IRT SUB 2400 Ajedrez UNRC

Open SwissStandard

53 players participated in this 6-round tournament, held from 01 May 2026 to 03 May 2026 in Rio Cuarto - Cordoba, Argentina. 6 titled players. Top 10 Elo average was 2111, and top seed was Octavio Aaron Bazan Romero (🇦🇷 ARG, FM, 2301).

Franco Emanuel Acosta (🇦🇷 ARG, 2166) won with 5.5/6, ahead of Martin Herrera (5.0) and Leandro Tobares (5.0). Acosta won solo starting round 5.

The biggest upset came in round 2: Fernando Dotti (1844) beat Octavio Aaron Bazan Romero (FM, 2301), a +457-point gap.

Location

🇦🇷Rio Cuarto - Cordoba, Argentina

Dates

01 May 2026 → 03 May 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇦🇷FMOctavio Aaron Bazan Romero2301

Avg top 10

2,111

Participants

Titled players · 6

FM×4

CM×1

WFM×1

Federations · 1 represented

🇦🇷Argentina×52

Top 3

🥇
Franco Emanuel Acosta
🇦🇷ARG·2166
5.5pts·2378perf+24.2
🥈
FMMartin Herrera
🇦🇷ARG·2190
5.0pts·2311perf+19.8
🥉
FMLeandro Tobares
🇦🇷ARG·2126
5.0pts·2217perf+15.4

How it unfolded

Top 6 · 6 rounds

Franco Emanuel Acosta led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders

Acosta5.5Tobares5Herrera5Bazan Romero4.5Giordanino4.5Estanguet4.5

R5–R6 · LEAD HELD

Franco Emanuel Acosta held the sole lead from R5 through R6 without losing it.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Franco Emanuel Acosta drew with FM Leandro Tobares (Black).

