CChessStats

XXXI CAMPEONATO REGIONAL DE AJEDREZ POR EDADES 2026 SUB 12

Open SwissStandard

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.

Location
🇪🇸Murcia, Spain
Dates
14 Mar 2026 → 15 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Top seed
Avg top 10
1,620
Participants
30
Federations · 1 represented
🇪🇸Spain×17
Top 3

How it unfolded

Top 6 · 6 rounds

Tight 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.

Co-leaders
16
8
4
2
1
4
1.534.56R1R2R3R4R5R6
R5–R6 · LEAD HELD

Marcos Ruiz Castillejos held the sole lead from R5 through R6 without losing it.

R6 · TIEBREAK CLUSTER

4 players finish on 5.0/6. Ruiz Castillejos takes the title on Buchholz Cut1 (22.0).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Marcos Ruiz Castillejos lost to Lucas Pastor Pastor (White).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Ruiz Castillejos, Marcos1831ESP+29N+13B+6N+4B+3N2B5.022.023.018.001872+14.0
2Pastor Pastor, Lucas1991ESP+27B+12N+7B3N+6B+1N5.021.022.517.501878-15.6
3Verdu Lajara, Daniel1575ESP+26N+15B+5N+2B1B+11N5.020.522.517.501897+46.4
4Jordan Paiva, Pedro1575ESP+17B+25N+10B1N+14B+5N5.018.520.515.501688+10.8
5Zapata Salas, Alberto0ESP+9B+11N3B+10N+7B4B4.021.024.514.5015730.0
6Sanchez Munoz-Calero, Armando1529ESP+20B+24N1B+17N2N+16B4.019.021.011.001079-9.2
7Antolinos Merono, Enzo1556ESP+14B+21N2N+9B5N+12B4.018.521.012.001692+10.0
8Gomez Lopez, Jorge 20141599ESPFF+19N+23B+22N+13B4.010.510.510.502292+14.0
9Domenech Perez, Javier0ESP5N+16B+18N7N+15B=10N3.517.520.510.7513580.0
10Garcia Pazos, Juan Carlos1545ESP+23N+18B4N5B+24N=9B3.517.519.58.75776-18.4
11Pagan Perez, Sandra1514ESP+16N5B+26N=22B+21N3B3.517.019.08.75772-16.8
12Vera Perez, Gael1431ESP+28N2B+23B14N+18B7N3.017.018.06.00892-16.4
13Maldonado Vidal, Antonio Miguel1484ESP+30B1N14B+27N+20B8N3.016.517.55.50915-18.8
14Martinez Oliva, Diego0ESP7N+?B+13N+12B4NF3.015.015.06.0015130.0
15FIDE 5350761000+?N3N+25B21B9N+23B3.015.015.04.007720.0
16FIDE 553062191011B9N+?B+25N+27B6N3.014.514.53.507210.0
17FIDE 53507605404N+?B+24N6B+28N22B3.014.514.53.007520.0
18Sanchez Martin, Miguel Angel0ESP+?B10N9B+26B12N+27N3.013.513.53.506860.0
19FIDE 553062140024B23N8B+30N+?N+21B3.011.511.53.507990.0
20FIDE 55302410906NF+?B+?B13N+24B3.09.09.02.007100.0
21FIDE 5350912310+?N7B=27B+15N11B19N2.515.015.03.757350.0
22FIDE 553062302025BF+29N=11N8B+17N2.513.513.55.7513640.0
23FIDE 553057260010B+19B12N8N+30B15N2.016.517.54.007240.0
24FIDE 5530623290+19N6B17B+?N10B20N2.016.516.53.007370.0
25FIDE 5530622210+22N4B15N16B26N+?B2.015.515.52.507760.0
26FIDE 55302415003B+?N11B18N+25B28N2.014.514.52.007430.0
27FIDE 55306236102N+28B=21N13B16N18B1.516.517.52.259410.0
28Naula Pineda, Michael Andrei0ESP12B27NFF17B+26B1.010.510.52.006270.0
29Lopez Bueno, Roi0ESP1B+30N22BFFF1.09.59.51.0010300.0
30FIDE 553057082013N29B?N19B23N+?B1.09.09.00.006920.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets