	3.5	16.0	16.0	7.25	1761	+6.8
21	Feldman, Mariano	1738	ARG	+58N	−11B	=31N	+25B	−8B	+54N	3.5	16.0	16.0	6.00	1521	-31.2
22	Rodriguez, Eduardo Rafael	1725	ARG	−16N	+44N	+33B	−27B	=40N	+39B	3.5	14.5	17.0	9.25	1601	-6.8
23	Guananjay, Ulises Lionel	1681	ARG	+51N	−6B	−16N	+52B	=39N	+42B	3.5	14.5	15.5	6.25	1075	-10.0
24	Menendez, Zoe Caroll Jazmin	1640	ARG	−28N	+45B	+52N	−9B	+58N	=20B	3.5	13.5	13.5	4.75	1709	+9.6
25	Nieva, Hugo	0	ARG	=35N	F	+44B	−21N	+50B	+38B	3.5	13.0	13.5	8.00	1708	0.0
26	Menendez, Joel	1723	ARG	F	+35B	−13N	=50B	+46N	+29B	3.5	13.0	13.0	8.75	1862	+18.6
27	Quiroga, Manuel Alejandro	0	ARG	+36B	+19N	−2B	+22N	−4B	−12N	3.0	21.5	24.5	10.00	1808	0.0
28	Videla, Alvaro	0	ARG	+24B	=18N	−8B	+55N	−6B	=36N	3.0	19.0	19.5	7.25	1782	0.0
29	Nunez, Benjamin	1883	ARG	+46N	+16B	=3N	−15B	=35B	−26N	3.0	18.5	20.5	9.50	1644	-30.2
30	Arganaraz, Silvio	1635	ARG	−2B	+48N	+53B	−11B	−32N	+45N	3.0	16.5	17.5	5.00	1640	-3.6
31	Celiz Gerez, Thiago Lorenzo	1569	ARG	−8B	+59N	=21B	−14N	=33B	+48N	3.0	16.5	16.5	5.25	1641	+10.0
32	De Serrano, Jorge Raul	1753	ARG	+39N	−5B	−40N	+45B	+30B	−35N	3.0	15.5	17.5	7.50	1597	-40.4
33	Rodriguez, Luis Damian	0	ARG	+50N	−7B	−22N	=41B	=31N	+46B	3.0	15.5	17.0	6.25	1654	0.0
34	Heredia, Mario	1620	ARG	−3N	+47B	+57N	−10B	−20N	+58B	3.0	15.0	15.0	2.50	1551	-16.4
35	Ovejero Herrera, Mateo Nahuel	1723	ARG	=25B	−26N	+61B	F	=29N	+32B	3.0	14.5	14.5	6.25	1786	+10.0
36	Gonzalez Bordon, Jose Bautista	1690	ARG	−27N	+46B	−39N	+47B	=42N	=28B	3.0	13.0	15.0	6.75	2268	+18.0
37	Menedez Grau, Manuel	1609	ARG	−9B	+49N	−19B	F	+57N	+52B	3.0	11.0	11.0	3.50	1103	-12.4
38	Manero, Gabriel Ignacio	1608	ARG	−5N	+42B	=14B	−18N	+43B	−25N	2.5	17.5	20.0	6.75	1685	+11.2
39	Ayu, Ismael	0	ARG	−32B	+56N	+36B	−12N	=23B	−22N	2.5	17.0	17.5	5.25	1639	0.0
40	Molina Tapia, Bautista	1601	ARG	−17B	+60N	+32B	−19N	=22B	−18N	2.5	17.0	17.0	4.75	1674	+14.8
41	Picon, Liam	1558	ARG	−10N	+58B	−12B	=33N	+51B	−17N	2.5	16.0	16.0	3.00	1049	-20.0
42	Aranda, Fabricio	0	ARG	−14B	−38N	+48B	+44N	=36B	−23N	2.5	15.0	17.0	6.00	1501	0.0
43	Mendieta, Alexis Santiago	1489	ARG	−6N	+50B	−20N	=57B	−38N	+47B	2.5	14.0	14.5	3.75	1590	+20.8
