IV Aberto FIDE PUC Rio Movimento Xadrez

Open SwissStandard

38 players participated in this 6-round tournament, held from 07 Mar 2026 to 08 Mar 2026 in Rio de Janeiro RJ, Brazil. 3 federations represented. Top 10 Elo average was 1929, and top seed was Ivan Frolov (🇷🇺 RUS, 2020).

Joao Lizak Aipperspach (🇧🇷 BRA, 1960) won with 5.0/6, ahead of Eduardo Rodrigues C De Miranda (5.0) and Ivan Frolov (4.5). Aipperspach won on tie-break after catching the field in the final round.

The biggest upset came in round 5: Lino Dias Nunes (1592) beat Joao Pedro Aurelio (1798), a +206-point gap.

Location

🇧🇷Rio de Janeiro RJ, Brazil

Dates

07 Mar 2026 → 08 Mar 2026

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇷🇺Ivan Frolov2020

Avg top 10

1,929

Participants

Federations · 3 represented

🇧🇷Brazil×29

🇷🇺Russia×1

🇨🇱Chile×1

Top 3

🥇
Joao Lizak Aipperspach
🇧🇷BRA·1960
5.0pts·2087perf+31.2
🥈
Eduardo Rodrigues C De Miranda
🇧🇷BRA·1995
5.0pts·2597perf+43.2
🥉
Ivan Frolov
🇷🇺RUS·2020
4.5pts·2051perf+6.6

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 5.0/6, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 2 at the finish.

Co-leaders

De Miranda5Aipperspach5De Moura Silva4.5Frolov4.5Fernandes4.5Magalhaes4

R6 · TIEBREAK CLUSTER

2 players finish on 5.0/6. Aipperspach takes the title on Buchholz Cut1 (18.0).