WIN STREAKS · 3 top finishers

Franco Emanuel Acosta 5 wins (R1–R5)FM Leandro Tobares 3 wins (R1–R3)FM Martin Herrera 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Franco Emanuel Acosta	*	½	—	—
2FMLeandro Tobares	½	*	½	—
3FMMartin Herrera	—	½	*	½
4FMOctavio Aaron Bazan Romero	—	—	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Acosta, Franco Emanuel	2166	ARG	+32B	+23N	+19B	+7N	+4B	=3N	5.5	20.0	22.5	20.00	2378	+24.2
2	Herrera, MartinFM	2190	ARG	+20B	+25N	+5B	=3N	+7B	=6N	5.0	21.5	24.5	19.75	2311	+19.8
3	Tobares, LeandroFM	2126	ARG	+22N	+15B	+8N	=2B	+24N	=1B	5.0	21.5	24.5	19.25	2217	+15.4
4	Estanguet, Franco	2070	ARG	+52B	+30N	+9B	+11B	−1N	=12N	4.5	20.0	21.0	13.50	2096	+7.4
5	Giordanino, Leonardo	2002	ARG	+21B	+46N	−2N	=15B	+18N	+19B	4.5	19.0	20.0	13.25	2022	+6.0
6	Bazan Romero, Octavio AaronFM	2301	ARG	+27N	−8B	+44N	+18B	+23N	=2B	4.5	18.5	20.0	13.50	2142	-15.0
7	Mussanti, DiegoFM	2184	ARG	+26N	+14B	+24N	−1B	−2N	+25B	4.0	20.0	23.0	12.50	2081	-10.6
8	Dotti, Fernando	1844	ARG	+45N	+6N	−3B	+26B	=19N	=17N	4.0	19.5	21.0	12.50	2031	+28.2
9	Paz, Maximiliano	1754	ARG	+53B	+12N	−4N	+13B	=28N	=10B	4.0	19.5	20.0	12.00	2029	+70.4
10	Medero Mino, LeonCM	2022	ARG	=16B	−11N	+31B	+20N	+29B	=9N	4.0	18.0	20.5	12.75	1880	-32.0
11	Tobares Dilascio, Oriana HelenaWFM	2042	ARG	=35N	+10B	+33B	−4N	=14N	+32B	4.0	17.0	19.5	12.00	1948	-18.4
12	Hutt, Alejandro Gabriel	2006	ARG	+40N	−9B	+43N	=28B	+15N	=4B	4.0	17.0	18.5	10.75	1912	-10.4
13	Besso, Javier Alejandro	1869	ARG	−34B	+16N	+21B	−9N	+38B	+23N	4.0	16.5	18.5	12.00	1760	-13.6
14	Vecchio, Raul Antonio	1837	ARG	+31B	−7N	=17B	+16N	=11B	=21N	3.5	18.5	21.0	11.50	1867	+6.0
15	Perassi Lascos, Marcos Roman	1807	ARG	+41B	−3N	+34B	=5N	−12B	+44N	3.5	17.5	19.0	7.75	1859	+19.6
16	Torres, Lautaro Emanuel	1597	ARG	=10N	−13B	+27N	−14B	+36B	+30N	3.5	17.0	19.5	10.00	1837	+57.2
17	Rodriguez, Franco	1935	ARG	+39N	=18B	=14N	−23B	+26N	=8B	3.5	17.0	19.0	10.50	1801	-36.4
18	Lopez, Hector	1725	ARG	+51B	=17N	+29B	−6N	−5B	+42N	3.5	17.0	18.0	7.25	1876	+12.2
19	Barrotto, Jose Ignacio	1913	ARG	+37N	+49B	−1N	+46B	=8B	−5N	3.5	17.0	18.0	6.00	1857	-6.2
20	Ceballos, Gonzalo	1701	ARG	−2N	+37B	+49N	−10B	=42B	+31N	3.5	15.0	16.0	6.25	1794	+13.2
21	Posse, Juan Jose	1583	ARG	−5N	+50B	−13N	+37B	+46N	=14B	3.5	15.0	16.0	5.75	1793	+61.6
22	Vera Melian, Lucas Mateo	1633	ARG	−3B	+47N	=25B	=33N	=30B	+46N	3.5	14.0	15.0	6.00	1817	+44.4
23	Ambroa, Francisco Jose	1800	ARG	+50N	−1B	+39N	+17N	−6B	−13B	3.0	19.5	20.5	6.50	1864	+8.2
24	Di Cola, Valentino Jose	1933	ARG	+38B	+34N	−7B	+30N	−3B	−28N	3.0	17.0	19.0	7.00	1832	-25.2
25	Palacio Konic, Bautista	1827	ARG	+48N	−2B	=22N	=32B	+39N	−7N	3.0	17.0	18.0	6.00	1784	-16.0
26	Cagnolatti, Valentino	1696	ARG	−7B	+41N	+42B	−8N	−17B	+38N	3.0	15.0	16.5	5.00	1707	-2.4
27	Cabrera, Juan Cruz	1701	ARG	−6B	=31N	−16B	=41N	+47N	+39B	3.0	14.0	15.0	5.00	1577	-37.6
