Open Internacional de Ajedrez Semana Santa Tajamar 2026

Open SwissStandard

58 players participated in this 7-round tournament, held from 27 Mar 2026 to 31 Mar 2026 in Madrid, Spain. 2 titled players from 6 federations. Top 10 Elo average was 2106, and top seed was Gabriel Quispe Arteaga (🇪🇸 ESP, FM, 2424).

Gabriel Quispe Arteaga (🇪🇸 ESP, FM, 2424) won with 6.5/7, ahead of Antonio Rojas Fernandez (6.0) and Hector Lorenzo Martin (5.0). Quispe Arteaga broke clear in the final round.

The biggest upset came in round 5: Lucas Duran Abia (1577) beat Carlos Anton Ortiz (1972), a +395-point gap.

Location

🇪🇸Madrid, Spain

Dates

27 Mar 2026 → 31 Mar 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇪🇸FMGabriel Quispe Arteaga2424

Avg top 10

2,106

Participants

Titled players · 2

FM×1

WCM×1

Federations · 6 represented

🇪🇸Spain×51

🇻🇪Venezuela×1

🇨🇺Cuba×1

🇵🇹Portugal×1

🇵🇪Peru×1

🇷🇴Romania×1

Top 3

🥇
FMGabriel Quispe Arteaga
🇪🇸ESP·2424
6.5pts·2477perf+2.0
🥈
Antonio Rojas Fernandez
🇪🇸ESP·2100
6.0pts·2330perf+72.8
🥉
Hector Lorenzo Martin
🇪🇸ESP·2056
5.0pts·2118perf+14.6

How it unfolded

Top 6 · 7 rounds

FM Gabriel Quispe Arteaga led from R7; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R7.

Co-leaders

Quispe Arteaga6.5Rojas Fernandez6Lorenzo Martin5Arevillca Colque5Perez Perez5Baeza Escudero5

R7–R7 · LEAD HELD

FM Gabriel Quispe Arteaga held the sole lead from R7 through R7 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

FM Gabriel Quispe Arteaga drew with Antonio Rojas Fernandez (Black).

WIN STREAKS · 3 top finishers

FM Gabriel Quispe Arteaga 3+3 wins (R1–R3, R5–R7)Antonio Rojas Fernandez 3 wins (R1–R3)Hector Lorenzo Martin 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMGabriel Quispe Arteaga	*	½	—	1
2Antonio Rojas Fernandez	½	*	1	½
3Hector Lorenzo Martin	—	0	*	—
4Jonatan Arevillca Colque	0	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Quispe Arteaga, GabrielFM	2424	ESP	+29B	+19N	+4B	=2N	+7B	+15N	+8B	6.5	27.0	30.0	27.00	2477	+2.0
2	Rojas Fernandez, Antonio	2100	ESP	+26N	+10B	+45N	=1B	+12N	+3B	=4N	6.0	28.0	30.0	24.25	2330	+72.8
3	Lorenzo Martin, Hector	2056	ESP	+21N	+17B	+20N	=9B	+8B	−2N	=7B	5.0	26.0	29.5	19.25	2118	+14.6
4	Arevillca Colque, Jonatan	2003	ESP	+41N	+23B	−1N	+21B	+45B	=9N	=2B	5.0	25.5	27.5	16.00	2095	+37.6
5	Perez Perez, Jose David	1889	ESP	+47N	+16B	−12N	+23B	−9N	+21B	+20N	5.0	22.5	24.5	16.50	1996	+21.8
6	Baeza Escudero, Javier	1811	ESP	+43N	F	+27B	−8N	+14B	+10B	+12N	5.0	21.0	21.0	17.00	2235	+53.0
7	Vaquerizo Calvo, Miguel Arturo	2091	ESP	F	+30B	+25N	+20B	−1N	+11B	=3N	4.5	25.5	25.5	16.50	2140	+10.8
8	Yongjie, Hu	2098	ESP	+35B	F	+18N	+6B	−3N	+13B	−1N	4.0	27.0	27.0	15.50	2088	+1.2
9	Rodriguez Lopez, Sergio	1929	ESP	+50N	F	+22B	=3N	+5B	=4B	−15N	4.0	24.0	24.0	15.00	2000	+26.4
10	Vera Avila, Endelberth	1879	VEN	+48B	−2N	+24B	+40N	−15B	−6N	+33B	4.0	23.0	25.0	10.00	1846	-3.6
11	Duran Abia, Lucas	1577	ESP	=14N	+26B	=13N	F	+27B	−7N	+19B	4.0	22.5	22.5	14.00	2018	+124.8
12	Romero Fite, Miguel	2071	ESP	F	+54N	+5B	+46N	−2B	+19N	−6B	4.0	22.5	22.5	11.50	1958	-12.8
13	Rojas Pozo, Jose Luis	1922	ESP	+28B	=22N	=11B	=19N	+46B	−8N	=25B	4.0	21.5	23.5	12.25	1794	-18.6
14	Freijedo Alvarez, Salvador	1955	ESP	=11B	F	=16N	+48B	−6N	+28B	+24N	4.0	21.5	21.5	12.50	1810	-16.8
15	Quiros Benito, Sergio	2003	ESP	F	+33N	+31B	F	+10N	−1B	+9B	4.0	20.0	20.0	13.50	2207	+18.8
16	Pan, Angel Jiaye	1789	ESP	+56B	−5N	=14B	=33N	+35B	−27N	+43B	4.0	19.0	19.5	8.25	1786	-2.0
17	Diaz Garcia, Miguel	1848	ESP	+39B	−3N	−28B	F	+51N	+30B	+22N	4.0	18.0	18.0	10.00	1785	-5.6
18	Camarero Izquierdo, Juan Carlos	1863	ESP	+53N	F	−8B	−22N	+49B	+40N	+37B	4.0	14.5	14.5	7.00	1851	+1.4
19	Rodriguez Rodriguez, Ricardo	1846	CUB	+36N	−1B	+41N	=13B	+28N	−12B	−11N	3.5	24.0	26.0	9.50	1784	-10.8
20	Pla Rofes, Aleix	2000	ESP	+44B	+24N	−3B	−7N	=37B	+46N	−5B	3.5	22.5	24.5	8.75	1826	-27.2
21	Abad Miranda, Carmen	1645	ESP	−3B	+39N	+42B	−4N	+40B	−5N	=29B	3.5	22.0	24.0	7.50	1838	+62.0
22	Galindo Gomara, Daniel	1737	ESP	+57N	=13B	−9N	+18B	−31N	+39B	−17B	3.5	21.0	21.0	8.00	1760	+3.0
23	Quiros Florea, Rafael-Santiago	1830	ESP	+34B	−4N	+57B	−5N	+33B	=25N	F	3.5	18.5	18.5	6.75	1705	-24.4
24	Gutierrez Sanchez, Fernando	1824	ESP	+51N	−20B	−10N	+49B	+41N	=31B	−14B	3.5	18.0	19.5	6.50	1748	-10.2
25	Armesto Robledo, Sebastian Carlos	1817	ESP	+58B	=27N	−7B	F	+34N	=23B	=13N	3.5	17.5	17.5	7.75	1855	+6.2
26	Goncalves, Antonio Guilherme	1686	POR	−2B	−11N	=39B	+56N	−42N	+52B	+50N	3.5	16.5	17.0	4.00	1623	-13.0
27	Anton Ortiz, Carlos	1972	ESP	F	=25B	−6N	+30B	−11N	+16B	=31N	3.0	22.5	22.5	10.25	1753	-32.0
28	Montoliu Montes, Guillem	1545	ESP	−13N	+43B	+17N	F	−19B	−14N	+38B	3.0	20.0	20.0	8.50	1769	+46.8
29	San Felipe Gonzalez, Tomas	1713	ESP	−1N	−32B	+56B	+47N	F	=36B	=21N	3.0	18.0	18.0	5.50	1600	-17.2
30	Castro Uceda, Jose Antonio	1679	ESP	F	−7N	+53B	−27N	+44B	−17N	+34B	3.0	17.0	17.0	5.50	1743	+7.6