WIN STREAKS · 2 top finishers

Eduardo Rodrigues C De Miranda 5 wins (R2–R6)Joao Lizak Aipperspach 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Eduardo Rodrigues C De Miranda	*	—	—	1
2Joao Lizak Aipperspach	—	*	0	—
3Guilherme De Moura Silva	—	1	*	0
4Ivan Frolov	0	—	1	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Aipperspach, Joao Lizak	1960	BRA	+23N	+17B	+18N	−4B	+6N	+11B	5.0	18.0	21.0	16.50	2087	+31.2
2	De Miranda, Eduardo Rodrigues C	1995	BRA	F	+25N	+13B	+8B	+19N	+3N	5.0	17.5	17.5	17.50	2597	+43.2
3	Frolov, Ivan	2020	RUS	+15N	+8B	+11N	=6B	+4N	−2B	4.5	21.0	24.5	17.50	2051	+6.6
4	De Moura Silva, Guilherme	2005	BRA	+21B	+16N	=7B	+1N	−3B	+14N	4.5	20.0	23.0	16.50	1995	+5.2
5	Fernandes, Joao Manoel Strauss	1840	BRA	+30N	+9B	−6N	+17B	=7B	+22N	4.5	18.0	19.5	13.50	1936	+10.2
6	Franca, Joao Vitor Da Silva	1888	BRA	+20B	+12N	+5B	=3N	−1B	=7N	4.0	21.5	24.5	15.25	1945	+16.8
7	Marinho, Alexandre Jose de Souza	1878	BRA	+34N	+19B	=4N	=10B	=5N	=6B	4.0	20.0	21.0	12.50	1925	+14.8
8	Ferraz, Rodrigo Meireles	1784	BRA	+32B	−3N	+21B	−2N	+24B	+19N	4.0	18.5	20.0	10.50	1789	+0.8
9	Magalhaes, Miguel Campos Da Silva	0	BRA	+22B	−5N	−12B	+27N	+21B	+16N	4.0	17.0	19.5	11.50	1755	0.0
10	Pesco, Sinesio	1939	BRA	−24B	+36N	+27B	=7N	=16B	+17N	4.0	15.5	15.5	9.00	1917	-1.2
11	Celani, Guilherme Fontes	1855	BRA	+25B	+14N	−3B	=16N	+20B	−1N	3.5	19.0	21.5	10.50	1741	-24.4
12	Henrique, Leticia Fritz	1666	BRA	+33N	−6B	+9N	=18B	=22B	=13N	3.5	17.5	18.5	9.75	1759	+8.6
13	Candido, Vinicius Rezende	1789	BRA	+38N	+31B	−2N	−19B	+23N	=12B	3.5	16.0	16.0	6.25	1479	-46.4
14	Nunes, Lino Dias	1592	BRA	+26N	−11B	=31N	+30B	+18N	−4B	3.5	15.0	16.5	7.75	1756	+20.4
15	De Oliveira, Jefferson Souza	1588	BRA	−3B	=32N	−20B	+36N	+26B	+31N	3.5	13.0	13.0	4.75	1188	-3.2
16	Mesquita, Arnaldo Leite	1743	BRA	+28N	−4B	+23N	=11B	=10N	−9B	3.0	19.0	21.0	8.75	1808	+4.4
17	Rezende, Lucas Da Silva	1691	BRA	+35B	−1N	+24B	−5N	+28B	−10B	3.0	18.5	19.5	6.00	1113	-26.4
18	Aurelio, Joao Pedro	1798	BRA	+36B	+24N	−1B	=12N	−14B	=20N	3.0	18.0	18.0	6.25	1466	-49.6
19	Nogueira, Adnilton Correia de Almeida	1595	BRA	+37B	−7N	+34B	+13N	−2B	−8B	3.0	17.5	17.5	4.50	1668	+5.2
20	Da Silva, Alexandre Pinto Alves	0	BRA	−6N	=26B	+15N	+31B	−11N	=18B	3.0	16.5	18.0	7.75	1695	0.0
21	De Carvalho, Mauro Machado	1548	BRA	−4N	+28B	−8N	+33B	−9N	+29B	3.0	16.5	17.5	5.00	1066	-5.6
22	Laba, Otavio De Souza	1908	BRA	−9N	=30B	+33N	+26B	=12N	−5B	3.0	16.0	17.0	6.00	1560	-35.6
23	FIDE 538067030	0	—	−1B	+35N	−16B	+25N	−13B	+28N	3.0	16.0	17.0	5.50	1031	0.0
24	Faria, Luisa Gomes Mortoni	0	BRA	+10N	−18B	−17N	+37B	−8N	+30N	3.0	15.5	15.5	5.50	1610	0.0
25	Monroy Melo, Martin Daniel	0	CHI	−11N	−2B	+38N	−23B	+32N	=27B	2.5	15.5	15.5	2.75	1539	0.0
26	Rocha, Enrico Vitorio Nosenzo	0	BRA	−14B	=20N	+29B	−22N	−15N	+?B	2.5	15.0	15.0	3.50	1433	0.0
27	Sarmento, Flora Ferreira	1579	BRA	F	+38B	−10N	−9B	+33N	=25N	2.5	11.5	11.5	2.25	1139	-4.4
28	FIDE 538070081	0	—	−16B	−21N	+36B	+32N	−17N	−23B	2.0	13.5	13.5	1.50	861	0.0
29	Gualberto, Caleb Elias Hussin	0	BRA	F	−33B	−26N	+?B	+37N	−21N	2.0	6.5	6.5	0.00	1483	0.0
30	Da Fonseca, Alessandro Martins	0	BRA	−5B	=22N	+32B	−14N	−31N	−24B	1.5	15.5	17.0	3.00	1506	0.0
31	Salles, Carlos Will	0	BRA	F	−13N	=14B	−20N	+30B	−15B	1.5	15.0	15.0	3.25	1383	0.0
32	FIDE 538008360	0	—	−8N	=15B	−30N	−28B	−25B	+36N	1.5	13.5	13.5	1.75	1493	0.0
33	FIDE 538097320	0	—	−12B	+29N	−22B	−21N	−27B	F	1.0	14.0	14.0	2.00	877	0.0
34	FIDE 538080982	0	—	−7B	+37N	−19N	F	F	F	1.0	7.0	7.0	0.00	936	0.0
35	Carvalho, Arthur Gomes Dummar	0	BRA	−17N	−23B	+?N	F	F	F	1.0	6.0	6.0	0.00	1554	0.0
36	Cordeiro, Lana De Aragao	0	BRA	−18N	−10B	−28N	−15B	−?N	−32B	0.0	14.0	14.0	0.00	886	0.0
37	FIDE 538097338	0	—	−19N	−34B	F	−24N	−29B	F	0.0	10.0	10.0	0.00	794	0.0
38	FIDE 538008351	0	—	−13B	−27N	−25B	F	F	F	0.0	8.5	8.5	0.00	887	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1De Miranda, Eduardo Rodrigues CBRA
+43.2
5.0 pts · #3
2Aipperspach, Joao LizakBRA
+31.2
5.0 pts · #5
3Nunes, Lino DiasBRA
+20.4
3.5 pts · #19

Top rating losers

1Aurelio, Joao PedroBRA
-49.6
3.0 pts · #27
2Candido, Vinicius RezendeBRA
-46.4
3.5 pts · #25
3Laba, Otavio De SouzaBRA
-35.6
3.0 pts · #23

Biggest upsets

R5+206 Elo gap
Nunes, Lino Dias1592 beat Aurelio, Joao Pedro1798
R4+194 Elo gap
Nogueira, Adnilton Correia de Almeida1595 beat Candido, Vinicius Rezende1789