2025 Philippine National Semifinals Chess Championship Men's Division
SwissStandard
50 players participated in this 7-round tournament, held from 12 Nov 2025 to 16 Nov 2025 in Cebu City, Philippines. 6 titled players. Top 10 Elo average was 2210, and top seed was Christian Gian Karlo Arca (🇵🇭 PHI, IM, 2407).
Mark Jay Bacojo (🇵🇭 PHI, IM, 2298) won with 6.0/7, ahead of Ronald Bancod (5.5) and Michael Jr. Concio (5.5). Bacojo shared the lead from round 6 and broke clear in the final round.
The biggest upset came in round 5: Lex Padayao (1680) beat Rosendo Jr Bandal (FM, 2137), a +457-point gap.
Location
🇵🇭Cebu City, Philippines
Dates
12 Nov 2025 → 16 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Titled players · 6
IM×5
FM×1
Federations · 1 represented
🇵🇭Philippines×50
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsIM Mark Jay Bacojo led from R7; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R7.
Co-leaders
19
9
5
2
1
4
1
R7 · LEADER CHANGE16 Nov
IM Mark Jay Bacojo takes the sole lead (6.0/7).
WIN STREAKS · 2 top finishers
IM Mark Jay Bacojo 3+3 wins (R1–R3, R5–R7)IM Michael Jr. Concio 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMMark Jay Bacojo | * | — | — | 0 |
| 2IMMichael Jr. Concio | — | * | ½ | ½ |
| 3IMChristian Gian Karlo Arca | — | ½ | * | 0 |
| 4IMRonald Bancod | 1 | ½ | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Bacojo, Mark JayIM | 2298 | PHI | +26B | +16N | +13B | −2N | +8B | +12N | +6B | 6.0 | 27.5 | 30.5 | 25.00 | 2316 | +3.0 |
| 2 | Bancod, RonaldIM | 2112 | PHI | +50N | +15B | +4N | +1B | −6N | +7B | =3B | 5.5 | 31.0 | 31.0 | 23.25 | 2346 | +20.3 |
| 3 | Concio, Michael Jr.IM | 2397 | PHI | +31N | +12B | +11N | =7B | =4N | +6B | =2N | 5.5 | 29.5 | 32.5 | 24.50 | 2322 | -3.3 |
| 4 | Arca, Christian Gian KarloIM | 2407 | PHI | +23B | +35N | −2B | +16N | =3B | +13N | +10B | 5.5 | 27.0 | 29.5 | 21.25 | 2330 | -3.5 |
| 5 | Casiguran, Phil Martin | 2132 | PHI | =38N | =17B | +29N | +15B | =7N | +18B | +14N | 5.5 | 24.0 | 26.0 | 20.50 | 2195 | +18.8 |
| 6 | Merelos, Melvin | 2132 | PHI | +32B | +22N | +8B | +19N | +2B | −3N | −1N | 5.0 | 29.5 | 32.5 | 21.00 | 2228 | +38.0 |
| 7 | Cervero, Tristan Jared | 1900 | PHI | +39B | +37N | +10B | =3N | =5B | −2N | +12B | 5.0 | 27.0 | 29.0 | 18.00 | 2217 | +57.0 |
| 8 | Mirano, Allen | 1958 | PHI | +34B | +14N | −6N | +37B | −1N | +26B | +21B | 5.0 | 25.0 | 27.0 | 16.00 | 2183 | +82.8 |
| 9 | Panilagao, Rogel Nino | 1934 | PHI | =43N | +38B | =17N | +27B | −12N | +32B | +19N | 5.0 | 20.0 | 21.5 | 14.75 | 2100 | +52.0 |
| 10 | Young, AngeloIM | 2161 | PHI | =20B | +24N | −7N | +36B | +22N | +11B | −4N | 4.5 | 26.0 | 28.5 | 16.00 | 2050 | -7.0 |