28	Marconi, Nicolas	1819	ARG	F	F	+40N	=12N	=9B	+24B	3.0	13.0	13.0	9.00	2015	+20.6
29	Balladares, Rodolfo Ernesto	1791	ARG	+47B	F	−18N	+35B	−10N	+43B	3.0	12.5	12.5	5.00	1755	-8.4
30	San Martin, Daniel	1780	ARG	+36N	−4B	+48N	−24B	=22N	−16B	2.5	17.0	18.0	5.25	1593	-25.2
31	Vesco, Armando	1516	ARG	−14N	=27B	−10N	+53B	+35N	−20B	2.5	16.5	17.0	4.50	1603	+15.6
32	Fernandez, Andres	1660	ARG	−1N	+45B	F	=25N	+33B	−11N	2.5	16.5	16.5	5.50	1831	+37.2
33	Escobar, Matias	1707	ARG	F	+35B	−11N	=22B	−32N	+40B	2.5	14.5	14.5	6.25	1707	-1.6
34	Soria, Felipe	1529	ARG	+13N	−24B	−15N	=44B	−43N	+37B	2.5	14.0	15.5	6.75	1690	+41.2
35	Tenaglia, Claudio	1603	ARG	=11B	−33N	+52B	−29N	−31B	+41N	2.5	13.5	14.5	4.50	1626	+0.8
36	Demichele Kobalc, Luca	0	ARG	−30B	+38N	F	=43B	−16N	+48B	2.5	10.5	11.5	3.75	1614	0.0
37	Hernando, Bautista	1535	ARG	−19B	−20N	+47B	−21N	+49B	−34N	2.0	14.0	15.0	2.00	882	-52.4
38	Benitez, Geronimo	1548	ARG	−24N	−36B	+50N	+48B	−13N	−26B	2.0	13.5	14.5	2.00	1614	+10.0
39	Chavero, Jorge Horacio	1559	ARG	−17B	+51N	−23B	+49N	−25B	−27N	2.0	13.5	14.5	2.00	1016	-30.8
40	Almada, Agustin	1596	ARG	−12B	+53N	−28B	−42N	+51B	−33N	2.0	12.0	12.5	1.50	1041	-26.0
41	Peche, Juan Ignacio	1474	ARG	−15N	−26B	−51N	=27B	+48N	−35B	1.5	13.0	14.0	2.50	1508	+4.8
42	Soria, Christian	0	ARG	−46B	F	−26N	+40B	=20N	−18B	1.5	13.0	13.0	3.75	1542	0.0
43	Santos, Diego Maximiliano	1668	ARG	F	F	−12B	=36N	+34B	−29N	1.5	12.0	12.0	3.75	1650	-2.8
44	Bonacci, Luciano	1675	ARG	F	F	−6B	=34N	+45B	−15B	1.5	12.0	12.0	2.75	1646	-12.4
45	Pezzano, Demetrio	1519	ARG	−8B	−32N	F	+51B	−44N	=50B	1.5	10.0	10.0	1.50	1336	-32.8
46	Santos, Martin Ezequiel	1739	ARG	+42N	−5B	F	−19N	−21B	−22B	1.0	17.5	19.0	1.50	983	-72.0
47	FIDE 20077440	0	—	−29N	−22B	−37N	F	−27B	+51N	1.0	12.5	12.5	1.00	865	0.0
48	Rotelli, Laureano	1477	ARG	−25B	+52N	−30B	−38N	−41B	−36N	1.0	11.5	12.5	1.00	1407	-18.8
49	Vera Uyoa, Hector	0	ARG	F	−19N	−20B	−39B	−37N	+53B	1.0	11.5	11.5	0.50	877	0.0
50	Medero, Hildo Rodrigo	1454	ARG	−23B	−21N	−38B	=52N	F	=45N	1.0	11.0	11.0	1.25	1371	-10.4
51	Venezia, Victorio	0	ARG	−18N	−39B	+41B	−45N	−40N	−47B	1.0	10.5	11.5	1.50	1335	0.0
52	Pereyra, Emanuel	1607	ARG	−4N	−48B	−35N	=50B	=53N	F	1.0	9.5	9.5	0.75	1313	-58.8
53	Fernandez Molina, Leon	0	ARG	−9N	−40B	F	−31N	=52B	−49N	0.5	10.5	10.5	0.50	1296	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Paz, MaximilianoARG
+70.4
4.0 pts · #21
2Posse, Juan JoseARG
+61.6
3.5 pts · #15
3Torres, Lautaro EmanuelARG
+57.2
3.5 pts · #24

Top rating losers

1Santos, Martin EzequielARG
-72.0
1.0 pts · #51
2Pereyra, EmanuelARG
-58.8
1.0 pts · #47
3Hernando, BautistaARG
-52.4
2.0 pts · #52

Biggest upsets

R2+457 Elo gap
Dotti, Fernando1844 beat FMBazan Romero, Octavio Aaron2301
R1+340 Elo gap
Soria, Felipe1529 beat Besso, Javier Alejandro1869
R2+252 Elo gap
Paz, Maximiliano1754 beat Hutt, Alejandro Gabriel2006