2025 Batang Pinoy Standard Chess Championship 12AC Boys

Open SwissStandard

80 players participated in this 9-round tournament, held from 25 Oct 2025 to 26 Oct 2025 in General Santos City, Philippines. Top 10 Elo average was 1698, and top seed was Sebastian Damonsong (🇵🇭 PHI, 1796).

Sebastian Damonsong (🇵🇭 PHI, 1796) won with 8.5/9, ahead of Steve Zacky Bolico (7.5) and Miykael Jerahmiel Lapad (7.0). Damonsong won solo starting round 5.

The biggest upset came in round 5: Daniel Euel Maligaya (1508) beat John Reymar Eroja (1755), a +247-point gap.

Location

🇵🇭General Santos City, Philippines

Dates

25 Oct 2025 → 26 Oct 2025

Time control

Standard: 30 minutes for game with 30 seconds increment from move 1

System

Swiss · 9 rounds

Top seed

🇵🇭Sebastian Damonsong1796

Avg top 10

1,698

Participants

Federations · 1 represented

🇵🇭Philippines×76

Top 3

🥇
Sebastian Damonsong
🇵🇭PHI·1796
8.5pts·2056perf+60.8
🥈
Steve Zacky Bolico
🇵🇭PHI·1640
7.5pts·1839perf+61.6
🥉
Miykael Jerahmiel Lapad
🇵🇭PHI
7.0pts·1689perf0.0

How it unfolded

Top 6 · 9 rounds

Sebastian Damonsong led from R5; +1.0-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R5.

Co-leaders

Damonsong8.5Bolico7.5Lapad7Gementiza6.5Boyo6.5Lubaton6.5

R5–R9 · LEAD HELD

Sebastian Damonsong never relinquished the lead after R5; final gap +1.0 over the runner-up.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Sebastian Damonsong drew with Steve Zacky Bolico (Black).