44	FIDE 185906	0	—	=55N	−22B	−25N	−42B	+60N	+57B	2.5	10.5	10.5	0.75	1538	0.0
45	Sarife, Ismael	1463	ARG	−19B	−24N	+59B	−32N	+49N	−30B	2.0	15.0	15.0	2.00	923	-31.2
46	Velez, Jorge Krum	1520	ARG	−29B	−36N	+60B	+53N	−26B	−33N	2.0	13.5	13.5	1.00	965	-24.8
47	Navarro Lopez, Teo	1415	ARG	−18B	−34N	+56B	−36N	+53B	−43N	2.0	13.0	13.5	1.50	1401	-6.4
48	Varela, Jose Miguel	1450	ARG	−7N	−30B	−42N	+60B	+59N	−31B	2.0	13.0	13.0	0.00	885	-27.2
49	Abregu, Gaston Emiliano	0	ARG	−4N	−37B	−50N	+56N	−45B	+59B	2.0	12.0	12.0	0.50	1399	0.0
50	Varela, Mauricio Alejandro	1683	ARG	−33B	−43N	+49B	=26N	−25N	F	1.5	14.5	15.0	3.75	1413	-27.6
51	FIDE 154628	0	—	−23B	F	+54N	F	−41N	=56B	1.5	10.5	10.5	1.25	1337	0.0
52	FIDE 20075545	0	—	−15N	F	−24B	−23N	+61B	−37N	1.0	13.5	13.5	0.00	851	0.0
53	FIDE 20054165	0	—	F	−4B	−30N	−46B	−47N	+61B	1.0	12.0	12.0	0.00	805	0.0
54	FIDE 20053860	0	—	−1N	F	−51B	+61N	F	−21B	1.0	11.0	11.0	0.00	942	0.0
55	Cayata, Aldo	1737	ARG	=44B	F	−15N	−28B	F	F	0.5	14.0	15.0	1.25	875	-23.6
56	Olmos Cuello, Santiago Augusto	1590	ARG	−11N	−39B	−47N	−49B	F	=51N	0.5	12.0	12.0	0.75	864	-34.4
57	Vega, Ruben Guillermo	0	ARG	F	F	−34B	=43N	−37B	−44N	0.5	11.0	11.0	1.25	1300	0.0
58	FIDE 20073003	0	—	−21B	−41N	F	F	−24B	−34N	0.0	15.5	15.5	0.00	839	0.0
59	FIDE 20043589	0	—	−20N	−31B	−45N	F	−48B	−49N	0.0	12.5	12.5	0.00	753	0.0
60	FIDE 20043546	0	—	−13N	−40B	−46N	−48N	−44B	F	0.0	12.5	12.5	0.00	782	0.0
61	FIDE 20074425	0	—	−12B	F	−35N	−54B	−52N	−53N	0.0	10.0	10.0	0.00	930	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Soria, AngelARG
+62.2
5.5 pts · #4
2Laguna, Jorge AlbertoARG
+36.4
3.5 pts · #19
3Chazarreta, OscarARG
+31.2
5.0 pts · #30

Top rating losers

1De Serrano, Jorge RaulARG
-40.4
3.0 pts · #25
2Olmos Cuello, Santiago AugustoARG
-34.4
0.5 pts · #58
3Sarife, IsmaelARG
-31.2
2.0 pts · #52

Biggest upsets

R4+208 Elo gap
Arevalo, Marcos Abel1675 beat Nunez, Benjamin1883
R2+194 Elo gap
Mendieta, Alexis Santiago1489 beat Varela, Mauricio Alejandro1683
R2+191 Elo gap
Soria, Angel1745 beat Santucho, Jorge Mario1936