Kadayawan Sportsfestival Youth Standard Chess Tournament
Open SwissStandard
33 players participated in this 7-round tournament, held from 16 Aug 2025 to 23 Aug 2025 in Davao City, Philippines. 2 federations represented. Top 10 Elo average was 1568, and top seed was Jessielou Jr Sarias (🇵🇭 PHI, 1798).
Nathan Segara (🇵🇭 PHI, 1584) won with 7.0/7, ahead of Heidern Nephi Dimaandal (5.5) and Hannah Segara (5.5). Segara won solo starting round 4.
The biggest upset came in round 7: Chriz Joshua Palis (1488) beat Jessielou Jr Sarias (1798), a +310-point gap.
Location
🇵🇭Davao City, Philippines
Dates
16 Aug 2025 → 23 Aug 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Federations · 2 represented
🇵🇭Philippines×23
FIDE (no federation)×2
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsNathan Segara led from R4; +1.5-point edge over the runner-up.
Co-leaders
20
9
4
1
1
1
1
R4–R7 · LEAD HELD
Nathan Segara never relinquished the lead after R4; final gap +1.5 over the runner-up.
R6 · HEAD-TO-HEAD · WINNER VS 2ND
Nathan Segara beat Heidern Nephi Dimaandal (Black).
WIN STREAKS · 3 top finishers
Nathan Segara 7 wins (R1–R7)Heidern Nephi Dimaandal 3 wins (R1–R3)Hannah Segara 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Nathan Segara | * | 1 | 1 | 1 |
| 2Heidern Nephi Dimaandal | 0 | * | ½ | — |
| 3Hannah Segara | 0 | ½ | * | — |
| 4Mathew Zuriel Pagas | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Segara, Nathan | 1584 | PHI | +32B | +20N | +4B | +13N | +6B | +2N | +3B | 7.0 | 28.5 | 28.5 | 28.50 | 2405 | +92.8 |
| 2 | Dimaandal, Heidern Nephi | 1492 | PHI | +8B | +26N | +9B | =3B | +7N | −1B | +10N | 5.5 | 30.5 | 33.5 | 23.75 | 1700 | +52.4 |
| 3 | Segara, Hannah | 1624 | PHI | +31B | +25N | +5B | =2N | +13B | +8N | −1N | 5.5 | 29.0 | 30.0 | 20.25 | 1692 | +13.6 |
| 4 | Palis, Chriz Joshua | 1488 | PHI | +11N | +16B | −1N | =17B | =26N | +21B | +13B | 5.0 | 27.0 | 30.0 | 19.50 | 1668 | +17.2 |
| 5 | Tapere, Namael Naetan | 1547 | PHI | +17N | +21B | −3N | −18B | +22N | +24B | +7N | 5.0 | 24.5 | 27.5 | 18.50 | 1702 | +25.2 |
| 6 | Pagas, Mathew Zuriel | 0 | PHI | +?N | =7B | +?N | +24B | −1N | +18B | =9N | 5.0 | 22.5 | 22.5 | 11.00 | 1561 | 0.0 |
| 7 | Suter, Nathalie | 1548 | PHI | +12B | =6N | +10B | +9N | −2B | +11N | −5B | 4.5 | 29.0 | 33.5 | 20.50 | 1524 | -2.6 |
| 8 | Mateo, Czarina Ashley | 0 | PHI | −2N | +23N | +?B | +22B | +19N | −3B | =14N | 4.5 | 25.5 | 25.5 | 12.50 | 1408 | 0.0 |
| 9 | Echavia, Carl Joseph | 1592 | PHI | +30N | +22B | −2N | −7B | +25N | +19B | =6B | 4.5 | 25.0 | 27.0 | 14.50 | 727 | -47.2 |
| 10 | Labaro, Ricardo Gian Paolo | 1450 | PHI | +33N | +19B | −7N | +16B | =18N | +20B | −2B | 4.5 | 24.5 | 24.5 | 12.75 | 727 | -31.6 |
| 11 | Orog, Zarend | 0 | PHI | −4B | +?N | =14N | +21B | +?N | −7B | +20N | 4.5 | 20.5 | 20.5 | 9.00 | 719 | 0.0 |
| 12 | FIDE 521069930 | 0 | — | −7N | +?B | +?N | −19B | =14N | +?B | +18N | 4.5 | 15.5 | 15.5 | 5.50 | 748 | 0.0 |
