I Torneo de Ajedrez Los Alcazares Sub 1800
Open SwissStandard
47 players participated in this 6-round tournament, held from 28 Feb 2026 to 01 Mar 2026 in Los Alcazares (Murcia), Spain. 2 federations represented. Top 10 Elo average was 1733, and top seed was Ruben Parra Gonzalez (🇪🇸 ESP, 1788).
Alberto Jose Perez Martinez (🇪🇸 ESP, 1511) won with 5.5/6, ahead of Juan Montero Melendez (5.0) and Sergio Martinez Oliva (4.5). Perez Martinez took the lead from round 4.
The biggest upset came in round 1: Alberto Jose Perez Martinez (1511) beat Daniel Arenas Gracia (1776), a +265-point gap.
Location
🇪🇸Los Alcazares (Murcia), Spain
Dates
28 Feb 2026 → 01 Mar 2026
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 6 rounds
Federations · 2 represented
🇪🇸Spain×38
FIDE (no federation)×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsAlberto Jose Perez Martinez led from R4; +0.5-point edge over the runner-up.
Co-leaders
22
9
4
1
1
1
Perez Martinez5.5Montero Melendez5Martinez Garcia4.5Almau Izquierdo4.5Arenas Gracia4.5Martinez Oliva4.5
R4–R6 · LEAD HELD
Alberto Jose Perez Martinez held the sole lead from R4 through R6 without losing it.
WIN STREAKS · 2 top finishers
Alberto Jose Perez Martinez 5 wins (R1–R5)Antonio Javier Martinez Garcia 3 wins (R2–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Alberto Jose Perez Martinez | * | — | 1 | ½ |
| 2Juan Montero Melendez | — | * | — | ½ |
| 3Antonio Javier Martinez Garcia | 0 | — | * | — |
| 4Ivan Almau Izquierdo | ½ | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Perez Martinez, Alberto Jose | 1511 | ESP | +4B | +8N | +11B | +3N | +6B | =5N | 5.5 | 22.0 | 26.0 | 23.75 | 2121 | +163.6 |
| 2 | Montero Melendez, Juan | 1714 | ESP | +33B | +7N | =16B | +28N | =5B | +8N | 5.0 | 18.0 | 20.0 | 16.25 | 1858 | +20.0 |
| 3 | Martinez Oliva, Sergio | 1678 | ESP | +21N | +38B | +9N | −1B | +7N | =4B | 4.5 | 21.0 | 23.0 | 15.25 | 1784 | +14.2 |
| 4 | Arenas Gracia, Daniel | 1776 | ESP | −1N | +30N | +17B | +22B | +13N | =3N | 4.5 | 19.5 | 22.0 | 14.25 | 1758 | -1.2 |
| 5 | Almau Izquierdo, Ivan | 1708 | ESP | +40N | +19B | +29N | =13B | =2N | =1B | 4.5 | 19.5 | 21.0 | 14.00 | 1793 | +28.0 |
| 6 | Martinez Garcia, Antonio Javier | 1739 | ESP | =30B | +35N | +10B | +16N | −1N | +13B | 4.5 | 18.5 | 20.5 | 13.75 | 1756 | +2.8 |
| 7 | Fernandez Ballester, Antonio F | 1604 | ESP | +14N | −2B | +40N | +9B | −3B | +17N | 4.0 | 20.0 | 21.5 | 12.00 | 1686 | +11.4 |
| 8 | Santos Saura, Aedan | 1666 | ESP | +44N | −1B | +20N | +29B | +32N | −2B | 4.0 | 18.0 | 19.0 | 8.50 | 1713 | +7.2 |
