XXV Abierto de la Constitucion

SwissStandard

78 players participated in this 7-round tournament, held from 04 Dec 2025 to 08 Dec 2025 in San Sebastian de los Reyes (Madrid), Spain. 8 titled players from 8 federations. Top 10 Elo average was 2215, and top seed was Hector Elissalt Cardenas (🇪🇸 ESP, IM, 2271).

Alejandro Daniel Rumbos Garcia (🇻🇪 VEN, CM, 2250) won with 6.0/7, ahead of David Hernandez Ramos (5.5) and Roberto Alfaya Marcelo (5.5). Rumbos Garcia shared the lead from round 5 and broke clear in the final round.

The biggest upset came in round 3: Manuel Gonzalez Ferrer (1619) beat Daniel Vecillas Rey (2075), a +456-point gap.

Location

🇪🇸San Sebastian de los Reyes (Madrid), Spain

Dates

04 Dec 2025 → 08 Dec 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇪🇸IMHector Elissalt Cardenas2271

Avg top 10

2,215

Participants

Titled players · 8

IM×1

FM×2

CM×4

WCM×1

Federations · 8 represented

🇪🇸Spain×68

🇲🇽Mexico×2

🇵🇪Peru×2

🇨🇺Cuba×1

🇫🇷France×1

🇵🇹Portugal×1

🇩🇪Germany×1

🇨🇭Switzerland×1

Top 3

🥇
CMAlejandro Daniel Rumbos Garcia
🇻🇪VEN·2250
6.0pts·2388perf+20.8
🥈
David Hernandez Ramos
🇪🇸ESP·2198
5.5pts·2298perf+18.8
🥉
FMRoberto Alfaya Marcelo
🇪🇸ESP·2261
5.5pts·2221perf-2.0

How it unfolded

Top 6 · 7 rounds

CM Alejandro Daniel Rumbos Garcia led from R7; +0.5-point edge over the runner-up.

Co-leaders

Rumbos Garcia6Hernandez Ramos5.5Alfaya Marcelo5.5Machado La Rosa5Martinez Aragon4.5Rojas Fernandez4.5

R7 · LEADER CHANGE08 Dec

CM Alejandro Daniel Rumbos Garcia takes the sole lead (6.0/7).

