II Open Sub2400 FIDE de Ajedrez Castillo Santa Catalina
Open SwissStandard
43 players participated in this 6-round tournament, held from 10 Oct 2025 to 12 Oct 2025 in Cadiz, Spain. 6 titled players. Top 10 Elo average was 2046, and top seed was Juan Manuel Gonzalez Galvan (🇪🇸 ESP, FM, 2214).
Alejandro Cuellar Montes (🇪🇸 ESP, CM, 2163) won with 5.0/6, ahead of Alfonso Siliceo Capilla (5.0) and Chenjie Xu (4.5). Cuellar Montes shared the lead from round 1, winning on tie-break.
The biggest upset came in round 1: Nicolas Morell Altozano (1846) beat Juan Manuel Gonzalez Galvan (FM, 2214), a +368-point gap.
Location
🇪🇸Cadiz, Spain
Dates
10 Oct 2025 → 12 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Titled players · 6
FM×2
CM×4
Federations · 1 represented
🇪🇸Spain×43
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsTight race until R3; 2 players tied at 5.0/6, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
Co-leaders
15
3
1
2
1
2
R3–R6 · LEAD HELD
CM Alejandro Cuellar Montes held the sole lead from R3 through R6 without losing it.
R6 · TIEBREAK CLUSTER
2 players finish on 5.0/6. Cuellar Montes takes the title on Buchholz Cut1 (21.5).
R2 · HEAD-TO-HEAD · WINNER VS 2ND
CM Alejandro Cuellar Montes beat Alfonso Siliceo Capilla (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMAlejandro Cuellar Montes | * | 1 | ½ | — |
| 2Alfonso Siliceo Capilla | 0 | * | — | — |
| 3Angel Ortiz Alfaro | ½ | — | * | — |
| 4Chenjie Xu | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cuellar Montes, AlejandroCM | 2163 | ESP | +17B | +2N | +5B | =6N | +7B | =4N | 5.0 | 21.5 | 24.5 | 20.25 | 2245 | +11.2 |
| 2 | Siliceo Capilla, Alfonso | 1931 | ESP | +27N | −1B | +26N | +23B | +6B | +5N | 5.0 | 18.0 | 20.5 | 15.50 | 2194 | +38.6 |
| 3 | Xu, Chenjie | 1756 | ESP | −5N | +21B | +43N | +16B | =12B | +14N | 4.5 | 17.5 | 17.5 | 11.75 | 2047 | +87.2 |
| 4 | Ortiz Alfaro, Angel | 1977 | ESP | +24N | =18B | =23N | +30B | +10N | =1B | 4.5 | 17.0 | 19.0 | 13.75 | 2102 | +37.6 |
| 5 | Gamez Matamoros, AndresCM | 1999 | ESP | +3B | +30N | −1N | +11B | +8N | −2B | 4.0 | 22.5 | 24.5 | 14.50 | 2055 | +18.0 |
| 6 | Santos Izquierdo, Francisco JavierFM | 2137 | ESP | +15N | =8B | +22N | =1B | −2N | +18B | 4.0 | 20.5 | 23.5 | 14.00 | 2069 | -8.8 |
| 7 | Insua Mellado, Jose LuisCM | 1945 | ESP | =26N | +19B | +18N | +13B | −1N | =9B | 4.0 | 18.5 | 21.0 | 12.75 | 2073 | +20.0 |