WIN STREAKS · 3 top finishers

Sebastian Damonsong 5+3 wins (R1–R5, R7–R9)Steve Zacky Bolico 3 wins (R1–R3)Miykael Jerahmiel Lapad 4 wins (R6–R9)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Sebastian Damonsong	*	½	1	—
2Steve Zacky Bolico	½	*	—	—
3Miykael Jerahmiel Lapad	0	—	*	—
4Zedrick Gementiza	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Damonsong, Sebastian	1796	PHI	+40B	+3N	+14B	+17N	+4B	=2N	+7B	+12N	+13B	8.5	51.0	56.0	52.25	2056	+60.8
2	Bolico, Steve Zacky	1640	PHI	+61B	+71N	+29B	=5N	+12B	=1B	+11N	+4N	=9B	7.5	49.5	52.5	41.75	1839	+61.6
3	Lapad, Miykael Jerahmiel	0	PHI	+?B	−1B	+53N	+40N	−28B	+50N	+14B	+17N	+12B	7.0	44.0	44.0	30.50	1689	0.0
4	Bagaybagayan, Jo Sean	1663	PHI	+27N	+62B	+50N	+15B	−1N	+30B	=10N	−2B	+21N	6.5	48.5	52.0	32.75	1641	-5.2
5	Lubaton, Andrian	1683	PHI	+55N	+16B	+43N	=2B	=34N	−12B	+22N	+29B	=8N	6.5	46.0	50.0	34.50	1672	-1.6
6	Balines, Neil Angelo	1724	PHI	+49N	+21B	−15N	=62B	+36N	=22B	+23N	=10B	+24N	6.5	44.0	47.5	33.75	1616	-18.8
7	Ballao, Marcus Dalton	1530	PHI	+53N	−50B	+78N	+42B	+20N	+17B	−1N	+32B	=10N	6.5	43.5	45.0	29.25	1838	+48.0
8	Maligaya, Daniel Euel	1508	PHI	+54N	+42B	−17N	+52B	+44N	+15B	−12N	+18B	=5B	6.5	42.5	46.5	31.75	1705	+64.4
9	Pagatpatan, Ruel	1601	PHI	=24N	=51B	=63N	+59B	+49N	=32B	+20N	+26B	=2N	6.5	41.5	45.0	32.25	1665	+7.2
10	Gementiza, Zedrick	0	PHI	+?B	=18N	+?B	=31N	+14B	+28N	=4B	=6N	=7B	6.5	41.0	41.0	26.00	1689	0.0
11	Boyo, Walter Fenix	0	PHI	+13B	=?N	+23B	=28N	=18B	+?N	−2B	+19N	+32B	6.5	40.0	40.0	27.25	1683	0.0
12	Abundo, Don Lester	1632	PHI	+64B	+26N	+33B	+34B	−2N	+5N	+8B	−1B	−3N	6.0	51.5	55.0	32.00	1732	+25.2
13	Coming, John David	1694	PHI	−11N	+80B	=55N	+48B	+21N	+24B	=18N	+30B	−1N	6.0	45.0	46.0	26.25	1636	-9.6
14	Givero, Gabriel	1618	PHI	+63B	+76N	−1N	+56B	−10N	+31B	−3N	+68B	+29N	6.0	42.5	44.5	22.50	1643	+2.4
15	Bolanos, Henrick Marello	1586	PHI	+78B	+75N	+6B	−4N	=31B	−8N	=67B	+33N	+35B	6.0	40.0	41.5	24.50	1601	+3.2
16	Abrera, Ezekiel Paul	0	PHI	+57B	−5N	−19B	+66N	−45B	+70N	+53B	+28N	+30N	6.0	38.0	41.0	24.50	1638	0.0
17	Chua, Aedan Gavin	1658	PHI	+73B	+74N	+8B	−1B	+29N	−7N	+40B	−3B	=23N	5.5	47.0	49.5	24.75	1564	-24.0
18	Decastillo, Zyle	1571	PHI	+65N	=10B	=20N	+50B	=11N	+34B	=13B	−8N	=25B	5.5	45.5	49.0	27.50	1625	+8.8
19	Lupena, Prince Lawrence	0	PHI	=36N	=30B	+16N	=21B	−22N	+38B	+34N	−11B	+43N	5.5	43.5	48.0	28.25	1569	0.0
20	Sevillano, Sean Ethan	0	PHI	+46B	=23N	=18B	+35N	−7B	+33N	−9B	=31N	+?B	5.5	43.5	43.5	22.50	1560	0.0
21	Runez, Nathaniel	0	PHI	+?B	−6N	+45B	=19N	−13B	+51N	+44B	+42N	−4B	5.5	42.0	42.0	20.25	1512	0.0
22	Decasa Basilio, Lionel	1505	PHI	+45B	=67N	−31B	+64N	+19B	=6N	−5B	=37N	+42B	5.5	41.0	44.0	25.25	1503	-0.4
23	Balibalos, Tito Lorenzo Sean	1496	PHI	+70N	=20B	−11N	+51B	=55N	+68B	−6B	+40N	=17B	5.5	40.0	43.0	22.50	1488	-0.8
24	Ferrer, Bob Arvie	0	PHI	=9B	−28N	+60B	+38N	+?B	−13N	+?B	+?N	−6B	5.5	33.0	33.0	12.25	1665	0.0
25	Vicente, Luben	0	PHI	+?N	−35B	−49N	+78B	+27N	+46B	−30N	+?B	=18N	5.5	31.5	31.5	14.25	1502	0.0
26	Bonsocan, Von Gerald	0	PHI	+?N	−12B	=?B	=?N	+52N	+43B	+35B	−9N	=31B	5.5	31.0	31.0	16.00	1649	0.0
27	Cerera, Nel Jhon	0	PHI	−4B	−57N	+?B	+75N	−25B	+76N	=?B	+?N	+47B	5.5	25.0	25.0	9.00	1604	0.0
28	Barinan, Casey Josh	1633	PHI	=59N	+24B	+48N	=11B	+3N	−10B	−29N	−16B	+55N	5.0	45.0	49.0	26.25	689	-27.6
29	Amores, Amir	1489	PHI	+39N	+52B	−2N	+41B	−17B	+45N	+28B	−5N	−14B	5.0	45.0	49.0	23.50	1405	-18.8
30	Modesto, David Francis	1539	PHI	=58B	=19N	+66B	+33N	+37B	−4N	+25B	−13N	−16B	5.0	43.5	47.0	23.75	879	-24.8
31	Asuncion, Lar Prince	0	PHI	=51N	+59B	+22N	=10B	=15N	−14N	=?B	=20B	=26N	5.0	43.0	43.0	23.25	1618	0.0
32	Bautista, Raydhien Miguel	1690	PHI	+60B	−33N	=64B	+57N	+67B	=9N	+37B	−7N	−11N	5.0	41.0	44.0	21.00	1372	-33.2
33	Ablog, Joel James	0	PHI	+?N	+32B	−12N	−30B	+39N	−20B	+41N	−15B	+67N	5.0	40.5	40.5	18.00	1421	0.0
34	Gumaan, Hamza	1673	PHI	+72B	+68N	+35B	−12N	=5B	−18N	−19B	=55N	+58B	5.0	39.5	42.5	20.25	1518	-34.8
35	Francisco, Gian Carlisle	1523	PHI	+66B	+25N	−34N	−20B	+54N	+55B	−26N	+67B	−15N	5.0	39.0	42.0	20.00	830	-28.4
36	Navarro, John Timothy	1496	PHI	=19B	+69N	−67B	+63N	−6B	+48N	−42B	+50N	=37B	5.0	36.5	39.5	20.25	908	-9.2
37	Barro, Brent Ross	0	PHI	−52N	+70B	+?N	+43B	−30N	+44B	−32N	=22B	=36N	5.0	36.5	36.5	17.25	1586	0.0
38	Acaban, Nicholo Calix	0	PHI	−50N	+65B	=51N	−24B	+63B	−19N	+60B	=?N	+53B	5.0	34.0	34.0	17.00	1641	0.0
39	Maru, Anthony Cris Elli	0	PHI	−29B	−40N	+73B	+72N	−33B	=?N	=48B	+56B	+68N	5.0	32.5	32.5	15.25	1317	0.0
40	Bautista, Nathan Edison	0	PHI	−1N	+39B	+?N	−3B	+?N	+?B	−17N	−23B	+?B	5.0	31.5	31.5	5.00	1614	0.0
41	Talimbatog, Jacob	0	PHI	+?N	−43B	+74B	−29N	−68B	+58N	−33B	+73N	+?B	5.0	27.0	27.0	9.50	1422	0.0
42	Salazar, Charles Dave	0	PHI	+47B	−8N	+68B	−7N	=56N	+62B	+36N	−21B	−22N	4.5	41.0	44.0	18.00	1317	0.0
43	Gacutan, Zyluj Ezekiel	1531	PHI	+77B	+41N	−5B	−37N	+53B	−26N	+45B	=47N	−19B	4.5	40.5	42.5	17.75	883	-12.0
44	Eroja, John Reymar	1755	PHI	−71B	+61N	+72B	+67N	−8B	−37N	−21N	+54B	=49N	4.5	35.5	38.5	16.25	708	-32.4
45	Laurente, Renzo Jay	0	PHI	−22N	+?B	−21N	+?B	+16N	−29B	−43N	+62B	=46N	4.5	34.5	34.5	11.75	708	0.0
46	Ando, Elveece Menard	0	PHI	−20N	+54B	=76B	=58N	+57B	−25N	=50B	=?N	=45B	4.5	33.5	33.5	15.25	1620	0.0
47	Ali, Jaheer Danish	0	PHI	−42N	−53B	−54N	+77B	+78N	+?B	+52N	=43B	−27N	4.5	30.0	30.0	9.75	1531	0.0
48	Bellosillo, Lance Zandrei	0	PHI	+?B	=?N	−28B	−13N	+69B	−36B	=39N	=51N	+?B	4.5	28.0	28.0	7.50	1496	0.0
49	Bolo, Rhys Andrew	0	PHI	−6B	+?N	+25B	=?N	−9B	−?N	=51B	+?N	=44B	4.5	27.0	27.0	9.75	1453	0.0
50	Ramos, Markus Migar	0	PHI	+38B	+7N	−4B	−18N	+?N	−3B	=46N	−36B	=59N	4.0	44.0	44.0	15.75	1372	0.0
51	Mendoza, Zacheous Vinsenth	0	PHI	=31B	=9N	=38B	−23N	+60B	−21B	=49N	=48B	=?N	4.0	40.5	40.5	16.75	1355	0.0
52	Velasco, Vien Mark	0	PHI	+37B	−29N	+71B	−8N	−26B	+74N	−47B	−58N	+75B	4.0	36.0	38.5	13.00	699	0.0
53	Hull, Ebhram	0	PHI	−7B	+47N	−3B	+74N	−43N	+?B	−16N	+?B	−38N	4.0	36.0	36.0	7.00	731	0.0
54	Laglagaron, Toby Janne	0	PHI	−8B	−46N	+47B	+71N	−35B	−?N	+74B	−44N	+72B	4.0	33.5	33.5	13.00	802	0.0
55	Bulaun, Jaden Ethan	0	PHI	−5B	+?N	=13B	+?N	=23B	−35N	=?N	=34B	−28B	4.0	33.0	33.0	8.25	1561	0.0