| 13 | Sarias, Jessielou Jr | 1798 | PHI | +29N | +14B | +24N | −1B | −3N | +26B | −4N | 4.0 | 27.5 | 29.5 | 12.00 | 1360 | -88.4 |
| 14 | Arong, Kristoff Gift | 0 | PHI | +15B | −13N | =11B | =26N | =12B | +?N | =8B | 4.0 | 24.5 | 24.5 | 12.25 | 998 | 0.0 |
| 15 | FIDE 521069956 | 0 | — | −14N | +29B | −22N | −25B | +30N | +?B | +24N | 4.0 | 17.5 | 17.5 | 7.00 | 1579 | 0.0 |
| 16 | Suter, Nayelie | 0 | PHI | +23B | −4N | +31B | −10N | =?B | =?N | +27B | 4.0 | 16.5 | 16.5 | 7.00 | 1196 | 0.0 |
| 17 | Magatao, Alchenyl Audrey | 0 | PHI | −5B | +?N | +?B | =4N | −20B | =?N | +25B | 4.0 | 16.5 | 16.5 | 5.50 | 1377 | 0.0 |
| 18 | Ramiso, Estrello Jr | 0 | PHI | +?B | −24N | +25B | +5N | =10B | −6N | −12B | 3.5 | 25.0 | 25.0 | 10.25 | 1519 | 0.0 |
| 19 | Ylanan, Kyle Johann | 0 | PHI | +?B | −10N | +27B | +12N | −8B | −9N | =23B | 3.5 | 24.0 | 24.0 | 8.75 | 721 | 0.0 |
| 20 | Diansuy, Ahmad Allan Iii | 0 | PHI | +?B | −1B | =21N | +?B | +17N | −10N | −11B | 3.5 | 23.5 | 23.5 | 5.75 | 694 | 0.0 |
| 21 | Samoranos, Emmanuel Jules | 0 | PHI | +?B | −5N | =20B | −11N | +27B | −4N | +29B | 3.5 | 22.5 | 22.5 | 6.25 | 719 | 0.0 |
| 22 | Chang, Ellie Georgia | 0 | PHI | +?B | −9N | +15B | −8N | −5B | +?N | =?B | 3.5 | 18.0 | 18.0 | 4.00 | 1263 | 0.0 |
| 23 | FIDE 521069883 | 0 | — | −16N | −8B | +33N | +?B | −24N | +28B | =19N | 3.5 | 17.5 | 17.5 | 4.25 | 759 | 0.0 |
| 24 | Ayo, Antonio Stefan Inigo | 1555 | PHI | +28N | +18B | −13B | −6N | +23B | −5N | −15B | 3.0 | 25.0 | 27.5 | 9.50 | 873 | -28.8 |
| 25 | Bragas, Kim James | 0 | FID | +?B | −3B | −18N | +15N | −9B | +29B | −17N | 3.0 | 23.5 | 23.5 | 6.00 | 809 | 0.0 |
| 26 | Raymundo, Vladimir | 0 | FID | +?N | −2B | +28N | =14B | =4B | −13N | −?B | 3.0 | 21.0 | 21.0 | 7.00 | 1325 | 0.0 |
| 27 | FIDE 521069891 | 0 | — | =?N | −?B | −19N | +?B | −21N | +?B | −16N | 2.5 | 11.0 | 11.0 | 0.00 | 668 | 0.0 |
| 28 | FIDE 521069921 | 0 | — | −24B | +?N | −26B | −?N | +?B | −23N | =?N | 2.5 | 9.5 | 9.5 | 0.00 | 759 | 0.0 |
| 29 | FIDE 521069905 | 0 | — | −13B | −15N | +?B | −?N | +31B | −25N | −21N | 2.0 | 15.5 | 15.5 | 1.00 | 833 | 0.0 |
| 30 | FIDE 521069913 | 0 | — | −9B | −?N | −?B | +32N | −15B | −?N | +?N | 2.0 | 8.5 | 8.5 | 0.00 | 792 | 0.0 |
| 31 | FIDE 521069662 | 0 | — | −3N | +33B | −16N | −?B | −29N | F | −?B | 1.0 | 11.5 | 11.5 | 0.00 | 825 | 0.0 |
| 32 | Gascon, Carlvinze | 0 | PHI | −1N | −?B | −?N | −30B | F | F | F | 0.0 | 9.0 | 9.0 | 0.00 | 738 | 0.0 |
| 33 | Palma, Rhinz Arthur | 0 | PHI | −10B | −31N | −23B | −?N | F | F | F | 0.0 | 9.0 | 9.0 | 0.00 | 650 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Segara, NathanPHI+92.87.0 pts · #1
- 2Dimaandal, Heidern NephiPHI+52.45.5 pts · #2
- 3Tapere, Namael NaetanPHI+25.25.0 pts · #5
Top rating losers
- 1Sarias, Jessielou JrPHI-88.44.0 pts · #10
- 2Echavia, Carl JosephPHI-47.24.5 pts · #29
- 3Labaro, Ricardo Gian PaoloPHI-31.64.5 pts · #30
Biggest upsets
- R7+310 Elo gap
- R4+214 Elo gap
- R5+174 Elo gap