XXX Open Social Ruy Lopez Fundacion Vipren Rondas 2-5
26 players participated in this 5-round tournament, held from 01 Jun 2025 to 22 Jun 2025 in Chiclana de la Frontera (Cadiz), Spain. 2 titled players from 2 federations. Top 10 Elo average was 1973, and top seed was Luis Herrera Mellado (🇪🇸 ESP, 2055).
Nicholas Kowalski Rubiales (🇪🇸 ESP, CM, 2055) won with 3.5/5, ahead of Juan Montalban Rivera (3.5) and Gael Graeme Iribarnegaray Chanrion (3.5). Kowalski Rubiales shared the lead from round 1, winning on tie-break.
The biggest upset came in round 3: Antonio Leal Rodriguez (1618) beat Michael Longdin (1858), a +240-point gap.
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How it unfolded
Top 6 · 5 roundsTight race until R5; 3 players tied at 3.5/5, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 3 at the finish.
3 players finish on 3.5/5. Kowalski Rubiales takes the title on Buchholz Cut1 (9.5).
Juan Montalban Rivera drew with CM Nicholas Kowalski Rubiales (White).
Juan Montalban Rivera 3 wins (R2–R4)CM Nicholas Kowalski Rubiales 3 wins (R2–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Juan Montalban Rivera | * | ½ | — | — |
| 2CMNicholas Kowalski Rubiales | ½ | * | — | 1 |
| 3Gael Graeme Iribarnegaray Chanrion | — | — | * | — |
| 4Gabriel Rosas Roman | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kowalski Rubiales, NicholasCM | 2055 | ESP | F | +14B | +13N | +5B | =2N | 3.5 | 9.5 | 9.5 | 7.75 | 2321 | +36.4 |
| 2 | Montalban Rivera, Juan | 2001 | ESP | F | +19N | +18B | +8N | =1B | 3.5 | 7.5 | 7.5 | 5.75 | 2328 | +30.2 |
| 3 | Iribarnegaray Chanrion, Gael Graeme | 1706 | ESP | F | +24N | =15B | +6N | +4B | 3.5 | 7.0 | 7.0 | 6.25 | 2179 | +88.8 |
| 4 | Siliceo Capilla, Alfonso | 1942 | ESP | F | +11B | +22N | +13B | −3N | 3.0 | 7.5 | 7.5 | 4.00 | 1949 | +1.4 |
| 5 | Rosas Roman, Gabriel | 1979 | ESP | F | +25B | +21B | −1N | +18B | 3.0 | 5.5 | 5.5 | 2.00 | 2040 | +16.0 |
| 6 | Cabillas Martinez, Juan Luis | 1819 | ESP | F | +12B | =14N | −3B | +25N | 2.5 | 7.0 | 7.0 | 2.75 | 1808 | -0.6 |
| 7 | Kowalski Rubiales, Leo | 1656 | ESP | F | =23B | +9N | =22B | =13N | 2.5 | 4.5 | 4.5 | 3.25 | 1884 | +31.6 |
| 8 | Herrera Mellado, Luis | 2055 | ESP | F | +15N | F | −2B | +14N | 2.0 | 6.5 | 6.5 | 3.00 | 2089 | +3.0 |
| 9 | Roman Garcia, Miguel | 1750 | ESP | F | =10N | −7B | +24N | =17N | 2.0 | 6.0 | 6.0 | 1.75 | 1740 | -0.8 |
| 10 | Leal Rodriguez, Antonio | 1618 | ESP | F | =9B | +19N | −18N | =16B | 2.0 | 5.5 | 5.5 | 2.75 | 1823 | +40.0 |
| 11 | Perez Odero, Gonzalo | 1628 | ESP | F | −4N | +26B | −16N | +23B | 2.0 | 5.0 | 5.0 | 0.50 | 1665 | +3.0 |
| 12 | Cid Alarcon, Saul | 1625 | ESP | F | −6N | +24B | F | +20N | 2.0 | 3.5 | 3.5 | 1.00 | 1874 | +35.2 |
| 13 | Caruncho Rodriguez, Francisco | 1985 | ESP | F | +20N | −1B | −4N | =7B | 1.5 | 10.0 | 10.0 | 2.25 | 1795 | -20.6 |
| 14 | Pica Montesinos, Pedro Pablo | 1968 | ESP | F | −1N | =6B | +25N | −8B | 1.5 | 8.0 | 8.0 | 1.25 | 1799 | -17.4 |
| 15 | Ortiz Alfaro, Angel | 1921 | ESP | F | −8B | =3N | +17B | F | 1.5 | 7.0 | 7.0 | 3.25 | 1894 | -4.0 |
| 16 | Marquez Ruiz de Lacanal, Juan Antonio | 1719 | ESP | F | −21N | F | +11B | =10N | 1.5 | 5.0 | 5.0 | 3.00 | 1662 | -4.8 |
| 17 | Gamez Matamoros, AndresCM | 1870 | ESP | F | F | +20N | −15N | =9B | 1.5 | 4.5 | 4.5 | 2.00 | 1806 | -19.6 |
| 18 | Roman Sanchez, Jesus Maria | 1949 | ESP | F | F | −2N | +10B | −5N | 1.0 | 8.5 | 8.5 | 2.00 | 1739 | -15.8 |
| 19 | Longdin, Michael | 1858 | ENG | F | −2B | −10B | F | +22N | 1.0 | 6.0 | 6.0 | 0.50 | 1651 | -17.0 |
| 20 | Ye, Lexuan | 1734 | ESP | F | −13B | −17B | +23N | −12B | 1.0 | 5.5 | 5.5 | 0.50 | 1626 | -26.4 |
| 21 | Plata Fernandez, Diego | 1746 | ESP | F | +16B | −5N | F | F | 1.0 | 4.5 | 4.5 | 1.50 | 1852 | +4.8 |
| 22 | Gonzalez Blazquez, Juan Manuel | 1736 | ESP | F | F | −4B | =7N | −19B | 0.5 | 6.5 | 6.5 | 1.25 | 1579 | -10.0 |
| 23 | Amado Calderon, Sebastian | 1702 | ESP | F | =7N | F | −20B | −11N | 0.5 | 5.5 | 5.5 | 1.25 | 1424 | -20.2 |
| 24 | Labraca Sanchez, Juan Jose | 1684 | ESP | F | −3B | −12N | −9B | F | 0.0 | 7.5 | 7.5 | 0.00 | 901 | -56.4 |
| 25 | Alonso de la Huerta, Jose Antonio | 1480 | ESP | F | −5N | F | −14B | −6B | 0.0 | 7.0 | 7.0 | 0.00 | 1083 | -12.0 |
| 26 | FIDE 535096527 | 0 | — | F | F | −11N | F | F | 0.0 | 4.5 | 4.5 | 0.00 | 812 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Iribarnegaray Chanrion, Gael GraemeESP+88.83.5 pts · #3
- 2Leal Rodriguez, AntonioESP+40.02.0 pts · #8
- 3Kowalski Rubiales, NicholasCMESP+36.43.5 pts · #2
- 1Labraca Sanchez, Juan JoseESP-56.40.0 pts · #24
- 2Ye, LexuanESP-26.41.0 pts · #18
- 3Caruncho Rodriguez, FranciscoESP-20.61.5 pts · #16
- R3+240 Elo gap
- R5+236 Elo gap
- R4+113 Elo gap