XXXI CAMPEONATO REGIONAL DE AJEDREZ POR EDADES 2026 SUB 12
30 players participated in this 6-round tournament, held from 14 Mar 2026 to 15 Mar 2026 in Murcia, Spain. Top 10 Elo average was 1620, and top seed was Lucas Pastor Pastor (🇪🇸 ESP, 1991).
Marcos Ruiz Castillejos (🇪🇸 ESP, 1831) won with 5.0/6, ahead of Lucas Pastor Pastor (5.0) and Daniel Verdu Lajara (5.0). Ruiz Castillejos shared the lead from round 1, winning on tie-break.
The biggest upset came in round 4: Daniel Verdu Lajara (1575) beat Lucas Pastor Pastor (1991), a +416-point gap.
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How it unfolded
Top 6 · 6 roundsTight race until R5; 4 players tied at 5.0/6, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 4 at the finish.
Marcos Ruiz Castillejos held the sole lead from R5 through R6 without losing it.
4 players finish on 5.0/6. Ruiz Castillejos takes the title on Buchholz Cut1 (22.0).
Marcos Ruiz Castillejos lost to Lucas Pastor Pastor (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Marcos Ruiz Castillejos | * | 0 | 1 | 1 |
| 2Lucas Pastor Pastor | 1 | * | 0 | — |
| 3Daniel Verdu Lajara | 0 | 1 | * | — |
| 4Pedro Jordan Paiva | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ruiz Castillejos, Marcos | 1831 | ESP | +29N | +13B | +6N | +4B | +3N | −2B | 5.0 | 22.0 | 23.0 | 18.00 | 1872 | +14.0 |
| 2 | Pastor Pastor, Lucas | 1991 | ESP | +27B | +12N | +7B | −3N | +6B | +1N | 5.0 | 21.0 | 22.5 | 17.50 | 1878 | -15.6 |
| 3 | Verdu Lajara, Daniel | 1575 | ESP | +26N | +15B | +5N | +2B | −1B | +11N | 5.0 | 20.5 | 22.5 | 17.50 | 1897 | +46.4 |
| 4 | Jordan Paiva, Pedro | 1575 | ESP | +17B | +25N | +10B | −1N | +14B | +5N | 5.0 | 18.5 | 20.5 | 15.50 | 1688 | +10.8 |
| 5 | Zapata Salas, Alberto | 0 | ESP | +9B | +11N | −3B | +10N | +7B | −4B | 4.0 | 21.0 | 24.5 | 14.50 | 1573 | 0.0 |
| 6 | Sanchez Munoz-Calero, Armando | 1529 | ESP | +20B | +24N | −1B | +17N | −2N | +16B | 4.0 | 19.0 | 21.0 | 11.00 | 1079 | -9.2 |
| 7 | Antolinos Merono, Enzo | 1556 | ESP | +14B | +21N | −2N | +9B | −5N | +12B | 4.0 | 18.5 | 21.0 | 12.00 | 1692 | +10.0 |
| 8 | Gomez Lopez, Jorge 2014 | 1599 | ESP | F | F | +19N | +23B | +22N | +13B | 4.0 | 10.5 | 10.5 | 10.50 | 2292 | +14.0 |
| 9 | Domenech Perez, Javier | 0 | ESP | −5N | +16B | +18N | −7N | +15B | =10N | 3.5 | 17.5 | 20.5 | 10.75 | 1358 | 0.0 |
| 10 | Garcia Pazos, Juan Carlos | 1545 | ESP | +23N | +18B | −4N | −5B | +24N | =9B | 3.5 | 17.5 | 19.5 | 8.75 | 776 | -18.4 |
| 11 | Pagan Perez, Sandra | 1514 | ESP | +16N | −5B | +26N | =22B | +21N | −3B | 3.5 | 17.0 | 19.0 | 8.75 | 772 | -16.8 |
