IV GRAND PRIX PALIZAS 2025

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69 players participated in this 7-round tournament, held from 03 Oct 2025 to 05 Oct 2025 in San Lorenzo, Paraguay. 10 titled players from 2 federations. Top 10 Elo average was 2047, and top seed was Arnold Mayeregger (🇵🇾 PAR, 2175).

Arnold Mayeregger (🇵🇾 PAR, 2175) won with 5.5/7, ahead of Enrique Butti (5.5) and Enzo Mathias Vinales Gonzalez (5.0). Mayeregger shared the lead from round 6, winning on tie-break.

The biggest upset came in round 1: Liam Insfran Bogarin (1451) beat Renata Valentina Mayeregger Gonzalez (WFM, 1865), a +414-point gap.

Location

🇵🇾San Lorenzo, Paraguay

Dates

03 Oct 2025 → 05 Oct 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇵🇾Arnold Mayeregger2175

Avg top 10

2,047

Participants

Titled players · 10

FM×1

CM×6

WFM×1

WCM×2

Federations · 2 represented

🇵🇾Paraguay×64

🇦🇷Argentina×1

Top 3

🥇
Arnold Mayeregger
🇵🇾PAR·2175
5.5pts·2157perf-0.4
🥈
CMEnrique Butti
🇵🇾PAR·1952
5.5pts·2016perf+15.0
🥉
FMEnzo Mathias Vinales Gonzalez
🇵🇾PAR·2009
5.0pts·2057perf+26.8

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 2 players tied at 5.5/7, decided on Buchholz.

Co-leaders

Mayeregger5.5Butti5.5Allo Collante5Caceres Benitez5Montiel5Roman5— ex-leaders:Vinales Gonzalezled R4–R5, #7

R7 · TIEBREAK CLUSTER

2 players finish on 5.5/7. Mayeregger takes the title on Buchholz Cut1 (27.0).

WIN STREAKS · 2 top finishers

CM Enrique Butti 3 wins (R4–R6)Enrique Allo Collante 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Arnold Mayeregger	*	—	½	½
2CMEnrique Butti	—	*	0	—
3Enrique Allo Collante	½	1	*	—
4CMFernando Israel Caceres Benitez	½	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Mayeregger, Arnold	2175	PAR	+36N	+32B	=8N	+15B	=4N	+3B	=9N	5.5	27.0	30.0	22.50	2157	-0.4
2	Butti, EnriqueCM	1952	PAR	+39N	+25B	−4N	+31B	+32N	+14B	=13B	5.5	23.0	26.0	19.00	2016	+15.0
3	Vinales Gonzalez, Enzo MathiasFM	2009	PAR	+34N	+14B	+10N	+5B	=13B	−1N	=7B	5.0	28.5	31.5	21.50	2057	+26.8
4	Allo Collante, Enrique	2161	PAR	+53B	+11N	+2B	=7N	=1B	−13N	+26B	5.0	28.5	30.5	21.25	2061	-8.8
5	Montiel, Angel NathanaelCM	2090	PAR	+44B	+22N	=15B	−3N	+19B	=8N	+16B	5.0	26.0	28.5	19.00	1965	-13.8
6	Roman, RodrigoCM	1985	PAR	+60B	+17N	+18B	−13N	=7B	=12N	+22B	5.0	25.5	26.5	17.75	1939	-3.0
7	Lugo Martinez, Jimena SofiaWCM	1746	PAR	+37B	+62N	+57N	=4B	=6N	=9B	=3N	5.0	24.5	25.5	15.50	1979	+70.8
8	Caceres Benitez, Fernando IsraelCM	1949	PAR	+28B	+49N	=1B	F	+15N	=5B	+21N	5.0	24.0	24.0	18.75	2167	+71.2
9	Mayeregger Gonzalez, Fiorella AllegraWCM	1893	PAR	+56B	+61N	−13B	+50N	+26B	=7N	=1B	5.0	22.0	23.0	13.75	1944	+19.2
10	Britez Gonzalez, Jorge A	1828	PAR	+64B	+66N	−3B	+17N	−16N	+31B	+14N	5.0	21.5	21.5	12.50	1804	-1.6
11	Balbuena Escobar, Milciades de Jesus	1696	PAR	+54N	−4B	−44N	+37B	+33N	+25B	+27B	5.0	20.5	22.5	15.00	1744	+6.0
12	Mayeregger Gonzalez, Renata ValentinaWFM	1865	PAR	−47N	+19B	+33N	+30B	−14N	=6B	+35N	4.5	22.5	25.0	16.00	1764	-26.8
13	Cantero, RodolfoCM	2151	PAR	F	F	+9N	+6B	=3N	+4B	=2N	4.0	28.5	28.5	20.25	2241	+10.4
14	Gonzalez Ortiz, Veronica Gisselle	1679	PAR	+20B	−3N	+54B	+44N	+12B	−2N	−10B	4.0	26.5	28.5	13.00	1764	+15.6
15	Gonzalez, Augusto	1928	PAR	+41N	+33B	=5N	−1N	−8B	+52B	=32N	4.0	24.5	26.5	12.00	1849	-8.4
16	Vera Velazquez, Mauricio Rafael	1629	PAR	F	+64N	+24B	+18N	+10B	−21B	−5N	4.0	23.0	23.0	14.00	1894	+62.4
17	Aguero Gomez, Angel Dario	1642	PAR	+69N	−6B	+39N	−10B	−34N	+37B	+38N	4.0	22.0	22.0	9.00	1573	-21.6
18	Ayala Sanabria, Erick Benjamin	1791	PAR	+46N	+47B	−6N	−16B	−25N	+41B	+45N	4.0	20.5	23.0	10.50	1625	-49.6
19	Cuenca Ojeda, Alejandro Martin	1659	PAR	=40B	−12N	+55B	+57N	−5N	=45B	+34N	4.0	20.0	21.5	9.25	1726	+19.2
20	Duarte Fernandez, Ivan Ricardo	0	PAR	−14N	+34B	−21N	−33B	+60N	+57B	+36N	4.0	18.5	19.5	8.50	1662	0.0
21	Amarilla Ettiene, EzequielCM	2072	PAR	F	F	+20B	+45N	+35B	+16N	−8B	4.0	18.5	18.5	13.50	1935	-17.2
22	Cardozo Acosta, Axel Maximiliano	1687	PAR	+58N	−5B	+60N	F	+49B	+34B	−6N	4.0	17.5	17.5	7.50	1794	+23.6
