10th AQ Prime Standard Open Chess Tournament

Open SwissStandard

102 players participated in this 6-round tournament, held from 06 Jun 2026 to 07 Jun 2026 in Cubao, Quezon City, Philippines. 6 titled players from 6 federations. Top 10 Elo average was 2066, and top seed was Christian Mark Daluz (🇵🇭 PHI, FM, 2215).

Kyle Ochoa (🇵🇭 PHI, 2015) won with 6.0/6, ahead of Christian Mark Daluz (6.0) and Christopher Castellano (5.0). Ochoa shared the lead from round 3, winning on tie-break.

The biggest upset came in round 4: Anasco Jr Marcelo (1441) beat Zion El Gabriel Chua (1825), a +384-point gap.

Location

🇵🇭Cubao, Quezon City, Philippines

Dates

06 Jun 2026 → 07 Jun 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇵🇭FMChristian Mark Daluz2215

Avg top 10

2,066

Participants

102

Titled players · 6

IM×2

FM×3

CM×1

Federations · 6 represented

🇵🇭Philippines×76

FIDE (no federation)×1

🇬🇺Guam×1

🇮🇳India×1

🇭🇰Hong Kong China×1

🇹🇭Thailand×1

Top 3

🥇
Kyle Ochoa
🇵🇭PHI·2015
6.0pts·2615perf+31.2
🥈
FMChristian Mark Daluz
🇵🇭PHI·2215
6.0pts·2664perf+13.6
🥉
FMChristopher Castellano
🇵🇭PHI·2107
5.0pts·2125perf+4.2

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 6.0/6, decided on Buchholz. Title race narrowed from 4 co-leaders at R4 to 2 at the finish.

Co-leaders

Daluz6Ochoa6Castellano5Daluz5Quinto5Abeleda4.5

R6 · TIEBREAK CLUSTER

2 players finish on 6.0/6. Ochoa takes the title on Buchholz Cut1 (21.5).

