XLII Torneo Abierto Internacional de Ajedrez de Collado Villalba

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83 players participated in this 9-round tournament, held from 22 Aug 2025 to 30 Aug 2025 in Collado Villalba (Madrid), Spain. 3 titled players from 6 federations. Top 10 Elo average was 2149, and top seed was Santiago Roa Alonso (🇪🇸 ESP, IM, 2349).

Arthur Fetiveau (🇫🇷 FRA, 2146) won with 7.0/9, ahead of Santiago Roa Alonso (6.5) and Jose Manuel Perez Gonzalez (6.5). Fetiveau took the lead from round 8.

The biggest upset came in round 1: Hector Lorenzo Martin (1930) beat Santiago Roa Alonso (IM, 2349), a +419-point gap.

Location

🇪🇸Collado Villalba (Madrid), Spain

Dates

22 Aug 2025 → 30 Aug 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇪🇸IMSantiago Roa Alonso2349

Avg top 10

2,149

Participants

Titled players · 3

IM×1

FM×1

CM×1

Federations · 6 represented

🇪🇸Spain×76

🇻🇪Venezuela×2

🇵🇪Peru×2

🇦🇷Argentina×1

🇦🇩Andorra×1

🇫🇷France×1

Top 3

🥇
Arthur Fetiveau
🇫🇷FRA·2146
7.0pts·2279perf+29.8
🥈
IMSantiago Roa Alonso
🇪🇸ESP·2349
6.5pts·2205perf-11.1
🥉
FMJose Manuel Perez Gonzalez
🇪🇸ESP·2195
6.5pts·2186perf+2.0

How it unfolded

Top 6 · 9 rounds

Arthur Fetiveau led from R4; +0.5-point edge over the runner-up.

Co-leaders

Fetiveau7Gonzalez Pinar6.5Grigaliunas6.5Roa Alonso6.5Perez Gonzalez6.5Torres Torres6

R5 · LEADER CHANGE26 Aug

FM Jose Manuel Perez Gonzalez takes the sole lead (4.5/5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Arthur Fetiveau beat Adrian Gonzalez Pinar (Black).