23	Villasanti Ferres, Sebastian	1729	PAR	+29B	F	+35N	+25B	F	−27N	+30B	4.0	17.0	17.0	13.50	1800	+6.8
24	Munoz Lopez, Luis Fernando	0	PAR	+51B	F	−16N	+60B	F	+48N	+53B	4.0	11.5	11.5	7.50	1604	0.0
25	Gonzalez Gauto, Victor	1538	PAR	+63B	−2N	+62B	−23N	+18B	−11N	=29B	3.5	23.0	24.0	7.75	1639	+10.2
26	Benitez, Jhony	1689	PAR	F	=52N	+29B	+41B	−9N	+36B	−4N	3.5	21.5	21.5	10.50	1715	+1.0
27	Espinoza Molinas, Edgar Elian	1599	PAR	F	+43B	=50N	−32B	+46N	+23B	−11N	3.5	19.5	19.5	10.50	1671	+25.6
28	Osorio Franco, Thiago Daniel	1478	PAR	−8N	=38B	=59N	−40B	+63N	+33B	=31N	3.5	19.0	20.0	8.00	1674	+49.2
29	Acosta Martinez, Blas Emanuel	0	PAR	−23N	+36B	−26N	−52B	+67N	+42B	=25N	3.5	19.0	19.0	7.75	1538	0.0
30	Ortiz Bareiro, Josias Ezequiel	1638	PAR	+38N	F	+66B	−12N	+48B	=32B	−23N	3.5	17.0	17.0	7.00	1617	-8.8
31	Chen Jara, Alejandro Pauler	1668	PAR	+68N	F	+61B	−2N	+53B	−10N	=28B	3.5	17.0	17.0	4.75	1606	-16.0
32	Aguilar Petersen, Martin Alejandro	1730	PAR	F	−1N	+42B	+27N	−2B	=30N	=15B	3.0	25.0	25.0	10.25	1796	+15.2
33	Dure Hetter, Alejo Daniel	1522	PAR	+67B	−15N	−12B	+20N	−11B	−28N	+46N	3.0	23.5	23.5	6.50	1437	-30.4
34	Benitez Galeano, Gonzalo	1494	PAR	−3B	−20N	+63B	+66N	+17B	−22N	−19B	3.0	22.0	22.0	5.00	1588	+15.2
35	Martinez Campos, Rita Hayelen	1641	PAR	F	+55N	−23B	+46B	−21N	+47N	−12B	3.0	19.5	19.5	7.00	1653	-0.4
36	Schmidt Portillo, John Alexander	1517	PAR	−1B	−29N	+68B	+61N	+50B	−26N	−20B	3.0	19.5	19.5	3.00	1629	+13.6
37	Chen Jara, Maximiliano Paufa	1417	PAR	−7N	F	+51B	−11N	+61B	−17N	+49B	3.0	19.0	19.0	5.00	1570	+35.2
38	Melgarejo Cortessi, Thiago David	0	PAR	−30B	=28N	=56B	−48N	+51B	+49N	−17B	3.0	17.5	19.5	6.75	1499	0.0
39	Etcheverry Aranda, Estefano Daniel	1483	PAR	−2B	+63N	−17B	+62N	−45B	=59N	=40B	3.0	17.5	18.5	4.25	1442	-15.6
40	Garcia, Jorge Daniel	0	PAR	=19N	F	=48B	+28N	F	=44B	=39N	3.0	15.5	15.5	9.50	1546	0.0
41	Troche Gonzalez, David Alexander Nahuel	1475	PAR	−15B	+67N	+52B	−26N	F	−18N	+51B	3.0	15.5	15.5	4.00	1637	+30.8
42	Flores Coronel, Carlos Jose	1515	PAR	F	+58B	−32N	F	+55B	−29N	+61B	3.0	15.0	15.0	4.50	1569	+5.2
43	Arcos Ramirez, Juan	0	PAR	F	−27N	−45B	−51N	+65B	+62N	+50B	3.0	12.0	12.0	4.00	1395	-10.4
44	del Puerto Moreno, Juan Jose	1512	PAR	−5N	F	+11B	−14B	F	=40N	+47B	2.5	19.5	19.5	9.00	1691	+15.4
45	Ortiz Villalba, Josue Enrique	1496	PAR	F	−57B	+43N	−21B	+39N	=19N	−18B	2.5	19.5	19.5	8.00	1602	+23.2
46	Saguier Vazquez, Gustavo Sebastian	1422	PAR	−18B	+51N	+49B	−35N	−27B	=50N	−33B	2.5	17.5	19.5	5.00	1520	+30.4
47	Insfran Bogarin, Liam	1451	PAR	+12B	−18N	F	+59B	=52N	−35B	−44N	2.5	17.5	17.5	7.00	1596	+37.2
48	Ortiz Gimenez, David Javier	1490	PAR	F	−50B	=40N	+38B	−30N	−24B	+66N	2.5	15.5	15.5	4.50	854	-22.8
