CChessStats

II Torneo Internacional de Ajedrez Jose Celso Barbosa Grupo B (U2000)

Open SwissStandard

13 players participated in this 7-round tournament, held from 20 Jul 2025 to 27 Jul 2025 in Bayamon, Puerto Rico. 3 federations represented. Top 10 Elo average was 1660, and top seed was Julio Acevedo Vargas (🇩🇴 DOM, 1869).

Adryel Robles Ojeda (🇵🇷 PUR, 1738) won with 5.0/7, ahead of Malcolm J. Perez Quinones (5.0) and Jandiel J. Baez Reyes (4.5). Robles Ojeda shared the lead from round 1, winning on tie-break.

The biggest upset came in round 4: Jandiel J. Baez Reyes (1526) beat Julio Acevedo Vargas (1869), a +343-point gap.

Location
🇵🇷Bayamon, Puerto Rico
Dates
20 Jul 2025 → 27 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇩🇴Julio Acevedo Vargas1869
Avg top 10
1,660
Participants
13
Federations · 3 represented
🇵🇷Puerto Rico×9
🇩🇴Dominican Republic×2
🇺🇸United States of America×2
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 2 players tied at 5.0/7, decided on Buchholz.

Co-leaders
4
2
2
1
1
1
2
23.55.57R1R2R3R4R5R6R7
Perez Quinones5Robles Ojeda5Baez Reyes4.5Acevedo Vargas4.5Rodriguez Cortes4De Los Santos Guerrero4
R7 · TIEBREAK CLUSTER

2 players finish on 5.0/7. Robles Ojeda takes the title on Buchholz Cut1 (23.0).

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Malcolm J. Perez Quinones beat Adryel Robles Ojeda (Black).

WIN STREAKS · 2 top finishers

Malcolm J. Perez Quinones 4 wins (R4–R7)Jandiel J. Baez Reyes 4 wins (R2–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Malcolm J. Perez Quinones*
1
1
—
2Adryel Robles Ojeda
0
*
1
½
3Jandiel J. Baez Reyes
0
0
*
1
4Julio Acevedo Vargas—
½
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Robles Ojeda, Adryel1738PUR+3B+13N=6B+12N+5B=4N−2B5.023.024.014.751793+20.0
2Perez Quinones, Malcolm J.1641PUR+12B−5N−13B+9N+8N+3B+1N5.019.520.515.501901+74.8
3Baez Reyes, Jandiel J.1526PUR−1N+11B+7N+4B+6B−2N=5B4.526.027.515.501773+74.8
4Acevedo Vargas, Julio1869DOM+10B−6N+5B−3N+7B=1B+9N4.523.025.014.001726-19.2
5De Los Santos Guerrero, Hector Julio1856DOM=8N+2B−4N+13B−1N+10B=3N4.024.025.011.751654-58.8
6Rodriguez Cortes, Luis A.1684PUR+11N+4B=1N=8B−3N+12B−7N4.022.023.011.001733+16.8
7Fajardo, Dereck0USA=9B=10N−3B+11N−4N=8B+6B3.520.021.59.0016240.0
8Pacheco Rosario, Juan C.1571PUR=5B=9N+10B=6N−2B=7N−11B3.020.522.08.751592+2.4
9Tavhare, Siddhant1635PUR=7N=8B−12N−2BF+11N−4B2.018.518.54.751456-48.8
10Lajara Rodriguez, Jeffry1574PUR−4N=7B−8NF=11B−5N+12B2.017.517.53.501499-24.0
11Gonzalez Segarra, Abel1503PUR−6B−3NF−7B=10N−9B+8N1.519.019.04.001450-14.4
12Bierd Santana, Steven1433PUR−2NF+9B−1BF−6N−10N1.019.019.02.001415-4.4
13Martinez, Justin0USAF−1B+2N−5NFFF1.015.015.05.0016200.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets