X GRAND PRIX AJEDREZ DEL ESTE 2025

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89 players participated in this 7-round tournament, held from 07 Nov 2025 to 09 Nov 2025 in Ciudad del Este, Paraguay. 9 titled players from 3 federations. Top 10 Elo average was 2118, and top seed was Juan Sebastian Melian (🇵🇾 PAR, IM, 2373).

Rodolfo Cantero (🇵🇾 PAR, CM, 2161) won with 6.5/7, ahead of Juan Sebastian Melian (6.5) and Enzo Mathias Vinales Gonzalez (5.5). Cantero shared the lead from round 3, winning on tie-break.

The biggest upset came in round 2: Carlos Fabian Galeano Recalde (1620) beat Rodrigo Roman (CM, 1983), a +363-point gap.

Location

🇵🇾Ciudad del Este, Paraguay

Dates

07 Nov 2025 → 09 Nov 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇵🇾IMJuan Sebastian Melian2373

Avg top 10

2,118

Participants

Titled players · 9

IM×1

FM×2

CM×4

WFM×1

WCM×1

Federations · 3 represented

🇵🇾Paraguay×83

🇦🇷Argentina×1

🇧🇷Brazil×1

Top 3

🥇
CMRodolfo Cantero
🇵🇾PAR·2161
6.5pts·2439perf+38.8
🥈
IMJuan Sebastian Melian
🇵🇾PAR·2373
6.5pts·2485perf+11.0
🥉
FMEnzo Mathias Vinales Gonzalez
🇵🇾PAR·2036
5.5pts·2088perf+25.6

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 2 players tied at 6.5/7, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Melian6.5Cantero6.5Vinales Gonzalez5.5Montiel5.5Allo Collante5Britez Gonzalez5

R7 · TIEBREAK CLUSTER

2 players finish on 6.5/7. Cantero takes the title on Buchholz Cut1 (31.0).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

IM Juan Sebastian Melian drew with CM Rodolfo Cantero (Black).

WIN STREAKS · 3 top finishers

IM Juan Sebastian Melian 4 wins (R1–R4)CM Rodolfo Cantero 4 wins (R1–R4)FM Enzo Mathias Vinales Gonzalez 3 wins (R5–R7)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1IMJuan Sebastian Melian	*	½	1	—
2CMRodolfo Cantero	½	*	—	1
3FMEnzo Mathias Vinales Gonzalez	0	—	*	—
4CMAngel Nathanael Montiel	—	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Cantero, RodolfoCM	2161	PAR	+49B	+16N	+6B	+4N	=2B	+10N	+5B	6.5	31.0	34.0	30.75	2439	+38.8
2	Melian, Juan SebastianIM	2373	PAR	+46N	+23B	+3N	+5B	=1N	+7B	+11N	6.5	30.5	34.0	30.75	2485	+11.0
3	Vinales Gonzalez, Enzo MathiasFM	2036	PAR	+52B	+41N	−2B	=11N	+29B	+15N	+9N	5.5	27.5	30.5	21.75	2088	+25.6
4	Montiel, Angel NathanaelCM	2076	PAR	+57N	+14B	+38N	−1B	+28N	=9B	+12N	5.5	27.5	30.5	21.75	2057	+3.4
5	Allo Collante, Enrique	2152	PAR	+33N	+31B	+13N	−2N	+17B	+19B	−1N	5.0	30.5	34.5	21.50	2098	-2.0
6	Britez Gonzalez, Jorge A	1826	PAR	+54N	+20B	−1N	=14B	+27B	=16N	+25B	5.0	28.0	31.0	20.00	1829	+2.8
7	Mayeregger, Arnold	2175	PAR	+80B	+40N	=8B	+36N	=10B	−2N	+23B	5.0	27.0	28.5	17.25	2096	-4.6
8	Gonzalez, Augusto	1919	PAR	+42B	+51N	=7N	+22B	=9N	−11B	+26N	5.0	25.5	28.5	19.25	1948	+10.2
9	Heinichen R., Juan UvaldoCM	2134	PAR	+55B	+25N	+12B	=10N	=8B	=4N	−3B	4.5	29.0	32.0	19.00	2017	-13.8
10	Ferreira Isasi, OscarFM	2173	PAR	+59N	+26B	+24N	=9B	=7N	−1B	=14N	4.5	28.5	31.5	18.00	2039	-15.0
11	Mayeregger Gonzalez, Renata ValentinaWFM	1838	PAR	F	+62N	+29B	=3B	+26N	+8N	−2B	4.5	27.5	27.5	18.25	2038	+57.0
12	Paredes Almada, Andres Joaquin	1704	PAR	+70N	+21B	−9N	+56B	=13N	+18B	−4B	4.5	26.5	29.0	16.75	1895	+52.8
13	Aguilar Petersen, Martin Alejandro	1746	PAR	+35B	+83N	−5B	+43N	=12B	=17N	=16B	4.5	26.0	27.0	15.25	1796	+14.8
14	Rivarola Rotela, Alejandro Moises	1632	PAR	+64B	−4N	+42B	=6N	+50B	=28N	=10B	4.5	25.5	28.0	15.75	1853	+61.6
15	Vazquez Ferreira, Alejandro	1735	PAR	=66N	+47B	=43N	+20B	=18N	−3B	+40N	4.5	25.0	27.5	16.75	1790	+11.6
16	Velazquez Ruiz, Liam Fabian	1627	PAR	+79N	−1B	=45N	+84B	+24N	=6B	=13N	4.5	25.0	26.0	13.00	1777	+54.0
17	Mayeregger Gonzalez, Fiorella AllegraWCM	1912	PAR	F	+32B	+60N	+30B	−5N	=13B	+22N	4.5	24.5	24.5	17.25	1873	-5.6
18	Roman, RodrigoCM	1983	PAR	+45N	−22B	+50B	+40N	=15B	−12N	+37B	4.5	23.5	26.5	15.75	1760	-31.4
19	Navarro Canete, Facundo Javier	1875	PAR	F	+68B	=22N	+31B	+38N	−5N	+44B	4.5	22.5	22.5	15.50	1918	+15.2
20	Ramirez Bentos, Ana Paula	1590	PAR	+87B	−6N	+83B	−15N	+55B	+65N	=36B	4.5	19.5	19.5	8.25	1627	+9.2
21	Gonzalez Gauto, Victor	1549	PAR	+67B	−12N	+74B	−50N	+72B	=36N	+62B	4.5	18.0	20.0	10.75	1571	+1.8
