XV Abierto Internacional de Ajedrez 104 Aniversario de Rio Grande" - IRT

SwissStandard

53 players participated in this 7-round tournament, held from 09 Jul 2025 to 13 Jul 2025 in Rio Grande- Tierra del Fuego, Argentina. 10 titled players from 3 federations. Top 10 Elo average was 2313, and top seed was Diego Flores (🇦🇷 ARG, GM, 2541).

Diego Flores (🇦🇷 ARG, GM, 2541) won with 6.5/7, ahead of Pablo Salinas Herrera (5.5) and Franco Villegas (5.5). Flores won solo starting round 4.

The biggest upset came in round 5: Franco Fleita (1554) beat Francisco Villamayor (1889), a +335-point gap.

Location

🇦🇷Rio Grande- Tierra del Fuego, Argentina

Dates

09 Jul 2025 → 13 Jul 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇦🇷GMDiego Flores2541

Avg top 10

2,313

Participants

Titled players · 10

GM×4

IM×2

FM×1

CM×2

WFM×1

Federations · 3 represented

🇦🇷Argentina×39

🇨🇱Chile×9

🇲🇽Mexico×1

Top 3

🥇
GMDiego Flores
🇦🇷ARG·2541
6.5pts·2713perf+10.0
🥈
GMPablo Salinas Herrera
🇨🇱CHI·2435
5.5pts·2453perf+3.6
🥉
IMFranco Villegas
🇦🇷ARG·2343
5.5pts·2302perf-1.0

How it unfolded

Top 6 · 7 rounds

GM Diego Flores led from R4; +1.0-point edge over the runner-up.

Co-leaders

Flores6.5Salinas Herrera5.5Villegas5.5Hurtado Bahamonde5Hoffman5Acosta5

R4–R7 · LEAD HELD

GM Diego Flores never relinquished the lead after R4; final gap +1.0 over the runner-up.