WIN STREAKS · 3 top finishers

Arthur Fetiveau 4 wins (R1–R4)Adrian Gonzalez Pinar 3 wins (R1–R3)Mindaugas Grigaliunas 4 wins (R6–R9)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Arthur Fetiveau	*	1	—	1
2Adrian Gonzalez Pinar	0	*	—	½
3Mindaugas Grigaliunas	—	—	*	0
4IMSantiago Roa Alonso	0	½	1	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Fetiveau, Arthur	2146	FRA	+34B	+10N	+7B	+4N	−3B	=15N	+32B	+2N	=9N	7.0	47.0	51.0	38.75	2279	+29.8
2	Roa Alonso, SantiagoIM	2349	ESP	−7N	+33B	+23N	+5B	+13N	+6B	+18N	−1B	=4N	6.5	47.0	51.0	34.75	2205	-11.1
3	Perez Gonzalez, Jose ManuelFM	2195	ESP	+5N	=6B	+44N	+14B	+1N	−18B	=25N	+15B	=16N	6.5	45.5	49.0	36.00	2186	+2.0
4	Gonzalez Pinar, Adrian	2129	ESP	+24N	+16B	+18N	−1B	=32N	+30B	+20N	=6B	=2B	6.5	43.5	47.5	32.25	2214	+21.2
5	Grigaliunas, Mindaugas	1898	ESP	−3B	+40N	+65B	−2N	=67B	+51N	+57B	+21N	+18B	6.5	34.5	37.0	22.75	2061	+37.2
6	Nunez Munoz, Jesus	1996	ESP	+28B	=3N	+45B	=25N	+31B	−2N	+14B	=4N	=11B	6.0	44.0	47.5	29.25	2111	+28.2
7	Lorenzo Martin, Hector	1930	ESP	+2B	+15N	−1N	+41B	−25B	=26N	+22B	+39N	=8B	6.0	42.0	45.5	28.75	2104	+79.2
8	Pastor Alonso De Prado, Alberto	2003	ESP	=43N	+17B	+26N	−13B	+60B	=14N	=11B	+18N	=7N	6.0	41.5	44.5	28.50	2037	+9.0
9	Unciti Juan, Javier	2002	ESP	+22B	−18B	+40N	−31N	+12B	=39N	+36B	+34N	=1B	6.0	38.0	41.5	27.25	2046	+10.6
10	Martin Martin, Luis Vicente	2000	ESP	+29N	−1B	+33N	−17B	+59B	=22N	+60B	=24N	+55B	6.0	36.0	39.0	22.00	1994	0.0
11	Mansor Habash, Zouheir	1855	ESP	−25N	=61B	+82N	=51B	+40N	+23B	=8N	+20B	=6N	6.0	34.5	34.5	21.25	1957	+51.2
12	Torres Torres, George Maycol	1919	PER	−18N	=41B	+62N	+42B	−9N	+52B	+69B	+13N	=32B	6.0	33.0	35.0	20.25	1970	+28.0
13	Cao Armillas, Jesus	2029	ESP	+19B	=14N	+57B	+8N	−2B	=20N	=21B	−12B	+22N	5.5	42.5	45.5	25.75	2028	+1.8
14	Erice Alonso, Santiago	1958	ESP	+23N	=13B	+51N	−3N	+69B	=8B	−6N	=19B	+47N	5.5	40.0	42.0	21.25	1958	+3.4
15	Crespo Diaz, David	2076	ESP	+39N	−7B	+27N	+43B	+36N	=1B	F	−3N	+24B	5.5	39.5	39.5	23.50	2069	+1.0
16	Montoya Cabrera, Ernesto Alejandro	1935	VEN	+27B	−4N	+46B	−22N	+48B	+28N	F	+26N	=3B	5.5	38.0	40.0	23.75	2008	+15.2
17	Gonzalez Garcia, Pedro Javier	1810	ESP	+21B	−8N	+53B	+10N	−20B	−34N	=42N	+69B	+39B	5.5	35.0	37.0	20.75	1918	+27.4
18	Portero Rubio, MartinCM	2253	ESP	+12B	+9N	−4B	+39N	+21B	+3N	−2B	−8B	−5N	5.0	48.5	52.0	26.50	2081	-70.0
19	Piccone Uribe, Luis Guillermo	1851	ESP	−13N	=51B	+76N	=61B	=41N	+63B	F	=14N	+21B	5.0	28.5	28.5	15.75	1871	+11.2
