Campeonato Provincial de la Romana 2026

Open SwissStandard

24 players participated in this 5-round tournament, held from 26 Feb 2026 to 01 Mar 2026 in La Romana, Dominican Republic. Top 10 Elo average was 1757, and top seed was Abraham Ernesto Caraballo Del Rosario (🇩🇴 DOM, 1949).

Abraham Ernesto Caraballo Del Rosario (🇩🇴 DOM, 1949) won with 4.5/5, ahead of Oliver Eduardo Mercedes Ramirez (4.0) and Jose Miguel Mejia Vasquez (4.0). Caraballo Del Rosario won solo starting round 4.

The biggest upset came in round 2: Rose Esmeralda Aguero Mercedes (1591) beat Federico Diaz Diaz (1813), a +222-point gap.

Location

🇩🇴La Romana, Dominican Republic

Dates

26 Feb 2026 → 01 Mar 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Top seed

🇩🇴Abraham Ernesto Caraballo Del Rosario1949

Avg top 10

1,757

Participants

Federations · 1 represented

🇩🇴Dominican Republic×19

Top 3

🥇
Abraham Ernesto Caraballo Del Rosario
🇩🇴DOM·1949
4.5pts·2064perf+8.8
🥈
Oliver Eduardo Mercedes Ramirez
🇩🇴DOM·1868
4.0pts·1908perf+6.8
🥉
Jose Miguel Mejia Vasquez
🇩🇴DOM·1767
4.0pts·1935perf+26.4

How it unfolded

Top 6 · 5 rounds

Abraham Ernesto Caraballo Del Rosario led from R4; +0.5-point edge over the runner-up.

Co-leaders

Caraballo Del Rosario4.5Mejia Vasquez4Mercedes Ramirez4Carrasco Santana3.5Mejia Sarmiento3.5Rodriguez Sosa3.5

R4–R5 · LEAD HELD

Abraham Ernesto Caraballo Del Rosario held the sole lead from R4 through R5 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Abraham Ernesto Caraballo Del Rosario drew with Jose Miguel Mejia Vasquez (White).

WIN STREAKS · 3 top finishers

Abraham Ernesto Caraballo Del Rosario 4 wins (R1–R4)Jose Miguel Mejia Vasquez 3 wins (R1–R3)Oliver Eduardo Mercedes Ramirez 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Abraham Ernesto Caraballo Del Rosario	*	½	1	—
2Jose Miguel Mejia Vasquez	½	*	—	½
3Oliver Eduardo Mercedes Ramirez	0	—	*	1
4Yorkenny Carrasco Santana	—	½	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Caraballo Del Rosario, Abraham Ernesto	1949	DOM	+21B	+16N	+14B	+2N	=3B	4.5	12.0	13.0	11.00	2064	+8.8
2	Mercedes Ramirez, Oliver Eduardo	1868	DOM	+12N	+11B	+4N	−1B	+9N	4.0	13.5	15.5	11.00	1908	+6.8
3	Mejia Vasquez, Jose Miguel	1767	DOM	+20N	+24B	+8N	=4B	=1N	4.0	12.0	12.0	8.00	1935	+26.4
4	Carrasco Santana, Yorkenny	1760	DOM	+5B	+6N	−2B	=3N	+11B	3.5	15.0	17.5	11.50	1849	+19.2
5	Mejia Sarmiento, Jorge Luis	0	DOM	−4N	+10B	=11N	+19B	+17N	3.5	11.0	12.0	7.25	1680	0.0
6	Ceballos Matos, Andres	1739	DOM	+23N	−4B	+19N	+15B	=7N	3.5	10.0	10.0	4.75	960	-19.2
7	Rodriguez Sosa, Miguel Angel	0	DOM	−13N	+23B	+20N	+8B	=6B	3.5	9.5	9.5	5.75	1759	0.0
8	Mendoza Camino, Oscar	1719	DOM	+9B	+19N	−3B	−7N	+14B	3.0	12.5	13.5	6.00	1680	-4.0
9	Ortiz,Javes	0	DOM	−8N	+20B	+12N	+13B	−2B	3.0	11.0	12.0	5.00	1676	0.0
10	Zacarias George, Gerlin Damian	0	DOM	−16B	−5N	+23N	+12B	+13N	3.0	9.5	9.5	4.00	1749	0.0
11	Rosario Ramirez, Orlybel	1632	DOM	+18B	−2N	=5B	+24N	−4N	2.5	13.0	13.0	3.75	1014	-22.0
12	FIDE 6438504	0	—	−2B	+18N	−9B	−10N	+19B	2.0	12.0	13.0	3.00	1068	0.0
13	Diaz Diaz, Federico	1813	DOM	+7B	−14N	+17B	−9N	−10B	2.0	11.5	13.5	5.50	1617	-10.2
14	Aguero Mercedes, Rose Esmeralda	1591	DOM	+15N	+13B	−1N	−17B	−8N	2.0	11.5	13.5	4.00	1588	-3.6
15	FIDE 6440029	0	—	−14B	+21N	F	−6N	+18B	2.0	9.5	10.5	3.00	868	0.0
16	Goicochea Ramirez, Demetrio Manu	1684	DOM	+10N	−1B	F	F	+24N	2.0	9.5	9.5	3.00	1149	-7.2
17	Gomez Jimenez, Angel Octavio	1642	DOM	F	+22B	−13N	+14N	−5B	2.0	8.5	8.5	3.00	1788	+23.2
18	FIDE 6436943	0	—	−11N	−12B	+22N	+21B	−15N	2.0	7.5	8.5	2.00	1610	0.0
19	Del Rosario, Cristian Luis	0	DOM	+22N	−8B	−6B	−5N	−12N	1.0	12.0	13.0	1.00	1556	0.0
20	Rosario Cruz, Julio Cesar	0	DOM	−3B	−9N	−7B	F	+22N	1.0	11.5	11.5	1.00	1674	0.0
21	FIDE 6438482	0	—	−1N	−15B	F	−18N	+23B	1.0	8.5	8.5	0.00	1149	0.0
22	Calderon, Francis	1581	DOM	−19B	−17N	−18B	+23N	−20B	1.0	6.0	6.0	0.00	841	-16.8
23	FIDE 6440100	0	—	−6B	−7N	−10B	−22B	−21N	0.0	11.0	12.0	0.00	862	0.0
24	Mejia Guerrero, Lindo Jose	0	DOM	F	−3N	F	−11B	−16B	0.0	8.5	8.5	0.00	897	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Mejia Vasquez, Jose MiguelDOM
+26.4
4.0 pts · #3
2Gomez Jimenez, Angel OctavioDOM
+23.2
2.0 pts · #5
3Carrasco Santana, YorkennyDOM
+19.2
3.5 pts · #2

Top rating losers

1Rosario Ramirez, OrlybelDOM
-22.0
2.5 pts · #19
2Ceballos Matos, AndresDOM
-19.2
3.5 pts · #20
3Calderon, FrancisDOM
-16.8
1.0 pts · #24

Biggest upsets

R2+222 Elo gap
Aguero Mercedes, Rose Esmeralda1591 beat Diaz Diaz, Federico1813