I Open Promesas del Ajedrez Sub-14

Open SwissStandard

44 players participated in this 6-round tournament, held from 13 Jun 2025 to 15 Jun 2025 in Pamplona, Spain. Top 10 Elo average was 1879, and top seed was Jon Bocos Delgado (🇪🇸 ESP, 2041).

Saul Martinez Mateos (🇪🇸 ESP, 1916) won with 5.0/6, ahead of Diego Soto Fernandez (5.0) and Hector Pires Fernandez (4.5). Martinez Mateos took the lead from round 5, winning on tie-break.

The biggest upset came in round 2: Hector Pires Fernandez (1551) beat Maria Saez de Adana Saez (1901), a +350-point gap.

Location

🇪🇸Pamplona, Spain

Dates

13 Jun 2025 → 15 Jun 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇪🇸Jon Bocos Delgado2041

Avg top 10

1,879

Participants

Federations · 1 represented

🇪🇸Spain×42

Top 3

🥇
Saul Martinez Mateos
🇪🇸ESP·1916
5.0pts·2014perf+30.8
🥈
Diego Soto Fernandez
🇪🇸ESP·1815
5.0pts·2001perf+56.0
🥉
Hector Pires Fernandez
🇪🇸ESP·1551
4.5pts·1955perf+119.2

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 5.0/6, decided on Buchholz.

Co-leaders

Soto Fernandez5Martinez Mateos5Pires Fernandez4.5Burriel Ureta4.5Llera Lechon4.5Gonzalez Bello4.5— ex-leaders:Bocos Delgadoled R4, #8

R5 · LEADER CHANGE15 Jun

Saul Martinez Mateos takes the sole lead (4.5/5).

R6 · TIEBREAK CLUSTER

2 players finish on 5.0/6. Martinez Mateos takes the title on Buchholz Cut1 (19.0).