WIN STREAKS · 2 top finishers

David Hernandez Ramos 4 wins (R1–R4)FM Roberto Alfaya Marcelo 5 wins (R2–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1CMAlejandro Daniel Rumbos Garcia	*	—	—	—
2David Hernandez Ramos	—	*	0	—
3FMRoberto Alfaya Marcelo	—	1	*	—
4Ariel Machado La Rosa	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Rumbos Garcia, Alejandro DanielCM	2250	VEN	+29N	+12B	=7N	+15B	+37B	=5N	+31B	6.0	23.0	26.0	21.50	2388	+20.8
2	Hernandez Ramos, David	2198	ESP	+30N	+34B	+6N	+44B	=5B	−3N	+20B	5.5	24.0	26.5	18.75	2298	+18.8
3	Alfaya Marcelo, RobertoFM	2261	ESP	−19N	+45N	+13B	+46B	+32N	+2B	=5B	5.5	23.0	25.5	19.75	2221	-2.0
4	Machado La Rosa, Ariel	2173	CUB	+33B	+17N	=8B	=14N	+21B	F	+32N	5.0	22.0	22.0	17.75	2244	+10.6
5	Lazaro Azcutia, MiguelCM	2212	ESP	F	+19B	+10N	+20B	=2N	=1B	=3N	4.5	28.5	28.5	20.00	2280	+25.2
6	Rojas Fernandez, Antonio	2039	ESP	+43B	+13N	−2B	=49N	=10N	+19B	=11N	4.5	24.5	27.0	16.00	2056	+11.6
7	Martinez Fernandez, Raul	2156	ESP	+27B	+21N	=1B	=8N	=39B	−20N	+34B	4.5	24.0	27.0	16.75	2090	-8.2
8	Nunez Munoz, Jesus	2046	ESP	+77N	+58B	=4N	=7B	=9N	−11B	+46N	4.5	22.5	22.5	11.50	2132	+18.8
9	Martinez Aragon, Aitor	2105	ESP	F	+41N	+22B	=11N	=8B	=39N	+13B	4.5	22.0	22.0	16.25	2160	+10.6
10	Blanco Barrios, AitanaWCM	1909	ESP	+67N	F	−5B	+42N	=6B	+60N	+23B	4.5	18.5	18.5	11.75	2174	+69.2
11	Rodriguez Avila, AlvaroCM	2251	ESP	+40B	F	+24N	=9B	−31N	+8N	=6B	4.0	23.0	23.0	15.50	2134	-14.8
12	Gilardi Olarrea, Mikel	2010	ESP	+51B	−1N	+33B	+56N	=14B	=23N	−18B	4.0	22.5	24.5	10.75	2030	+6.6
13	Garcia Vieira, Francisco Javier	1875	ESP	+57N	−6B	−3N	+65B	+62N	+59B	−9N	4.0	20.5	22.0	7.50	1964	+12.2
14	Rodriguez Melendez, Juan Humbert	2076	PER	+38B	+56N	=44N	=4B	=12N	=36B	F	4.0	19.5	19.5	12.25	2151	+14.2
15	Quevedo Marin, Manuel	2100	ESP	+63N	F	+35B	−1N	=22B	=21N	+58B	4.0	19.5	19.5	10.00	2058	-4.0
16	Gomez Ferrer, Jesus	1956	ESP	F	+51N	+38B	=28N	−23B	=25N	+33B	4.0	18.5	19.5	11.50	2000	+7.8
17	Arevillca Colque, Jonatan	1934	ESP	+47N	−4B	=63N	−52B	+61B	+54N	=24B	4.0	17.0	18.5	9.00	1794	-39.6
18	Baumann, Kevin	2152	GER	F	F	−19N	+54B	+50N	+49B	+12N	4.0	14.5	14.5	11.00	2121	-1.8
19	Pareja Vicente, Antonio	1868	ESP	+3B	−5N	+18B	−39N	+27B	−6N	=25B	3.5	25.5	28.5	14.75	2025	+25.2
20	Bento Iglesias, Pablo	2035	ESP	+53N	=48B	+42B	−5N	F	+7B	−2N	3.5	22.5	24.5	10.75	2050	+5.4
21	Rojas Pozo, Jose Luis	1925	ESP	+74N	−7B	+53N	+59B	−4N	=15B	−28N	3.5	21.0	21.0	6.00	2006	+10.6
22	Echevarria Uriarte, Ibai	1939	ESP	F	+54B	−9N	+26B	=15N	+29B	−36N	3.5	20.0	20.0	10.50	1987	+9.2
23	Vecillas Rey, Daniel	2075	ESP	F	+52B	−69N	+40B	+16N	=12B	−10N	3.5	18.5	18.5	11.00	1902	-44.0
24	Cardena Contreras, Javier	1949	ESP	+66B	F	−11B	−35N	+30N	+26B	=17N	3.5	18.5	18.5	9.50	1922	-2.8
25	Heras Cuenca, Miguel Angel	1830	ESP	−44N	+47B	−59N	+53B	=46N	=16B	=19N	3.5	17.0	19.0	9.50	1875	+7.8
