9th AQ Prime Standard Open Chess Tournament

Open SwissStandard

84 players participated in this 6-round tournament, held from 29 Mar 2026 to 30 Mar 2026 in Pasig City, Philippines. 3 federations represented. Top 10 Elo average was 1991, and top seed was Catrihino Pestano (🇵🇭 PHI, 2220).

Jonathan Jota (🇵🇭 PHI, 2134) won with 5.5/6, ahead of Jeremy Marticio (5.0) and Jin Clark Myco Miranda (5.0). Jota broke clear in the final round.

The biggest upset came in round 4: John Randall Peralta (1631) beat Catrihino Pestano (2220), a +589-point gap.

Location

🇵🇭Pasig City, Philippines

Dates

29 Mar 2026 → 30 Mar 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇵🇭Catrihino Pestano2220

Avg top 10

1,991

Participants

Federations · 3 represented

🇵🇭Philippines×66

FIDE (no federation)×2

🇮🇳India×1

Top 3

🥇
Jonathan Jota
🇵🇭PHI·2134
5.5pts·2264perf+12.4
🥈
Jeremy Marticio
🇵🇭PHI·1954
5.0pts·2071perf+18.2
🥉
Jin Clark Myco Miranda
🇵🇭PHI·1860
5.0pts·1975perf+30.0

How it unfolded

Top 6 · 6 rounds

Jonathan Jota led from R6; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.

Co-leaders

Jota5.5Marticio5Paraguya5Marticio5Batislaong5Miranda5

R6–R6 · LEAD HELD

Jonathan Jota held the sole lead from R6 through R6 without losing it.

WIN STREAKS · 2 top finishers

Jonathan Jota 4 wins (R1–R4)Yuri Lei Paraguya 3 wins (R1–R3)

