Matheus Nunes Dias

BRA · 31 yrs · K=20 · Peak 1806 (Mar 2024)

Best performance: 2063 at III Aberto do Brasil Cidade de Maringa(Best of 2013)

NOV26 Rating

1796

Live Rating

1796.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Nov 2026	1796	0
Oct 2026	1796	0
Sep 2026	1796	0
Aug 2026	1796	0
Jul 2026	1796	0
Jun 2026	1796	0
May 2026	1796	0
Apr 2026	1796	0
Mar 2026	1796	0
Feb 2026	1796	0
Jan 2026	1796	0
Dec 2025	1796	0

Form · Classical

oldest → latest

Unbeaten in the last 3 games (2 wins, 1 draw), since Jun 21, 2025.

From 302 classical games on record, the latest on Jun 22, 2025.

Classical games since the November list

No rated standard games this rating periodsince the NOV26 list (Nov 1, 2026)

	Last played	Score	TPR
	Campeonato Brasileiro Amador STD U2000 2025Jun 19, 2025 – Jun 22, 2025TPR 1753	4/7	1753

The live rating moves only when new rated games are played. Until then it matches the published rating.

Best wins · Classical

From 206 rated classical games against rated opponents, 2010–2025

#	Opponent	Rating
1,	Tiago Augusto Dos Santos, Apr 2016 · II Aberto do Brasil Dr Cassio de Freitas Levy	, 2034
2,	Marcelo Ferreira Lopes, Aug 2014 · IV Aberto do Brasil Cidade de Maringa	, 2026
3,	Hugo Leonardo De Brito Buarque, Apr 2015 · Campeonato Brasileiro Amador 2015	, 1992
4,	John Baldwin, Jul 2013 · III Aberto do Brasil Cidade de Maringa	, 1965
5,	Vinicius Yasuto Ikeda, May 2015 · Campeonato Brasileiro Amador 2015	, 1944
6,	Matthias Lootens, Sep 2015 · FIDE World Junior U20 Championship (Open)	, 1935
7,	Adriano Da Silva, Jan 2024 · X Floripa Chess Open 2024	, 1926
8,	Igor Dos Santos Silva, May 2015 · Campeonato Brasileiro Amador 2015	, 1912
9,	Dimitri Ariel Pires Boeira, Jan 2016 · II Floripa Chess Open 2016	, 1882
10,	Guilherme Pereira De Almeida, Apr 2012 · I Open de Xadrez de Altinopolis	, 1876

#	Opponent	Overall	Rating
1,	GM Alan Pichot, Highest-rated meeting: Jan 2023 · IX Floripa Chess Open 2023	, 0/1	, 2634
2,	GM Neuris Delgado Ramirez, Highest-rated meeting: Jul 2013 · III Aberto do Brasil Cidade de Maringa	, 0/1	, 2583
3,	GM Luis Paulo Supi, Highest-rated meeting: Apr 2016 · II Aberto do Brasil Dr Cassio de Freitas Levy	, 0/1	, 2479
4,	GM Everaldo Matsuura, Highest-rated meeting: Aug 2014 · IV Aberto do Brasil Cidade de Maringa	, 0/2	, 2473
5,	IM Zhanat Saiyn, Highest-rated meeting: Sep 2015 · FIDE World Junior U20 Championship (Open)	, 0/1	, 2413
6,	IM Mikhail Popov, Highest-rated meeting: Sep 2015 · FIDE World Junior U20 Championship (Open)	, 0/1	, 2327
7,	IM Ezra Kirk, Highest-rated meeting: Sep 2015 · FIDE World Junior U20 Championship (Open)	, 0/1	, 2315
8,	FM Benedict Hasenohr, Highest-rated meeting: Sep 2015 · FIDE World Junior U20 Championship (Open)	, 0/1	, 2309
9,	Marcel Heimar Ribeiro Utiyama, Highest-rated meeting: Feb 2015 · I IRT de Xadrez do Liceu Contemporaneo	, 0/2	, 2219
10,	CM Gani Eren Ererdem, Highest-rated meeting: Sep 2015 · FIDE World Junior U20 Championship (Open)	, 0/1	, 2213

Openings · Classical

From the moves of 224 of 302 classical games on record.

As WhiteOpens 1.d4 in 95 of 111 games, 1.e4 in 12.

As BlackMeets 1.e4 with 1...e6, and 1.d4 with 1...Nf6.

All openings (9 as White, 9 as Black)

Openings in White games	Games	Score
Queen's Gambit Declined	28	45%
King's Indian Defense	17	44%
Slav Defense	9	50%
Grünfeld Defense	7	21%
English Opening	5	10%
Dutch Defense	4	63%
Indian Defense	4	63%
Semi-Slav Defense	4	63%
Caro-Kann Defense	3	67%

30 more games in openings played fewer than 3 times.

Against 1.e4: 1...e6 in 41, 1...e5 in 12, 1...c5 in 3.

Against 1.d4: 1...Nf6 in 33, 1...d5 in 7.

