II Open Social de Ajedrez Rondas 2-4
Open SwissStandard
46 players participated in this 4-round tournament, held from 11 May 2025 to 25 May 2025 in Pozuelo de Alarcon (Madrid), Spain. 1 titled players from 2 federations. Top 10 Elo average was 1902, and top seed was Daniel Pinto (🇧🇴 BOL, FM, 2321).
Juan Antonio Marquez Leon (🇪🇸 ESP, 2003) won with 3.0/4, ahead of Daniel Pinto (3.0) and Eduardo Perez Alvarez (3.0). Marquez Leon shared the lead from round 1, winning on tie-break.
The biggest upset came in round 2: Vasco Cardoso Jimenez (1643) beat Javier Alejandro Marquetti Castano (1860), a +217-point gap.
Location
🇪🇸Pozuelo de Alarcon (Madrid), Spain
Dates
11 May 2025 → 25 May 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 4 rounds
Titled players · 1
FM×1
Federations · 2 represented
🇪🇸Spain×44
🇧🇴Bolivia×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsTight race until R4; 3 players tied at 3.0/4, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 3 at the finish.
Co-leaders
46
17
5
3
R4 · TIEBREAK CLUSTER
3 players finish on 3.0/4. Marquez Leon takes the title on Buchholz Cut1 (4.5).
WIN STREAKS · 3 top finishers
FM Daniel Pinto 3 wins (R2–R4)Eduardo Perez Alvarez 3 wins (R2–R4)Juan Antonio Marquez Leon 3 wins (R2–R4)
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Marquez Leon, Juan Antonio | 2003 | ESP | F | +15N | +7B | +32N | 3.0 | 4.5 | 4.5 | 4.50 | 2551 | +14.4 |
| 2 | Pinto, DanielFM | 2321 | BOL | F | +23B | +41N | +6B | 3.0 | 3.0 | 3.0 | 3.00 | 2700 | +4.8 |
| 3 | Perez Alvarez, Eduardo | 1816 | ESP | F | +40N | +20B | +5N | 3.0 | 3.0 | 3.0 | 3.00 | 2492 | +19.6 |
| 4 | Lobato Rivero, Carlos | 1971 | ESP | F | +26N | =24B | +20N | 2.5 | 3.0 | 3.0 | 2.50 | 1989 | +1.6 |
| 5 | Huerta Marroquin, Borja | 1765 | ESP | F | +8N | +14B | −3B | 2.0 | 6.5 | 6.5 | 3.50 | 1797 | +4.2 |
| 6 | Prieto Diez, Manuel | 1646 | ESP | F | +21N | +9B | −2N | 2.0 | 6.0 | 6.0 | 3.00 | 1968 | +23.4 |
| 7 | Toledo Aguirre, Gonzalo | 1930 | ESP | F | +30B | −1N | +44B | 2.0 | 4.0 | 4.0 | 1.00 | 1846 | -3.8 |
| 8 | Gonzalez Arganda, Ernesto | 1539 | ESP | F | −5B | +16N | +41B | 2.0 | 3.5 | 3.5 | 1.50 | 1798 | +19.6 |
| 9 | Yaniz Lana, Francisco Javier | 1692 | ESP | F | +44B | −6N | +31B | 2.0 | 3.0 | 3.0 | 1.00 | 1633 | -3.6 |
| 10 | Calles Gutierrez, Juan Felipe | 1609 | ESP | F | +28B | F | +21N | 2.0 | 2.0 | 2.0 | 2.00 | 2517 | +25.4 |
| 11 | Ruiz Guirao, Juan Antonio | 1589 | ESP | F | +33N | −21B | +45N | 2.0 | 2.0 | 2.0 | 1.00 | 1597 | +1.6 |
| 12 | Hernandez Pico, Mario | 1580 | ESP | F | +27B | F | +38N | 2.0 | 1.5 | 1.5 | 1.50 | 2398 | +42.8 |
| 13 | Valor Escribano, Felix | 1422 | ESP | F | −22N | +42B | +37N | 2.0 | 1.5 | 1.5 | 0.50 | 1581 | 0.0 |
| 14 | Cardoso Jimenez, Vasco | 1643 | ESP | F | +25B | −5N | =18B | 1.5 | 4.5 | 4.5 | 1.75 | 1764 | +9.4 |
| 15 | Perez de las Penas, Jorge Ivan | 1614 | ESP | F | −1B | =29N | +43B | 1.5 | 4.0 | 4.0 | 0.50 | 1562 | -4.2 |
| 16 | Carbo de Haya, Jaime | 1604 | ESP | F | =39N | −8B | +22N | 1.5 | 3.5 | 3.5 | 1.25 | 1579 | -2.8 |
| 17 | Martin Santos, Ignacio | 1676 | ESP | F | =24N | F | +25B | 1.5 | 2.0 | 2.0 | 1.50 | 2075 | +20.4 |
| 18 | Plasencia Fraile, Bruno | 1690 | ESP | F | +46N | F | =14N | 1.5 | 1.5 | 1.5 | 0.75 | 1748 | +3.6 |
| 19 | Alonso Ibanez, Jose | 1574 | ESP | F | +45N | =38B | −34N | 1.5 | 1.5 | 1.5 | 0.25 | 1544 | -1.2 |