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Jota, Jonathan	2134	PHI	+69B	+32N	+3B	+25N	=8B	+7N	5.5	20.5	22.0	19.75	2264	+12.4
2	Marticio, Jeremy	1954	PHI	+40B	+42N	+6B	+9N	−7B	+8N	5.0	21.5	24.5	20.00	2071	+18.2
3	Miranda, Jin Clark Myco	1860	PHI	+35B	+38N	−1N	+34B	+36N	+12B	5.0	18.5	21.5	16.00	1975	+30.0
4	Marticio, Jersey	2011	PHI	+43N	=37B	+52N	=12B	+15N	+17B	5.0	18.0	20.5	17.00	2020	+2.6
5	Paraguya, Yuri Lei	1887	PHI	+54B	+48N	+31B	−8B	+32N	+14N	5.0	18.0	20.5	16.00	2005	+35.6
6	Batislaong, Knarf Lawrence	1831	PHI	+60N	+34B	−2N	+56B	+13B	+25N	5.0	18.0	20.0	15.00	2056	+28.8
7	Abeleda, Ritchie James	1900	PHI	+41B	+16N	=18B	+27N	+2N	−1B	4.5	22.0	25.0	17.50	2011	+19.4
8	Abris, Cedric Kahlel	1998	PHI	+53B	+79N	+15B	+5N	=1N	−2B	4.5	22.0	23.0	15.25	2041	+9.2
9	Jullado, Eowyn	1864	PHI	+51N	+22B	+19N	−2B	=16N	+28B	4.5	20.5	23.0	16.00	1929	+10.2
10	Penafiel, Denniel	1741	PHI	=23N	+55B	−14N	+39B	+51N	+26B	4.5	17.0	19.5	13.50	1710	-2.2
11	Lumangcas, Jacint Louie	1732	PHI	+74B	−13N	+69B	+50N	=25B	+27B	4.5	15.0	16.5	10.75	1938	+42.4
12	Faeldonia, Jerick	1802	PHI	+61B	+24N	+13B	=4N	=14B	−3N	4.0	22.0	24.0	14.50	1917	+31.6
13	Costuna, Christian Erickson	1959	PHI	+36N	+11B	−12N	+20B	−6N	+34B	4.0	20.5	23.5	14.50	1820	-34.0
14	Carnese, Edwin	1793	PHI	+66B	=33N	+10B	+18N	=12N	−5B	4.0	20.5	22.5	14.00	1902	+11.4
15	Francisco, French Cobi	1834	PHI	+62B	+21N	−8N	+24B	−4B	+47N	4.0	20.5	22.5	13.00	1834	+2.8
16	Peralta, John Randall	1631	PHI	+46N	−7B	+65N	+19B	=9B	=18N	4.0	20.0	22.0	13.25	1883	+61.6
17	Azuela, David Leonard	1842	PHI	+59N	−20B	+26B	+38N	+21B	−4N	4.0	19.5	22.0	13.00	1720	-24.0
18	Teves, Clark Lois	1796	PHI	+80N	+56B	=7N	−14B	+41N	=16B	4.0	18.0	18.0	9.75	1752	-8.0
19	Pestano, Catrihino	2220	PHI	+47B	+71N	−9B	−16N	+45B	+38N	4.0	17.5	19.0	10.50	1952	-59.6
20	Castro, Josh Edmar	1627	PHI	+82B	+17N	−25B	−13N	+65B	+33N	4.0	16.5	16.5	9.00	1804	+32.0
21	Lopez, Alden Carl	1620	PHI	+67N	−15B	+60N	+44B	−17N	+37B	4.0	16.0	18.0	10.00	1793	+36.0
22	Utkarsh Ujjwal Jha	1632	IND	+84B	−9N	+54B	−33N	+43B	+35N	4.0	16.0	16.0	8.50	1746	+17.6
23	Legaspina, John Miguel	1675	PHI	=10B	−50N	+61B	=45N	+64N	+36B	4.0	15.0	17.0	10.75	1795	+24.4
24	Maximo, Roland Jr?	1604	PHI	+76N	−12B	+80N	−15N	+50B	+32B	4.0	14.5	14.5	6.50	1663	+8.8
25	Kis-ing, Christopher Khalil	1952	PHI	+70N	+63B	+20N	−1B	=11N	−6B	3.5	21.0	22.5	9.75	1817	-16.4
26	Ting, Robbie Vincent	0	PHI	=39N	+29B	−17N	+30B	+53B	−10N	3.5	18.5	21.0	11.00	1672	0.0
27	San Juan, Dennis	1892	PHI	+65N	=52B	+39N	−7B	+33B	−11N	3.5	17.5	19.5	9.25	1671	-25.6
28	Santos, Jalleysaq Vinyld Xen	0	PHI	=29N	−44B	+70N	+63B	+42B	−9N	3.5	16.0	17.5	8.25	1692	0.0
29	Gelua, Rhamielle Izelle	1604	PHI	=28B	−26N	+58B	−35N	+57B	+53N	3.5	15.0	17.5	9.25	2320	+15.2
