1ST MAYOR CUP FIDE RATED INVITATIONAL STANDARD CHESS TOURNAMENT
6 players participated in this 10-round tournament, held from 27 Sept 2025 to 29 Sept 2025 in Municipal Hall, Municipality of Trento, Agusan del Sur, Philippines. Top 10 Elo average was 1751, and top seed was Jess Raphael Aballar (🇵🇭 PHI, 1959).
Jess Raphael Aballar (🇵🇭 PHI, 1959) won with 9.0/10, ahead of Cyrus Donasco (7.0) and Vivencio Jr. Mendoza (5.0). Aballar took the lead from round 7.
The biggest upset came in round 10: Gabriel Givero (1618) beat Cyrus Donasco (1892), a +274-point gap.
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How it unfolded
Top 6 · 10 roundsJess Raphael Aballar led from R7 onwards, the title was decided early.
Jess Raphael Aballar takes the sole lead (6.0/7).
Jess Raphael Aballar opens a +2.0-point gap over the chasing pack (closest: Cyrus Donasco); the title is out of reach before R10.
Jess Raphael Aballar 1.0–1.0 against Cyrus Donasco (R2 0-1, R7 1-0) — decisive in 2/2.
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇵🇭Aballar, Jess Raphael | 1959 | * | 01 | 11 | 11 | 11 | 11 | 9.0 | 35.00 | 42.0 | +42.4 | 2075 |
| 2 | 🇵🇭Donasco, Cyrus | 1892 | 01 | * | 1½ | 10 | ½1 | 11 | 7.0 | 28.50 | 46.0 | -4.0 | 1871 |
| 3 | 🇵🇭Mendoza, Vivencio Jr. | 1751 | 00 | ½0 | * | 1½ | ½½ | 11 | 5.0 | 16.25 | 50.0 | -1.6 | 1750 |
| 4 | 🇵🇭Givero, Gabriel | 1618 | 00 | 10 | ½0 | * | 01 | 11 | 4.5 | 15.50 | 51.0 | +56.0 | 1741 |
| 5 | 🇵🇭Muanag, Mart Lean | 1663 | 00 | 0½ | ½½ | 01 | * | ½0 | 3.0 | 13.75 | 54.0 | -28.8 | 1619 |
| 6 | 🇵🇭Agape, Christian Jay | 1620 | 00 | 00 | 00 | 00 | 1½ | * | 1.5 | 4.50 | 57.0 | -64.0 | 1480 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Givero, GabrielPHI+56.04.5 pts · #4
- 2Aballar, Jess RaphaelPHI+42.49.0 pts · #1
- 3Mendoza, Vivencio Jr.PHI-1.65.0 pts · #3
- 1Agape, Christian JayPHI-64.01.5 pts · #6
- 2Muanag, Mart LeanPHI-28.83.0 pts · #5
- 3Donasco, CyrusPHI-4.07.0 pts · #2
- R10+274 Elo gap