Campeonato de Segunda de Gipuzkoa 2025 Zonal Elgoibar Rondas 1-3
Open SwissStandard
8 players participated in this 3-round tournament, held from 11 Oct 2025 to 25 Oct 2025 in Elgoibar (Guipuzcoa), Spain. Top 10 Elo average was 1698, and top seed was Markel Kerexeta Zabala (🇪🇸 ESP, 1822).
Markel Kerexeta Zabala (🇪🇸 ESP, 1822) won with 3.0/3, ahead of Alberto Bellosillo Perez (2.5) and Sergio Bellosillo Perez (1.5). Kerexeta Zabala won solo starting round 2.
The biggest upset came in round 2: Iker Garcia Escribano (1563) beat Izaro Arriola Sudupe (1740), a +177-point gap.
Location
🇪🇸Elgoibar (Guipuzcoa), Spain
Dates
11 Oct 2025 → 25 Oct 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 3 rounds
Federations · 1 represented
🇪🇸Spain×8
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 3 roundsMarkel Kerexeta Zabala led from R2; +0.5-point edge over the runner-up.
Co-leaders
3
1
1
Kerexeta Zabala3Bellosillo Perez2.5Garcia Escribano1.5Bellosillo Perez1.5Etxabe Uria1.5Uranga Odriozola1
R2–R3 · LEAD HELD
Markel Kerexeta Zabala held the sole lead from R2 through R3 without losing it.
R1–R3 · WIN STREAK
Markel Kerexeta Zabala won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Markel Kerexeta Zabala | * | — | — | — |
| 2Alberto Bellosillo Perez | — | * | — | ½ |
| 3Iker Garcia Escribano | — | — | * | 0 |
| 4Sergio Bellosillo Perez | — | ½ | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kerexeta Zabala, Markel | 1822 | ESP | +8N | +6B | +7N | 3.0 | 2.0 | 2.0 | 2.00 | 2451 | +16.6 |
| 2 | Bellosillo Perez, Alberto | 1763 | ESP | +4N | =3B | +8N | 2.5 | 3.0 | 3.0 | 2.25 | 1962 | +14.2 |
| 3 | Bellosillo Perez, Sergio | 1677 | ESP | −7N | =2N | +5B | 1.5 | 4.0 | 5.0 | 2.75 | 1688 | +0.8 |
| 4 | Etxabe Uria, Andoni | 1804 | ESP | −2B | +8B | =6N | 1.5 | 3.5 | 3.5 | 0.50 | 1660 | -11.4 |
| 5 | Garcia Escribano, Iker | 1563 | ESP | =6N | +7B | −3N | 1.5 | 2.5 | 3.5 | 1.50 | 1682 | +19.2 |
| 6 | Uranga Odriozola, Inaki | 1631 | ESP | =5B | −1N | =4B | 1.0 | 4.5 | 6.0 | 1.50 | 1605 | -2.2 |
| 7 | Arriola Sudupe, Izaro | 1740 | ESP | +3B | −5N | −1B | 1.0 | 4.5 | 6.0 | 1.50 | 1562 | -27.6 |
| 8 | Santos Arginchona, Vicente | 1586 | ESP | −1B | −4N | −2B | 0.0 | 5.5 | 7.0 | 0.00 | 996 | -27.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Garcia Escribano, IkerESP+19.21.5 pts · #3
- 2Kerexeta Zabala, MarkelESP+16.63.0 pts · #1
- 3Bellosillo Perez, AlbertoESP+14.22.5 pts · #2
Top rating losers
- 1Santos Arginchona, VicenteESP-27.60.0 pts · #8
- 2Arriola Sudupe, IzaroESP-27.61.0 pts · #7
- 3Etxabe Uria, AndoniESP-11.41.5 pts · #5
Biggest upsets
- R2+177 Elo gap