VI Torneo de Ajedrez Pablo de Unamuno

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69 players participated in this 7-round tournament, held from 05 Dec 2025 to 08 Dec 2025 in Salamanca, Spain. 5 titled players from 5 federations. Top 10 Elo average was 2191, and top seed was Jose Avelino Alvarez Calzadilla (🇨🇺 CUB, IM, 2422).

Nicolas Vioque Gonzalez (🇪🇸 ESP, FM, 2308) won with 6.5/7, ahead of Jose Avelino Alvarez Calzadilla (5.5) and Ibragim S. Khamrakulov (5.5). Vioque Gonzalez won solo starting round 6.

The biggest upset came in round 7: Juan Sancinena Arpide (1731) beat Luis Martin Mateos (2013), a +282-point gap.

Location

🇪🇸Salamanca, Spain

Dates

05 Dec 2025 → 08 Dec 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇨🇺IMJose Avelino Alvarez Calzadilla2422

Avg top 10

2,191

Participants

Titled players · 5

GM×1

IM×1

FM×2

CM×1

Federations · 5 represented

🇪🇸Spain×64

🇨🇴Colombia×1

🇮🇹Italy×1

🇨🇺Cuba×1

🇻🇪Venezuela×1

Top 3

🥇
FMNicolas Vioque Gonzalez
🇪🇸ESP·2308
6.5pts·2546perf+32.0
🥈
IMJose Avelino Alvarez Calzadilla
🇨🇺CUB·2422
5.5pts·2343perf-4.1
🥉
GMIbragim S. Khamrakulov
🇪🇸ESP·2365
5.5pts·2277perf-4.3

How it unfolded

Top 6 · 7 rounds

FM Nicolas Vioque Gonzalez led from R6; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R6.

Co-leaders

Vioque Gonzalez6.5Khamrakulov5.5Rodriguez Ferreiros5.5Alvarez Calzadilla5.5Perez Nunez5Saiz Alonso de Armino5

R6–R7 · LEAD HELD

FM Nicolas Vioque Gonzalez never relinquished the lead after R6; final gap +1.0 over the runner-up.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

FM Nicolas Vioque Gonzalez beat GM Ibragim S. Khamrakulov (White).