22	Galeano Recalde, Carlos Fabian	1620	PAR	+73B	+18N	=19B	−8N	=44B	+58N	−17B	4.0	25.0	27.0	13.50	1799	+49.2
23	Panaite, Adrian Maximilian	1701	PAR	+72B	−2N	+61B	=37N	=25B	+62N	−7N	4.0	24.0	26.0	10.75	1727	0.0
24	Recalde Vazquez,Virgilio Samuel	1761	PAR	+81B	+37N	−10B	=27N	−16B	+41N	=43B	4.0	23.5	25.0	12.25	1705	-11.4
25	Gonzalez Mendez, Martin Ezequiel	1601	PAR	+77N	−9B	+81N	=39B	=23N	+30B	−6N	4.0	23.0	24.5	11.25	1670	+13.6
26	Cristaldo, Ulises	1690	PAR	+63B	−10N	+55B	+65N	−11B	+61N	−8B	4.0	22.0	24.5	10.50	1702	+0.2
27	Martinez Campos, Rita Hayelen	1640	PAR	F	+69B	=39N	=24B	−6N	+42B	+38N	4.0	22.0	22.0	13.25	1773	+36.4
28	Alves, Gabriel Carissimo	1723	BRA	F	=61N	+49B	+41N	−4B	=14B	+60N	4.0	22.0	22.0	13.00	1769	+12.4
29	Dominguez Maidana, Juan Alberto	1656	PAR	F	+66B	−11N	+75B	−3N	+32B	+39N	4.0	22.0	22.0	12.00	1768	+14.0
30	Bernal Gonzalez, Elias Emanuel	0	PAR	=50B	+80N	+44B	−17N	=36B	−25N	+49B	4.0	21.5	23.0	11.25	1672	0.0
31	Alderete, Nestor	1677	PAR	+88B	−5N	+52B	−19N	−61B	+54N	+57B	4.0	21.0	21.0	9.00	1637	-7.8
32	Valenzuela Jara, Leandro	0	PAR	+82B	−17N	−37B	+54N	+49B	−29N	+61B	4.0	20.5	22.0	10.00	1603	0.0
33	Acosta Ibalo, Brahian Gabriel	1486	PAR	−5B	−64N	+73B	+78N	−43B	+53N	+50B	4.0	19.0	20.5	9.50	1599	+13.2
34	Bareiro Marzal, Nicole Arami	1431	PAR	−39B	+67N	−41B	−49N	+78B	+55N	+51B	4.0	18.5	20.0	10.00	1491	+13.2
35	Cardenas Duarte, Josias Fabricio	1428	PAR	−13N	F	F	+79B	+87N	+56B	+59N	4.0	12.0	12.0	7.50	1759	+62.0
36	Balbuena Escobar, Milciades de Jesus	1703	PAR	F	+58B	+48N	−7B	=30N	=21B	=20N	3.5	24.5	24.5	13.00	1724	+1.2
37	Baez Villalba, Alexander Matias	1549	PAR	+65N	−24B	+32N	=23B	=39N	=38B	−18N	3.5	23.5	26.0	12.00	1659	+28.0
38	Landreau, Mariano Antonio	1712	ARG	+89B	+53N	−4B	+51N	−19B	=37N	−27B	3.5	23.5	23.5	7.75	1589	-18.4
39	Leith Acosta, Marcelo Alejandro	1747	PAR	+34N	=48B	=27B	=25N	=37B	=43N	−29B	3.5	23.0	26.5	13.25	1577	-60.4
40	Torres Caballero, Sofia Anabela	1690	PAR	+76N	−7B	+57N	−18B	=62B	+48N	−15B	3.5	23.0	25.0	9.75	1672	-11.2
41	Otazu Ortigoza, Nery Samuel	1577	PAR	+85N	−3B	+34N	−28B	=42N	−24B	+75N	3.5	23.0	24.0	8.75	1575	-7.2
42	Galeano Rolin, Mateo Josias	1453	PAR	−8N	+77B	−14N	+74B	=41B	−27N	+63B	3.5	21.5	23.5	8.25	1356	-17.2
43	Barrios Pinanez, Carlos Emmanuel	1586	PAR	F	+86N	=15B	−13B	+33N	=39B	=24N	3.5	21.5	21.5	11.00	1695	+28.0
44	Came Fadul, Matias Daniel	1657	PAR	F	+84B	−30N	+45B	=22N	+59B	−19N	3.5	20.0	20.0	9.50	1730	+10.0
45	Olmedo Duartez, Matias Gael	1460	PAR	−18B	+87N	=16B	−44N	−63B	+66N	+64B	3.5	20.0	20.0	7.25	1558	+12.0