49	Chaparro Dionissi, Javier Ramon	1527	PAR	+59N	−8B	−46N	+54B	−22N	−38B	−37N	2.0	19.5	21.0	3.50	1358	-48.4
50	Barrios Pinanez, Carlos Emmanuel	1657	PAR	F	+48N	=27B	−9B	−36N	=46B	−43N	2.0	19.5	19.5	5.50	1437	-70.4
51	Temperley Espinola, Bruce Roderick	1592	PAR	−24N	−46B	−37N	+43B	−38N	+63B	−41N	2.0	18.5	19.5	4.00	1365	-61.2
52	Rivera Antunez, Abdon	1582	PAR	F	=26B	−41N	+29N	=47B	−15N	F	2.0	18.5	18.5	6.50	1448	-15.2
53	Villanueva Menendez, Joaquin	1517	PAR	−4N	F	F	+58B	−31N	+54B	−24N	2.0	18.0	18.0	3.50	992	-15.2
54	FIDE 3712923	0	—	−11B	F	−14N	−49N	+66B	−53N	+58B	2.0	16.5	16.5	1.50	810	0.0
55	Segovia Valdez, Guillermo	1408	PAR	F	−35B	−19N	+65B	−42N	+58B	F	2.0	14.5	14.5	2.50	805	-29.6
56	Kane, Ariel	1458	ARG	−9N	=59B	=38N	+67B	F	F	F	2.0	9.5	9.5	2.25	1500	+0.8
57	Dominguez Maidana, Juan Alberto	1668	PAR	F	+45N	−7B	−19B	F	−20N	=62B	1.5	16.5	16.5	3.00	1512	-12.8
58	Cardenas Granada, Fiorela Agostin	0	PAR	−22B	−42N	+64B	−53N	=62B	−55N	−54N	1.5	14.0	15.0	1.50	1272	0.0
59	Rodriguez Canale, Axel Daniel	0	PAR	−49B	=56N	=28B	−47N	F	=39B	F	1.5	14.0	14.0	4.25	1332	-52.8
60	Chaparro Dionissi, Pedro David	1492	PAR	−6N	F	−22B	−24N	−20B	−61N	+65B	1.0	19.0	19.0	1.00	990	-13.2
61	Lopez Ruiz Diaz, Sofia Isabel	0	PAR	F	−9B	−31N	−36B	−37N	+60B	−42N	1.0	18.5	18.5	1.00	1311	0.0
62	Schmidt Unger, Kenneth John	0	PAR	F	−7B	−25N	−39B	=58N	−43B	=57N	1.0	17.5	17.5	1.50	1211	0.0
63	Reyes Velazquez, Santiago E	0	PAR	−25N	−39B	−34N	F	−28B	−51N	+67B	1.0	15.0	15.0	0.00	720	-68.4
64	Colman Mongelos, Lucas Osmar	1435	PAR	−10N	−16B	−58N	+68B	F	F	F	1.0	12.0	12.0	0.00	929	-13.2
65	Espinola Duarte, Rocio Eliana	0	PAR	F	F	F	−55N	−43N	+67B	−60N	1.0	6.0	6.0	0.00	650	0.0
66	Mereles Quintana, Angela Beatriz	0	PAR	F	−10B	−30N	−34B	−54N	F	−48B	0.0	20.0	21.0	0.00	820	0.0
67	FIDE 3726150	0	—	−33N	−41B	F	−56N	−29B	−65N	−63N	0.0	13.5	13.5	0.00	673	0.0
68	FIDE 3726134	0	—	−31B	F	−36N	−64N	F	F	F	0.0	10.0	10.0	0.00	740	0.0
69	FIDE 3722848	0	—	−17B	F	F	F	F	F	F	0.0	7.0	7.0	0.00	841	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Caceres Benitez, Fernando IsraelCMPAR
+71.2
5.0 pts · #4
2Lugo Martinez, Jimena SofiaWCMPAR
+70.8
5.0 pts · #9
3Vera Velazquez, Mauricio RafaelPAR
+62.4
4.0 pts · #24

Top rating losers

1Barrios Pinanez, Carlos EmmanuelPAR
-70.4
2.0 pts · #38
2Reyes Velazquez, Santiago EPAR
-68.4
1.0 pts · #60
3Temperley Espinola, Bruce RoderickPAR
-61.2
2.0 pts · #42

Biggest upsets

R1+414 Elo gap
Insfran Bogarin, Liam1451 beat WFMMayeregger Gonzalez, Renata Valentina1865
R5+253 Elo gap
Gonzalez Gauto, Victor1538 beat Ayala Sanabria, Erick Benjamin1791
R5+199 Elo gap
Vera Velazquez, Mauricio Rafael1629 beat Britez Gonzalez, Jorge A1828