WIN STREAKS · 3 top finishers

FM Christian Mark Daluz 6 wins (R1–R6)Kyle Ochoa 6 wins (R1–R6)FM Christopher Castellano 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMChristian Mark Daluz	*	—	—	1
2Kyle Ochoa	—	*	—	—
3FMChristopher Castellano	—	—	*	—
4Carl Daluz	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Ochoa, Kyle	2015	PHI	+57N	+22B	+14N	+6B	+7N	+8B	6.0	21.5	24.0	24.00	2615	+31.2
2	Daluz, Christian MarkFM	2215	PHI	+65B	+83N	+5B	+4B	+12N	+15N	6.0	20.0	21.5	21.50	2664	+13.6
3	Castellano, ChristopherFM	2107	PHI	+24N	+60B	+54B	−15N	+14N	+10B	5.0	19.0	21.5	17.50	2125	+4.2
4	Quinto, Stephen Zane	1853	PHI	+82N	+97B	+13B	−2N	+40B	+19B	5.0	18.5	18.5	12.50	2199	+69.6
5	Daluz, Carl	1914	PHI	+61N	+58B	−2N	+65B	+45N	+12B	5.0	18.0	20.0	14.00	2010	+17.2
6	Talaboc, Freddie	1828	PHI	+89B	+53N	+9B	−1N	+13B	=20N	4.5	21.0	22.0	14.00	2043	+22.6
7	Abeleda, Ritchie James	1910	PHI	+73B	+71N	+17B	+36N	−1B	=9N	4.5	19.5	21.5	13.25	2010	+18.0
8	Costuna, Christian Erickson	1925	PHI	+88B	+64N	+21B	=55N	+17B	−1N	4.5	19.0	20.0	12.75	2006	+30.0
9	Baylosis, Daniel	1926	PHI	+51N	+29B	−6N	+58B	+69N	=7B	4.5	18.0	20.0	13.25	1916	+2.4
10	Bagamasbad, EfrenIM	2021	PHI	+39B	=28N	+59B	+37N	+55B	−3N	4.5	17.0	19.5	12.75	1953	-4.8
11	Pacis, AdrianFM	1918	PHI	+47B	+38N	−36B	=71N	+28B	+55N	4.5	15.0	17.0	13.00	1852	-7.2
12	Buto, Al-BasherCM	1948	PHI	+30B	+99N	+62B	+27N	−2B	−5N	4.0	20.5	20.5	9.50	1957	+6.8
13	Alcodia, Romeo	1956	PHI	+56N	+16B	−4N	+29B	−6N	+44B	4.0	20.0	22.5	13.00	1826	-15.6
14	Talaboc, Francis	1901	PHI	+42B	+43N	−1B	+68N	−3B	+38N	4.0	20.0	22.0	11.00	1866	-0.6
15	De Luna, Adrian	1837	PHI	F	+84N	+40B	+3B	+26N	−2B	4.0	19.0	19.0	13.00	2284	+88.0
16	Sto. Domingo, Spencer	1701	PHI	+23B	−13N	+70B	−17N	+48B	+49N	4.0	18.0	20.0	12.00	1756	+7.2
17	Nadera, Barlo A.IM	2132	PHI	+68N	+69B	−7N	+16B	−8N	+46B	4.0	18.0	20.0	11.00	1922	-12.2
18	Tunguia, Eduardo	2000	PHI	+48B	−36N	+63B	+22N	=27B	=21N	4.0	17.5	20.0	13.25	1824	-42.8
19	Adante, Ibaryu	1923	PHI	+70N	+31B	−55B	+38N	+36B	−4N	4.0	17.0	19.0	11.50	1812	-28.0
20	Buccat, Benchly Cabanayan	1896	GUM	+91N	=44B	−26N	+56B	+31N	=6B	4.0	17.0	18.0	10.75	1810	-7.6
21	De Guzman, Ioan Samuel	1788	PHI	+101N	+66B	−8N	+41B	=34N	=18B	4.0	17.0	17.0	8.75	1826	+5.6
22	Anarna, Jon Mark	1709	PHI	+87B	−1N	+88N	−18B	+39B	+73N	4.0	16.5	17.5	7.50	1764	+14.0
23	FIDE 115101540	0	—	−16N	=56B	+82N	=59B	+43B	+36N	4.0	15.0	16.5	10.00	1627	0.0