30	Bernardino, Faye	1630	PHI	−33B	+66N	=35B	−26N	+58B	+40B	3.5	15.0	17.0	9.00	2293	+12.8
31	Maranan, Junsen Audric	1755	PHI	+81N	+64B	−5N	−36B	+69N	=56B	3.5	14.0	14.0	4.75	1624	-16.6
32	Anarna, Jon Mark	1730	PHI	+77N	−1B	+43N	+64B	−5B	−24N	3.0	19.5	20.5	6.00	1675	-19.6
33	Poquiz, Jhon Eirrol	0	PHI	+30N	=14B	=44N	+22B	−27N	−20B	3.0	19.0	22.0	11.00	1721	0.0
34	Cordova, Lennox Georges	1621	FID	+57B	−6N	+62B	−3N	+54B	−13N	3.0	19.0	21.0	7.00	1584	-10.8
35	Balana, Jerkielle	0	FID	−3N	+75B	=30N	+29B	=37N	−22B	3.0	19.0	20.5	8.25	1622	0.0
36	Pablo, John Raine	1498	PHI	−13B	+74N	+79B	+31N	−3B	−23N	3.0	18.0	19.0	6.00	1702	+44.4
37	Ellis, Arnel	1745	PHI	+49B	=4N	=50B	=53N	=35B	−21N	3.0	17.5	20.0	9.50	1592	-12.6
38	Magpantay, John Paul	1622	PHI	+75N	−3B	+59N	−17B	+60N	−19B	3.0	17.5	19.0	6.00	1107	-20.0
39	Borden, Mark Jayson Jr	1579	PHI	=26B	+45N	−27B	−10N	+76B	=46N	3.0	17.5	18.5	7.25	1618	+3.6
40	Borden, Gadwyn	1493	PHI	−2N	+78B	−42B	+49N	+48B	−30N	3.0	17.5	18.5	7.00	1506	-0.8
41	Castillo, Siegfred Siemund Joseph	1482	PHI	−7N	=46B	+55N	+52B	−18B	=42N	3.0	17.0	19.5	8.00	1656	+28.4
42	Cartel, Glenn Gerald	1642	PHI	+78N	−2B	+40N	=51B	−28N	=41B	3.0	17.0	18.0	6.75	1585	-13.6
43	Mack Lee, Aizyleen	1543	PHI	−4B	+49N	−32B	+61N	−22N	+80B	3.0	17.0	17.0	5.00	968	-28.8
44	Macato, Cedric Daniel	1752	PHI	=50B	+28N	=33B	−21N	−47B	+62N	3.0	16.0	18.0	8.25	798	-56.4
45	Tan, Mateo Joshua	1595	PHI	=55N	−39B	+72N	=23B	−19N	+51B	3.0	16.0	17.5	7.25	1578	-9.2
46	Padua, James Joshua	0	PHI	−16B	=41N	=47B	+62N	=52B	=39B	3.0	15.5	17.5	7.75	1511	0.0
47	Acebedo, Lanz Arpil Jhay	1576	PHI	−19N	=72B	=46N	+77B	+44N	−15B	3.0	15.5	16.5	6.25	1728	+18.8
48	Ornido, Adrian Martin	1629	PHI	+73N	−5B	−51N	+81B	−40N	+60B	3.0	14.0	14.0	3.50	797	-65.6
49	FIDE 5293774	0	—	−37N	−43B	+73N	−40B	+63N	+72B	3.0	12.5	14.0	5.00	1423	0.0
50	Gascon, Keith Aldridge	0	PHI	=44N	+23B	=37N	−11B	−24N	=69B	2.5	18.5	20.0	7.75	1623	0.0
51	Tendencia, Ataliey Ruinz	1412	PHI	−9B	+84N	+48B	=42N	−10B	−45N	2.5	18.0	18.0	4.50	1535	+24.4
52	Osena, King Alexander	1650	PHI	+83B	=27N	−4B	−41N	=46N	=59B	2.5	17.0	17.0	4.50	1522	-20.8
53	Apigo, Lizzie Jane	1520	PHI	−8N	+68B	+63N	=37B	−26N	−29B	2.5	16.5	18.5	5.50	1651	+10.8
54	Bragais, Magnus Hendrix	1456	PHI	−5N	+73B	−22N	+67B	−34N	=75B	2.5	15.5	17.0	4.25	903	-25.2
55	Tejada, Jerick	0	PHI	=45B	−10N	−41B	−66N	+67N	+73B	2.5	14.5	16.0	5.00	1333	0.0
56	Tolentino, Queen Sheylee	1596	PHI	F	−18N	+81B	−6N	+80B	=31N	2.5	12.5	12.5	1.75	1521	-9.6
57	Ronda, Ron Vincent	0	PHI	−34N	−60B	+68N	=70B	−29N	+71N	2.5	12.0	13.5	4.25	1527	0.0
58	FIDE 521064652	0	—	−63N	=70B	−29N	+72B	−30N	+77B	2.5	12.0	13.0	3.25	1278	0.0
