Torneo IRT Clasico Escuela de Ajedrez de Barranquilla 2025

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35 players participated in this 7-round tournament, held from 21 Jun 2025 to 23 Jun 2025 in Barranquilla - ATL, Colombia. 4 titled players from 2 federations. Top 10 Elo average was 1888, and top seed was Miguel Alfredo Carrillo Parra (🇨🇴 COL, FM, 2193).

Nelson David Acuna (🇨🇴 COL, 1932) won with 6.0/7, ahead of Miguel Alfredo Carrillo Parra (6.0) and Valentina Sofia Ruiz Jaraba (5.5). Acuna shared the lead from round 1, winning on tie-break.

The biggest upset came in round 3: Samuel Felipe Perez Peralbo (1444) beat Luis Carlos Ortiz Junco (1760), a +316-point gap.

Location

🇨🇴Barranquilla - ATL, Colombia

Dates

21 Jun 2025 → 23 Jun 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇨🇴FMMiguel Alfredo Carrillo Parra2193

Avg top 10

1,888

Participants

Titled players · 4

FM×1

CM×2

WFM×1

Federations · 2 represented

🇨🇴Colombia×29

🇻🇪Venezuela×1

Top 3

🥇
Nelson David Acuna
🇨🇴COL·1932
6.0pts·2248perf+35.2
🥈
FMMiguel Alfredo Carrillo Parra
🇨🇴COL·2193
6.0pts·2108perf-6.8
🥉
WFMValentina Sofia Ruiz Jaraba
🇨🇴COL·1892
5.5pts·2084perf+24.6

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 2 players tied at 6.0/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Carrillo Parra6Acuna6Ruiz Jaraba5.5Vargas Castro5Payares Diaz4Arnedo Doria4

R7 · TIEBREAK CLUSTER

2 players finish on 6.0/7. Acuna takes the title on Buchholz Cut1 (27.0).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

FM Miguel Alfredo Carrillo Parra lost to Nelson David Acuna (Black).

WIN STREAKS · 3 top finishers

FM Miguel Alfredo Carrillo Parra 4 wins (R4–R7)Nelson David Acuna 4 wins (R1–R4)WFM Valentina Sofia Ruiz Jaraba 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMMiguel Alfredo Carrillo Parra	*	0	1	—
2Nelson David Acuna	1	*	½	½
3WFMValentina Sofia Ruiz Jaraba	0	½	*	—
4Carlos Gustavo Vargas Castro	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Acuna, Nelson David	1932	COL	+30N	+12B	+2B	+14N	=3B	+8N	=4B	6.0	27.0	28.0	22.75	2248	+35.2
2	Carrillo Parra, Miguel AlfredoFM	2193	COL	+22N	+5B	−1N	+23B	+15N	+3N	+9B	6.0	25.0	27.5	21.50	2108	-6.8
3	Ruiz Jaraba, Valentina SofiaWFM	1892	COL	+25N	+34B	+6N	+7B	=1N	−2B	+15N	5.5	25.0	26.0	17.00	2084	+24.6
4	Vargas Castro, Carlos Gustavo	0	COL	+28B	=6B	=7N	+26N	+14B	=5B	=1N	5.0	23.0	24.5	15.50	1881	0.0
5	Gallardo, Osvaldo	1758	COL	+17B	−2N	+27B	=16N	+18B	=4N	−10B	4.0	24.0	26.0	12.00	1704	-13.2
6	Viasus Cuellar, Juan DiegoCM	1896	COL	+24B	=4N	−3B	+11N	=16B	−9N	+26B	4.0	23.5	25.5	12.00	1679	-40.4
7	Varela Sanchez, David Yoel	1848	COL	+33B	=11N	=4B	−3N	=13B	+30N	=14B	4.0	21.5	22.5	9.50	1638	-28.8
8	Payares Diaz, Alejandro	1844	COL	F	F	+11B	+10N	+9B	−1B	+21N	4.0	20.5	20.5	14.50	1876	+8.8
9	Anillo Trespalacios, Daniel David	1664	COL	−34N	+25B	+32N	+31B	−8N	+6B	−2N	4.0	18.0	19.0	8.00	1810	+18.0
10	Arnedo Doria, Alejandro	1568	COL	F	F	+28N	−8B	+31N	+20B	+5N	4.0	13.5	13.5	9.50	1898	+51.2
11	Perez Garcia, Marcos de Jesus	0	COL	+29N	=7B	−8N	−6B	−24N	+22B	+28N	3.5	18.5	20.0	7.50	1435	0.0
12	Estrada Herrera, Jeronimo	1533	COL	+19B	−1N	−15B	−17N	+29N	=28B	+32N	3.5	18.0	19.0	6.25	1068	-10.0
13	Perez Peralbo, Samuel Felipe	1444	COL	F	F	+18B	−15N	=7N	+24B	+23N	3.5	15.0	15.0	10.00	1834	+94.0
14	Villafane Gomez, JaimeCM	1951	COL	+16B	+18N	F	−1B	−4N	=23B	=7N	3.0	23.5	24.5	9.25	1778	-16.6
15	Pena De Lima, Carlos Andres	1807	COL	F	F	+12N	+13B	−2B	+16N	−3B	3.0	21.5	21.5	10.00	1764	-4.0
16	Acosta De la Asuncion, Matteo	0	COL	−14N	+35B	+20N	=5B	=6N	−15B	−18N	3.0	20.0	20.5	7.50	1690	0.0
17	Calderon Maestre, Juan Pablo	0	COL	−5N	+22B	−23N	+12B	−21N	+32B	−24N	3.0	18.0	19.0	7.00	1334	0.0
18	Ortiz Junco, Luis Carlos	1760	COL	+35N	−14B	−13N	+32B	−5N	F	+16B	3.0	15.5	16.0	4.50	918	-64.8
19	Florez Coronado, Luciana	0	COL	−12N	−30B	+33N	+22B	−23N	+29B	−20N	3.0	14.0	15.0	5.00	806	0.0
20	Torres Clavijo, Jose Manuel	1717	COL	F	F	−16B	+25N	+30B	−10N	+19B	3.0	13.0	13.0	6.00	768	-28.0
21	Rodriguez Salazar, Daniel Alejandro	1570	VEN	F	F	F	+35N	+17B	+26N	−8B	3.0	9.5	9.5	5.50	1755	+9.2
22	FIDE 144435002	0	—	−2B	−17N	+24B	−19N	=25B	−11N	+29B	2.5	20.0	21.5	5.00	1817	0.0
23	Cruz Zapata, Gabriel	1572	COL	F	F	+17B	−2N	+19B	=14N	−13B	2.5	18.5	18.5	7.50	1516	-13.6
24	Ortiz Salcedo, Nayade	0	COL	−6N	=29B	−22N	F	+11B	−13N	+17B	2.5	18.0	18.0	7.25	842	-22.8
25	FIDE 144437447	0	—	−3B	−9N	+29N	−20B	=22N	−27B	=35B	2.0	18.5	19.0	3.00	957	0.0
26	Parrales, Jose David	1665	COL	F	F	+30N	−4B	+28N	−21B	−6N	2.0	14.5	14.5	2.50	933	-33.6
27	De La Asuncion Ortiz, Hansel De Jesus	0	COL	−31N	+33B	−5N	−28B	F	+25N	F	2.0	10.5	10.5	3.00	958	0.0
28	Orozco Mercado, Angel Andres	0	COL	−4N	F	−10B	+27N	−26B	=12N	−11B	1.5	20.0	20.0	3.75	1314	0.0
29	Osorio Laino, Luis Angelo	0	COL	−11B	=24N	−25B	+33N	−12B	−19N	−22N	1.5	17.0	18.0	2.25	1292	0.0
30	FIDE 144433409	0	—	−1B	+19N	−26B	F	−20N	−7B	F	1.0	20.0	21.0	3.00	990	0.0
31	Madrid Yepez, David Alberto	0	COL	+27B	F	F	−9N	−10B	F	F	1.0	16.0	16.0	2.00	816	0.0
32	Soto Escorcia, Lauren Maria	0	COL	F	F	−9B	−18N	+35B	−17N	−12B	1.0	14.0	14.0	0.50	851	0.0
33	FIDE 4489683	0	—	−7N	−27N	−19B	−29B	F	+35N	F	1.0	11.0	11.0	0.50	1048	0.0
34	Ferrer Navarro, Ricardo	0	COL	+9B	−3N	F	F	F	F	F	1.0	10.5	10.5	4.00	1778	0.0
35	FIDE 144463340	0	—	−18B	−16N	F	−21B	−32N	−33B	=25N	0.5	13.0	13.0	1.00	865	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Perez Peralbo, Samuel FelipeCOL
+94.0
3.5 pts · #4
2Arnedo Doria, AlejandroCOL
+51.2
4.0 pts · #9
3Acuna, Nelson DavidCOL
+35.2
6.0 pts · #2

Top rating losers

1Ortiz Junco, Luis CarlosCOL
-64.8
3.0 pts · #29
2Viasus Cuellar, Juan DiegoCMCOL
-40.4
4.0 pts · #11
3Parrales, Jose DavidCOL
-33.6
2.0 pts · #30

Biggest upsets

R3+316 Elo gap
Perez Peralbo, Samuel Felipe1444 beat Ortiz Junco, Luis Carlos1760
R3+261 Elo gap
Acuna, Nelson David1932 beat FMCarrillo Parra, Miguel Alfredo2193
R6+232 Elo gap
Anillo Trespalacios, Daniel David1664 beat CMViasus Cuellar, Juan Diego1896