Philippine National Youth and Schools Chess Championship U15 Boys

Open SwissStandard

36 players participated in this 7-round tournament, held from 20 Mar 2026 to 22 Mar 2026 in Dumaguete City, Negros Oriental, Philippines. Top 10 Elo average was 1803, and top seed was Mar Aviel Carredo (🇵🇭 PHI, 2081).

Mar Aviel Carredo (🇵🇭 PHI, 2081) won with 6.5/7, ahead of John Curt Valencia (5.5) and Quarl Maverick Vera Cruz (5.5). Carredo won solo starting round 5.

The biggest upset came in round 1: Zhyner Dwyne Elopre (1412) beat Ivan Resti Garcia (1719), a +307-point gap.

Location

🇵🇭Dumaguete City, Negros Oriental, Philippines

Dates

20 Mar 2026 → 22 Mar 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇵🇭Mar Aviel Carredo2081

Avg top 10

1,803

Participants

Federations · 1 represented

🇵🇭Philippines×33

Top 3

🥇
Mar Aviel Carredo
🇵🇭PHI·2081
6.5pts·2157perf+12.8
🥈
John Curt Valencia
🇵🇭PHI·1787
5.5pts·1950perf+53.6
🥉
Quarl Maverick Vera Cruz
🇵🇭PHI·1851
5.5pts·1951perf+34.0

How it unfolded

Top 6 · 7 rounds

Mar Aviel Carredo led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders

Carredo6.5Vera Cruz5.5Valencia5.5Young5Garcia4.5Ortaliz4.5

R5–R7 · LEAD HELD

Mar Aviel Carredo never relinquished the lead after R5; final gap +1.0 over the runner-up.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Mar Aviel Carredo drew with Quarl Maverick Vera Cruz (Black).