Against 1.Nf3: 1...Nf6 in 3.

Openings in Black games	Games	Score
French Defense	41	44%
King's Indian Defense	24	63%
Zukertort Opening	5	50%
English Opening	4	25%
Queen's Gambit Declined	4	13%
Queen's Pawn Game	4	25%
Indian Defense	3	17%
Ruy Lopez	3	33%
Sicilian Defense	3	67%

22 more games in openings played fewer than 3 times.

Event timeline · Classical

47 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Performance rating by year

Year	Games	Score	Avg opp	TPR
2025	7	4	1703	1753
2024	10	4	1766	1694
2023	12	6	1728	1728
2021	7	1½	1803	1573
2017	3	0	2058	1258
2016	30	13½	1758	1722
2015	43	14½	1938	1821
2014	21	5½	1881	1697
2013	41	12	1867	1709
2012	14	3	1820	1590
2011	14	6	1626	1576
2010	4	0	1813	1013

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

Campeonato Brasileiro Amador STD U2000 20251753
Jun 2025Swissfederation source
Best of 2025Score 4/7Opp avg 1703Start 1806
X Floripa Chess Open 20241694
Jan 2024Swissfederation source
Best of 2024Score 4/10Opp avg 1766Start 1684
Campeonato Brasileiro Amador STD Under 20001732
Jun 2023Swissfederation source
Best of 2023Score 4½/7Opp avg 1675Start 1672
IX Floripa Chess Open 20231725
Jan 2023Swissfederation source
#2 in 2023Score 4½/8Opp avg 1782Start 1680
Panamerican Amateur Chess Championship 2021 Under 2000 Open1573
Dec 2021Swissfederation source
Best of 2021Score 2½/8Opp avg 1803Start 1701
3 Aberto do Brasil Dr Cassio de Freitas Levy1258
Jun 2017Swissfederation source
Score 2½/6Opp avg 2058Start 1709
Circuito IRT Pensado CXSSP 4a Etapa1737
Dec 2016Swissfederation source
#3 in 2016Score 3/5Opp avg 1665Start 1703
Circuito IRT Pensado CXSSP 3a Etapa1014
Oct 2016Swissfederation source
Score 1½/5Opp avg 1814Start 1727
Campeonato Brasileiro Amador 2016 U-18001625
May 2016Swissfederation source
#5 in 2016Score 4/7Opp avg 1500Start 1722
II Aberto do Brasil Dr Cassio de Freitas Levy1938
Apr 2016Swissfederation source
Best of 2016Score 2½/6Opp avg 2087Start 1722
IRT CXSSP 2016 Sub 22001679
Feb 2016Swissfederation source
#4 in 2016Score 3/5Opp avg 1679Start 1726
II Floripa Chess Open 20161782
Jan 2016Swissfederation source
#2 in 2016Score 4½/10Opp avg 1832Start 1717
I IRT de Tabapua (SP) U-22001971
Nov 2015Swissfederation source
Best of 2015Score 4/5Opp avg 1846Start 1695
II IRT STD Fechado do Clube de Xadrez Online1752
Oct 2015Swissfederation source
#6 in 2015Score 5/9Opp avg 1824Start 1676
I IRT de Guaira SP U-2200—(2)
Oct 2015Swissfederation source
Score 4/5Opp avg 1715Start 1676
FIDE World Junior U20 Championship (Open)1726
Sep 2015Swissfederation source
#7 in 2015Score 1½/13Opp avg 2062Start 1699
II IRT Colegiao U2200 Memorial Irma Norma Ravazzi—(1)
Jul – Aug 2015Swissfederation source
Score 2½/5Opp avg 2178Start 1701
Campeonato Brasileiro Amador 20151921
Apr – May 2015Swissfederation source
#2 in 2015Score 3/7Opp avg 1971Start 1638
III IRT STD Xadrez Batatais1835
Mar 2015Swissfederation source
#3 in 2015Score 3/5Opp avg 1835Start 1634
Aberto do Brasil Casa de Fazer - Campinas1791
Mar 2015Swissfederation source
#4 in 2015Score 3/6Opp avg 1878Start 1634
I IRT de Xadrez do Liceu Contemporaneo1776
Feb – Mar 2015Swissfederation source
#5 in 2015Score 3/5Opp avg 1901Start 1634
II IRT Clássico Xadrez Batatais—(2)
Jan 2015Swissfederation source
Score 2½/5Opp avg 1868Start 1633
Campeonato Brasileiro Juvenil (sub-20) Absoluto 20141829
Dec 2014Swissfederation source
#2 in 2014Score 4/7Opp avg 1916Start 1618
IV Aberto do Brasil Cidade de Maringa1953
Aug 2014Swissfederation source
Best of 2014Score 5/9Opp avg 2146Start 1605
Campeonato Paulista Juvenil Absoluto 2014—(2)
May – Jun 2014Swissfederation source
Score 4½/6Opp avg 1600Start 1619

Live ratings projected from the NOV26 published list · Not affiliated with FIDE