WIN STREAKS · 3 top finishers

GM Diego Flores 6 wins (R1–R6)GM Pablo Salinas Herrera 3 wins (R1–R3)IM Franco Villegas 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMDiego Flores	*	—	½	—
2GMPablo Salinas Herrera	—	*	—	—
3IMFranco Villegas	½	—	*	—
4Rodrigo Hurtado Bahamonde	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Flores, DiegoGM	2541	ARG	+17N	+15B	+14N	+6B	+5N	+4B	=3N	6.5	28.5	32.5	29.75	2713	+10.0
2	Salinas Herrera, PabloGM	2435	CHI	+31N	+30B	+13N	=5B	=4N	=6B	+14N	5.5	26.0	29.0	21.50	2453	+3.6
3	Villegas, FrancoIM	2343	ARG	+40N	=10B	=29N	+23B	+12N	+13B	=1B	5.5	26.0	28.5	21.50	2302	-1.0
4	Hernandez Guerrero, GilbertoGM	2429	MEX	+42B	=8N	+9B	+7N	=2B	−1N	+29B	5.0	29.5	32.0	20.25	2334	-3.7
5	Acosta, Pablo IsmaelIM	2475	ARG	+24B	+18N	+16B	=2N	−1B	+30N	=7B	5.0	28.5	31.5	19.75	2371	-4.9
6	Hoffman, AlejandroGM	2339	ARG	+22B	+27N	+21B	−1N	=11B	=2N	+38B	5.0	27.5	30.5	19.00	2306	+0.8
7	Hurtado Bahamonde, Rodrigo	2126	CHI	+32B	=20N	+38N	−4B	+26N	+9B	=5N	5.0	25.0	28.0	18.50	2169	+10.8
8	Diaz, Walter	2045	ARG	+51N	=4B	=19N	−14B	+44N	+17B	+13N	5.0	23.0	24.0	15.50	2078	+6.6
9	Alderete, Tomas	1817	ARG	+52N	+12B	−4N	=15B	+10N	−7N	+27B	4.5	26.0	26.5	14.50	2133	+46.4
10	Navarro, Oscar	2040	ARG	+36B	=3N	+20B	−16N	−9B	+24B	+25N	4.5	25.0	28.0	16.75	2030	-0.6
11	Guerra Mansilla, Jorge MaximilianCM	2126	CHI	+28N	−13B	+40N	+25B	=6N	=18B	=12N	4.5	24.0	26.5	15.75	2068	-10.0
12	Campeon, Matias	2095	ARG	+41B	−9N	+42B	+27N	−3B	+28N	=11B	4.5	23.0	25.5	13.25	1996	-10.0
13	Igarzabal, Lucas	1884	ARG	+49B	+11N	−2B	+21N	+16B	−3N	−8B	4.0	28.5	29.5	13.50	2167	+39.2
14	Frey Perez, HugoFM	2169	CHI	+44N	+23B	−1B	+8N	=18B	=29N	−2B	4.0	27.5	29.5	14.00	2168	+0.4
15	Rocabado, Fernando	2086	ARG	+35B	−1N	+22B	=9N	−29B	+26N	=20B	4.0	25.5	28.5	14.75	1946	-21.2
16	Hernandez Amura, GilbertoCM	2146	ARG	F	+25B	−5N	+10B	−13N	+19B	+18N	4.0	25.0	28.0	16.00	2158	+3.2
17	Fernandez, Leandro Daniel	1781	ARG	−1B	+35N	+41B	−30N	+21B	−8N	+37B	4.0	24.5	27.0	12.50	1914	+12.8
18	Torres, Federico	2093	ARG	+43N	−5B	+44N	+19B	=14N	=11N	−16B	4.0	24.0	26.0	12.75	2070	-2.6
19	Nandwani Narwani, Suraj Sriram	1806	CHI	+46B	=24N	=8B	−18N	+22B	−16N	+28B	4.0	23.5	25.5	13.25	1862	+14.0
20	Yanacon Barrios, Leonel Antonio	1865	ARG	+45N	=7B	−10N	+31B	=23N	=25B	=15N	4.0	23.5	25.5	13.00	1958	+28.8
21	Donda, JazminWFM	2115	ARG	+33N	+26B	−6N	−13B	−17N	+41B	+34N	4.0	22.5	25.0	12.00	1907	-59.2
22	Freiberg, Camilo	1568	ARG	−6N	+39B	−15N	+35B	−19N	+45B	+33N	4.0	22.0	24.0	11.00	1627	+3.6
23	Montes, Francisco	1969	ARG	+37B	−14N	+34B	−3N	=20B	+40N	−30B	3.5	22.5	25.0	10.50	1877	-13.2
24	Adorno, Anibal	1769	ARG	−5N	=19B	+48B	+32N	−30B	−10N	+40B	3.5	22.0	23.5	9.00	1814	+2.6
25	Foschiatti, Tomas	1897	ARG	+50B	−16N	+28B	−11N	+46B	=20N	−10B	3.5	22.0	23.0	8.00	1796	-12.8
26	Maldonado Gomez, Rodolfo	1846	CHI	+47B	−21N	=32B	+43N	−7B	−15B	+41N	3.5	21.0	22.5	8.00	1728	-15.2
27	Villamayor, Francisco	1889	ARG	+48N	−6B	+33N	−12B	−34N	+36B	−9N	3.0	23.0	24.5	7.50	1618	-33.8