R1–R4 · WIN STREAK

FM Nicolas Vioque Gonzalez won 4 in a row (R1–R4).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMNicolas Vioque Gonzalez	*	1	—	½
2GMIbragim S. Khamrakulov	0	*	—	—
3Andres Rodriguez Ferreiros	—	—	*	½
4IMJose Avelino Alvarez Calzadilla	½	—	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Vioque Gonzalez, NicolasFM	2308	ESP	+43B	+11N	+32B	+5N	=2N	+3B	+6B	6.5	28.5	31.0	28.25	2546	+32.0
2	Alvarez Calzadilla, Jose AvelinoIM	2422	CUB	+19B	+10N	+6B	+31N	=1B	=4N	=5B	5.5	30.5	33.5	25.00	2343	-4.1
3	Khamrakulov, Ibragim S.GM	2365	ESP	+20N	+13B	=17B	+24N	+7B	−1N	+11B	5.5	28.5	32.0	23.50	2277	-4.3
4	Rodriguez Ferreiros, Andres	2167	ESP	+47B	+35N	−31B	+21N	+32B	=2B	+10N	5.5	23.0	25.5	19.75	2192	+7.2
5	Lozano Ramirez, Nestor FavianFM	2222	COL	+9N	+44B	=12N	−1B	+25N	+13B	=2N	5.0	29.5	32.0	20.50	2172	-0.8
6	Perdomo Araujo, Angel Eduardo	2030	VEN	+49N	+36B	−2N	+18B	+8N	+28B	−1N	5.0	27.5	30.0	18.00	2156	+23.4
7	Perez Nunez, SaulCM	2143	ESP	+41N	+18B	=14N	+12B	−3N	=10B	+31N	5.0	26.0	29.0	19.00	2130	+1.6
8	Saiz Alonso de Armino, Daniel	1850	ESP	=25B	+52N	+51B	=17N	−6B	+27N	+26B	5.0	22.0	24.5	15.75	2002	+58.0
9	Sancinena Arpide, Juan	1731	ESP	−5B	−42N	+53N	+68B	+36N	+55B	+32N	5.0	18.0	18.0	10.50	1914	+26.4
10	Posso Cangrejo, Sergio David	1918	ESP	+37N	−2B	+20N	+23B	+26B	=7N	−4B	4.5	27.5	30.5	17.00	2074	+27.8
11	Gonzalez Guijas, Sergio	1888	ESP	+50N	−1B	+38N	+34B	=12N	+14B	−3N	4.5	27.0	29.5	15.25	2022	+23.0
12	Mougan Gonzalez, Santiago	1992	ESP	+55B	+21N	=5B	−7N	=11B	+23N	=28N	4.5	26.0	28.0	16.50	2042	+11.8
13	Altelarrea Hernando, Rodrigo	1905	ESP	+42B	−3N	+46B	+19N	=17B	−5N	+33B	4.5	24.0	26.5	14.00	2028	+42.4
14	Revuelta Blanco, Daniel	1977	ESP	+63B	+46N	=7B	=26N	=22B	−11N	+18N	4.5	23.5	24.5	13.75	2013	+18.8
15	Lopez Cabello, Julio	1827	ESP	=39N	+29B	−28B	+40N	+33B	−22N	+24B	4.5	20.5	23.5	14.50	1924	+18.2
16	Llorente Bombin, Guillermo	1817	ESP	=54B	−25N	+65B	+52N	+24B	−17N	+44B	4.5	18.0	19.0	10.50	1800	-0.8
17	Cinza Lopez, Javier	2015	ESP	+59B	F	=3N	=8B	=13N	+16B	=22N	4.0	26.5	28.5	16.00	2078	+9.8
18	Sanchez Puente, Ignacio	1822	ESP	+61B	−7N	+42B	−6N	+20B	+19N	−14B	4.0	25.0	26.5	12.00	1877	+10.6
19	Cagigas Calvente, Fernando	1735	ESP	−2N	+58B	+44N	−13B	+56N	−18B	+45N	4.0	21.0	23.0	9.00	1877	+26.0
20	Sanchez Martin, Sergio	1735	ESP	−3B	+63N	−10B	+60N	−18N	+37B	+56N	4.0	21.0	22.0	8.00	1846	+38.0
21	Vera Gimenez, Andres	1801	ESP	+62N	−12B	+68N	−4B	+38N	−31B	+41N	4.0	20.5	20.5	7.50	1832	+4.0
22	Alonso Alonso, Ivan	2092	ESP	F	F	+27N	+35B	=14N	+15B	=17B	4.0	19.5	19.5	15.25	2118	+4.0