24	Teves, Cyrine Kate	1553	PHI	−3B	+96N	+67B	=54N	=37B	+72N	4.0	14.5	14.5	6.75	1862	+56.0
25	Mallari, Emmanuel	1780	PHI	−53B	+89N	+39B	=35N	=71B	+68N	4.0	13.0	14.0	8.75	1763	-2.8
26	Ruaya, Virgen Gil C.	2113	PHI	+35B	=37N	+20B	+33N	−15B	−27N	3.5	18.5	21.5	12.50	1894	-28.2
27	Rivera, Jian Carlo	1816	PHI	F	+41B	+34N	−12B	=18N	+26B	3.5	18.0	18.0	12.00	2092	+56.8
28	Lomio, John Marcus	1712	PHI	+75N	=10B	−33N	+66B	−11N	+57B	3.5	17.0	19.0	8.75	1781	+4.4
29	Cartel, Gabriel James	1673	PHI	+67B	−9N	+61B	−13N	=30B	+53N	3.5	17.0	19.0	8.75	1620	-14.8
30	Banguilan, Elijah Johan	1498	PHI	−12N	+52B	+60N	−32B	=29N	+85B	3.5	16.5	18.0	8.75	1732	+56.8
31	Gonio, Gerald	1654	PHI	+90B	−19N	=42B	+47N	−20B	+61N	3.5	16.5	17.5	8.00	1627	-8.0
32	Coloma, Prince Ivan	1692	PHI	+76B	−40N	=47B	+30N	+54B	−33N	3.5	15.5	17.5	9.50	1764	+16.8
33	Lorenzo, Kimuel Aaron O.	2023	PHI	=59N	F	+28B	−26B	+73N	+32B	3.5	15.0	15.0	10.25	1902	-9.2
34	Tunguia, Edward	1927	PHI	+45B	+85N	−27B	+64N	=21B	F	3.5	14.5	14.5	9.00	1840	-8.2
35	Co, Ronell Jose	1553	PHI	−26N	+101B	+102N	=25B	−72B	+62N	3.5	12.0	12.0	4.50	1764	+35.6
36	Ronald, Pernez	1681	PHI	+94N	+18B	+11N	−7B	−19N	−23B	3.0	21.0	22.0	9.50	1938	+50.4
37	Maranan, Junsen Audric	1738	PHI	+79N	=26B	+44N	−10B	=24N	−45B	3.0	18.0	20.0	8.75	1680	-10.0
38	Utkarsh Ujjwal Jha	1650	IND	+92N	−11B	+74N	−19B	+42N	−14B	3.0	17.5	18.5	6.00	1594	-13.2
39	Apigo, Lizzie Jane	1531	PHI	−10N	+75B	−25N	+92B	−22N	+66B	3.0	16.5	17.5	5.00	1007	-10.8
40	Bartolome, Givy	1929	PHI	+86N	+32B	−15N	+85B	−4N	F	3.0	16.0	17.5	6.50	1787	-30.8
41	FIDE 5286034	0	—	+50B	−27N	+43B	−21N	−68B	+77N	3.0	15.5	17.5	8.00	1695	0.0
42	Manga, Allijiah Jean	1405	PHI	−14N	+80B	=31N	=46B	−38B	+67N	3.0	15.5	17.5	7.25	1492	+12.8
43	Maximo, Roland Jr?	1613	PHI	+80N	−14B	−41N	+79B	−23N	+56B	3.0	15.5	17.5	6.50	1700	+7.2
44	Padua, James Joshua	1595	PHI	+102B	=20N	−37B	=53N	+67B	−13N	3.0	15.5	15.5	5.25	1590	-2.4
45	Tagal, Ada Kisha	1477	PHI	−34N	F	+83B	+72N	−5B	+37N	3.0	15.0	15.0	6.50	1891	+96.0
46	De Leon, Sean Alexis	1631	PHI	+49B	−54N	=53B	=42N	+100B	−17N	3.0	15.0	15.0	5.75	1509	-21.6
47	Rentoria, Mc Clarth	1463	PHI	−11N	+92B	=32N	−31B	=66N	+90B	3.0	14.5	15.5	4.75	1463	-1.6
48	Guiao, Patricia Monique	1501	PHI	−18N	+94B	−69N	+93B	−16N	+78B	3.0	13.0	14.0	4.00	984	-20.4
49	FIDE 584002026	0	—	−46N	−91B	+75N	+86B	+65N	−16B	3.0	12.5	13.5	5.50	1601	0.0
50	Muli, Christine	1701	FID	−41N	=82B	=66N	+74B	=57N	=70B	3.0	11.5	13.0	6.00	1489	-21.6
51	Tagal, Aden Krsitof	1474	PHI	−9B	−67N	+94B	−78N	+76B	+100N	3.0	11.5	11.5	3.00	1074	-3.2
52	FIDE 584001992	0	—	F	−30N	+89B	F	+88N	+86B	3.0	9.5	9.5	3.50	1507	0.0
53	FIDE 521035431	0	—	+25N	−6B	=46N	=44B	=58N	−29B	2.5	18.0	20.5	8.25	1636	0.0
54	Garcia, John Andrew	1909	PHI	F	+46B	−3N	=24B	−32N	+58B	2.5	18.0	18.0	7.50	1726	-21.2
55	Penafiel, Denniel	1758	PHI	F	+98B	+19N	=8B	−10N	−11B	2.5	17.5	17.5	6.25	1860	+9.4
56	Gaddi, Marianne Venice	1499	PHI	−13B	=23N	+77B	−20N	+84B	−43N	2.5	17.0	18.5	5.50	1583	+10.0
57	Castillo, Siegfred Siemund Joseph	1510	PHI	−1B	+87N	−72B	+76N	=50B	−28N	2.5	16.5	18.0	5.00	1470	-7.6
58	Anarna, Nathan Jon	1648	PHI	+93B	−5N	+84B	−9N	=53B	−54N	2.5	16.0	17.0	3.75	1116	-21.2
59	Legaspi, Jeric Marc Euterio Reyes	1539	PHI	=33B	F	−10N	=23N	=83B	+60B	2.5	16.0	16.0	7.00	1843	+54.8
60	Buto, Rohanisah	1735	PHI	+96B	−3N	−30B	=84N	+78B	−59N	2.5	14.5	14.5	2.75	915	-33.0
61	Singh, Ishan	1446	PHI	−5B	+90N	−29N	+98B	=85N	−31B	2.5	14.5	14.5	1.75	1387	-9.6
62	Chua, Zion El Gabriel	1825	PHI	+74N	+100B	−12N	−73B	=63N	−35B	2.5	14.0	14.0	3.25	1300	-96.0
63	Raagas, Bryan Roy	1547	PHI	−95N	+79B	−18N	F	=62B	+83N	2.5	13.0	14.0	4.75	1782	+37.6
64	Almadin, Jan Yuniko	1658	PHI	F	−8B	+97N	−34B	=70N	+87B	2.5	11.5	11.5	2.50	1500	-24.0
65	Bangloy, John Destan	1580	PHI	−2N	F	+76B	−5N	−49B	+74N	2.0	18.0	18.0	4.00	1147	-8.0
66	FIDE 115097124	0	—	+77B	−21N	=50B	−28N	=47B	−39N	2.0	16.5	18.5	5.00	1523	0.0
67	Salvo, Mikhaela E.	0	PHI	−29N	+51B	−24N	+88B	−44N	−42B	2.0	16.5	17.5	4.00	1404	0.0
68	Tolentino, Queen Sheylee	1560	PHI	−17B	F	+93N	−14B	+41N	−25B	2.0	16.0	16.0	4.00	1080	-16.8
69	Ellis, Arnel	1751	PHI	F	−17N	+48B	+81N	−9B	F	2.0	15.5	15.5	5.00	1778	+1.4
70	Quiambao, Cris Matheo	1467	PHI	−19B	+78N	−16N	F	=64B	=50N	2.0	15.5	15.5	4.75	1539	+10.0
71	Chua, Travis Vincent	1637	PHI	F	−7B	+100N	=11B	=25N	F	2.0	15.0	15.0	4.25	1744	+7.2
72	Lo, Cheuk Wai	1846	HKG	−84B	F	+57N	−45B	+35N	−24B	2.0	14.5	14.5	6.00	1523	-29.6
73	Marcelo, Anasco Jr	1441	PHI	−7N	F	+99B	+62N	−33B	−22B	2.0	14.5	14.5	2.50	1706	+54.8
74	FIDE 584001968	0	—	−62B	+77N	−38B	−50N	+93N	−65B	2.0	12.5	13.5	3.00	1450	0.0
75	FIDE 521080380	0	—	−28B	−39N	−49B	+89N	−77B	+92N	2.0	12.5	13.5	2.00	846	0.0
76	FIDE 521066795	0	—	−32N	+86B	−65N	−57B	−51N	+98B	2.0	12.5	12.5	1.50	1309	0.0
77	Buto, Alysah	1694	PHI	−66N	−74B	−56N	+96B	+75N	−41B	2.0	11.5	11.5	2.00	699	-30.0
78	FIDE 5238560	0	—	F	−70B	+101N	+51B	−60N	−48N	2.0	10.5	10.5	3.00	1351	0.0