46	Troche Gonzalez, David Alexander Nahuel	1508	PAR	−2B	=63N	+69N	F	=53B	+72N	=58B	3.5	19.5	19.5	8.75	1493	-7.6
47	Farahani Nogues, Nader	1512	PAR	F	−15N	−63B	+71N	+66B	=50N	+52B	3.5	18.0	18.0	9.50	1675	+33.2
48	Almada Farina, Alan Luis	1553	PAR	+71B	=39N	−36B	+63N	F	−40B	+70N	3.5	18.0	18.0	9.25	1438	-17.6
49	Espinola Paredes, Gabriel Sebastian	1495	PAR	−1N	+70B	−28N	+34B	−32N	+69B	−30N	3.0	25.0	27.5	9.00	1558	+4.8
50	Alarcon Flores, Juan Gustavo	1699	PAR	=30N	+75B	−18N	+21B	−14N	=47B	−33N	3.0	25.0	27.0	10.25	1544	-50.8
51	Arroyo Vera, Gabriela Isabel	1567	PAR	+74N	−8B	+53N	−38B	−58N	+75B	−34N	3.0	20.5	22.5	7.00	1349	-53.2
52	Noguera Delgado, Gael Eduardo	1468	PAR	−3N	+79B	−31N	=53B	=69N	+74B	−47N	3.0	20.5	22.0	6.25	1433	-10.4
53	Ortigoza Esquivel, Benjamin Blas	0	PAR	+56N	−38B	−51B	=52N	=46N	−33B	+76N	3.0	20.0	22.0	8.25	1426	0.0
54	Vazquez Fleita, Pilar Alejandra	1438	PAR	−6B	=71N	=68N	−32B	+77N	−31B	+73B	3.0	20.0	22.0	6.50	1405	-6.4
55	Florenciano Cuba, Dylan Armando	1475	PAR	−9N	+76B	−26N	+85B	−20N	−34B	+83N	3.0	20.0	21.0	4.00	842	-44.8
56	Galeano Recalde, Jonathan Ezequiel	1570	PAR	−53B	+72N	+64B	−12N	−65B	−35N	+67B	3.0	19.0	21.0	7.00	728	-67.2
57	Colman Bobadilla, Alexis Emanuel	1474	PAR	−4B	+73N	−40B	−64N	+84N	+83B	−31N	3.0	18.5	19.5	4.00	1477	-4.4
58	Sauer Behling, Bernardo	1445	PAR	F	−36N	=78B	+67N	+51B	−22B	=46N	3.0	18.0	18.0	8.00	1513	+12.0
59	Otazu Ortigoza, Zari Mia	1498	PAR	−10B	+88N	−65B	+83N	+64B	−44N	−35B	3.0	18.0	18.0	3.50	808	-61.2
60	Barrios Torres, Carlos Enrique	1591	PAR	F	+78N	−17B	−62N	+81B	+63N	−28B	3.0	16.5	16.5	5.50	1457	-29.6
61	Insfran Bogarin, Liam	1489	PAR	F	=28B	−23N	+70B	+31N	−26B	−32N	2.5	22.5	22.5	8.50	1612	+22.4
62	Britez Sosa, Rolendio Josias	1524	PAR	F	−11B	+66N	+60B	=40N	−23B	−21N	2.5	22.0	22.0	7.25	1574	+11.2
63	Catella Riveros, Paolo Massimiliano	0	PAR	−26N	=46B	+47N	−48B	+45N	−60B	−42N	2.5	21.5	24.5	8.75	1444	0.0
64	Kuchenmeister Sanabria, Barbara Annabela	0	PAR	−14N	+33B	−56N	+57B	−59N	=68B	−45N	2.5	21.0	23.5	8.25	1423	0.0
65	Samudio Santacruz, Sabrina Sahari	0	PAR	−37B	F	+59N	−26B	+56N	−20B	=68N	2.5	20.5	20.5	7.25	1515	+26.8
66	Portillo Areco, Santiago Joel	1423	PAR	=15B	−29N	−62B	+86N	−47N	−45B	+82B	2.5	19.5	20.5	4.75	1379	-14.8
67	Samudio Santacruz, Stephanie Sophia	0	PAR	−21N	−34B	+76N	−58B	=70N	+84B	−56N	2.5	19.0	20.0	4.25	1247	0.0
68	Medina Cuenca, Leandro Andres	1530	PAR	F	−19N	=54B	−72N	+73B	=64N	=65B	2.5	16.5	16.5	6.00	1454	-16.0
69	Davalos Gauto, Charles Perhan	0	PAR	F	−27N	−46B	+82N	=52B	−49N	+78B	2.5	16.5	16.5	4.50	1384	0.0
