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 (πŸ‡ͺπŸ‡Έ ESP, 1991).

Marcos Ruiz Castillejos (πŸ‡ͺπŸ‡Έ 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
πŸ‡ͺπŸ‡ΈMurcia, Spain
Dates
14 Mar 2026 β†’ 15 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss Β· 6 rounds
Top seed
πŸ‡ͺπŸ‡ΈLucas Pastor Pastor1991
Avg top 10
1,620
Participants
30
Federations Β· 1 represented
πŸ‡ͺπŸ‡ΈSpainΓ—17
Top 3

How it unfolded

Top 6 Β· 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 Β· LEAD HELD

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

R6 Β· TIEBREAK CLUSTER

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

R6 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

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

Key matchups Β· top 4

Head-to-head between the four finishers

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΞ”
1Ruiz Castillejos, Marcos1831ESP+29N+13B+6N+4B+3Nβˆ’2B5.022.023.018.001872+14.0
2Pastor Pastor, Lucas1991ESP+27B+12N+7Bβˆ’3N+6B+1N5.021.022.517.501878-15.6
3Verdu Lajara, Daniel1575ESP+26N+15B+5N+2Bβˆ’1B+11N5.020.522.517.501897+46.4
4Jordan Paiva, Pedro1575ESP+17B+25N+10Bβˆ’1N+14B+5N5.018.520.515.501688+10.8
5Zapata Salas, Alberto0ESP+9B+11Nβˆ’3B+10N+7Bβˆ’4B4.021.024.514.5015730.0
6Sanchez Munoz-Calero, Armando1529ESP+20B+24Nβˆ’1B+17Nβˆ’2N+16B4.019.021.011.001079-9.2
7Antolinos Merono, Enzo1556ESP+14B+21Nβˆ’2N+9Bβˆ’5N+12B4.018.521.012.001692+10.0
8Gomez Lopez, Jorge 20141599ESPFF+19N+23B+22N+13B4.010.510.510.502292+14.0
9Domenech Perez, Javier0ESPβˆ’5N+16B+18Nβˆ’7N+15B=10N3.517.520.510.7513580.0
10Garcia Pazos, Juan Carlos1545ESP+23N+18Bβˆ’4Nβˆ’5B+24N=9B3.517.519.58.75776-18.4
11Pagan Perez, Sandra1514ESP+16Nβˆ’5B+26N=22B+21Nβˆ’3B3.517.019.08.75772-16.8
12Vera Perez, Gael1431ESP+28Nβˆ’2B+23Bβˆ’14N+18Bβˆ’7N3.017.018.06.00892-16.4
13Maldonado Vidal, Antonio Miguel1484ESP+30Bβˆ’1Nβˆ’14B+27N+20Bβˆ’8N3.016.517.55.50915-18.8
14Martinez Oliva, Diego0ESPβˆ’7N+?B+13N+12Bβˆ’4NF3.015.015.06.0015130.0
15FIDE 5350761000β€”+?Nβˆ’3N+25Bβˆ’21Bβˆ’9N+23B3.015.015.04.007720.0
16FIDE 5530621910β€”βˆ’11Bβˆ’9N+?B+25N+27Bβˆ’6N3.014.514.53.507210.0
17FIDE 5350760540β€”βˆ’4N+?B+24Nβˆ’6B+28Nβˆ’22B3.014.514.53.007520.0
18Sanchez Martin, Miguel Angel0ESP+?Bβˆ’10Nβˆ’9B+26Bβˆ’12N+27N3.013.513.53.506860.0
19FIDE 5530621400β€”βˆ’24Bβˆ’23Nβˆ’8B+30N+?N+21B3.011.511.53.507990.0
20FIDE 5530241090β€”βˆ’6NF+?B+?Bβˆ’13N+24B3.09.09.02.007100.0
21FIDE 5350912310β€”+?Nβˆ’7B=27B+15Nβˆ’11Bβˆ’19N2.515.015.03.757350.0
22FIDE 5530623020β€”βˆ’25BF+29N=11Nβˆ’8B+17N2.513.513.55.7513640.0
23FIDE 5530572600β€”βˆ’10B+19Bβˆ’12Nβˆ’8N+30Bβˆ’15N2.016.517.54.007240.0
24FIDE 5530623290β€”+19Nβˆ’6Bβˆ’17B+?Nβˆ’10Bβˆ’20N2.016.516.53.007370.0
25FIDE 5530622210β€”+22Nβˆ’4Bβˆ’15Nβˆ’16Bβˆ’26N+?B2.015.515.52.507760.0
26FIDE 5530241500β€”βˆ’3B+?Nβˆ’11Bβˆ’18N+25Bβˆ’28N2.014.514.52.007430.0
27FIDE 5530623610β€”βˆ’2N+28B=21Nβˆ’13Bβˆ’16Nβˆ’18B1.516.517.52.259410.0
28Naula Pineda, Michael Andrei0ESPβˆ’12Bβˆ’27NFFβˆ’17B+26B1.010.510.52.006270.0
29Lopez Bueno, Roi0ESPβˆ’1B+30Nβˆ’22BFFF1.09.59.51.0010300.0
30FIDE 5530570820β€”βˆ’13Nβˆ’29Bβˆ’?Nβˆ’19Bβˆ’23N+?B1.09.09.00.006920.0

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
XXXI CAMPEONATO REGIONAL DE AJEDREZ POR EDADES 2026 SUB 12 β€” Murcia, Spain | Chess Tournament Results | ChessStats