56	FIDE 521074860	0	—	=69B	+58N	=?B	−14N	=42B	−67N	=63B	−39N	+70B	4.0	32.0	32.0	12.50	1437	0.0
57	Pacuribot, Moby Angelo	0	PHI	−16N	+27B	+?N	−32B	−46N	+?B	−68N	+65B	−?B	4.0	27.5	27.5	9.00	810	0.0
58	Gascon, Carlvinze	0	PHI	=30N	−56B	+?N	=46B	−?N	−41B	+?N	+52B	−34N	4.0	27.5	27.5	8.75	1372	0.0
59	Descartin, Mark Luis Andy	0	PHI	=28B	−31N	+69B	−9N	=76B	=?N	−?B	+?N	=50B	4.0	25.5	25.5	8.50	1315	0.0
60	Buendia, John Michael	0	PHI	−32N	=?B	−24N	+?B	−51N	+?B	−38N	=70N	+69B	4.0	25.5	25.5	4.50	890	0.0
61	Delos Reyes, Aldren	0	PHI	−2N	−44B	+?N	−?B	−?N	+77B	−?N	+79B	+76N	4.0	17.5	17.5	5.50	898	0.0
62	Arong, Kristoff Gift	0	PHI	+?B	−4N	+75B	=6N	−?B	−42N	=73B	−45N	=66B	3.5	31.0	31.0	9.00	1398	0.0
63	Esmoso, Duane Gabriel	0	PHI	−14N	+?N	=9B	−36B	−38N	+?B	=56N	=?B	−?N	3.5	26.5	26.5	5.25	1444	0.0
64	Dimiao, Uri	0	PHI	−12N	+?B	=32N	−22B	−?B	=71N	=70B	=69N	=?B	3.5	25.5	25.5	7.00	1515	0.0
65	Galvino, Chance Dixie	0	PHI	−18B	−38N	+?B	−68N	−74B	+72N	+76B	−57N	=?N	3.5	25.0	25.0	5.00	1551	0.0
66	Kudarat, Zamuel Joseph	0	PHI	−35N	+?B	−30N	−16B	−?N	=79B	+?N	=?B	=62N	3.5	21.0	21.0	2.50	731	0.0
67	Villarta, Norbel June	0	PHI	F	=22B	+36N	−44B	−32N	+56B	=15N	−35N	−33B	3.0	40.0	40.0	14.75	1468	0.0
68	FIDE 521074852	0	—	F	−34B	−42N	+65B	+41N	−23N	+57B	−14N	−39B	3.0	38.5	38.5	12.50	796	0.0
69	Tresvalles, Amiel James	0	PHI	=56N	−36B	−59N	+79B	−48N	−?B	+78N	=64B	−60N	3.0	28.0	28.0	6.75	696	0.0
70	Lu, Hendrix	0	PHI	−23B	−37N	+?N	−?B	+?N	−16B	=64N	=60B	−56N	3.0	28.0	28.0	3.75	696	0.0
71	Bentuda, Joris Gil	0	PHI	+44N	−2B	−52N	−54B	=?N	=64B	−?N	−76B	+?N	3.0	25.5	25.5	6.25	1698	0.0
72	Capili, Kenzo Raphael	0	PHI	−34N	+?B	−44N	−39B	−?N	−65B	+77N	+?B	−54N	3.0	24.0	24.0	2.00	914	0.0
73	Cutillar, Hanz Leigh	0	PHI	−17N	−?B	−39N	=?B	+79N	+?B	=62N	−41B	−?N	3.0	20.5	20.5	3.25	853	0.0
74	Astrologo, Xavier John David	0	PHI	+?N	−17B	−41N	−53B	+65N	−52B	−54N	−?N	=80B	2.5	27.0	27.0	4.00	853	0.0
75	Sarmiento, Xian David	0	PHI	+?N	−15B	−62N	−27B	−?N	=78B	−?N	+?B	−52N	2.5	20.5	20.5	0.75	786	0.0
76	Ravanes, Gen Roadwin	0	PHI	F	−14B	=46N	−?B	=59N	−27B	−65N	+71N	−61B	2.0	30.5	30.5	7.25	871	0.0
77	FIDE 521068038	0	—	−43N	−?B	−?N	−47N	+80B	−61N	−72B	−?B	+79N	2.0	18.5	18.5	2.50	731	0.0
78	Galarrita, Dylan	0	PHI	−15N	F	−7B	−25N	−47B	=75N	−69B	+80N	−?B	1.5	29.0	29.0	2.25	758	0.0
79	Dela Cruz, Frann Leandre	0	PHI	−?B	−?N	=?B	−69N	−73B	=66N	=80B	−61N	−77B	1.5	16.5	16.5	2.25	902	0.0
80	FIDE 521074925	0	—	−?B	−13N	−?N	−?B	−77N	−?B	=79N	−78B	=74N	1.0	13.5	13.5	2.00	842	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Maligaya, Daniel EuelPHI
+64.4
6.5 pts · #7
2Bolico, Steve ZackyPHI
+61.6
7.5 pts · #4
3Damonsong, SebastianPHI
+60.8
8.5 pts · #1

Top rating losers

1Gumaan, HamzaPHI
-34.8
5.0 pts · #25
2Bautista, Raydhien MiguelPHI
-33.2
5.0 pts · #51
3Eroja, John ReymarPHI
-32.4
4.5 pts · #73

Biggest upsets

R5+247 Elo gap
Maligaya, Daniel Euel1508 beat Eroja, John Reymar1755
R8+160 Elo gap
Ballao, Marcus Dalton1530 beat Bautista, Raydhien Miguel1690
R7+144 Elo gap
Amores, Amir1489 beat Barinan, Casey Josh1633