70	Alfonso Galeano, Sebastian	0	PAR	−12B	−49N	+87B	−61N	=67B	+88N	−48B	2.5	16.0	16.0	1.25	765	0.0
71	Reyes Velazquez, Santiago E	0	PAR	−48N	=54B	−75N	−47B	−74N	+79B	+84N	2.5	15.5	16.5	4.00	1418	0.0
72	Bachmann Valdovinos, Tomas	0	PAR	−23N	−56B	+77N	+68B	−21N	−46B	−74N	2.0	19.5	21.5	4.50	1335	0.0
73	Lerea Ozuna, Mathias David	0	PAR	−22N	−57B	−33N	+76B	−68N	+85B	−54N	2.0	18.5	19.5	3.00	711	0.0
74	Portillo Areco, Jeremias Ezequiel	0	PAR	−51B	F	−21N	−42N	+71B	−52N	+72B	2.0	18.5	18.5	4.50	704	0.0
75	Dominguez Velastiqui, Julio Andres	1444	PAR	F	−50N	+71B	−29N	+80B	−51N	−41B	2.0	17.5	17.5	4.00	1356	-18.8
76	FIDE 3722937	0	—	−40B	−55N	−67B	−73N	+86B	+87N	−53B	2.0	15.0	15.0	1.00	768	0.0
77	Melgarejo Estigarribia, Erick Hernan	0	PAR	−25B	−42N	−72B	+88N	−54B	−78N	+87B	2.0	14.0	14.0	0.00	698	0.0
78	Pinanez Barrios, Cristhian Ezequiel	0	PAR	F	−60B	=58N	−33B	−34N	+77B	−69N	1.5	18.5	18.5	3.50	1167	0.0
79	Kuchenmeister Sanabria, Marco	0	PAR	−16B	−52N	−80B	−35N	=82B	−71N	+88B	1.5	17.0	17.0	0.75	1151	-62.0
80	Ricardo Benitez, Mateo Andres	1499	PAR	−7N	−30B	+79N	=81B	−75N	F	F	1.5	14.0	14.0	2.25	1469	-13.2
81	Ricardo Benitez, Manuel Alejandro	1436	PAR	−24N	+85B	−25B	=80N	−60N	F	F	1.5	13.5	13.5	1.75	1292	-25.2
82	Bareiro Marzal, Mathias Ariel	1544	PAR	−32N	F	F	−69B	=79N	+86B	−66N	1.5	11.5	11.5	1.75	1244	-30.8
83	FIDE 3714357	0	—	F	−13B	−20N	−59B	+85N	−57N	−55B	1.0	19.0	19.0	1.00	753	0.0
84	Arcos Ramirez, Juan	1439	PAR	F	−44N	+86B	−16N	−57B	−67N	−71B	1.0	17.0	17.0	1.00	788	-37.2
85	FIDE 3723933	0	—	−41B	−81N	+88B	−55N	−83B	−73N	−86N	1.0	12.0	12.0	0.00	689	0.0
86	Samudio Santacruz, Samira Susana	0	PAR	F	−43B	−84N	−66B	−76N	−82N	+85B	1.0	11.5	11.5	1.00	697	0.0
87	Meza Lopez, Rayza Paloma	0	PAR	−20N	−45B	−70N	F	−35B	−76B	−77N	0.0	18.5	18.5	0.00	706	0.0
88	FIDE 3724212	0	—	−31N	−59B	−85N	−77B	F	−70B	−79N	0.0	14.0	14.0	0.00	742	0.0
89	Aguilar Torres, Josias Samuel	0	PAR	−38N	F	F	F	F	F	F	0.0	5.5	5.5	0.00	912	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Cardenas Duarte, Josias FabricioPAR
+62.0
4.0 pts · #27
2Rivarola Rotela, Alejandro MoisesPAR
+61.6
4.5 pts · #23
3Mayeregger Gonzalez, Renata ValentinaWFMPAR
+57.0
4.5 pts · #14

Top rating losers

1Galeano Recalde, Jonathan EzequielPAR
-67.2
3.0 pts · #82
2Kuchenmeister Sanabria, MarcoPAR
-62.0
1.5 pts · #70
3Otazu Ortigoza, Zari MiaPAR
-61.2
3.0 pts · #80

Biggest upsets

R2+363 Elo gap
Galeano Recalde, Carlos Fabian1620 beat CMRoman, Rodrigo1983
R6+279 Elo gap
Paredes Almada, Andres Joaquin1704 beat CMRoman, Rodrigo1983
R7+213 Elo gap
Acosta Ibalo, Brahian Gabriel1486 beat Alarcon Flores, Juan Gustavo1699