R3–R5 · WIN STREAK

Saul Martinez Mateos won 3 in a row (R3–R5).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Diego Soto Fernandez	*	—	—	—
2Saul Martinez Mateos	—	*	1	—
3Hector Pires Fernandez	—	0	*	—
4Raul Burriel Ureta	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Martinez Mateos, Saul	1916	ESP	+21B	=19N	+14B	+3N	+7B	=11N	5.0	19.0	22.0	18.50	2014	+30.8
2	Soto Fernandez, Diego	1815	ESP	=13N	+32B	+28N	=8N	+10B	+7N	5.0	18.0	20.0	16.25	2001	+56.0
3	Pires Fernandez, Hector	1551	ESP	+22N	+18B	=9N	−1B	+16N	+13B	4.5	19.5	22.5	15.50	1955	+119.2
4	Llera Lechon, Pilar	1602	ESP	+6B	+26N	−8B	+15N	+12N	=9B	4.5	19.5	22.0	16.00	2015	+124.8
5	Gonzalez Bello, Oier	1762	ESP	+29B	−10N	+21B	+38N	+8B	=6N	4.5	18.0	19.0	12.75	1872	+28.4
6	Burriel Ureta, Raul	1944	ESP	−4N	+33B	+31N	+17B	+23N	=5B	4.5	17.5	19.5	12.75	1837	-22.0
7	Bocos Delgado, Jon	2041	ESP	+16N	+23B	+17N	+12B	−1N	−2B	4.0	20.5	23.5	13.50	1882	-38.8
8	Mansor Habash, Zouheir	1945	ESP	+30B	=14N	+4N	=2B	−5N	+20B	4.0	20.5	23.0	14.25	1807	-34.4
9	Sanz Gomez, Jaro	1731	ESP	+27B	+38N	=3B	−11N	+14B	=4N	4.0	19.0	20.0	11.50	1712	-3.2
10	Molinero Castejon, Diego	1653	ESP	+37N	+5B	−12N	+28B	−2N	+23B	4.0	18.5	20.0	11.50	1825	+46.8
11	Tafall Villanueva, Gorka	1841	ESP	+31N	=28B	+25N	+9B	F	=1B	4.0	17.5	19.5	12.75	1928	+23.2
12	Melchor Martinez, Tristan	1782	ESP	+20B	+35N	+10B	−7N	−4B	=15N	3.5	19.0	21.0	10.75	1771	-2.0
13	Jimenez Escudero, Daniel	1548	ESP	=2B	+34N	=19B	+26N	=18B	−3N	3.5	18.5	20.5	10.25	1784	+71.6
14	Diaz Etxaide, Jon	1728	ESP	+41N	=8B	−1N	+25B	−9N	+27B	3.5	18.5	19.5	8.50	1736	+6.0
15	Echavarri Arraras, Jon	1771	ESP	+24N	−17B	+39N	−4B	+21N	=12B	3.5	17.5	18.5	8.75	1633	-35.2
16	Lamborena Valderrama, Garazi	1646	ESP	−7B	=27N	+20B	+34N	−3B	+29N	3.5	16.5	18.5	8.75	1680	+9.2
17	Alfaro Aldunate, Amaya	1668	ESP	+39B	+15N	−7B	−6N	=26B	+32N	3.5	16.5	17.5	7.75	1803	+31.2
18	Saez de Adana Saez, Maria	1901	ESP	F	−3N	+27B	+30B	=13N	+24B	3.5	16.0	16.0	9.75	1705	-36.8
19	Bayod Martinez, Angel	1716	ESP	+36N	=1B	=13N	−22B	−20N	+33B	3.0	16.5	18.5	8.25	1593	-32.8
20	Gomez Lorenzo, Alvaro 2012	1547	ESP	−12N	+37B	−16N	+31B	+19B	−8N	3.0	16.0	17.5	6.50	1657	+23.2
21	Zemler Hoppe, Jana	1570	ESP	−1N	+43B	−5N	+39B	−15B	+31N	3.0	16.0	16.5	3.50	1561	-4.0
22	Juan Miguel, Javier	1830	ESP	−3B	+29N	+35B	+19N	F	F	3.0	16.0	16.0	7.50	1803	-2.4
23	Gonzalo Lera, Jara	1721	ESP	+40B	−7N	+38B	+32N	−6B	−10N	3.0	15.5	16.5	4.00	1637	-23.2
24	Iraizoz Moreno, Inigo	1546	ESP	−15B	+44N	−26B	+40N	+35B	−18N	3.0	12.5	12.5	3.00	1630	+17.2
25	Lazcoz Zufiaur, Oier	1552	ESP	F	+42N	−11B	−14N	+41B	+26N	3.0	12.0	12.0	4.50	1709	+40.4
26	Viana Aznar, Kaiet	1762	ESP	+33N	−4B	+24N	−13B	=17N	−25B	2.5	17.5	19.5	6.75	1509	-79.6
27	Echarri Ilarregui, Julen	1483	ESP	−9N	=16B	−18N	+37B	+34B	−14N	2.5	16.5	18.0	5.25	1571	+16.8
28	Sagarzazu Fernandez, Benat	1679	ESP	+44B	=11N	−2B	−10N	−32B	+41N	2.5	16.0	16.0	3.00	1502	-46.8
29	Pan, Haoquan	1501	ESP	−5N	−22B	=43N	+36B	+30N	−16B	2.5	15.5	16.0	4.75	1526	+2.8
30	Miguel Ortiz, Iker	1632	ESP	−8N	=36B	+41B	−18N	−29B	+40N	2.5	13.0	14.0	3.00	1569	-20.8
31	Echaide Oscoz, Oier	1562	ESP	−11B	+40N	−6B	−20N	+44N	−21B	2.0	15.5	15.5	1.00	1421	-39.2
32	Vilches Garcia, Alex	1507	ESP	F	−2N	+42B	−23B	+28N	−17B	2.0	15.0	15.0	3.50	1586	+18.8
33	Rodriguez Rodriguez, Lara	1484	ESP	−26B	−6N	+44B	−35N	+38B	−19N	2.0	13.0	13.0	1.00	959	-28.8
34	Barrasa Garcia, Arturo	1623	ESP	F	−13B	+36N	−16B	−27N	+39B	2.0	12.5	12.5	3.00	758	-69.2
35	Migueltorena Tellechea, Imanol	1672	ESP	+43N	−12B	−22N	+33B	−24N	F	2.0	12.0	12.0	2.50	1467	-42.0
36	Armas Lozano, Kimey	0	ESP	−19B	=30N	−34B	−29N	=42N	+44B	2.0	11.0	11.0	1.75	1335	0.0
37	FIDE 553000285	0	—	−10B	−20N	−40B	−27N	+43N	=42B	1.5	11.5	12.0	1.00	1133	0.0
38	FIDE 34169016	0	—	F	−9B	−23N	−5B	−33N	+43B	1.0	14.0	14.0	0.50	877	0.0
39	Echeverria Mugica, Inaki	0	ESP	−17N	F	−15B	−21N	+40B	−34N	1.0	13.0	13.0	1.00	1366	0.0
40	Arrizabalaga Anitua, Luken	1406	ESP	−23N	−31B	+37N	−24B	−39N	−30B	1.0	12.0	13.0	1.50	815	-38.0
41	Alfonso Tornos, Oier	1448	ESP	−14B	F	−30N	+43B	−25N	−28B	1.0	12.0	12.0	0.50	848	-39.6
42	Elizalde Valganon, Yago	1409	ESP	F	−25B	−32N	F	=36B	=37N	1.0	8.5	8.5	1.75	726	-27.6
43	De Castro Esparza, Cesar	0	ESP	−35B	−21N	=29B	−41N	−37B	−38N	0.5	10.0	11.0	1.25	1226	0.0
44	Bertea Sofrone, Lucas Octavian	0	ESP	−28N	−24B	−33N	F	−31B	−36N	0.0	11.5	11.5	0.00	768	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Llera Lechon, PilarESP
+124.8
4.5 pts · #5
2Pires Fernandez, HectorESP
+119.2
4.5 pts · #3
3Jimenez Escudero, DanielESP
+71.6
3.5 pts · #13

Top rating losers

1Viana Aznar, KaietESP
-79.6
2.5 pts · #20
2Barrasa Garcia, ArturoESP
-69.2
2.0 pts · #40
3Sagarzazu Fernandez, BenatESP
-46.8
2.5 pts · #29

Biggest upsets

R2+350 Elo gap
Pires Fernandez, Hector1551 beat Saez de Adana Saez, Maria1901
R1+342 Elo gap
Llera Lechon, Pilar1602 beat Burriel Ureta, Raul1944
R1+279 Elo gap
Pires Fernandez, Hector1551 beat Juan Miguel, Javier1830