23	Jimenez Moran, Manuel	1752	ESP	+69B	−32N	+54B	−10N	+48N	−12B	+34B	4.0	19.5	19.5	7.50	1775	+5.6
24	Suarez Sanchez, Claudio	1846	ESP	=29N	+39B	+25N	−3B	−16N	+30B	−15N	3.5	25.0	28.0	11.75	1755	-17.6
25	Emilov Chalev, Emilio	1630	ESP	=8N	+16B	−24B	+43N	−5B	−35N	+49N	3.5	23.5	26.0	12.00	1827	+67.6
26	Gonzalez Chapado, Dario	2045	ESP	F	+40N	+56B	=14B	−10N	+45B	−8N	3.5	21.5	21.5	9.75	1902	-39.2
27	Hernandez Gonzalez, Manuel 2000	1748	ESP	+68B	−31N	−22B	+29N	+34N	−8B	=40B	3.5	21.5	21.5	8.00	1745	-3.4
28	Gonzalez Pereira, Asier	2114	ESP	+57B	F	+15N	F	+31B	−6N	=12B	3.5	19.0	19.0	11.75	2059	-4.4
29	Recio Pelayo, Javier Ernesto	1605	ESP	=24B	−15N	F	−27B	+58N	+46B	+51N	3.5	18.5	18.5	8.75	1791	+29.8
30	Sanchez Elena, Pedro	1565	ESP	−35B	=57N	+59B	−45N	+43B	−24N	+55N	3.5	15.5	17.5	7.50	1753	+33.2
31	Sanchez Elena, Lucia	1989	ESP	F	+27B	+4N	−2B	−28N	+21N	−7B	3.0	27.0	29.5	13.00	2060	+9.8
32	Martin Mateos, Luis	2013	ESP	+38N	+23B	−1N	+36B	−4N	F	−9B	3.0	27.0	29.5	10.00	1900	-31.2
33	Masegosa Masegosa, David	1821	ESP	+53N	F	+60B	F	−15N	+39B	−13N	3.0	20.5	20.5	7.50	1759	-5.8
34	Colmenero Bazaga, Yoel	1595	ESP	−56N	+49B	+45N	−11N	−27B	+47B	−23N	3.0	19.5	21.5	7.50	1728	+45.2
35	Prieto Martin, Manuel	1824	ESP	+30N	−4B	+48N	−22N	F	+25B	F	3.0	19.0	19.0	9.50	1891	+16.0
36	Leone, Clarissa	1782	ITA	+67B	−6N	+66B	−32N	−9B	F	+57N	3.0	18.5	19.5	4.00	1745	-5.2
37	Sierra Pena, Alberto	1641	ESP	−10B	=43N	=57B	=59N	=40B	−20N	+54B	3.0	18.0	20.0	6.75	1654	+2.8
38	Abad Alonso, Jimena Lavinia	1665	ESP	−32B	+67N	−11B	+54N	−21B	−44N	+62B	3.0	17.5	18.5	4.50	1656	-6.0
39	Redondo Garrido, Pedro	1596	ESP	=15B	−24N	F	=47B	+49N	−33N	+61B	3.0	17.5	17.5	7.50	1740	+21.8
40	Blanco Artime, Lucas	1678	ESP	F	−26B	+58N	−15B	=37N	+65B	=27N	3.0	17.5	17.5	6.25	1672	-5.2
41	Antelo Hernandez, Diego	1705	ESP	−7B	−60N	+63B	+66N	−45B	+54N	−21B	3.0	16.5	17.5	4.00	1662	-20.1
42	Matias Jimenez, Saul	1636	ESP	−13N	+9B	−18N	=44B	=47N	F	=46B	2.5	21.5	24.0	8.75	1736	+14.4
43	Vazquez Escudero, Pedro Jesus	1733	ESP	−1N	=37B	+50N	−25B	−30N	F	+64B	2.5	21.5	22.5	5.00	1614	-21.2
44	Hortiguela Hortiguela, Alberto	1827	ESP	+60B	−5N	−19B	=42N	F	+38B	−16N	2.5	21.0	21.0	6.25	1721	-19.6
45	Lopez Blanco, Dario	1820	ESP	F	=54N	−34B	+30B	+41N	−26N	−19B	2.5	19.0	19.0	7.50	1631	-58.4
46	Villarrubia Garcia, Alejandro	1749	ESP	+65N	−14B	−13N	−48B	+64B	−29N	=42N	2.5	18.5	19.5	3.25	1505	-74.0
47	Lopez Garcia, Carlos	1725	ESP	−4N	=50B	F	=39N	=42B	−34N	+66B	2.5	17.5	17.5	5.00	1631	-18.0
48	Perdigon Moreno, Alvaro	1643	ESP	F	+69N	−35B	+46N	−23B	F	=50N	2.5	17.5	17.5	3.75	1678	+10.0
49	Frances Rodriguez, Eduardo	1691	ESP	−6B	−34N	+69B	=61N	−39B	+64N	−25B	2.5	17.0	17.0	1.75	1504	-72.8