| 9 | Almau Lopez, Carlos | 1753 | ESP | +18B | +23N | −3B | −7N | +19B | +16N | 4.0 | 17.5 | 20.5 | 12.00 | 1699 | -7.4 |
| 10 | Caballero Frutos, Jose Alfredo | 1685 | ESP | +34B | =27N | −6N | +24B | +18N | =12B | 4.0 | 17.5 | 19.5 | 11.50 | 1675 | +0.4 |
| 11 | Betanzos Atienza, Miguel | 1750 | ESP | +20N | =28B | −1N | +36B | =27N | +38B | 4.0 | 16.0 | 18.0 | 9.75 | 1600 | -17.8 |
| 12 | Navarro Aguera, Miguel | 0 | ESP | −16B | +34N | =35B | +?N | +28B | =10N | 4.0 | 13.5 | 13.5 | 7.50 | 1670 | -9.6 |
| 13 | Horoshchuk, Myhailo | 1653 | ESP | +15B | +39N | +32B | =5N | −4B | −6N | 3.5 | 19.0 | 21.0 | 9.75 | 1653 | -0.4 |
| 14 | Martinez Oliva, Diego | 0 | ESP | −7B | +33N | =?B | −17N | +35B | +30N | 3.5 | 13.5 | 13.5 | 6.50 | 1535 | 0.0 |
| 15 | FIDE 94786569 | 0 | — | −13N | −17N | =37B | +46B | +36N | +29B | 3.5 | 13.0 | 13.5 | 6.00 | 1529 | 0.0 |
| 16 | Sanchez Martin, Leandro | 1540 | ESP | +12N | +25B | =2N | −6B | =29N | −9B | 3.0 | 20.5 | 23.0 | 10.75 | 1662 | +32.4 |
| 17 | Hernandez Sanchez, Juan Manuel | 1520 | ESP | −29N | +15B | −4N | +14B | +23N | −7B | 3.0 | 18.5 | 21.0 | 10.00 | 1503 | -4.4 |
| 18 | Lopez Ronquillo, Juan Vicente | 1486 | ESP | −9N | +31B | F | +30N | −10B | +22B | 3.0 | 16.0 | 16.0 | 8.00 | 1616 | +13.4 |
| 19 | Araque Bolivar, Miguel Angel | 1530 | ESP | +41B | −5N | +39B | F | −9N | +28B | 3.0 | 15.0 | 16.5 | 6.00 | 1553 | +1.4 |
| 20 | Garre Heredia, Daniel | 1457 | ESP | −11B | +42N | −8B | −21N | +37B | +34N | 3.0 | 15.0 | 16.0 | 5.00 | 1481 | +1.6 |
| 21 | Aguiar Alcaraz, Adrian | 0 | ESP | −3B | +41N | −22N | +20B | +?B | −26N | 3.0 | 15.0 | 15.0 | 4.50 | 1503 | 0.0 |
| 22 | Rosique Martinez, Javier | 1571 | ESP | +37B | −32N | +21B | −4N | +33B | −18N | 3.0 | 14.5 | 16.5 | 7.00 | 1414 | -16.6 |
| 23 | Jordan Paiva, Pedro | 1616 | ESP | +42B | −9B | −24N | +34N | −17B | +33N | 3.0 | 14.0 | 15.0 | 5.00 | 1435 | -48.8 |
| 24 | Garcia Olmo, Marco | 1432 | ESP | −32B | +47N | +23B | −10N | −26B | +45N | 3.0 | 13.0 | 13.0 | 4.00 | 1474 | +6.8 |
| 25 | Ruiz Plazas, Jesus Maria | 1677 | FID | +36B | −16N | −28N | +40B | −38N | +44B | 3.0 | 11.0 | 12.0 | 4.50 | 1316 | -37.4 |
| 26 | Sanchez Rosique, Aitana | 1630 | ESP | +31N | −29B | F | F | +24N | +21B | 3.0 | 11.0 | 11.0 | 8.50 | 1610 | -2.0 |
| 27 | Antolinos Merono, Enzo | 1572 | ESP | +43N | =10B | F | F | =11B | +32N | 3.0 | 11.0 | 11.0 | 7.00 | 1849 | +44.0 |
| 28 | Marin Hernandez, Yoel | 1573 | ESP | +47B | =11N | +25B | −2B | −12N | −19N | 2.5 | 19.0 | 19.0 | 5.00 | 1581 | 0.0 |
| 29 | Parra Gonzalez, Ruben | 1788 | ESP | +17B | +26N | −5B | −8N | =16B | −15N | 2.5 | 18.0 | 21.0 | 7.50 | 1611 | -45.6 |
