2nd PRCA IRT Chess Classic

Open SwissStandard

31 players participated in this 5-round tournament, held from 07 May 2026 to 04 Jun 2026 in Bayamon, Puerto Rico. 2 titled players. Top 10 Elo average was 1796, and top seed was Jaime Rodriguez Santiago (🇵🇷 PUR, FM, 2119).

Diego Vasquez Pagan (🇵🇷 PUR, 1860) won with 4.5/5, ahead of Jarek Pacheco Calderon (4.5) and Ian G. Rodriguez Rodriguez (3.5). Vasquez Pagan shared the lead from round 1, winning on tie-break.

Location

🇵🇷Bayamon, Puerto Rico

Dates

07 May 2026 → 04 Jun 2026

Time control

Standard: All Moves in 60 Min. Incr. 10 Sec. / /

System

Swiss · 5 rounds

Top seed

🇵🇷FMJaime Rodriguez Santiago2119

Avg top 10

1,796

Participants

Titled players · 2

FM×1

CM×1

Federations · 1 represented

🇵🇷Puerto Rico×20

Top 3

🥇
Diego Vasquez Pagan
🇵🇷PUR·1860
4.5pts·2036perf+29.6
🥈
Jarek Pacheco Calderon
🇵🇷PUR·1788
4.5pts·1976perf+30.8
🥉
Ian G. Rodriguez Rodriguez
🇵🇷PUR·1681
3.5pts·1706perf+2.2

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Pacheco Calderon4.5Vasquez Pagan4.5Santiago Fernandez3.5Rodriguez Rodriguez3.5Fuentes Aledo3Rivera Valentin3

R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Vasquez Pagan takes the title on Buchholz Cut1 (13.0).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Jarek Pacheco Calderon drew with Diego Vasquez Pagan (Black).

R1–R5 · UNBEATEN

Jarek Pacheco Calderon went unbeaten across 5 games (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Jarek Pacheco Calderon	*	½	—	—
2Diego Vasquez Pagan	½	*	1	—
3CMJoel A. Santiago Fernandez	—	0	*	½
4Ian G. Rodriguez Rodriguez	—	—	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Vasquez Pagan, Diego	1860	PUR	+15B	+13N	=2B	+4N	+5B	4.5	13.0	15.0	12.75	2036	+29.6
2	Pacheco Calderon, Jarek	1788	PUR	+6N	+5B	=1N	+27B	+13N	4.5	12.5	13.5	11.25	1976	+30.8
3	Rodriguez Rodriguez, Ian G.	1681	PUR	+26B	+9N	=4B	−7N	+11B	3.5	12.0	13.0	8.25	1706	+2.2
4	Santiago Fernandez, Joel A.CM	1868	PUR	+18N	+19B	=3N	−1B	+27N	3.5	12.0	13.0	6.75	1763	-9.2
5	Gonzalez Segarra, Abel	1509	PUR	+14B	−2N	+16B	+10N	−1N	3.0	13.5	15.5	6.50	1605	+5.6
6	Concepcion Lebron, Dylan	0	PUR	−2B	+14N	−10B	+15N	+25B	3.0	11.0	12.0	5.00	865	0.0
7	Rivera Valentin, Christian Z.	1780	PUR	+11B	+10N	F	+3B	F	3.0	8.5	8.5	8.50	2412	+11.2
8	Fuentes Aledo, Jeremy	1465	PUR	+31B	=23N	−21B	+12N	=10B	3.0	8.5	8.5	4.50	1640	+16.4
9	Sierra Adorno, Javier	1470	PUR	+29N	−3B	−25B	+16N	+14B	3.0	8.5	8.5	4.00	881	-9.2
10	Cintron Rivera, Jaime	1542	PUR	+17N	−7B	+6N	−5B	=8N	2.5	12.0	14.0	6.50	1312	-17.2
11	Concepcion Lebron, Jahdai	0	PUR	−7N	=17B	+30N	+24B	−3N	2.5	10.0	10.0	2.50	931	0.0
12	Fernandez Cintron, Dariel	1462	PUR	+25N	−28B	=24N	−8B	+22N	2.5	7.0	8.0	3.25	864	-23.2
13	Nieves Cobian, Angel	1636	PUR	+22N	−1B	F	+25N	−2B	2.0	12.0	13.0	2.50	1024	-20.8
14	FIDE 3121046	0	—	−5N	−6B	+29N	+18B	−9N	2.0	11.0	11.0	2.00	690	0.0
15	FIDE 3119688	0	—	−1N	=22B	=17N	−6B	+29B	2.0	11.0	11.0	1.75	1060	0.0
16	FIDE 3121062	0	—	−19N	+18B	−5N	−9B	+30N	2.0	10.0	10.0	2.00	718	0.0
17	FIDE 3115933	0	—	−10B	=11N	=15B	+26N	−20B	2.0	9.0	10.0	3.25	742	0.0
18	FIDE 3121135	0	—	−4B	−16N	+31B	−14N	+26B	2.0	8.5	8.5	1.00	1068	0.0
19	Valentin Baez, Bryan Jay	1575	PUR	+16B	−4N	+26B	F	F	2.0	6.5	6.5	3.00	1068	-6.0
20	FIDE 3119386	0	—	−21N	F	+22B	F	+17N	2.0	5.5	5.5	3.50	1319	0.0
21	Rodriguez Santiago, JaimeFM	2119	PUR	+20B	F	+8N	F	F	2.0	5.0	5.0	5.00	2519	+1.6
22	FIDE 3118550	0	—	−13B	=15N	−20N	+30B	−12B	1.5	8.5	8.5	1.00	749	0.0
23	Rivera Ramirez, Alexis O.	1691	PUR	+24N	=8B	F	F	F	1.5	6.5	6.5	3.00	1465	-11.6
24	Cortes Camacho, Gael I.	0	PUR	−23B	+31N	=12B	−11N	F	1.5	6.5	6.5	1.25	1384	0.0
25	FIDE 3116689	0	—	−12B	F	+9N	−13B	−6N	1.0	10.5	10.5	3.00	1398	0.0
26	Katiyar, Aayush	0	PUR	−3N	+29B	−19N	−17B	−18N	1.0	9.5	9.5	0.00	828	0.0
27	Velez Feliciano, Vladimir	1555	PUR	F	+30B	F	−2N	−4B	1.0	9.0	9.0	0.00	1028	-14.0
28	Carrion Perez, Louis E.	1957	PUR	F	+12N	F	F	F	1.0	3.5	3.5	2.50	2357	+1.6
29	FIDE 3121143	0	—	−9B	−26N	−14B	F	−15N	0.0	8.0	8.0	0.00	670	0.0
30	FIDE 3119254	0	—	F	−27N	−11B	−22N	−16B	0.0	7.0	7.0	0.00	755	0.0
31	FIDE 3121054	0	—	−8N	−24B	−18N	F	F	0.0	6.5	6.5	0.00	665	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Pacheco Calderon, JarekPUR
+30.8
4.5 pts · #1
2Vasquez Pagan, DiegoPUR
+29.6
4.5 pts · #2
3Fuentes Aledo, JeremyPUR
+16.4
3.0 pts · #4

Top rating losers

1Fernandez Cintron, DarielPUR
-23.2
2.5 pts · #15
2Nieves Cobian, AngelPUR
-20.8
2.0 pts · #14
3Cintron Rivera, JaimePUR
-17.2
2.5 pts · #11