50	Sierra Pena, Ignacio	1636	ESP	−11B	=47N	−43B	+63N	=52B	−57N	=48B	2.5	16.5	17.5	4.75	1610	-12.4
51	Alaguero Casado, Alberto	1778	ESP	=58N	+64B	−8N	+55B	F	F	−29B	2.5	16.5	16.5	4.00	1599	-21.0
52	Diez Montes, Pedro	1662	ESP	F	−8B	+64N	−16B	=50N	−56B	+67N	2.5	16.0	16.0	3.25	1611	-8.8
53	Fernandez Rincon, Cesar	1511	ESP	−33B	=59N	−9B	−64N	+63B	−61N	+65N	2.5	13.5	14.5	3.00	1446	-22.0
54	Martin Garcia, Alvaro	1480	ESP	=16N	=45B	−23N	−38B	+68N	−41B	−37N	2.0	20.0	20.0	3.50	1460	-7.2
55	Sanchez Acosta, Enrique	1662	ESP	−12N	+62B	F	−51N	+61B	−9N	−30B	2.0	18.5	18.5	3.00	1554	-18.0
56	Arias Castanedo, Jacinto	1824	ESP	+34B	F	−26N	F	−19B	+52N	−20B	2.0	17.0	17.0	5.50	1683	-19.2
57	Sanchez Criado, Jose Luis	1697	ESP	−28N	=30B	=37N	F	F	+50B	−36B	2.0	15.5	15.5	5.75	1672	-6.0
58	Adaimi Hernandez, Mikhael	1457	ESP	=51B	−19N	−40B	=62N	−29B	−66N	+69N	2.0	15.5	15.5	2.00	1448	-8.0
59	Marret, Constantin Pierre	1686	ESP	−17N	=53B	−30N	=37B	+62B	F	F	2.0	14.5	14.5	4.25	1570	-16.8
60	Sanchez Sanchez, Miguel Angel	1597	ESP	−44N	+41B	−33N	−20B	+69N	F	F	2.0	12.5	12.5	3.00	1632	+3.8
61	Rodriguez Martin, Sergio	1532	ESP	−18N	F	F	=49B	−55N	+53B	−39N	1.5	14.0	14.0	3.75	1507	-8.8
62	Arcones Martin, Isabel	1476	ESP	−21B	−55N	F	=58B	−59N	+69B	−38N	1.5	13.0	13.0	1.00	1424	-18.8
63	Perez Molero, Jose Ignacio	1641	ESP	−14N	−20B	−41N	−50B	−53N	F	+68B	1.0	16.5	16.5	0.00	913	-41.4
64	Moreno Yuste, Alicia	1423	ESP	F	−51N	−52B	+53B	−46N	−49B	−43N	1.0	15.0	15.0	2.50	1414	-5.2
65	Calvente Iglesias, Silvia Carlota	0	ESP	−46B	F	−16N	F	+66B	−40N	−53B	1.0	13.5	13.5	1.00	1419	0.0
66	Garrido Ajates, Andres	1549	ESP	F	F	−36N	−41B	−65N	+58B	−47N	1.0	11.5	11.5	2.00	1474	-14.4
67	Barreda Gago, David	1460	ESP	−36N	−38B	F	F	F	+68N	−52B	1.0	8.5	8.5	0.00	902	-24.4
68	FIDE 535019670	0	—	−27N	F	−21B	−9N	−54B	−67B	−63N	0.0	16.5	16.5	0.00	843	0.0
69	Martin Alvarez, Jose Ramon	1432	ESP	−23N	−48B	−49N	F	−60B	−62N	−58B	0.0	14.5	14.5	0.00	803	-34.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Emilov Chalev, EmilioESP
+67.6
3.5 pts · #27
2Saiz Alonso de Armino, DanielESP
+58.0
5.0 pts · #6
3Colmenero Bazaga, YoelESP
+45.2
3.0 pts · #36

Top rating losers

1Villarrubia Garcia, AlejandroESP
-74.0
2.5 pts · #58
2Frances Rodriguez, EduardoESP
-72.8
2.5 pts · #49
3Lopez Blanco, DarioESP
-58.4
2.5 pts · #41

Biggest upsets

R7+282 Elo gap
Sancinena Arpide, Juan1731 beat Martin Mateos, Luis2013
R3+225 Elo gap
Colmenero Bazaga, Yoel1595 beat Lopez Blanco, Dario1820
R7+195 Elo gap
Saiz Alonso de Armino, Daniel1850 beat Gonzalez Chapado, Dario2045