20	Semprun Martinez, Fernando	1997	ESP	+47N	=25B	=41N	+29B	+17N	=13B	−4B	−11N	F	4.5	39.5	39.5	20.25	1956	-6.6
21	Guedan Pecker, Victor	1990	ESP	−17N	+52B	+37N	+44B	−18N	+31B	=13N	−5B	−19N	4.5	39.0	42.0	17.25	1862	-28.4
22	Herrero Corada, Jose Ignacio	1838	ESP	−9N	+58B	+77N	+16B	−55N	=10B	−7N	+52B	−13B	4.5	38.0	39.0	15.50	1851	+1.2
23	Rodriguez Del Moral, Angel	1789	ESP	−14B	+67N	−2B	+66N	+49B	−11N	=56N	+45B	−34B	4.5	34.5	37.0	13.50	1794	-1.6
24	Gonzalez Pabollet, Jesus Maria S	1858	ESP	−4B	+46N	+67B	F	−73N	+41B	+68N	=10B	−15N	4.5	32.0	32.0	15.00	1942	+17.2
25	Rodriguez Melendez, Juan Humbert	2125	PER	+11B	=20N	+68N	=6B	+7N	F	=3B	F	F	4.5	31.5	31.5	23.00	2147	+5.6
26	Courrieu, Martin Jacques Claudes	1723	ESP	F	+70N	−8B	+45N	F	=7B	+30N	−16B	+31N	4.5	31.5	31.5	17.00	1928	+75.2
27	Fernandez Rios, Jose Francisco	1776	ESP	−16N	+64B	−15B	=54N	=50B	=49N	=61N	=35B	+52N	4.5	30.5	33.0	13.75	1749	-6.4
28	Garcia Castineira, Ivan	1811	ESP	−6N	+77B	+58N	−73B	+61N	−16B	+33N	=56B	−30N	4.5	30.5	31.5	12.00	1809	-2.4
29	Schafer, Guillermo	1836	ESP	−10B	+42N	+66B	−20N	=63B	+65N	+55B	−32N	F	4.5	28.5	28.5	12.75	1878	+9.8
30	Herraiz Ciudad, Miguel	1927	ESP	F	=43B	+79N	F	+56B	−4N	−26B	+40N	+28B	4.5	26.5	26.5	13.75	1925	+5.6
31	Jimenez Jimenez, Jose Luis	1854	ESP	F	=56B	+38N	+9B	−6N	−21N	=48B	+46N	−26B	4.0	35.0	35.0	16.75	1832	-4.6
32	Lopez de Turiso Sanchez, Jose Angel	1975	ESP	+35B	F	+61N	F	=4B	F	−1N	+29B	=12N	4.0	33.5	33.5	17.25	2041	+11.6
33	Perez Pascual, Arturo	1726	ESP	+80B	−2N	−10B	+77N	−39B	+64N	−28B	−51N	+53B	4.0	30.0	31.0	7.50	1685	-13.2
34	Rodriguez De Robles, Ignacio	1872	ESP	−1N	F	F	+70B	+44N	+17B	F	−9B	+23N	4.0	28.5	28.5	15.50	1976	+16.4
35	Pardo Veguezzi, Jose Manuel	1796	ESP	−32N	F	+50B	−69N	=54B	−45N	+53B	=27N	+72B	4.0	25.5	25.5	12.25	1613	-33.4
36	Verde Noriega, Jesus Alberto	1825	VEN	=56N	+83B	+49N	F	−15B	F	−9N	=42B	+57B	4.0	24.5	24.5	9.75	1869	+7.4
37	Candeleda Mayoral, Ramon	1620	ESP	=48B	=81N	−21B	−59N	+77B	=46N	F	=61B	+44N	4.0	22.0	22.0	9.50	1701	+13.0
38	Coelho Ribeira, Victor Hugo	0	ESP	−71B	+80N	−31B	−67N	+70N	−42B	−62B	+78N	+64B	4.0	20.0	21.0	6.50	1604	0.0
39	Garcia Galeote, Lorenzo	1854	ESP	−15B	+65N	F	−18B	+33N	=9B	+45N	−7B	−17N	3.5	38.0	38.5	13.00	1833	-6.2
40	De Frutos Illana, Sergio	1729	ESP	+63N	−5B	−9B	+53N	−11B	+54N	=47N	−30B	F	3.5	36.0	38.5	10.25	1744	+1.4
41	Sanchez Fritzsche, Benjamin	1708	ESP	+82B	=12N	=20B	−7N	=19B	−24N	+43N	−47B	−60N	3.5	36.0	36.0	11.25	1757	+17.2
42	Trepat Sorribes, Alberto	1680	ESP	+78N	−29B	F	−12N	=64B	+38N	=17B	=36N	−49B	3.5	31.0	31.0	11.00	1685	-0.6
43	Barahona Torrijos, Angel	1841	ESP	=8B	=30N	+71B	−15N	=65B	−69N	−41B	+54N	F	3.5	30.5	32.5	11.50	1741	-21.6
44	Gonzalez Dominguez, Carlos	1731	ESP	+54B	+71N	−3B	−21N	−34B	=50N	+72B	−55N	−37B	3.5	30.5	32.5	8.75	1681	-15.0
45	Lazaro Perez, Roger	1502	ESP	=62N	+63B	−6N	−26B	+74N	+35B	−39B	−23N	F	3.5	29.5	31.5	9.75	1705	+73.2
46	Olmedo Camacho, Jose	1725	ESP	+76N	−24B	−16N	F	+79B	=37B	+66N	−31B	F	3.5	25.5	25.5	7.00	1710	-2.6
47	Martin-Consuegra Barrilero, Javier	1813	ESP	−20B	F	F	−57N	+53B	+71N	=40B	+41N	−14B	3.5	25.0	25.0	10.25	1739	-12.6
48	Aguilar Alvarez, Christoph Sebastian	1734	ESP	=37N	F	F	=72B	−16N	+58B	=31N	−75B	+61N	3.5	23.0	23.0	10.50	1737	-1.6
49	Beltran Wijers, Luca	0	ESP	F	+50N	−36B	F	−23N	=27B	F	+62N	+42N	3.5	22.5	22.5	11.75	1749	0.0
50	Castro Uceda, Jose Antonio	1634	ESP	F	−49B	−35N	+78B	=27N	=44B	−52N	+82B	=68N	3.5	22.0	22.0	6.25	1686	+10.2
51	Sanchez Sancho, Alberto Jose	1663	ESP	F	=19N	−14B	=11N	F	−5B	+59N	+33B	F	3.0	30.0	30.0	12.50	1839	+53.6
52	Muradova Yudaeva, Nelli	1716	ESP	+53B	−21N	F	−55B	+82N	−12N	+50B	−22N	−27B	3.0	29.0	29.0	6.50	1702	-6.8
53	Villarroya Samaniego, Javier	1577	ESP	−52N	+76B	−17N	−40B	−47N	+77B	−35N	+80B	−33N	3.0	26.0	27.0	3.50	1528	-10.4
54	Dorado Gregorio, Javier	1617	ESP	−44N	−79B	+78N	=27B	=35N	−40B	=58N	−43B	=66N	3.0	25.5	26.5	8.00	1546	-15.6
55	Martinez De Miguel, Pedro	2058	ESP	F	F	F	+52N	+22B	F	−29N	+44B	−10N	3.0	25.5	25.5	11.00	1896	-17.8
56	Roig Squire, Jason	2000	ESP	=36B	=31N	+59B	F	−30N	F	=23B	=28N	F	3.0	24.5	24.5	11.50	1826	-27.2
57	Courrieu, Olivier	1540	ESP	F	+62B	−13N	+47B	F	F	−5N	+68B	−36N	3.0	24.5	24.5	8.50	1817	+38.6
58	Montoliu Montes, Guillem	0	ESP	+66B	−22N	−28B	−71N	+76B	−48N	=54B	=70N	F	3.0	23.5	23.5	6.50	1603	0.0
59	Martin Miguel, Ricardo	1748	ESP	=70B	F	−56N	+37B	−10N	F	−51B	=64N	+62B	3.0	23.0	23.0	8.75	1684	-13.6
60	Camarero Izquierdo, Juan Carlos	1806	ESP	F	F	F	+74B	−8N	+75B	−10N	−63N	+41B	3.0	22.0	22.0	7.50	1820	+2.0
61	Hortelano Hap, Ramon	1667	ESP	F	=11N	−32B	=19N	−28B	=72N	=27B	=37N	−48B	2.5	33.5	33.5	10.75	1645	-6.0
62	Dominguez Coig, Alvaro	1674	ESP	=45B	−57N	−12B	−64N	F	+74B	+38N	−49B	−59N	2.5	27.5	27.5	7.75	1457	-34.4
63	Montoliu Montes, Joaquim	1606	AND	−40B	−45N	+80B	F	=29N	−19N	F	+60B	F	2.5	26.0	26.0	6.25	1662	+14.4
64	Rapaport, Andres Natalio	1555	ARG	−65B	−27N	F	+62B	=42N	−33B	=76N	=59B	−38N	2.5	25.5	25.5	6.50	1599	+6.8
