2026 National Age Group Chess Championship - Standard Event U12 Girls

Open SwissStandard

40 players participated in this 8-round tournament, held from 04 Jun 2026 to 06 Jun 2026 in Olongapo City, Philippines. 2 federations represented. Top 10 Elo average was 1603, and top seed was Khana Kathrine Ventolero (🇵🇭 PHI, 1749).

Khana Kathrine Ventolero (🇵🇭 PHI, 1749) won with 7.5/8, ahead of Elle Castronuevo (6.0) and Kiara Nadjeane Burgos (6.0). Ventolero won solo starting round 4.

The biggest upset came in round 8: Jorgeena Ameerah Lumangyao (1430) beat Margarette Louise De Leon (1640), a +210-point gap.

Location

🇵🇭Olongapo City, Philippines

Dates

04 Jun 2026 → 06 Jun 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 8 rounds

Top seed

🇵🇭Khana Kathrine Ventolero1749

Avg top 10

1,603

Participants

Federations · 2 represented

🇵🇭Philippines×23

FIDE (no federation)×1

Top 3

🥇
Khana Kathrine Ventolero
🇵🇭PHI·1749
7.5pts·1994perf+51.2
🥈
Elle Castronuevo
🇵🇭PHI·1507
6.0pts·1636perf+27.2
🥉
Kiara Nadjeane Burgos
🇵🇭PHI
6.0pts·1592perf0.0

How it unfolded

Top 6 · 8 rounds

Khana Kathrine Ventolero led from R4; +1.5-point edge over the runner-up.

Co-leaders

Ventolero7.5Burgos6Castronuevo6Lumangyao6Sanchez5.55.5

R4–R8 · LEAD HELD

Khana Kathrine Ventolero never relinquished the lead after R4; final gap +1.5 over the runner-up.

R1–R6 · WIN STREAK

Khana Kathrine Ventolero won 6 in a row (R1–R6).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Khana Kathrine Ventolero	*	—	1	—
2Kiara Nadjeane Burgos	—	*	—	½
3Elle Castronuevo	0	—	*	—
4Jorgeena Ameerah Lumangyao	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	Pts	Bu C1	Bu	SB	Perf	Δ
1	Ventolero, Khana Kathrine	1749	PHI	+26B	+21N	+2B	+8N	+17B	+5N	=6B	+7N	7.5	36.5	40.0	37.25	1994	+51.2
2	Castronuevo, Elle	1507	PHI	+38N	+34B	−1N	+14B	+10N	−8N	+12B	+5B	6.0	36.0	37.0	24.00	1636	+27.2
3	Burgos, Kiara Nadjeane	0	PHI	+?B	=6N	−7B	+19N	+16B	=4N	+11N	+17B	6.0	36.0	36.0	24.75	1592	0.0
4	Lumangyao, Jorgeena Ameerah	1430	PHI	+27N	+23B	−5N	+28B	=18N	=3B	+25N	+10B	6.0	32.5	36.0	25.25	1602	+26.8
5	Sanchez, Krystelle Emerald	1615	PHI	+16B	+37N	+4B	=17N	+7B	−1B	+8N	−2N	5.5	40.0	42.0	26.25	1647	+12.0
6	Garcia, Kate Nathalie	1583	PHI	+32N	=3B	+15N	−10B	+24N	+9B	=1N	=8B	5.5	38.5	41.5	27.00	1518	-10.4
7	Barbosa, Reese Valerie	1616	PHI	=9N	+19B	+3N	+24B	−5N	+21N	+17B	−1B	5.5	37.5	41.5	25.75	1562	-8.4
8	Ibe, Hannah Zechariah	1541	PHI	+14N	+31B	+29N	−1B	+25N	+2B	−5B	=6N	5.5	37.0	40.0	24.25	1527	-4.8
9	FIDE 521064300	0	—	=7B	−22N	+33B	+?N	+30B	−6N	+18N	+20B	5.5	30.5	30.5	18.25	1583	0.0
10	De Leon, Margarette Louise	1640	PHI	+36B	=24N	=22B	+6N	−2B	+26N	+21B	−4N	5.0	33.0	35.5	19.50	1382	-41.2
11	Paredes, Althea Dominique	1533	PHI	+39B	+28N	−17B	+22N	−21B	+16N	−3B	+24N	5.0	31.0	32.0	17.50	897	-11.2
12	Caampued, Aaliyah Faith	0	PHI	−23N	+27B	−31N	+?B	+29N	+13B	−2N	+22B	5.0	29.0	29.0	16.00	707	0.0
13	Villanueva, Selina Maxine	0	PHI	=19N	+?B	=18N	−16N	+31B	−12N	+26B	+34B	5.0	28.0	28.0	13.50	1498	0.0
14	Lopez, Jheycel Jan	0	PHI	−8B	+?B	+?N	−2N	=22B	+30N	=15B	+21N	5.0	28.0	28.0	12.00	724	0.0
15	FIDE 521038830	0	—	=22B	+20N	−6B	+38N	−?B	+34N	=14N	+25B	5.0	26.5	26.5	16.50	694	0.0
16	FIDE 521069905	0	—	−5N	+?B	+23N	+13B	−3N	−11B	+?N	+?N	5.0	25.5	25.5	9.00	1392	0.0
17	Dorupa, Faith Louise	1697	PHI	+40N	+30B	+11N	=5B	−1N	+18B	−7N	−3N	4.5	37.5	38.5	16.75	1613	-22.8
18	Galang, Natalie	1551	PHI	=20B	+25N	=13B	+31N	=4B	−17N	−9B	+30N	4.5	33.0	36.0	18.25	1371	-18.4
19	Cortez, Alfiah	0	PHI	=13B	−7N	+20B	−3B	=?N	=?B	+27N	+?B	4.5	24.5	24.5	10.50	816	0.0
20	FIDE 5293774	0	—	=18N	−15B	−19N	+?B	+38B	+?N	+?N	−9N	4.5	20.5	20.5	3.25	1516	0.0
21	FIDE 521066248	0	—	+35N	−1B	+39N	+29B	+11N	−7B	−10N	−14B	4.0	34.0	35.0	12.00	1442	0.0
22	FIDE 521057923	0	—	=15N	+9B	=10N	−11B	=14N	=?B	+?N	−12N	4.0	30.5	30.5	13.00	1413	0.0
23	Sumayod, Ruth	0	PHI	+12B	−4N	−16B	+37N	−26B	−27N	+33B	+32B	4.0	29.0	31.0	13.00	630	0.0
24	Camus, Cleo Colleen	0	PHI	+?N	=10B	+?N	−7N	−6B	=28B	+29N	−11B	4.0	28.0	28.0	7.75	1414	0.0
25	Tiomico, Eli Sofia	0	PHI	+?N	−18B	+32N	+26N	−8B	+?N	−4B	−15N	4.0	27.5	27.5	6.50	1289	0.0
26	FIDE 521082200	0	—	−1N	+35B	+34N	−25B	+23N	−10B	−13N	=28B	3.5	31.5	34.0	10.75	895	0.0
27	Morier Hernandez, ALIA MADELEINE REMI	0	FID	−4B	−12N	+?N	−?B	=32N	+23B	−19B	+?N	3.5	22.5	22.5	5.50	636	0.0
28	FIDE 521090041	0	—	+?N	−11B	+37B	−4N	=?B	=24N	−?B	=26N	3.5	20.5	20.5	5.75	656	0.0
29	FIDE 521015538	0	—	+?N	+?B	−8B	−21N	−12B	+37N	−24B	=?N	3.5	20.5	20.5	2.00	1491	0.0
30	FIDE 584004835	0	—	+?N	−17N	=38B	+?B	−9N	−14B	+?N	−18B	3.5	20.5	20.5	0.50	824	0.0
31	Oncita, Ezra May	0	PHI	+?N	−8N	+12B	−18B	−13N	−?B	+37N	−?B	3.0	22.0	22.0	7.00	1291	0.0
32	FIDE 584004851	0	—	−6B	+?N	−25B	−34N	=27B	+40N	=?B	−23N	3.0	20.5	20.5	2.75	783	0.0
33	Mendez, Sophia Nathalie	0	PHI	−?N	=?B	−9N	=?B	−?N	+39B	−23N	+?B	3.0	10.5	10.5	1.00	641	0.0
34	Paras, Celestine Francheska	0	PHI	F	−2N	−26B	+32B	=?N	−15B	+?N	−13N	2.5	22.5	22.5	3.00	1281	0.0
35	FIDE 584004878	0	—	−21B	−26N	F	−?B	+39N	−?B	=38N	+36B	2.5	12.0	12.0	4.00	604	0.0
36	Dungca, Sophia Grace	0	PHI	−10N	−?B	−?N	+40B	−?N	+?B	=?B	−35N	2.5	8.5	8.5	1.00	722	0.0
37	FIDE 584004843	0	—	+?N	−5B	−28N	−23B	+?N	−29B	−31B	F	2.0	19.5	19.5	0.00	815	0.0
38	FIDE 521098182	0	—	−2B	F	=30N	−15B	−20N	−?B	=35B	−40N	1.0	22.5	22.5	3.00	707	0.0
39	FIDE 584004860	0	—	−11N	+?B	−21B	−?N	−35B	−33N	F	−?B	1.0	14.5	14.5	0.00	733	0.0
40	FIDE 584001011	0	—	−17B	−?N	−?B	−36N	F	−32B	−?N	+38B	1.0	11.0	11.0	1.00	897	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Ventolero, Khana KathrinePHI
+51.2
7.5 pts · #1
2Castronuevo, EllePHI
+27.2
6.0 pts · #5
3Lumangyao, Jorgeena AmeerahPHI
+26.8
6.0 pts · #6

Top rating losers

1De Leon, Margarette LouisePHI
-41.2
5.0 pts · #16
2Dorupa, Faith LouisePHI
-22.8
4.5 pts · #4
3Galang, NataliePHI
-18.4
4.5 pts · #21

Biggest upsets

R8+210 Elo gap
Lumangyao, Jorgeena Ameerah1430 beat De Leon, Margarette Louise1640
R5+133 Elo gap
Castronuevo, Elle1507 beat De Leon, Margarette Louise1640
R8+108 Elo gap
Castronuevo, Elle1507 beat Sanchez, Krystelle Emerald1615