WIN STREAKS · 3 top finishers

Mar Aviel Carredo 5 wins (R1–R5)Quarl Maverick Vera Cruz 3 wins (R3–R5)John Curt Valencia 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Mar Aviel Carredo	*	½	1	1
2Quarl Maverick Vera Cruz	½	*	—	—
3John Curt Valencia	0	—	*	1
4Lord Yofiel Young	0	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Carredo, Mar Aviel	2081	PHI	+7B	+19N	+4B	+5N	+2B	=3N	+6B	6.5	29.5	33.0	30.25	2157	+12.8
2	Valencia, John Curt	1787	PHI	+8B	+15N	+9B	+11N	−1N	+4B	=13B	5.5	28.0	32.0	23.50	1950	+53.6
3	Vera Cruz, Quarl Maverick	1851	PHI	+21N	−5B	+26N	+19B	+18N	=1B	+12N	5.5	25.5	28.0	20.25	1951	+34.0
4	Young, Lord Yofiel	1732	PHI	+28B	+33N	−1N	+17B	+5B	−2N	+10N	5.0	26.5	28.0	16.00	1875	+53.2
5	Ortaliz, John Cedric	1659	PHI	+24B	+3N	+12B	−1B	−4N	+23N	=11B	4.5	28.0	31.0	17.50	1843	+56.0
6	Garcia, Ivan Resti	1719	PHI	−25N	+14B	+31N	+23B	=7N	+16B	−1N	4.5	24.5	26.0	14.75	1771	+20.4
7	Pagayona, Beau Adriel	1616	PHI	−1N	+34B	+32N	+14B	=6B	−13N	+18B	4.5	24.0	25.5	12.75	1747	+30.8
8	Cabreros, Nylanyer Francis	1540	PHI	−2N	+35B	−10N	+25B	=20N	+32B	+28N	4.5	19.0	19.5	8.25	1631	+16.8
9	Beltran, King Xyan	1662	PHI	+27N	+10B	−2N	=16B	−12N	+17B	=14N	4.0	25.5	28.0	14.50	1751	+28.8
10	Devibar, Ralz Jaweh	1832	PHI	+23B	−9N	+8B	=15N	=13B	+19N	−4B	4.0	25.0	28.0	15.00	1687	-49.6
11	Partosa, Markley	1756	PHI	+29N	+17B	=18N	−2B	−16N	+20B	=5N	4.0	25.0	27.0	13.50	1681	-23.2
12	Padayao, Lex	1763	PHI	+31B	=13N	−5N	+26B	+9B	=18N	−3B	4.0	24.0	25.5	11.75	1703	-20.4
13	Dayrit, Gabriel Kurt	1622	PHI	F	=12B	+25N	=18B	=10N	+7B	=2N	4.0	24.0	24.0	15.50	1810	+60.4
14	Fua, Marc Justinn	1680	PHI	=22B	−6N	+21B	−7N	+27B	+33N	=9B	4.0	22.5	24.0	11.25	1625	-15.2
15	Magallanes, Ran Zeth Marco	1648	PHI	+35N	−2B	+20N	=10B	−19N	+31B	=16N	4.0	22.0	22.5	9.50	1657	+1.6
16	Bernil, Noel Jr	1806	PHI	=26N	=25B	+33B	=9N	+11B	−6N	=15B	4.0	21.5	23.0	12.00	1660	-46.0
17	Catipay, Brett Pert	1641	PHI	+32B	−11N	+24B	−4N	+29B	−9N	+23B	4.0	21.0	22.5	9.50	1569	-19.6
18	Torres, Edrian	1699	PHI	+20B	+30N	=11B	=13N	−3B	=12B	−7N	3.5	25.5	27.5	11.50	1573	-34.0
19	Tubio, Jed Axcel	1694	PHI	+34N	−1B	+28N	−3N	+15B	−10B	=21N	3.5	25.5	27.0	9.25	1694	-5.6
20	Torres, Ethan	0	PHI	−18N	+21B	−15B	+30N	=8B	−11N	+31N	3.5	21.5	23.0	9.25	1571	0.0
21	Flores, John Paul	1601	PHI	−3B	−20N	−14N	+36B	+35B	+29N	=19B	3.5	19.0	19.0	4.25	1594	-3.6
22	Bajar, Bryan Mark	0	PHI	=14N	−26B	−29N	+34B	−31N	+24B	+32N	3.5	14.5	16.0	8.00	1241	0.0
23	Granada, Ethan Gavriel	1558	PHI	−10N	+27B	+30B	−6N	+28N	−5B	−17N	3.0	21.5	23.5	6.50	1429	-32.0
24	Buyo, Lexy Jules	0	PHI	−5N	+29B	−17N	−28B	+30B	−22N	+34B	3.0	18.0	19.5	5.50	1380	0.0
25	Elopre, Zhyner Dwyne	1412	PHI	+6B	=16N	−13B	−8N	−33B	F	+35N	2.5	21.0	21.5	7.00	1494	+15.2
26	Ong, Clarence	1548	PHI	=16B	+22N	−3B	−12N	−32N	−28B	+36N	2.5	20.5	20.5	5.50	1406	-26.0
27	Balderama, Francess Kit	0	PHI	−9B	−23N	+34N	=31B	−14N	F	+33B	2.5	16.5	18.0	3.75	1442	0.0
28	Pinero, Joseph	1493	PHI	−4N	F	−19B	+24N	−23B	+26N	−8B	2.0	21.5	21.5	5.50	1375	-28.0
29	Tumulak, Edgar Gonzalo	1497	PHI	−11B	−24N	+22B	+35N	−17N	−21B	−30B	2.0	20.0	20.5	4.00	866	-34.0
30	Ventolero, Ashley James	0	PHI	F	−18B	−23N	−20B	−24N	+36B	+29N	2.0	15.0	15.0	2.00	1460	0.0
31	Genoso, Lorenzo Gabriel	1527	PHI	−12N	F	−6B	=27N	+22B	−15N	−20B	1.5	22.0	22.0	4.75	910	-31.6
32	Tumarong, Dhoey Yussef	0	PHI	−17N	F	−7B	=33N	+26B	−8N	−22B	1.5	20.5	20.5	3.25	1426	0.0
33	Ng, Cedrick Jayden	1529	PHI	F	−4B	−16N	=32B	+25N	−14B	−27N	1.5	19.5	19.5	3.25	1464	-14.8
34	FIDE 521007071	0	—	−19B	−7N	−27B	−22N	+36N	=35B	−24N	1.5	17.5	17.5	0.25	856	0.0
35	FIDE 521081735	0	—	−15B	−8N	F	−29B	−21N	=34N	−25B	0.5	18.0	18.0	0.75	740	0.0
36	FIDE 521030430	0	—	F	F	F	−21N	−34B	−30N	−26B	0.0	15.0	15.0	0.00	775	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Dayrit, Gabriel KurtPHI
+60.4
4.0 pts · #8
2Ortaliz, John CedricPHI
+56.0
4.5 pts · #10
3Valencia, John CurtPHI
+53.6
5.5 pts · #3

Top rating losers

1Devibar, Ralz JawehPHI
-49.6
4.0 pts · #7
2Bernil, Noel JrPHI
-46.0
4.0 pts · #6
3Torres, EdrianPHI
-34.0
3.5 pts · #22

Biggest upsets

R1+307 Elo gap
Elopre, Zhyner Dwyne1412 beat Garcia, Ivan Resti1719
R2+192 Elo gap
Ortaliz, John Cedric1659 beat Vera Cruz, Quarl Maverick1851
R2+170 Elo gap
Beltran, King Xyan1662 beat Devibar, Ralz Jaweh1832