28	Alvarez Garces, Martin Alfonso	1550	CHI	−11B	+49N	−25N	+39B	+31N	−12B	−19N	3.0	22.5	23.5	7.00	1607	+6.4
29	Sandoval, Sebastian	1976	ARG	+39N	F	=3B	F	+15N	=14B	−4N	3.0	21.5	21.5	11.75	2244	+24.4
30	Ortiz, Francisco	2077	ARG	F	−2N	F	+17B	+24N	−5B	+23N	3.0	21.5	21.5	11.00	2158	+9.2
31	Orellana, Benjamin	1632	ARG	−2B	+36N	=43B	−20N	−28B	+47N	=32B	3.0	21.0	22.5	7.25	1427	-40.4
32	Revollo, Jhonatan	1549	ARG	−7N	+45B	=26N	−24B	−41N	+35B	=31N	3.0	20.5	22.5	8.25	1501	-16.0
33	Alvarado Noceti, Fernanda Paz	1535	CHI	−21B	+47N	−27B	+42N	−38B	+46N	−22B	3.0	18.5	20.0	6.00	1540	-6.0
34	Fleita, Franco	1554	ARG	F	+53B	−23N	+49N	+27B	−38N	−21B	3.0	18.5	18.5	4.00	1736	+12.4
35	Carvajal, Quimey	0	ARG	−15N	−17B	+50N	−22N	+49B	−32N	+46B	3.0	18.0	19.0	4.00	946	0.0
36	Gallardo, Guillermo Carlos	0	ARG	−10N	−31B	+45N	−44B	+50B	−27N	+48N	3.0	16.0	17.0	4.50	982	0.0
37	Leiva, Sabrina	0	ARG	−23N	−40B	=52N	+48B	=42N	+44B	−17N	3.0	16.0	16.5	5.00	1549	0.0
38	Saldivia, Eduardo	1917	ARG	+53N	F	−7B	F	+33N	+34B	−6N	3.0	16.0	16.0	6.00	1883	-4.8
39	FIDE 20052839	0	—	−29B	−22N	+47B	−28N	−45B	+49N	+50N	3.0	14.5	15.5	3.50	898	0.0
40	Gallardo, Fernando Andres	1580	ARG	−3B	+37N	−11B	=41N	+43B	−23B	−24N	2.5	22.5	25.0	6.75	1475	-24.0
41	Palavecino, Ramiro Facundo	1509	ARG	−12N	+52B	−17N	=40B	+32B	−21N	−26B	2.5	21.5	22.0	4.75	1570	+8.4
42	Quezada Guaique, Angelo Hazael	1592	CHI	−4N	+51B	−12N	−33B	=37B	+43N	F	2.5	20.0	21.0	5.00	1040	-29.6
43	Batalla, Danilo	0	ARG	−18B	+46N	=31N	−26B	−40N	−42B	+53B	2.5	17.5	17.5	3.50	1383	0.0
44	Colautti, Francisco	1566	ARG	−14B	+50N	−18B	+36N	−8B	−37N	F	2.0	21.5	22.5	4.00	1166	-9.6
45	Ramos, Iris	0	ARG	−20B	−32N	−36B	F	+39N	−22N	+47B	2.0	18.5	18.5	4.50	861	0.0
46	Ruiz, Miranda	0	ARG	−19N	−43B	+53N	+52B	−25N	−33B	−35N	2.0	16.5	16.5	0.50	947	0.0
47	Rivas, Gabriel Mateo	0	ARG	−26N	−33B	−39N	+53B	=48N	−31B	−45N	1.5	16.0	16.0	0.75	871	0.0
48	Mandirola, Antonella	0	ARG	−27B	F	−24N	−37N	=47B	+51N	−36B	1.5	15.0	15.0	1.75	1029	0.0
49	Olavarria, Lorenzo	0	ARG	−13N	−28B	+51N	−34B	−35N	−39B	F	1.0	17.0	17.5	1.00	863	0.0
50	Lopez, Aaron	0	ARG	−25N	−44B	−35B	F	−36N	+52N	−39B	1.0	15.5	16.0	0.50	932	0.0
51	FIDE 20065051	0	—	−8B	−42N	−49B	F	+53N	−48B	F	1.0	11.0	11.0	0.00	1019	0.0
52	FIDE 20039638	0	—	−9B	−41N	=37B	−46N	F	−50B	F	0.5	14.0	14.0	1.50	863	0.0
53	FIDE 20065914	0	—	−38B	−34N	−46B	−47N	−51B	F	−43N	0.0	13.0	13.0	0.00	936	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Alderete, TomasARG
+46.4
4.5 pts · #15
2Igarzabal, LucasARG
+39.2
4.0 pts · #20
3Yanacon Barrios, Leonel AntonioARG
+28.8
4.0 pts · #17

Top rating losers

1Donda, JazminWFMARG
-59.2
4.0 pts · #13
2Orellana, BenjaminARG
-40.4
3.0 pts · #38
3Villamayor, FranciscoARG
-33.8
3.0 pts · #35

Biggest upsets

R5+335 Elo gap
Fleita, Franco1554 beat Villamayor, Francisco1889
R5+334 Elo gap
Fernandez, Leandro Daniel1781 beat WFMDonda, Jazmin2115
R2+278 Elo gap
Alderete, Tomas1817 beat Campeon, Matias2095