31	Mihalcea, George Andrei	1845	ROU	+52B	F	−15N	F	+22B	=24N	=27B	3.0	15.0	15.0	7.75	1876	+6.0
32	San Roman Garrido, Alejandro	1507	ESP	−42B	+29N	−40B	−35N	−43B	+44N	+41N	3.0	13.5	15.5	7.00	1727	+62.8
33	Rodriguez Vaca, Jonathan Roberto	0	ESP	F	−15B	+50N	=16B	−23N	+53B	−10N	2.5	18.0	18.0	4.50	1702	+22.8
34	Julca Abanto, Guillermo Emilio	1460	ESP	−23N	+47B	−37B	+44N	−25B	=35N	−30N	2.5	17.0	19.0	5.25	1601	+41.6
35	Ortega Morales, Pedro	1675	ESP	−8N	F	=51B	+32B	−16N	=34B	=39N	2.5	17.0	17.0	6.00	1572	-18.8
36	Rojo Garrido, Jose Maria	1491	ESP	−19B	=38N	=44B	−54N	+47B	=29N	F	2.5	15.0	16.0	5.75	1624	+18.4
37	Martinez Gallardo, Javier 1955	1715	ESP	F	−55B	+34N	F	=20N	+42B	−18N	2.5	13.0	13.0	6.25	1865	+17.6
38	Pareja Cerrato, Antonio	1644	ESP	−45N	=36B	−49N	+50B	−39N	+51B	−28N	2.5	12.5	14.0	4.25	1473	-34.6
39	Delgado Mendoza, Andy Lennon	1491	ESP	−17N	−21B	=26N	F	+38B	−22N	=35B	2.0	19.5	19.5	5.50	1581	+24.0
40	Garcia Diaz, Alejandro 1974	1840	ESP	+49N	−45B	+32N	−10B	−21N	−18B	F	2.0	18.0	18.0	4.50	1605	-34.4
41	De Blas Moreno, Rafael	1637	ESP	−4B	+52N	−19B	+57N	−24B	−43N	−32B	2.0	18.0	18.0	1.00	1493	-38.8
42	Costache, Bogdan Alexandru	1888	ESP	+32N	−46B	−21N	F	+26B	−37N	F	2.0	17.0	17.0	6.50	1557	-41.0
43	Granda Sanchez, David Guillermo	0	ESP	−6B	−28N	F	F	+32N	+41B	−16N	2.0	17.0	17.0	5.00	1586	-6.0
44	Rojas Fernandez, Ana	1608	ESP	−20N	=49B	=36N	−34B	−30N	−32B	+57B	2.0	16.0	16.0	2.00	1328	-86.0
45	Blanco Barrios, AitanaWCM	2014	ESP	+38B	+40N	−2B	F	−4N	F	F	2.0	15.5	15.5	4.50	1897	-21.2
46	Rodriguez Torrejon, Alberto	1590	ESP	F	+42N	F	−12B	−13N	−20B	+49N	2.0	15.0	15.0	3.50	1780	+36.4
47	Lopez Garcia, Rafael 1951	1602	ESP	−5B	−34N	+52B	−29B	−36N	+57N	F	2.0	15.0	15.0	1.00	1367	-30.2
48	Moratiel Sanchez, Angel	1498	ESP	−10N	F	+54B	−14N	F	−50B	+56N	2.0	11.0	11.0	1.50	1560	+5.6
49	Rojas Fernandez, Pablo	1470	ESP	−40B	=44N	+38B	−24N	−18N	F	−46B	1.5	16.0	17.0	3.50	1535	+11.2
50	Garcia Garcia, Miguel Angel 1959	1559	ESP	−9B	=56N	−33B	−38N	F	+48N	−26B	1.5	15.0	15.0	2.25	1496	-15.6
51	Torres Yupanqui, Christian Misael	1451	PER	−24B	F	=35N	F	−17B	−38N	+52N	1.5	13.5	13.5	2.25	1545	+15.6
52	Escribano Santiago, Ignacio	1482	ESP	−31N	−41B	−47N	F	+56B	−26N	−51B	1.0	12.5	12.5	0.50	844	-30.2
53	Jimenez Ayuso, Federico	1495	ESP	−18B	F	−30N	F	+57B	−33N	F	1.0	11.5	11.5	0.00	971	-14.4
54	De Los Rios Camacho, Juan Antonio	1667	ESP	F	−12B	−48N	+36B	F	F	F	1.0	10.0	10.0	2.50	1562	-11.0
55	Roquero Redondo, Miguel	2197	ESP	F	+37N	F	F	F	F	F	1.0	2.5	2.5	2.50	2597	+1.6
56	Rodriguez Torrejon, Jorge	0	ESP	−16N	=50B	−29N	−26B	−52N	F	−48B	0.5	15.0	15.0	0.75	1220	0.0
57	FIDE 553060288	0	—	−22B	F	−23N	−41B	−53N	−47B	−44N	0.0	14.0	14.0	0.00	851	0.0
58	FIDE 94791422	0	—	−25N	F	F	F	F	F	F	0.0	3.5	3.5	0.00	1017	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Duran Abia, LucasESP
+124.8
4.0 pts · #10
2Rojas Fernandez, AntonioESP
+72.8
6.0 pts · #2
3San Roman Garrido, AlejandroESP
+62.8
3.0 pts · #23

Top rating losers

1Rojas Fernandez, AnaESP
-86.0
2.0 pts · #49
2Costache, Bogdan AlexandruESP
-41.0
2.0 pts · #37
3De Blas Moreno, RafaelESP
-38.8
2.0 pts · #52

Biggest upsets

R5+395 Elo gap
Duran Abia, Lucas1577 beat Anton Ortiz, Carlos1972
R3+303 Elo gap
Montoliu Montes, Guillem1545 beat Diaz Garcia, Miguel1848
R2+298 Elo gap
Rodriguez Torrejon, Alberto1590 beat Costache, Bogdan Alexandru1888