65	Bermejo Sevillano, Alberto	1713	ESP	+64N	−39B	−5N	+79B	=43N	−29B	F	F	F	2.5	23.5	23.5	5.25	1685	-5.0
66	Rodriguez Gomez, Jose	1649	ESP	−58N	+78B	−29N	−23B	F	+80N	−46B	−72N	=54B	2.5	22.5	22.5	3.50	1621	-5.6
67	Melcon Diez, Enrique	1668	ESP	+79N	−23B	−24N	+38B	=5N	F	F	F	F	2.5	20.5	20.5	8.25	1666	-1.2
68	Marcos Medina, Alejandro	1753	ESP	+74N	F	−25B	F	+72N	F	−24B	−57N	=50B	2.5	19.5	19.5	5.75	1609	-21.0
69	Pantiga Aguilar, Alejandro	1565	ESP	F	F	F	+35B	−14N	+43B	−12N	−17N	F	2.0	24.5	24.5	7.50	1793	+49.2
70	Orta Vazquez, Mario	1628	ESP	=59N	−26B	F	−34N	−38B	F	+74N	=58B	F	2.0	24.0	24.0	5.00	1659	+2.0
71	Perez Molero, Jose Ignacio	1663	ESP	+38N	−44B	−43N	+58B	−75N	−47B	F	F	F	2.0	22.0	22.0	7.00	1038	-22.0
72	Martinez Fernandez, Francisco Javier	0	ESP	F	F	F	=48N	−68B	=61B	−44N	+66B	−35N	2.0	18.5	18.5	5.50	1597	-52.8
73	Samuel Lares, Jairo	2129	ESP	F	F	F	+28N	+24B	F	F	F	F	2.0	14.5	14.5	9.00	2635	+6.0
74	Garcia Lopez, Fernando	1636	ESP	−68B	F	F	−60N	−45B	−62N	−70B	+77N	+82B	2.0	14.5	14.5	1.00	1374	-38.4
75	Alvarez Lee, Felix	1967	ESP	F	F	F	F	+71B	−60N	F	+48N	F	2.0	11.0	11.0	5.50	1858	-14.4
76	Lopez Garcia, Rafael 1951	1587	ESP	−46B	−53N	−19B	F	−58N	+79N	=64B	F	F	1.5	18.0	18.0	2.25	1486	-14.0
77	Piccone Uribe, Danna Valentina	0	ESP	F	−28N	−22B	−33B	−37N	−53N	F	−74B	+78B	1.0	23.0	23.0	1.00	1365	0.0
78	Lopez Pereira, Irene	1508	ESP	−42B	−66N	−54B	−50N	−80N	F	+79B	−38B	−77N	1.0	19.5	19.5	1.00	1333	-48.4
79	Marsal Pla, Jaime	1468	ESP	−67B	+54N	−30B	−65N	−46N	−76B	−78N	F	F	1.0	18.5	18.5	3.00	1360	-15.4
80	Criado Herrero, Luis	1591	ESP	−33N	−38B	−63N	F	+78B	−66B	F	−53N	F	1.0	17.0	17.0	1.00	1373	-27.0
81	Sanchez Garcia, Maria Angeles	1665	ESP	F	=37B	F	F	F	F	F	F	F	0.5	7.5	7.5	2.00	1620	-1.2
82	Asins Martin, Jose	1521	ESP	−41N	F	−11B	F	−52B	F	F	−50N	−74N	0.0	18.0	18.0	0.00	910	-26.4
83	Vega de Alba, Miguel	1917	ESP	F	−36N	F	F	F	F	F	F	F	0.0	6.0	6.0	0.00	1025	-12.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Lorenzo Martin, HectorESP
+79.2
6.0 pts · #10
2Courrieu, Martin Jacques ClaudesESP
+75.2
4.5 pts · #22
3Lazaro Perez, RogerESP
+73.2
3.5 pts · #32

Top rating losers

1Portero Rubio, MartinCMESP
-70.0
5.0 pts · #18
2Martinez Fernandez, Francisco JavierESP
-52.8
2.0 pts · #67
3Lopez Pereira, IreneESP
-48.4
1.0 pts · #77

Biggest upsets

R1+419 Elo gap
Lorenzo Martin, Hector1930 beat IMRoa Alonso, Santiago2349
R9+355 Elo gap
Grigaliunas, Mindaugas1898 beat CMPortero Rubio, Martin2253
R6+294 Elo gap
Lazaro Perez, Roger1502 beat Pardo Veguezzi, Jose Manuel1796