| 12 | Vera Perez, Gael | 1431 | ESP | +28N | −2B | +23B | −14N | +18B | −7N | 3.0 | 17.0 | 18.0 | 6.00 | 892 | -16.4 |
| 13 | Maldonado Vidal, Antonio Miguel | 1484 | ESP | +30B | −1N | −14B | +27N | +20B | −8N | 3.0 | 16.5 | 17.5 | 5.50 | 915 | -18.8 |
| 14 | Martinez Oliva, Diego | 0 | ESP | −7N | +?B | +13N | +12B | −4N | F | 3.0 | 15.0 | 15.0 | 6.00 | 1513 | 0.0 |
| 15 | FIDE 535076100 | 0 | — | +?N | −3N | +25B | −21B | −9N | +23B | 3.0 | 15.0 | 15.0 | 4.00 | 772 | 0.0 |
| 16 | FIDE 553062191 | 0 | — | −11B | −9N | +?B | +25N | +27B | −6N | 3.0 | 14.5 | 14.5 | 3.50 | 721 | 0.0 |
| 17 | FIDE 535076054 | 0 | — | −4N | +?B | +24N | −6B | +28N | −22B | 3.0 | 14.5 | 14.5 | 3.00 | 752 | 0.0 |
| 18 | Sanchez Martin, Miguel Angel | 0 | ESP | +?B | −10N | −9B | +26B | −12N | +27N | 3.0 | 13.5 | 13.5 | 3.50 | 686 | 0.0 |
| 19 | FIDE 553062140 | 0 | — | −24B | −23N | −8B | +30N | +?N | +21B | 3.0 | 11.5 | 11.5 | 3.50 | 799 | 0.0 |
| 20 | FIDE 553024109 | 0 | — | −6N | F | +?B | +?B | −13N | +24B | 3.0 | 9.0 | 9.0 | 2.00 | 710 | 0.0 |
| 21 | FIDE 535091231 | 0 | — | +?N | −7B | =27B | +15N | −11B | −19N | 2.5 | 15.0 | 15.0 | 3.75 | 735 | 0.0 |
| 22 | FIDE 553062302 | 0 | — | −25B | F | +29N | =11N | −8B | +17N | 2.5 | 13.5 | 13.5 | 5.75 | 1364 | 0.0 |
| 23 | FIDE 553057260 | 0 | — | −10B | +19B | −12N | −8N | +30B | −15N | 2.0 | 16.5 | 17.5 | 4.00 | 724 | 0.0 |
| 24 | FIDE 553062329 | 0 | — | +19N | −6B | −17B | +?N | −10B | −20N | 2.0 | 16.5 | 16.5 | 3.00 | 737 | 0.0 |
| 25 | FIDE 553062221 | 0 | — | +22N | −4B | −15N | −16B | −26N | +?B | 2.0 | 15.5 | 15.5 | 2.50 | 776 | 0.0 |
| 26 | FIDE 553024150 | 0 | — | −3B | +?N | −11B | −18N | +25B | −28N | 2.0 | 14.5 | 14.5 | 2.00 | 743 | 0.0 |
| 27 | FIDE 553062361 | 0 | — | −2N | +28B | =21N | −13B | −16N | −18B | 1.5 | 16.5 | 17.5 | 2.25 | 941 | 0.0 |
| 28 | Naula Pineda, Michael Andrei | 0 | ESP | −12B | −27N | F | F | −17B | +26B | 1.0 | 10.5 | 10.5 | 2.00 | 627 | 0.0 |
| 29 | Lopez Bueno, Roi | 0 | ESP | −1B | +30N | −22B | F | F | F | 1.0 | 9.5 | 9.5 | 1.00 | 1030 | 0.0 |
| 30 | FIDE 553057082 | 0 | — | −13N | −29B | −?N | −19B | −23N | +?B | 1.0 | 9.0 | 9.0 | 0.00 | 692 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Verdu Lajara, DanielESP+46.45.0 pts · #4
- 2Ruiz Castillejos, MarcosESP+14.05.0 pts · #1
- 3Gomez Lopez, Jorge 2014ESP+14.04.0 pts · #8
- 1Maldonado Vidal, Antonio MiguelESP-18.83.0 pts · #11
- 2Garcia Pazos, Juan CarlosESP-18.43.5 pts · #29
- 3Pagan Perez, SandraESP-16.83.5 pts · #17
- R4+416 Elo gap