| 8 | Mateos Atienza, Alberto | 1937 | ESP | +29B | =6N | +25B | =12N | −5B | +17N | 4.0 | 17.0 | 19.0 | 11.25 | 2022 | +15.0 |
| 9 | Gonzalez Galvan, Juan ManuelFM | 2214 | ESP | −23N | =24B | +36N | +15B | +22B | =7N | 4.0 | 15.5 | 16.5 | 10.75 | 1984 | -26.8 |
| 10 | Sanchez Lopez, Alejandro 1982 | 1921 | ESP | +28N | −12B | +32N | +31B | −4B | +26N | 4.0 | 15.0 | 16.5 | 8.50 | 1954 | +6.2 |
| 11 | Perez Bellido, Jose Manuel | 1917 | ESP | −25B | +29N | +35B | −5N | +19B | +31N | 4.0 | 13.5 | 15.0 | 8.50 | 1894 | -2.2 |
| 12 | Kowalski Rubiales, NicholasCM | 2107 | ESP | +37B | +10N | F | =8B | =3N | =13B | 3.5 | 17.0 | 17.0 | 11.00 | 2023 | -16.8 |
| 13 | Roman Sanchez, Jesus Maria | 1929 | ESP | +20B | F | +16N | −7N | +34B | =12N | 3.5 | 15.5 | 15.5 | 9.75 | 2062 | +18.4 |
| 14 | Sanjuan Garcia, Miguel | 2004 | ESP | =19N | =23B | =39N | +24B | +33N | −3B | 3.5 | 14.0 | 14.5 | 7.00 | 1852 | -21.8 |
| 15 | Iribarnegaray Chanrion, Gael Graeme | 1833 | ESP | −6B | =20N | +40B | −9N | +32N | +33B | 3.5 | 14.0 | 14.0 | 4.50 | 1926 | +26.8 |
| 16 | Escobar Garcia, Alberto | 1972 | ESP | +36B | =25N | −13B | −3N | +39B | +34N | 3.5 | 13.0 | 13.5 | 4.25 | 1830 | -38.0 |
| 17 | Insua Conesa, Enrique | 1841 | ESP | −1N | −27B | +29N | +38B | +21N | −8B | 3.0 | 16.5 | 17.5 | 6.00 | 1771 | -22.0 |
| 18 | Campos Calvo-Sotelo, Juan | 1897 | ESP | +38B | =4N | −7B | =25N | +35B | −6N | 3.0 | 16.5 | 17.5 | 6.00 | 1826 | -9.4 |
| 19 | He He, Jingxuan | 1789 | ESP | =14B | −7N | =20B | +42N | −11N | +29B | 3.0 | 16.5 | 16.5 | 5.25 | 1798 | +2.8 |
| 20 | Silva Martin, Santiago | 1664 | ESP | −13N | =15B | =19N | −32B | +38N | +37B | 3.0 | 12.5 | 13.5 | 5.25 | 1780 | +36.0 |
| 21 | Moreno Rodriguez, Antonio | 1560 | ESP | −30B | −3N | +37B | +40N | −17B | +36N | 3.0 | 11.5 | 11.5 | 2.00 | 1769 | +30.2 |
| 22 | Diaz Vichi, Francisco | 1901 | ESP | +40N | F | −6B | +39B | −9N | +24B | 3.0 | 11.0 | 11.0 | 3.00 | 1962 | +8.2 |
| 23 | Morell Altozano, Nicolas | 1846 | ESP | +9B | =14N | =4B | −2N | −26B | =35N | 2.5 | 19.5 | 21.0 | 8.75 | 1864 | +0.8 |
| 24 | Kowalski Rubiales, Leo | 1754 | ESP | −4B | =9N | +41B | −14N | +27B | −22N | 2.5 | 17.5 | 17.5 | 4.50 | 1828 | +16.8 |
| 25 | Benitez Butron, Daniel | 1610 | ESP | +11N | =16B | −8N | =18B | −31N | =32B | 2.5 | 16.5 | 18.0 | 8.00 | 1820 | +56.0 |
| 26 | Sevillano Leal, Julio | 1697 | ESP | =7B | +41N | −2B | F | +23N | −10B | 2.5 | 15.5 | 15.5 | 4.50 | 1847 | +18.8 |