26	Mauriello, Nunzio	1728	ESP	=36B	−37N	+75B	−22N	+55B	−24N	+51N	3.5	17.0	17.0	5.50	1839	+11.6
27	Mejias Gonzalez, Pedro	1699	ESP	−7N	−55B	+47N	+70B	−19N	+76B	=49N	3.5	16.0	16.0	4.75	1757	+3.0
28	Elissalt Cardenas, HectorIM	2271	ESP	F	F	+73N	=16B	F	+35N	+21B	3.5	11.5	11.5	9.50	2251	-0.7
29	Vigil Dorrego, Valentino	1838	MEX	−1B	+66N	−31B	+43N	F	−22N	+60B	3.0	19.5	20.5	6.00	1907	+18.4
30	Alonso Feliz, Cristian Ismael	1800	ESP	−2B	+68N	−39B	+51N	−24B	+43N	F	3.0	19.5	20.5	6.00	1826	+4.8
31	Moreto Quintana, Alex	2064	ESP	F	F	+29N	+58B	+11B	F	−1N	3.0	18.0	18.0	9.00	2256	+19.8
32	Martinez Rubi, Alberto	2074	ESP	F	+62N	F	+34B	−3B	+48N	−4B	3.0	18.0	18.0	7.50	2058	+0.6
33	Lahoz Bonet, Javier	1756	ESP	−4N	+74B	−12N	+66B	−59N	+53B	−16N	3.0	18.0	18.0	3.00	1776	-0.8
34	Largo Barbero, Benito	1922	POR	+64B	−2N	+65B	−32N	F	+63B	−7N	3.0	17.5	17.5	4.50	1889	-5.4
35	Camarero Izquierdo, Juan Carlos	1870	ESP	F	+71B	−15N	+24B	−36N	−28B	+52N	3.0	17.0	17.0	6.50	1939	+10.0
36	Perez Gonzalez, Jose ManuelFM	2169	ESP	=26N	F	F	F	+35B	=14N	+22B	3.0	16.5	16.5	10.25	2107	-3.8
37	Garcia Dorado, AlbertoCM	2162	ESP	F	+26B	+48N	+69B	−1N	F	F	3.0	16.0	16.0	7.00	2111	-0.8
38	Presa Ruiz De La Escalera, Alfonso	1683	ESP	−14N	+67B	−16N	−73B	+45B	+66N	−40B	3.0	15.5	16.5	4.50	1639	-14.0
39	Herraiz Ciudad, Miguel	1985	ESP	F	F	+30N	+19B	=7N	=9B	F	3.0	15.5	15.5	11.00	2175	+39.6
40	Arce Balluerca, Oscar	1846	ESP	−11N	+61B	F	−23N	F	+62B	+38N	3.0	14.5	14.5	7.00	1913	+7.8
41	Kibrit Arakanchi, Teofilo	1679	MEX	F	−9B	+71N	−48B	+68N	−46B	+47N	3.0	14.0	14.0	4.50	1730	+10.8
42	Garcia Chacon, David	1854	ESP	F	+72B	−20N	−10B	F	+45N	+54B	3.0	13.5	13.5	5.50	1737	-9.0
43	Cabello Chaves, Francisco Jose	1650	ESP	−6N	−57B	+74N	−29B	+70N	−30B	+76N	3.0	13.5	13.5	1.00	1092	-13.0
44	Longa Yauca, Javier	2204	PER	+25B	+60N	=14B	−2N	F	F	F	2.5	18.5	18.5	7.50	2107	-8.0
45	Albou, Alan	0	FRA	=49N	−3B	−52N	+75B	−38N	−42B	+53N	2.5	18.0	18.0	3.25	1703	0.0
46	De Vicente Guijarro, Juan	1940	ESP	+68B	F	F	−3N	=25B	+41N	−8B	2.5	17.5	17.5	5.75	1871	-7.6
47	Rojas Fernandez, Pablo	1483	ESP	−17B	−25N	−27B	=64B	+75N	+57N	−41B	2.5	17.5	17.5	2.75	1497	0.0
48	Hinojosa Moya, Hector Gaston	1899	ESP	+76B	=20N	−37B	+41N	F	−32B	F	2.5	15.5	15.5	4.75	1901	-1.0
49	Lopez de Turiso Sanchez, Jose Angel	1927	ESP	=45B	+75N	F	=6B	F	−18N	=27B	2.5	14.5	14.5	5.25	1871	-4.8
50	Jolani, Parnian	1849	ESP	F	F	+55N	F	−18B	=65N	+68B	2.5	11.5	11.5	3.75	1789	-8.8
51	Angulo Sanchez, Jose Antonio	1636	ESP	−12N	−16B	+64N	−30B	F	+55N	−26B	2.0	18.0	18.0	3.50	1074	-17.6
52	Manas Carrete, Miguel Angel	1672	ESP	F	−23N	+45B	+17N	−60B	−58N	−35B	2.0	17.0	17.0	6.50	1706	+2.4
53	Alfaya Martinez, Enrique	1641	ESP	−20B	+76N	−21B	−25N	+67B	−33N	−45B	2.0	17.0	17.0	1.00	1087	-16.6
54	Aguilar Alvarez, Christoph Sebastian	1640	ESP	F	−22N	+78B	−18N	+57B	−17B	−42N	2.0	16.5	16.5	2.00	1142	-24.4