79	Omadto, Lysa Rose	0	PHI	−37B	−63N	+90B	−43N	+98N	−?B	2.0	9.5	9.5	1.00	780	0.0
80	FIDE 584002034	0	—	−43B	−42N	F	+91B	−81N	+97N	2.0	9.0	9.0	1.00	724	0.0
81	Medrano, Dioniver	1553	PHI	F	F	+98N	−69B	+80B	F	2.0	7.0	7.0	2.00	951	-9.6
82	FIDE 584001941	0	—	−4B	=50N	−23B	−87N	−86N	+96B	1.5	15.0	15.0	1.50	1409	0.0
83	Teves, Clark Lois	1757	PHI	F	−2B	−45N	+97B	=59N	−63B	1.5	14.0	14.0	1.25	1358	-78.8
84	FIDE 521065470	0	—	+72N	−15B	−58N	=60B	−56N	−88B	1.5	13.5	14.5	3.25	1480	0.0
85	Ting, Robbie Vincent	1664	PHI	F	−34B	+91N	−40N	=61B	−30N	1.5	13.5	13.5	2.25	1378	-54.4
86	De Leon, Yushua Zakiy Ismail	1491	PHI	−40B	−76N	=87B	−49N	+82B	−52N	1.5	12.5	14.0	2.25	1091	-3.2
87	Ramones, King Matthew	0	PHI	−22N	−57B	=86N	+82B	F	−64N	1.5	12.0	12.0	2.25	1270	0.0
88	Mamark, Chanon	1471	THA	−8N	F	−22B	−67N	−52B	+84N	1.0	15.0	15.0	1.50	990	-11.2
89	FIDE 584001950	0	—	−6N	−25B	−52N	−75B	+96N	−93B	1.0	14.5	14.5	0.00	1004	0.0
90	Singh, Vihaan	0	PHI	−31N	−61B	−79N	F	+91B	−47N	1.0	12.0	12.0	1.00	721	0.0
91	FIDE 584001925	0	—	−20B	+49N	−85B	−80N	−90N	−94B	1.0	11.5	12.5	3.00	980	0.0
92	Sister, Rene	0	PHI	−38B	−47N	+96B	−39N	−?N	−75B	1.0	11.0	11.0	0.00	716	0.0
93	FIDE 521098220	0	—	−58N	F	−68B	−48N	−74B	+89N	1.0	10.5	10.5	1.00	770	0.0
94	FIDE 521098212	0	—	−36B	−48N	−51N	−?B	F	+91N	1.0	10.0	10.0	1.00	719	0.0
95	Legaspi, Jose Rafael	2077	PHI	+63B	F	F	F	F	F	1.0	2.5	2.5	2.50	2477	+1.6
96	FIDE 584001984	0	—	−60N	−24B	−92N	−77N	−89B	−82N	0.0	11.0	12.0	0.00	861	0.0
97	FIDE 584001933	0	—	F	−4N	−64B	−83N	F	−80B	0.0	11.0	11.0	0.00	956	0.0
98	FIDE 521080909	0	—	F	−55N	−81B	−61N	−79B	−76N	0.0	11.0	11.0	0.00	786	0.0
99	Liwat, Lowell	1673	PHI	F	−12B	−73N	F	F	F	0.0	10.5	10.5	0.00	895	-38.4
100	Gerero, Zoe Chris	0	PHI	F	−62N	−71B	F	−46N	−51B	0.0	10.5	10.5	0.00	842	0.0
101	FIDE 584001976	0	—	−21B	−35N	−78B	F	F	F	0.0	10.5	10.5	0.00	871	0.0
102	Vihaan, Singh	0	PHI	−44N	F	−35B	F	F	F	0.0	8.5	8.5	0.00	774	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Tagal, Ada KishaPHI
+96.0
3.0 pts · #26
2De Luna, AdrianPHI
+88.0
4.0 pts · #25
3Quinto, Stephen ZanePHI
+69.6
5.0 pts · #19

Top rating losers

1Chua, Zion El GabrielPHI
-96.0
2.5 pts · #65
2Teves, Clark LoisPHI
-78.8
1.5 pts · #70
3Ting, Robbie VincentPHI
-54.4
1.5 pts · #74

Biggest upsets

R4+384 Elo gap
Marcelo, Anasco Jr1441 beat Chua, Zion El Gabriel1825
R4+369 Elo gap
Tagal, Ada Kisha1477 beat Lo, Cheuk Wai1846
R2+319 Elo gap
Ronald, Pernez1681 beat Tunguia, Eduardo2000