| 11 | Carredo, Mar Aviel | 2001 | PHI | +40B | +45N | −3B | =23N | +35B | −10N | +22N | 4.5 | 21.5 | 22.5 | 10.75 | 2047 | +21.2 |
| 12 | Ganzon, Ronald | 1976 | PHI | +30B | −3N | +45B | +28N | +9B | −1B | −7N | 4.0 | 27.5 | 28.5 | 12.00 | 1987 | +5.2 |
| 13 | Mangubat, Mario | 2003 | PHI | +46N | +36B | −1N | =26B | +17N | −4B | =18N | 4.0 | 25.0 | 26.0 | 11.00 | 1978 | -5.0 |
| 14 | Abanco, Ernie | 2165 | PHI | +25N | −8B | −26N | +38B | +31N | +15B | −5B | 4.0 | 24.0 | 26.0 | 12.50 | 1954 | -66.0 |
| 15 | Saludsod, Carlo | 1865 | PHI | +41B | −2N | +30B | −5N | +28B | −14N | +29B | 4.0 | 24.0 | 26.0 | 11.00 | 1954 | +24.8 |
| 16 | Pandan, Basilio | 1973 | PHI | +42N | −1B | +40N | −4B | =25N | +36B | =17N | 4.0 | 23.5 | 25.5 | 10.25 | 1978 | +2.0 |
| 17 | Dela Cruz, Jake | 0 | PHI | +49B | =5N | =9B | =35N | −13B | +37N | =16B | 4.0 | 23.0 | 23.5 | 11.00 | 2032 | 0.0 |
| 18 | Agapay, Apollo P. | 1933 | PHI | =48B | −28N | +33B | +24N | +23B | −5N | =13B | 4.0 | 22.5 | 23.0 | 12.25 | 1881 | -16.0 |
| 19 | Jao, Manasseh | 2007 | PHI | =28B | +48N | +43B | −6B | =26N | +20N | −9B | 4.0 | 21.5 | 22.0 | 9.00 | 1890 | -35.6 |
| 20 | Maniego, Zhyrich | 1840 | PHI | =10N | −27B | =38N | +45B | +37N | −19B | +33N | 4.0 | 18.5 | 19.5 | 9.25 | 1975 | +38.4 |
| 21 | Paraguya, Voltaire Marc | 1898 | PHI | −45N | −46B | +44N | +41B | +29N | +30B | −8N | 4.0 | 15.5 | 16.5 | 9.50 | 1744 | -23.0 |
| 22 | Cadiz, Arnolito | 1895 | PHI | +33B | −6B | =36N | +43N | −10B | +23N | −11B | 3.5 | 23.0 | 24.5 | 9.25 | 1851 | -16.0 |
| 23 | Carzano, Johnny Wellem | 1856 | PHI | −4N | +44B | +41N | =11B | −18N | −22B | +36N | 3.5 | 22.0 | 23.5 | 8.25 | 1843 | -4.8 |
| 24 | Flores, Reynaldo | 1833 | PHI | =27N | −10B | +48N | −18B | −32N | +42B | +38N | 3.5 | 18.5 | 19.0 | 6.00 | 1890 | +8.6 |
| 25 | DALEON, Lightus | 1841 | PHI | −14B | F | +39N | F | =16B | +35N | +27B | 3.5 | 16.5 | 16.5 | 9.50 | 2119 | +71.6 |
| 26 | Tabor, Erwin D. | 1848 | PHI | −1N | +42B | +14B | =13N | =19B | −8N | F | 3.0 | 26.0 | 28.0 | 10.00 | 2010 | +45.6 |
| 27 | Bandal, Rosendo JrFM | 2137 | PHI | =24B | +20N | =28B | −9N | −30B | +44N | −25N | 3.0 | 22.0 | 23.5 | 8.75 | 1767 | -60.8 |
| 28 | Alidani, Leonardo | 1798 | PHI | =19N | +18B | =27N | −12B | −15N | −34B | +45B | 3.0 | 22.0 | 23.0 | 8.50 | 1828 | +3.6 |
| 29 | Lofranco, Leo | 1836 | PHI | −37B | +34N | −5B | +33N | −21B | +45N | −15N | 3.0 | 21.5 | 22.5 | 7.00 | 1755 | -28.0 |
| 30 | Padayao, Lex | 1680 | PHI | −12N | +31B | −15N | +42B | +27N | −21N | F | 3.0 | 21.0 | 23.0 | 8.00 | 1892 | +60.8 |
| 31 | Talaboc, Francis | 1856 | PHI | −3B | −30N | +34B | +40N | −14B | +39N | F | 3.0 | 20.5 | 22.5 | 7.00 | 1843 | -4.6 |
| 32 | Ortiz, Bhell | 1826 | PHI | −6N | +39B | −37B | +47N | +24B | −9N | F | 3.0 | 20.5 | 21.5 | 6.50 | 1924 | +14.2 |
| 33 | Agsalud, Shawn | 0 | PHI | −22N | +50B | −18N | −29B | +40B | +43N | −20B | 3.0 | 18.0 | 18.0 | 3.50 | 1763 | 0.0 |
| 34 | Mernado, Reiven Joseph | 1676 | PHI | −8N | −29B | −31N | F | +47B | +28N | +35B | 3.0 | 17.5 | 18.0 | 6.50 | 1894 | +65.2 |
| 35 | Fuentes, Mardonio | 2000 | PHI | +44N | −4B | +46N | =17B | −11N | −25B | −34N | 2.5 | 22.0 | 23.0 | 4.50 | 1768 | -36.6 |
| 36 | Donoga, Kenneth Cris | 1632 | PHI | +47B | −13N | =22B | −10N | +43B | −16N | −23B | 2.5 | 21.0 | 22.0 | 4.25 | 1803 | +47.6 |
| 37 | Medina, VInce Angelo | 2159 | PHI | +29N | −7B | +32N | −8N | −20B | −17B | F | 2.0 | 24.0 | 26.0 | 6.00 | 1800 | -44.0 |
| 38 | Turno, Archilaus | 1831 | PHI | =5B | −9N | =20B | −14N | −39B | +50N | −24B | 2.0 | 24.0 | 24.0 | 4.75 | 1741 | -38.0 |
| 39 | Tutor, Mark Lorenz | 1576 | PHI | −7N | −32N | −25B | +50B | +38N | −31B | F | 2.0 | 18.5 | 18.5 | 2.00 | 1720 | +38.0 |
| 40 | Rusiana, Ian Gabriel | 1705 | PHI | −11N | +49N | −16B | −31B | −33N | +48B | −41N | 2.0 | 17.0 | 17.5 | 1.00 | 1804 | +22.0 |
| 41 | Jayan, Ruel | 0 | PHI | −15N | F | −23B | −21N | −44B | +47N | +40B | 2.0 | 16.0 | 16.0 | 3.00 | 1695 | 0.0 |
| 42 | Icalina, Navi | 1679 | PHI | −16B | −26N | =49B | −30N | +48B | −24N | =44B | 2.0 | 15.5 | 16.0 | 1.50 | 1637 | -18.8 |
| 43 | Alasagas, Seigfred Mark | 1665 | PHI | =9B | +47N | −19N | −22B | −36N | −33B | F | 1.5 | 19.0 | 19.0 | 3.50 | 1727 | +10.4 |
| 44 | Barredo, Wilson | 1682 | PHI | −35B | −23N | −21B | F | +41N | −27B | =42N | 1.5 | 17.0 | 17.0 | 3.00 | 1537 | -28.4 |
| 45 | Tee, Lorenz Julien | 1553 | PHI | +21B | −11B | −12N | −20N | F | −29B | −28N | 1.0 | 22.5 | 23.5 | 4.00 | 1607 | +8.4 |
| 46 | Patalinghug, Rommel | 1755 | PHI | −13B | +21N | −35B | F | F | F | F | 1.0 | 15.0 | 15.0 | 4.00 | 1842 | +12.0 |
| 47 | Alasagas, Karl Christian | 1913 | PHI | −36N | −43B | +50N | −32B | −34N | −41B | F | 1.0 | 12.5 | 12.5 | 0.00 | 1483 | -108.0 |
| 48 | Principe, John Loid | 1665 | PHI | =18N | −19B | −24B | F | −42N | −40N | F | 0.5 | 18.5 | 19.5 | 2.00 | 1465 | -39.6 |
| 49 | Gastala, Michael | 1883 | PHI | −17N | −40B | =42N | F | F | F | F | 0.5 | 8.0 | 8.0 | 1.00 | 1499 | -39.6 |
| 50 | Arapoc, Paul Benedict | 1818 | PHI | −2B | −33N | −47B | −39N | F | −38B | F | 0.0 | 15.0 | 15.0 | 0.00 | 1058 | -72.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Mirano, AllenPHI+82.85.0 pts · #8
- 2DALEON, LightusPHI+71.63.5 pts · #17
- 3Mernado, Reiven JosephPHI+65.23.0 pts · #31
Top rating losers
- 1Alasagas, Karl ChristianPHI-108.01.0 pts · #44
- 2Arapoc, Paul BenedictPHI-72.00.0 pts · #50
- 3Abanco, ErniePHI-66.04.0 pts · #13
Biggest upsets
- R5+457 Elo gap
- R1+345 Elo gap
- R7+324 Elo gap