| 27 | Cid Alarcon, Saul | 1681 | ESP | −2B | +17N | =33B | −34N | −24N | +41B | 2.5 | 13.5 | 13.5 | 3.75 | 1755 | +19.6 |
| 28 | Silva Martin, Pedro | 1652 | ESP | −10B | +37N | =34B | −33N | −36B | +39N | 2.5 | 9.0 | 9.5 | 2.25 | 1771 | +34.0 |
| 29 | Sanchez Rosado, Dario | 1690 | ESP | −8N | −11B | −17B | +41N | +42B | −19N | 2.0 | 14.0 | 14.0 | 0.00 | 1649 | -14.8 |
| 30 | Malia Ramirez, Jose | 1874 | ESP | +21N | −5B | +38N | −4N | F | F | 2.0 | 12.5 | 12.5 | 4.00 | 1782 | -7.8 |
| 31 | Bermudez Ureba, Jose Maria | 1819 | ESP | F | F | +42B | −10N | +25B | −11B | 2.0 | 10.5 | 10.5 | 2.50 | 1753 | -6.2 |
| 32 | Ye, Lexuan | 1719 | ESP | F | F | −10B | +20N | −15B | =25N | 1.5 | 13.0 | 13.0 | 4.25 | 1669 | -12.4 |
| 33 | Ramirez Carrasco, Antonio | 1880 | ESP | F | F | =27N | +28B | −14B | −15N | 1.5 | 12.0 | 12.0 | 3.75 | 1707 | -18.8 |
| 34 | Leon Dionis, Mateo | 1877 | ESP | F | F | =28N | +27B | −13N | −16B | 1.5 | 12.0 | 12.0 | 3.75 | 1723 | -16.6 |
| 35 | Cordero Parada, Luis | 1705 | ESP | F | F | −11N | +43B | −18N | =23B | 1.5 | 9.5 | 9.5 | 1.25 | 1697 | -3.2 |
| 36 | Garcia Garcia, Victoriano Jose | 1717 | ESP | −16N | F | −9B | F | +28N | −21B | 1.0 | 13.0 | 13.0 | 2.50 | 1634 | -11.2 |
| 37 | Heredia Jimenez, Miguel | 1827 | ESP | −12N | −28B | −21N | F | +40B | −20N | 1.0 | 12.0 | 12.0 | 0.00 | 1477 | -88.8 |
| 38 | Gatica Garrido, Israel | 1589 | ESP | −18N | F | −30B | −17N | −20B | +42N | 1.0 | 11.0 | 11.0 | 0.00 | 1528 | -16.4 |
| 39 | Plata Fernandez, Diego | 1745 | ESP | F | F | =14B | −22N | −16N | −28B | 0.5 | 12.5 | 12.5 | 1.75 | 1560 | -16.6 |
| 40 | Gomez Jaen, Antonio Maria | 1601 | ESP | −22B | F | −15N | −21B | −37N | F | 0.0 | 10.5 | 10.5 | 0.00 | 981 | -44.8 |
| 41 | Palma Troya, Ignacio Pedro | 1594 | ESP | F | −26B | −24N | −29B | F | −27N | 0.0 | 9.5 | 9.5 | 0.00 | 906 | -28.0 |
| 42 | Angulo Rosa, Norberto | 1575 | ESP | F | F | −31N | −19B | −29N | −38B | 0.0 | 8.0 | 8.0 | 0.00 | 921 | -48.4 |
| 43 | Alonso de la Huerta, Jose Antonio | 1475 | ESP | F | F | −3B | −35N | F | F | 0.0 | 6.0 | 6.0 | 0.00 | 931 | -7.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Xu, ChenjieESP+87.24.5 pts · #4
- 2Benitez Butron, DanielESP+56.02.5 pts · #27
- 3Siliceo Capilla, AlfonsoESP+38.65.0 pts · #2
Top rating losers
- 1Heredia Jimenez, MiguelESP-88.81.0 pts · #36
- 2Angulo Rosa, NorbertoESP-48.40.0 pts · #42
- 3Gomez Jaen, Antonio MariaESP-44.80.0 pts · #41
Biggest upsets
- R1+368 Elo gap
- R1+307 Elo gap
- R3+267 Elo gap