The 2025 CTCA International Chess Open is taking place July 17 – July 22 in Chinese Taipei. It is a 9 round Swiss system tournament with time control 90 min + 30 sec / move. For more events from Chinese Taipei, check out The Asian Chess Calendar, which is part of The Chess Calendar.
The top seeded players are GM Sayantan Das (2434), GM Gergely Aczel (2420), GM Rogelio Jr Antonio (2354), FM Sander Severino (2349), IM Ryosuke Nanjo (2341), WGM Jilin Zhang (2184), AGM Jasper Rom (2163), FM Roel Abelgas (2148), WIM Diajeng Theresa Singgih (2116), CM Daniel Wang (2076), AGM Henry Lopez (2050), Menandro Redor (2021), Darry Bernardo (2018), Aitor Garcia-Ruiz Fuentes (2006), James Infiesto (1978), IM Efren Bagamasbad (1976), Yu Sen Wang (1929), WIM Kylen Joy Mordido (1927), AIM Arman Subaste (1904), WCM Kun Fang (1845). Scroll down for the full participants list.
More : ECF English Open Championship 2025 / Open International d’Aix en Provence – Trophée Dole 2025 / Oskemen Chess 2025
2025 CTCA International Chess Open participants
No.
Name
FED
Rtg
1
GM
Das, Sayantan
IND
2434
2
GM
Aczel, Gergely
HUN
2420
3
GM
Antonio, Rogelio Jr
PHI
2354
4
FM
Severino, Sander
PHI
2349
5
IM
Nanjo, Ryosuke
JPN
2341
6
WGM
Zhang, Jilin
AUS
2184
7
AGM
Rom, Jasper
PHI
2163
8
FM
Abelgas, Roel
PHI
2148
9
WIM
Singgih, Diajeng Theresa
INA
2116
10
CM
Wang, Daniel
AUS
2076
11
AGM
Lopez, Henry
PHI
2050
12
Redor, Menandro
PHI
2021
13
Bernardo, Darry
PHI
2018
14
Garcia-Ruiz Fuentes, Aitor
ESP
2006
15
Infiesto, James
PHI
1978
16
IM
Bagamasbad, Efren
PHI
1976
17
Wang, Yu Sen
TPE
1929
18
WIM
Mordido, Kylen Joy
PHI
1927
19
AIM
Subaste, Arman
PHI
1904
20
WCM
Fang, Kun
SGP
1845
21
AFM
Murray, Tristan Alexander
TPE
1836
22
Aguilera, Felix
PHI
1833
23
WCM
Park, Haneul
KOR
1831
24
Peligro, Israel
PHI
1739
25
Huang, Hsuan-Chen
TPE
1738
26
Lee, Onbin
KOR
1735
27
Mendoza, Cheyzer Crystal J.
PHI
1734
28
Ching, Francis
PHI
1724
29
AFM
Hsu, Che
TPE
1722
30
WFM
Chen, I-Chen
TPE
1718
31
Wu, Pei-Ti
TPE
1718
32
Yang, Yuchang
USA
1715
33
AIM
Chen, Yung-Hao
TPE
1707
34
Rhinehart, Zachary
USA
1697
35
AFM
Mooi, Kok Onn Osric
SGP
1693
36
AFM
Choi, Chanuk
KOR
1689
37
Sarmiento, Rodolfo
PHI
1689
38
Ng, Jing Xuan Alyssa
SGP
1678
39
Wu, Chen- Hao
TPE
1678
40
AIM
Saguban, Dave Trevor
PHI
1665
41
WCM
Wong, Linda Jane
TPE
1660
42
Bilog, Cecilio
PHI
1623
43
Pu, Yu
TPE
1582
44
Vaibhav, Chopra
IND
1572
45
Angot, Cheryl A.
PHI
1564
46
Abogado, Anthony
PHI
1547
47
Mangayayam, Fe
PHI
1516
48
Gamao, Evangeline
PHI
1508
49
Nacita, Jean-Lee
PHI
1493
50
Chang, Tin Ieng
MAC
1489
51
Lucero, Corazon
PHI
1479
52
Tonic, Charmaine
PHI
1445
53
Lee, Chien-Hua
TPE
1437
54
Bilog, Maria Teresa
PHI
1410
55
AFM
Yen, Yu-Ting
TPE
0
56
Chang, Chung Min
TPE
0
57
Chen, Issac H
TPE
0
58
Cheng, Yi-Yen
TPE
0
59
Hong, Tsai-Long
TPE
0
60
Hsia, Ho-Hsuan
TPE
0
61
Hsieh, Min-Han
TPE
0
62
Hsu, Che-Chi
TPE
0
63
Huang, Morris
TPE
0
64
Hung, Chia-Chien
TPE
0
65
Keng, Po-Wen
TPE
0
66
Lai, Heng-Chia
TPE
0
67
Lau, Ching Yu Ted
HKG
0
68
Lee, Boram
KOR
0
69
Lee, Ching-Chen
TPE
0
70
Lee, Po-Yen
USA
0
71
Leem, Daeyoung
KOR
0
72
Liu, Owen YC
TPE
0
73
Mangawang, Ma. Katrina
PHI
0
74
Peligro, Elena
PHI
0
75
Saguban, Cayetano Jr?
PHI
0
76
Shiu, Bo-Shiun
TPE
0
77
Wei, Yi-Chen
TPE
0
78
Yu, Bowen
HKG
0