| 20 | Lage Perez, Carlos Alberto | 1686 | ESP | F | +31B | −3N | −4B | 1.0 | 6.5 | 6.5 | 1.00 | 1092 | -20.0 |
| 21 | Forteza Ribot, Joan | 1777 | ESP | F | −6B | +11N | −10B | 1.0 | 6.0 | 6.0 | 2.00 | 1491 | -23.2 |
| 22 | Fraile Gonzalez, Juan Jose | 1574 | ESP | F | +13B | −25N | −16B | 1.0 | 4.5 | 4.5 | 2.00 | 939 | -11.8 |
| 23 | Aguado Boto, Laura | 1639 | ESP | F | −2N | +37B | −35N | 1.0 | 4.5 | 4.5 | 0.50 | 1604 | -5.0 |
| 24 | Ortega Sanchez Montanez, Marcos | 1823 | ESP | F | =17B | =4N | F | 1.0 | 4.0 | 4.0 | 2.00 | 1822 | -7.6 |
| 25 | Marquetti Castano, Javier Alejandro | 1860 | ESP | F | −14N | +22B | −17N | 1.0 | 4.0 | 4.0 | 1.00 | 1506 | -54.8 |
| 26 | Fernandez Diez, Julio | 0 | ESP | F | −4B | −30N | +46B | 1.0 | 3.5 | 3.5 | 0.00 | 1543 | 0.0 |
| 27 | Navarro Escobedo, Daniel | 1476 | ESP | F | −12N | +33B | F | 1.0 | 3.0 | 3.0 | 1.00 | 1491 | +2.4 |
| 28 | Cadenas Rodriguez, Gonzalo | 1652 | ESP | F | −10N | F | +29B | 1.0 | 3.0 | 3.0 | 1.00 | 1577 | -4.2 |
| 29 | Plaza Rodriguez, Ladislao | 1543 | ESP | F | =37N | =15B | −28N | 1.0 | 3.0 | 3.0 | 1.00 | 1495 | -3.0 |
| 30 | Lopez Sanchez, Angel 1968 | 1571 | ESP | F | −7N | +26B | F | 1.0 | 3.0 | 3.0 | 1.00 | 1128 | -2.2 |
| 31 | Morencia Fernandez, Julian | 0 | ESP | F | −20N | +40B | −9N | 1.0 | 3.0 | 3.0 | 0.00 | 1550 | 0.0 |
| 32 | Martinez Fajardo, Julio Enrique | 1699 | ESP | F | +43N | F | −1B | 1.0 | 3.0 | 3.0 | 0.00 | 1173 | -7.2 |
| 33 | Plasencia Robles, Gerardo | 1421 | ESP | F | −11B | −27N | +42B | 1.0 | 3.0 | 3.0 | 0.00 | 724 | -28.0 |
| 34 | De Zulueta Miranda, Juan | 1755 | ESP | F | F | F | +19B | 1.0 | 1.5 | 1.5 | 1.50 | 2373 | +10.8 |
| 35 | Sanchez Galvez, Fernando | 1571 | ESP | F | F | F | +23B | 1.0 | 1.0 | 1.0 | 1.00 | 2435 | +24.4 |
| 36 | Almansa Recasens, Juan | 0 | ESP | F | F | F | +40N | 1.0 | 0.0 | 0.0 | 0.00 | 1651 | 0.0 |
| 37 | Centeno Mateos, Domingo | 1597 | ESP | F | =29B | −23N | −13B | 0.5 | 4.0 | 4.0 | 0.50 | 1393 | -10.4 |
| 38 | Iglesias Montes, Lucas | 1667 | ESP | F | F | =19N | −12B | 0.5 | 3.5 | 3.5 | 0.75 | 1378 | -36.8 |
| 39 | Gandarias Geller, Marcos | 1614 | ESP | F | =16B | F | F | 0.5 | 1.5 | 1.5 | 0.75 | 1611 | 0.0 |
| 40 | Cortijo Manso, Luis | 1631 | ESP | F | −3B | −31N | −36B | 0.0 | 5.0 | 5.0 | 0.00 | 1020 | -5.0 |
| 41 | Romero Taranilla, Guillermo | 1653 | ESP | F | F | −2B | −8N | 0.0 | 5.0 | 5.0 | 0.00 | 1007 | -29.2 |
| 42 | FIDE 535092300 | 0 | — | F | F | −13N | −33N | 0.0 | 4.0 | 4.0 | 0.00 | 612 | 0.0 |
| 43 | Wu, Ziyang | 0 | ESP | F | −32B | F | −15N | 0.0 | 4.0 | 4.0 | 0.00 | 863 | 0.0 |
| 44 | Almansa Lapeira, Jose Manuel | 1615 | ESP | F | −9N | F | −7N | 0.0 | 4.0 | 4.0 | 0.00 | 1013 | -21.2 |
| 45 | Gutierrez Gottinger, Alfonso | 0 | ESP | F | −19B | F | −11B | 0.0 | 3.5 | 3.5 | 0.00 | 777 | 0.0 |
| 46 | Marsal Pla, Jaime | 1465 | ESP | F | −18B | F | −26N | 0.0 | 2.5 | 2.5 | 0.00 | 876 | -4.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Hernandez Pico, MarioESP+42.82.0 pts · #4
- 2Calles Gutierrez, Juan FelipeESP+25.42.0 pts · #6
- 3Sanchez Galvez, FernandoESP+24.41.0 pts · #28
Top rating losers
- 1Marquetti Castano, Javier AlejandroESP-54.81.0 pts · #16
- 2Iglesias Montes, LucasESP-36.80.5 pts · #34
- 3Romero Taranilla, GuillermoESP-29.20.0 pts · #44
Biggest upsets
- R2+217 Elo gap
- R4+184 Elo gap
- R4+175 Elo gap