59	Crame, Sean Calix	0	PHI	−17B	+82N	−38B	=76N	=71B	=52N	2.5	12.0	12.0	2.50	1522	-1.6
60	Andrada, Harvey Abelardo	0	PHI	−6B	+57N	−21B	+71N	−38B	−48N	2.0	17.5	19.0	4.00	1450	0.0
61	Argamosa, Pablito	0	PHI	−12N	+76B	−23N	−43B	+68N	−64B	2.0	15.0	16.0	3.00	848	0.0
62	FIDE 521082383	0	—	−15N	+67B	−34N	−46B	+77N	−44B	2.0	15.0	16.0	3.00	935	0.0
63	Anarna, Nathan Jon	1684	PHI	+58B	−25N	−53B	−28N	−49B	+82B	2.0	15.0	15.0	2.50	936	-35.6
64	Cruz, Alvin	1572	PHI	F	−31N	+71B	−32N	−23B	+61N	2.0	14.0	14.0	3.50	1533	-7.2
65	Mariano, Juan Miguel	1463	PHI	−27B	+83N	−16B	+74N	−20N	F	2.0	13.0	13.0	1.50	907	-25.6
66	FIDE 521058407	0	—	−14N	−30B	−78N	+55B	=73N	=76B	2.0	12.5	13.5	3.75	912	0.0
67	FIDE 521066795	0	—	−21B	−62N	+83B	−54N	−55B	+81N	2.0	11.0	11.0	0.00	738	0.0
68	Magpantay, Lance Marcelo	0	PHI	−79B	−53N	−57B	+82N	−61B	+83N	2.0	8.0	8.0	0.00	800	0.0
69	Aragon, Xianle Klent	1569	PHI	−1N	+77B	−11N	F	−31B	=50N	1.5	17.0	18.0	2.25	1019	-24.8
70	Mesina, Justine	1483	PHI	−25B	=58N	−28B	=57N	F	=74B	1.5	13.5	14.5	3.25	1083	-3.2
71	Lucion, Rommel	1746	PHI	+72N	−19B	−64N	−60B	=59N	−57B	1.5	13.0	14.5	2.75	1059	-16.2
72	Gerero, Zoe Chris	0	PHI	−71B	=47N	−45B	−58N	+83B	−49N	1.5	13.0	13.0	1.50	1366	0.0
73	FIDE 521080380	0	—	−48B	−54N	−49B	+83N	=66B	−55N	1.5	13.0	13.0	1.00	743	0.0
74	Laroa, Gradz Eman	0	PHI	−11N	−36B	+75N	−65B	F	=70N	1.5	12.5	13.5	2.25	1222	0.0
75	FIDE 521080895	0	—	−38B	−35N	−74B	F	+81N	=54N	1.5	10.0	10.0	1.25	1346	0.0
76	FIDE 521062170	0	—	−24B	−61N	F	=59B	−39N	=66N	1.0	13.5	13.5	2.25	792	0.0
77	FIDE 521062870	0	—	−32B	−69N	+84B	−47N	−62B	−58N	1.0	12.0	12.0	0.00	824	0.0
78	FIDE 521086761	0	—	−42B	−40N	+66B	F	F	F	1.0	11.0	11.0	2.00	768	0.0
79	Cervantes, Kurt Brayden	1680	PHI	+68N	−8B	−36N	F	F	F	1.0	11.0	11.0	2.00	948	-34.8
80	FIDE 521061343	0	—	−18B	F	−24B	F	−56N	−43N	0.0	14.5	14.5	0.00	835	0.0
81	FIDE 521080364	0	—	−31B	F	−56N	−48N	−75B	−67B	0.0	12.5	12.5	0.00	860	0.0
82	FIDE 521086796	0	—	−20N	−59B	F	−68B	F	−63N	0.0	10.5	10.5	0.00	856	0.0
83	FIDE 521086753	0	—	−52N	−65B	−67N	−73B	−72N	−68B	0.0	10.0	11.5	0.00	757	0.0
84	FIDE 521086770	0	—	−22N	−51B	−77N	F	F	F	0.0	9.0	9.0	0.00	722	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Peralta, John RandallPHI
+61.6
4.0 pts · #16
2Pablo, John RainePHI
+44.4
3.0 pts · #31
3Lumangcas, Jacint LouiePHI
+42.4
4.5 pts · #23

Top rating losers

1Ornido, Adrian MartinPHI
-65.6
3.0 pts · #77
2Pestano, CatrihinoPHI
-59.6
4.0 pts · #10
3Macato, Cedric DanielPHI
-56.4
3.0 pts · #75

Biggest upsets

R4+589 Elo gap
Peralta, John Randall1631 beat Pestano, Catrihino2220
R3+356 Elo gap
Jullado, Eowyn1864 beat Pestano, Catrihino2220
R4+257 Elo gap
Pablo, John Raine1498 beat Maranan, Junsen Audric1755