CChessStats

XXIII Torneo de Ajedrez Jose de Diego - Clase A

Open SwissStandard

21 players participated in this 5-round tournament, held from 10 Apr 2026 to 12 Apr 2026 in Aguadilla, Puerto Rico. 2 titled players from 2 federations. Top 10 Elo average was 1954, and top seed was Felix Lidier Rojas Hernandez (🇵🇷 PUR, 2149).

Miguel A. Boggiano Pereira (🇵🇷 PUR, CM, 2072) won with 4.5/5, ahead of Felix Lidier Rojas Hernandez (4.0) and Malcolm J. Perez Quinones (3.5). Boggiano Pereira broke clear in the final round.

The biggest upset came in round 3: Josue Allen Medina (1915) beat Diego Zilleruelo Irizarry (CM, 2068), a +153-point gap.

Location
🇵🇷Aguadilla, Puerto Rico
Dates
10 Apr 2026 → 12 Apr 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇵🇷Felix Lidier Rojas Hernandez2149
Avg top 10
1,954
Participants
21
Titled players · 2
CM×2
Federations · 2 represented
🇵🇷Puerto Rico×20
🇨🇴Colombia×1
Top 3

How it unfolded

Top 6 · 5 rounds

CM Miguel A. Boggiano Pereira led from R3; +0.5-point edge over the runner-up.

Co-leaders
5
3
1
2
1
1.52.545R1R2R3R4R5
Boggiano Pereira4.5Rojas Hernandez4Perez Quinones3.5Zilleruelo Irizarry3Rivera Valentin3Soto Flores3
R3–R5 · LEAD HELD

CM Miguel A. Boggiano Pereira held the sole lead from R3 through R5 without losing it.

R1–R3 · WIN STREAK

CM Miguel A. Boggiano Pereira won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1CMMiguel A. Boggiano Pereira*—
1
—
2Felix Lidier Rojas Hernandez—*
½
—
3Malcolm J. Perez Quinones
0
½
*—
4CMDiego Zilleruelo Irizarry———*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Boggiano Pereira, Miguel A.CM2072PUR+16B+12N+11B=7N+3B4.510.011.510.252202+9.0
2Rojas Hernandez, Felix Lidier2149PUR=19N+17B=3N+4B+7B4.010.511.59.252071-6.0
3Perez Quinones, Malcolm J.1847PUR+20B+15N=2B+11N−1N3.512.013.06.502068+56.8
4Rivera Valentin, Christian Z.1749PUR=8B=13N+15B−2N+11B3.010.512.05.751998+31.4
5Soto Flores, Jose Noel1924PUR=14B+8N=9B=13N=12N3.09.010.56.501961+3.6
6Zilleruelo Irizarry, DiegoCM2068PURF+19B−7N+14N+13B3.07.07.04.502051-1.2
7Allen Medina, Josue1915PURF+14N+6B=1B−2N2.513.013.06.752119+21.0
8Vasquez Pagan, Diego1852PUR=4N−5B+17N=12B=10N2.510.512.05.251819-7.2
9Nunez Velez, Walter1929PUR+21N−11B=5N=10B=18B2.59.09.54.001841-12.0
10Velazquez Rivera, Pedro J.1797PUR−11N+21B=19N=9N=8B2.58.08.53.501860+8.6
11Torres Acosta, Gael1877PUR+10B+9N−1N−3B−4N2.013.516.05.001807-20.0
12Cartagena De Jesus, Julio0PURF−1B+16N=8N=5B2.011.511.54.2519190.0
13Gonzalez Gonzalez, Enoel1876PURF=4B+20N=5B−6N2.010.010.04.001841-3.2
14Patel, Yash1806PUR=5N−7B+21N−6BF1.510.010.52.001841+5.2
15Llanos Martinez, Alberto1876PUR+18N−3B−4N=20BF1.59.510.52.001668-44.8
16Torres Perez, Steven1826PUR−1N+18B−12B−17N=21B1.59.510.01.751784-5.6
17Matos Santoni, Gamalier1806PURF−2N−8B+16B=20N1.59.09.02.001775-5.4
18Gerena Rivas, Ezequiel1801PUR−15B−16NF+19B=9N1.56.56.52.251780-3.0
19Pacheco Calderon, Jarek1836PUR=2B−6N=10B−18NF1.011.011.03.251761-18.0
20Ortega Rivera, Gadiel L.1621PUR−3NF−13B=15N=17B1.08.58.51.501658+3.0
21Otero Velasco, Javier Andres1805COL−9B−10N−14BF=16N0.58.08.00.751518-52.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets