2026 National Age Group Chess Championship - Standard Event U10 Boys

Open SwissStandard

40 players participated in this 7-round tournament, held from 04 Jun 2026 to 06 Jun 2026 in Olongapo City, Philippines. Top 10 Elo average was 1595, and top seed was Marius Constante (🇵🇭 PHI, 1851).

Navi Icalina (🇵🇭 PHI, 1671) won with 6.0/7, ahead of Marius Constante (6.0) and Marco Polo Sanido (6.0). Icalina won on tie-break after catching the field in the final round.

The biggest upset came in round 7: Navi Icalina (1671) beat Marius Constante (1851), a +180-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 · 7 rounds

Top seed

🇵🇭Marius Constante1851

Avg top 10

1,595

Participants

Federations · 1 represented

🇵🇭Philippines×18

Top 3

🥇
Navi Icalina
🇵🇭PHI·1671
6.0pts·1772perf+16.0
🥈
Marius Constante
🇵🇭PHI·1851
6.0pts·1803perf-8.0
🥉
Marco Polo Sanido
🇵🇭PHI·1695
6.0pts·1718perf+4.8

How it unfolded

Top 6 · 7 rounds

Tight race until R5; 3 players tied at 6.0/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.

Co-leaders

Constante6Sanido6Icalina6Tena5.5Janaban5.55

R5–R7 · LEAD HELD

Marius Constante held the sole lead from R5 through R7 without losing it.

R7 · TIEBREAK CLUSTER

3 players finish on 6.0/7. Icalina takes the title on Buchholz Cut1 (26.5).

WIN STREAKS · 3 top finishers

Marius Constante 6 wins (R1–R6)Marco Polo Sanido 3+3 wins (R1–R3, R5–R7)Navi Icalina 4 wins (R4–R7)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Marius Constante	*	—	0	—
2Marco Polo Sanido	—	*	—	—
3Navi Icalina	1	—	*	—
4Ej Kiel Tena	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Icalina, Navi	1671	PHI	+29B	+15N	−6B	+24N	+9B	+12N	+2N	6.0	26.5	29.5	24.50	1772	+16.0
2	Constante, Marius	1851	PHI	+35B	+34N	+26B	+6N	+12B	+4N	−1B	6.0	25.5	27.0	21.00	1803	-8.0
3	Sanido, Marco Polo	1695	PHI	+27N	+38B	+14N	−12B	+13N	+8B	+6N	6.0	25.0	26.0	22.00	1718	+4.8
4	Janaban, Julio Jr	1490	PHI	+8B	+17N	=7B	+19N	+5B	−2B	+12N	5.5	29.5	33.5	25.00	1668	+25.6
5	Tena, Ej Kiel	0	PHI	+?B	=?N	+22B	+26N	−4N	+14B	+13N	5.5	20.0	20.0	14.50	1554	0.0
6	Manguera, Theidosios	1519	PHI	+40N	+18B	+1N	−2B	+15N	+22B	−3B	5.0	29.5	30.5	18.50	1614	+12.4
7	Fernandez, Kyrie	1583	PHI	+11N	=19B	=4N	+10B	−8N	+15B	+16N	5.0	27.5	31.5	21.75	1490	-5.2
8	FIDE 521081549	0	—	−4N	+?B	+30N	+14B	+7B	−3N	+?B	5.0	23.5	23.5	12.00	1586	0.0
9	Cardino, Lorenzo	0	PHI	−18N	+40B	+38N	+33B	−1N	+19B	=11N	4.5	22.0	23.0	10.75	871	0.0
10	FIDE 521060592	0	—	−13B	+?N	+34B	−7N	=20N	+25B	+22N	4.5	21.5	21.5	10.50	717	0.0
11	Hombrebueno, Yojuan Rixzy	0	PHI	−7B	+39N	=25B	=?N	+26B	+?N	=9B	4.5	16.5	16.5	7.75	1550	0.0
12	Acebedo, Lanz Arpil Jhay	1570	PHI	+24B	+32N	+13B	+3N	−2N	−1B	−4B	4.0	30.5	33.5	16.00	1560	-4.8
13	Victoria, Ethan Matthew	1451	PHI	+10N	+30B	−12N	+18B	−3B	+33N	−5B	4.0	27.0	29.5	14.00	833	-21.6
14	Reyes, Levon Ysrael	1559	PHI	+37B	+25N	−3B	−8N	+24B	−5N	+32B	4.0	25.5	26.5	10.00	895	-12.8
15	FIDE 584005041	0	—	+?N	−1B	+20N	+?B	−6B	−7N	+26B	4.0	23.0	23.0	7.00	1496	0.0
16	FIDE 521058393	0	—	−32B	−24N	+35B	+28N	+21B	+17N	−7B	4.0	22.0	23.5	12.50	783	0.0
17	FIDE 521073414	0	—	+?N	−4B	+21N	+?B	−22N	−16B	+28B	4.0	20.0	20.0	7.00	690	0.0
18	FIDE 521061645	0	—	+9B	−6N	+28B	−13N	+?B	−?N	+24B	4.0	19.5	19.5	10.50	692	0.0
19	Pitogo, Jarvis Rain	0	PHI	+39B	=7N	+?B	−4B	=25N	−9N	+?B	4.0	19.0	19.0	5.00	1526	0.0
20	Dellera, Caiden Marcus	0	PHI	−25B	+37N	−15B	+38N	=10B	+29N	=?N	4.0	16.5	16.5	7.25	1506	0.0
21	FIDE 584005033	0	—	−?B	+?N	−17B	+?N	−16N	+35B	+25N	4.0	12.5	12.5	4.50	705	0.0
22	Calara, Liam Rankine	0	PHI	=23N	+?B	−5N	+31B	+17B	−6N	−10B	3.5	25.5	25.5	8.75	1513	0.0
23	FIDE 584005050	0	—	=22B	=28N	−24B	=?N	+27N	−?B	+34N	3.5	14.5	14.5	8.25	706	0.0
24	Josue, Gabriel Lucas	0	PHI	−12N	+16B	+23N	−1B	−14N	+36B	−18N	3.0	25.5	27.0	9.00	800	0.0
25	FIDE 521041377	0	—	+20N	−14B	=11N	+27B	=19B	−10N	−21B	3.0	25.0	28.0	11.25	759	0.0
26	Andrada, Harvey Abelardo	1563	PHI	+36N	+33B	−2N	−5B	−11N	+37B	−15N	3.0	24.0	25.0	5.00	1051	-6.4
27	FIDE 521049920	0	—	−3B	+?B	=31N	−25N	−23B	+?N	=33B	3.0	18.0	18.0	2.75	895	0.0
28	FIDE 521082251	0	—	=?N	=23B	−18N	−16B	+?N	+34B	−17N	3.0	17.5	17.5	3.75	1506	0.0
29	FIDE 521080615	0	—	−1N	−?B	+?N	+30B	−33N	−20B	+37N	3.0	16.5	16.5	4.00	871	0.0
30	FIDE 521082367	0	—	+?B	−13N	−8B	−29N	=35B	=31N	+?N	3.0	16.5	16.5	2.25	651	0.0
31	FIDE 521070407	0	—	−34B	+35N	=27B	−22N	−?N	=30B	+39N	3.0	14.0	14.0	5.50	706	0.0
32	FIDE 521070423	0	—	+16N	−12B	−?N	−36B	+?N	+?B	−14N	3.0	13.5	13.5	4.00	765	0.0
33	Sacay, Drake Elizear	0	PHI	F	−26N	+36B	−9N	+29B	−13B	=27N	2.5	19.0	19.0	6.00	707	0.0
34	FIDE 584004975	0	—	+31N	−2B	−10N	−37B	+40B	−28N	−23B	2.0	21.0	22.0	4.00	1051	0.0
35	FIDE 521070270	0	—	−2N	−31B	−16N	+?B	=30N	−21N	−?B	1.5	20.0	20.0	1.50	1051	0.0
36	FIDE 521072671	0	—	−26B	F	−33N	+32N	−?B	−24N	=?B	1.5	11.5	11.5	3.00	734	0.0
37	FIDE 521062129	0	—	−14N	−20B	F	+34N	−?B	−26N	−29B	1.0	16.0	16.0	2.00	761	0.0
38	FIDE 521089779	0	—	+?N	−3N	−9B	−20B	−?N	−?B	F	1.0	14.5	14.5	0.00	895	0.0
39	FIDE 584004983	0	—	−19N	−11B	−?N	−?B	F	+40N	−31B	1.0	12.5	12.5	1.00	706	0.0
40	FIDE 584005025	0	—	−6B	−9N	−?B	F	−34N	−39B	+?B	1.0	12.5	12.5	0.00	719	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Janaban, Julio JrPHI
+25.6
5.5 pts · #9
2Icalina, NaviPHI
+16.0
6.0 pts · #5
3Manguera, TheidosiosPHI
+12.4
5.0 pts · #12

Top rating losers

1Victoria, Ethan MatthewPHI
-21.6
4.0 pts · #19
2Reyes, Levon YsraelPHI
-12.8
4.0 pts · #39
3Constante, MariusPHI
-8.0
6.0 pts · #1

Biggest upsets

R7+180 Elo gap
Icalina, Navi1671 beat Constante, Marius1851
R3+152 Elo gap
Manguera, Theidosios1519 beat Icalina, Navi1671
R4+125 Elo gap
Acebedo, Lanz Arpil Jhay1570 beat Sanido, Marco Polo1695