II Torneo de Ajedrez Clasico OPEN - Club Thor

Open SwissStandard

35 players participated in this 5-round tournament, held from 06 Jun 2026 to 07 Jun 2026 in Chiriqui, Panama. 1 titled players. Top 10 Elo average was 1658, and top seed was Jose Antonio Delgado Rosas (🇵🇦 PAN, 2058).

Jose Antonio Delgado Rosas (🇵🇦 PAN, 2058) won with 4.5/5, ahead of Dastan Aaron Pitti Torres (4.5) and Jenner Antonio Pineda Aguirre (4.0). Delgado Rosas shared the lead from round 1, winning on tie-break.

Location

🇵🇦Chiriqui, Panama

Dates

06 Jun 2026 → 07 Jun 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 5 rounds

Top seed

🇵🇦Jose Antonio Delgado Rosas2058

Avg top 10

1,658

Participants

Titled players · 1

WCM×1

Federations · 1 represented

🇵🇦Panama×26

Top 3

🥇
Jose Antonio Delgado Rosas
🇵🇦PAN·2058
4.5pts·2035perf-1.2
🥈
Dastan Aaron Pitti Torres
🇵🇦PAN·1714
4.5pts·2026perf+54.0
🥉
Jenner Antonio Pineda Aguirre
🇵🇦PAN·1561
4.0pts·1701perf+22.4

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

Delgado Rosas4.5Pitti Torres4.5Lopez Santos4Bonilla Castro4Pineda Aguirre4Mendez Carrera3.5

R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Delgado Rosas takes the title on Buchholz Cut1 (14.5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Jose Antonio Delgado Rosas drew with Dastan Aaron Pitti Torres (Black).