55	Gil Gonzalez, Gaspar	0	ESP	−56B	+27N	−50B	F	−26N	−51B	+64N	2.0	15.0	15.0	5.00	1526	0.0
56	Celma Querol, Carlos	1917	ESP	+55N	−14B	+57N	−12B	F	F	F	2.0	15.0	15.0	4.00	1243	-13.2
57	Vallas Perez, Alex	0	ESP	−13B	+43N	−56B	F	−54N	−47B	+67N	2.0	14.5	14.5	4.00	1473	0.0
58	Bustos Serrano, Doroteo	1911	ESP	F	−8N	+70B	−31N	F	+52B	−15N	2.0	14.5	14.5	3.00	1778	-13.4
59	Marquez Leon, Juan Antonio	2034	ESP	F	F	+25B	−21N	+33B	−13N	F	2.0	14.0	14.0	6.50	1847	-19.0
60	Anton Ortiz, Carlos	1944	ESP	+61N	−44B	F	F	+52N	−10B	−29N	2.0	14.0	14.0	4.00	1762	-22.4
61	Navarro Rodriguez, Angel Jose	1540	ESP	−60B	−40N	F	+72B	−17N	+71N	F	2.0	12.5	12.5	2.00	1599	+1.4
62	Moreno Camarero, Omar	1661	ESP	F	−32B	+72N	F	−13B	−40N	+70B	2.0	12.0	12.0	2.00	1128	-22.8
63	Martinez-Paul Exposito, Ignacio Jesus	1697	ESP	−15B	+64N	=17B	F	F	−34N	F	1.5	14.5	14.5	3.50	1711	+0.4
64	Garcia Alvarez, Gerardo	0	ESP	−34N	−63B	−51B	=47N	+74N	−68B	−55B	1.5	12.0	12.0	1.25	1288	0.0
65	Abad Miranda, Carmen	1680	ESP	F	F	−34N	−13N	+71B	=50B	F	1.5	10.5	10.5	2.25	1686	-0.8
66	Enriquez Pastor, Jorge	1608	ESP	−24N	−29B	+67N	−33N	F	−38B	F	1.0	14.5	14.5	1.00	1007	-20.6
67	Rojas Fernandez, Ana	0	ESP	−10B	−38N	−66B	+74B	−53N	−72N	−57B	1.0	13.5	13.5	0.00	911	0.0
68	Lopez Manso, Jeronimo	1534	ESP	−46N	−30B	F	F	−41B	+64N	−50N	1.0	12.5	12.5	1.50	1016	-14.0
69	Gonzalez Ferrer, Manuel	1619	ESP	F	F	+23B	−37N	F	F	F	1.0	10.5	10.5	3.50	2019	+33.6
70	Ismatov, Aleksandr	0	ESP	F	F	−58N	−27N	−43B	+75B	−62N	1.0	10.5	10.5	0.00	1463	0.0
71	Mi, Mengma	1445	SUI	F	−35N	−41B	F	−65N	−61B	+74B	1.0	9.5	9.5	0.00	887	-34.8
72	Magni Munoz, Marco	0	ESP	F	−42N	−62B	−61N	F	+67B	F	1.0	9.0	9.0	1.00	886	0.0
73	Narvaez Rivero, Guillermo	1906	ESP	F	F	−28B	+38N	F	F	F	1.0	6.5	6.5	3.00	1977	+2.4
74	Conde Gutierrez, Jorge	0	ESP	−21B	−33N	−43B	−67N	−64B	F	−71N	0.0	13.0	13.0	0.00	894	0.0
75	Cisneros Vargas, Iker	1596	ESP	F	−49B	−26N	−45N	−47B	−70N	F	0.0	12.0	12.0	0.00	913	-43.6
76	Sanchez Guindo, Faustino	0	ESP	−48N	−53B	F	F	F	−27N	−43B	0.0	11.0	11.0	0.00	922	0.0
77	Marcos Trejo, Mateo	1673	ESP	−8B	F	F	F	F	F	F	0.0	5.5	5.5	0.00	1246	-4.0
78	Llopis Garcia, Nicolas	0	ESP	F	F	−54N	F	F	F	F	0.0	5.0	5.0	0.00	841	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Blanco Barrios, AitanaWCMESP
+69.2
4.5 pts · #24
2Herraiz Ciudad, MiguelESP
+39.6
3.0 pts · #29
3Gonzalez Ferrer, ManuelESP
+33.6
1.0 pts · #57

Top rating losers

1Vecillas Rey, DanielESP
-44.0
3.5 pts · #20
2Cisneros Vargas, IkerESP
-43.6
0.0 pts · #64
3Arevillca Colque, JonatanESP
-39.6
4.0 pts · #14

Biggest upsets

R3+456 Elo gap
Gonzalez Ferrer, Manuel1619 beat Vecillas Rey, Daniel2075
R1+393 Elo gap
Pareja Vicente, Antonio1868 beat FMAlfaya Marcelo, Roberto2261
R3+284 Elo gap
Pareja Vicente, Antonio1868 beat Baumann, Kevin2152