| 30 | Meca Garcia, Mario | 1450 | ESP | =6N | −4B | +46N | −18B | +31N | −14B | 2.5 | 18.0 | 18.5 | 5.25 | 1394 | -10.0 |
| 31 | Hernandez Pastor, Miguel | 0 | ESP | −26B | −18N | +41B | =35N | −30B | +47N | 2.5 | 12.0 | 12.0 | 2.50 | 1206 | 0.0 |
| 32 | Casaliglla Almachi, Christan Enrique | 1737 | ESP | +24N | +22B | −13N | F | −8B | −27B | 2.0 | 16.5 | 19.5 | 6.00 | 1507 | -30.4 |
| 33 | Vera Perez, Gael | 1431 | ESP | −2N | −14B | +42N | +39B | −22N | −23B | 2.0 | 16.5 | 17.5 | 3.00 | 834 | -28.8 |
| 34 | Vivas Asensio, Roberto | 1401 | ESP | −10N | −12B | +47N | −23B | +39N | −20B | 2.0 | 16.0 | 16.0 | 2.00 | 786 | -32.0 |
| 35 | Chinestra Rodriguez, Pablo | 1546 | ESP | F | −6B | =12N | =31B | −14N | +43B | 2.0 | 15.5 | 15.5 | 4.25 | 940 | -9.6 |
| 36 | FIDE 553024087 | 0 | — | −25N | =46B | +43B | −11N | −15B | =37N | 2.0 | 13.5 | 14.0 | 2.25 | 914 | 0.0 |
| 37 | FIDE 553024117 | 0 | — | −22N | −40B | =15N | +43B | −20N | =36B | 2.0 | 13.0 | 14.0 | 3.75 | 677 | 0.0 |
| 38 | Smith Sandford, Gary Paul | 1529 | ESP | +46B | −3N | F | F | +25B | −11N | 2.0 | 12.0 | 12.0 | 3.50 | 1577 | +3.6 |
| 39 | Solano Sanchez, Angel | 0 | ESP | +?B | −13B | −19N | −33N | −34B | +42N | 2.0 | 11.5 | 11.5 | 1.00 | 1270 | 0.0 |
| 40 | Sanchez Martin, Miguel Angel | 1404 | ESP | −5B | +37N | −7B | −25N | −45B | =41N | 1.5 | 15.0 | 16.0 | 2.75 | 863 | 0.0 |
| 41 | FIDE 553019555 | 0 | — | −19N | −21B | −31N | +42B | −43N | =40B | 1.5 | 11.0 | 12.0 | 1.75 | 1274 | 0.0 |
| 42 | FIDE 553024150 | 0 | — | −23N | −20B | −33B | −41N | +46N | −39B | 1.0 | 11.5 | 12.0 | 0.50 | 700 | 0.0 |
| 43 | FIDE 553024109 | 0 | — | −27B | F | −36N | −37N | +41B | −35N | 1.0 | 10.5 | 10.5 | 1.50 | 756 | 0.0 |
| 44 | Botella Garcia, Joaquin | 0 | ESP | −8B | −?N | F | F | +47B | −25N | 1.0 | 7.0 | 7.0 | 0.00 | 828 | 0.0 |
| 45 | Gil Pedreno, Tomas | 0 | ESP | F | F | F | F | +40N | −24B | 1.0 | 4.5 | 4.5 | 1.50 | 1418 | 0.0 |
| 46 | FIDE 553024141 | 0 | — | −38N | =36N | −30B | −15N | −42B | F | 0.5 | 11.0 | 11.0 | 1.00 | 692 | 0.0 |
| 47 | FIDE 553057260 | 0 | — | −28N | −24B | −34B | F | −44N | −31B | 0.0 | 11.0 | 11.0 | 0.00 | 668 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Perez Martinez, Alberto JoseESP+163.65.5 pts · #1
- 2Antolinos Merono, EnzoESP+44.03.0 pts · #17
- 3Sanchez Martin, LeandroESP+32.43.0 pts · #18
Top rating losers
- 1Jordan Paiva, PedroESP-48.83.0 pts · #16
- 2Parra Gonzalez, RubenESP-45.62.5 pts · #14
- 3Ruiz Plazas, Jesus MariaFID-37.43.0 pts · #28
Biggest upsets
- R1+265 Elo gap
- R3+239 Elo gap
- R5+228 Elo gap