WIN STREAKS · 3 top finishers

Jose Antonio Delgado Rosas 4 wins (R1–R4)Dastan Aaron Pitti Torres 4 wins (R1–R4)Diego Alejandro Lopez Santos 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Jose Antonio Delgado Rosas	*	½	1	—
2Dastan Aaron Pitti Torres	½	*	—	—
3Diego Alejandro Lopez Santos	0	—	*	—
4Sebastian Gabriel Bonilla Castro	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Delgado Rosas, Jose Antonio	2058	PAN	+15N	+28B	+6N	+4B	=2N	4.5	14.5	15.5	13.25	2035	-1.2
2	Pitti Torres, Dastan Aaron	1714	PAN	+17N	+21B	+18N	+9B	=1B	4.5	11.5	13.5	11.25	2026	+54.0
3	Pineda Aguirre, Jenner Antonio	1561	PAN	+19N	+5B	=7N	=6B	+11N	4.0	14.0	16.0	12.50	1701	+22.4
4	Lopez Santos, Diego Alejandro	1553	PAN	+32B	+12N	+24B	−1N	+17B	4.0	11.0	12.0	7.50	1777	+42.0
5	Bonilla Castro, Sebastian Gabriel	1457	PAN	+34B	−3N	+31B	+28N	+10B	4.0	9.0	9.0	5.00	1635	+28.4
6	Mendez Carrera, Joseph Endrich	1573	PAN	+30B	+10N	−1B	=3N	+28B	3.5	12.5	13.5	7.00	1721	+26.4
7	Atencio Perez, Randy Nelson	1697	PAN	+29B	+20N	=3B	+14N	−9N	3.5	11.5	12.5	7.50	1699	+0.8
8	Ramos Ceballos, Jose Andres	1531	PAN	+31N	−9B	=15N	+19B	+24N	3.5	9.0	10.0	5.75	1589	+7.6
9	Chavarria Troya, Keytleen DenisWCM	1796	PAN	F	+8N	+14B	−2N	+7B	3.0	14.0	15.0	9.50	1824	+6.0
10	Ayala Barraza, Sofia Isabela	1467	PAN	+11N	−6B	+25N	+18B	−5N	3.0	12.5	14.0	6.50	715	-34.8
11	FIDE 6640630	0	—	−10B	+30N	+16B	+20N	−3B	3.0	11.5	12.5	5.50	1377	0.0
12	Ayala Barraza, Ericka Somary	1455	PAN	+35N	−4B	−19N	+31B	+18N	3.0	9.0	9.0	3.00	753	-14.8
13	Munoz Santos, Anthony Abdiel	1475	PAN	+23B	−14N	+32B	−17N	+29N	3.0	7.5	8.5	4.00	694	-38.0
14	Woods Diaz, Rodrigo Alberto	1580	PAN	+25N	+13B	−9N	−7B	=15N	2.5	12.0	13.5	5.75	1519	-14.8
15	Valdes Gonzalez, Abinadab Ernesto	1454	PAN	−1B	=27N	=8B	+32N	=14B	2.5	12.0	13.0	4.75	1530	+8.0
16	FIDE 6633617	0	—	=24N	−18B	−11N	+?B	+25N	2.5	8.0	8.0	2.25	1518	0.0
17	Atencio Perez, Gabriela Sofia	1408	PAN	−2B	F	+21N	+13B	−4N	2.0	13.5	15.5	5.00	1560	+30.4
18	Morales Aguirre, Javier Antonio	0	PAN	+26B	+16N	−2B	−10N	−12B	2.0	13.0	14.5	4.00	1344	0.0
19	De Leon Aparicio, Keydan Harim	0	PAN	−3B	+34N	+12B	−8N	−20B	2.0	12.5	12.5	3.00	1313	0.0
20	Liu Qiu, Jhonny Bryan	1477	PAN	F	−7B	+29N	−11B	+19N	2.0	10.5	11.5	3.00	897	-8.8
21	Liu Qiu, Kenneth Ryan	1498	PAN	F	−2N	−17B	+30N	+33B	2.0	8.5	8.5	2.00	1390	-17.6
22	FIDE 6641369	0	—	F	F	−26B	+?N	+30B	2.0	6.5	6.5	1.00	711	0.0
23	FIDE 6639828	0	—	−13N	−25B	+?N	−29B	+?B	2.0	5.5	5.5	0.00	675	0.0
24	De Gracia Mera, Eitan Alfonso	1518	PAN	=16B	+26N	−4N	F	−8B	1.5	11.5	13.0	2.75	1407	-17.6
25	FIDE 6637850	0	—	−14B	+23N	−10B	=26N	−16B	1.5	10.0	11.5	2.75	1246	0.0
26	Ramos Ceballos, Gabriel Andres	1511	PAN	−18N	−24B	+22N	=25B	F	1.5	7.0	8.5	2.75	718	-19.6
27	Morales Serrano, Samet Elhi	0	PAN	F	=15B	+35N	F	F	1.5	6.5	6.5	1.25	1454	0.0
28	De Gracia Mora, Jeremy Yishaq	1502	PAN	F	−1N	+33B	−5B	−6N	1.0	13.5	14.5	1.00	1396	-26.0
29	Castillo Castillo, Julia Julieth	0	PAN	−7N	F	−20B	+23N	−13B	1.0	10.5	10.5	2.00	750	0.0
30	FIDE 6637868	0	—	−6N	−11B	+?N	−21B	−22N	1.0	10.5	10.5	0.00	736	0.0
31	FIDE 6641342	0	—	−8B	F	−5N	−12N	+35B	1.0	10.5	10.5	0.00	681	0.0
32	De Leon Aparicio, Keydanis Mariam	0	PAN	−4N	+35B	−13N	−15B	F	1.0	9.5	9.5	0.00	694	0.0
33	Bonilla Castro, Matias Gabriel	1424	PAN	F	F	−28N	+34B	−21N	1.0	6.0	6.0	0.00	700	-31.6
34	FIDE 6623905	0	—	−5N	−19B	F	−33N	F	0.0	8.0	8.0	0.00	641	0.0
35	FIDE 6639178	0	—	−12B	−32N	−27B	F	−31N	0.0	6.5	6.5	0.00	655	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Pitti Torres, Dastan AaronPAN
+54.0
4.5 pts · #2
2Lopez Santos, Diego AlejandroPAN
+42.0
4.0 pts · #4
3Atencio Perez, Gabriela SofiaPAN
+30.4
2.0 pts · #9

Top rating losers

1Munoz Santos, Anthony AbdielPAN
-38.0
3.0 pts · #30
2Ayala Barraza, Sofia IsabelaPAN
-34.8
3.0 pts · #28
3Bonilla Castro, Matias GabrielPAN
-31.6
1.0 pts · #25