IRT Jubileu de Prata NXN

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35 players participated in this 6-round tournament, held from 05 Jul 2025 to 06 Jul 2025 in Niteroi RJ, Brazil. 3 titled players from 2 federations. Top 10 Elo average was 2082, and top seed was Daniel Rangel (🇧🇷 BRA, FM, 2279).

Daniel Rangel (🇧🇷 BRA, FM, 2279) won with 5.5/6, ahead of Arthur Nader Luz (5.5) and Ian Telek C. De Albuquerque (4.5). Rangel shared the lead from round 1, winning on tie-break.

The biggest upset came in round 2: Guilherme De Moura Silva (1921) beat Corentin Louis (2129), a +208-point gap.

Location

🇧🇷Niteroi RJ, Brazil

Dates

05 Jul 2025 → 06 Jul 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇧🇷FMDaniel Rangel2279

Avg top 10

2,082

Participants

Titled players · 3

FM×2

CM×1

Federations · 2 represented

🇧🇷Brazil×32

🇫🇷France×1

Top 3

🥇
FMDaniel Rangel
🇧🇷BRA·2279
5.5pts·2470perf+20.2
🥈
Arthur Nader Luz
🇧🇷BRA·2170
5.5pts·2406perf+26.6
🥉
CMIan Telek C. De Albuquerque
🇧🇷BRA·2229
4.5pts·2193perf-3.2

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 5.5/6, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Rangel5.5Luz5.5De Albuquerque4.5De Carvalho Jr4Santos4Louis4

R6 · TIEBREAK CLUSTER

2 players finish on 5.5/6. Rangel takes the title on Buchholz Cut1 (21.5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

FM Daniel Rangel drew with Arthur Nader Luz (White).

WIN STREAKS · 3 top finishers

FM Daniel Rangel 4 wins (R1–R4)Arthur Nader Luz 4 wins (R1–R4)CM Ian Telek C. De Albuquerque 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMDaniel Rangel	*	½	1	—
2Arthur Nader Luz	½	*	—	—
3CMIan Telek C. De Albuquerque	0	—	*	1
4Rogerio Brambilla De Carvalho Jr	—	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Rangel, DanielFM	2279	BRA	+13B	+24N	+6B	+3N	=2B	+4N	5.5	21.5	23.5	20.75	2470	+20.2
2	Luz, Arthur Nader	2170	BRA	+29B	+7N	+11B	+5N	=1N	+9B	5.5	21.5	22.5	19.75	2406	+26.6
3	De Albuquerque, Ian Telek C.CM	2229	BRA	+16N	+10B	+8N	−1B	+11N	=6B	4.5	21.5	24.5	17.00	2193	-3.2
4	Louis, Corentin	2129	FRA	+18N	−8B	+29N	+7B	+14N	−1B	4.0	19.5	20.5	11.00	2037	-9.8
5	Santos, Rafael Ventura DosFM	2113	BRA	+22B	=14N	+12B	−2B	=8N	+15B	4.0	19.0	21.0	12.00	2017	-11.2
6	Serpa, Rafael Araujo	2078	BRA	+23N	+15B	−1N	=8B	+31N	=3N	4.0	19.0	19.5	9.75	2066	+2.6
7	Dos Santos, Gilvan Nobrega	1913	BRA	+21N	−2B	+23N	−4N	+18B	+14B	4.0	18.0	20.0	10.50	1977	+9.2
8	De Moura Silva, Guilherme	1921	BRA	+26B	+4N	−3B	=6N	=5B	+28N	4.0	18.0	19.0	10.50	2090	+47.2
9	Yunes, David Teles	2001	BRA	+20B	=12N	=14B	+17N	+28B	−2N	4.0	17.5	18.5	9.75	1886	-10.6
10	De Carvalho Jr, Rogerio Brambilla	1939	BRA	+17B	−3N	+22B	−14N	+12B	+16N	4.0	17.0	19.0	11.50	1951	+5.6
11	Chaves, Jorge Antonio Torres	1951	BRA	+31N	+28B	−2N	+15B	−3B	+19N	4.0	17.0	17.5	7.50	2006	+8.2
12	Leus, Lucas Resende	1809	BRA	+34N	=9B	−5N	+13B	−10N	+31B	3.5	16.0	16.0	6.00	1891	+10.2
13	De Oliveira, Sergio Patricio	1792	BRA	−1N	+30B	=31B	−12N	+23N	+22B	3.5	14.0	14.5	5.25	1805	+1.0
14	Reimberg, Arthur Bernardo	1876	BRA	+25N	=5B	=9N	+10B	−4B	−7N	3.0	20.0	22.0	10.00	1947	+16.8
15	Franca, Joao Vitor Da Silva	1862	BRA	+27B	−6N	+20B	−11N	+17B	−5N	3.0	17.5	19.0	7.00	1797	-17.2
16	Ishida, Leopoldo Tetsuo	1755	BRA	−3B	−17N	+26B	+20N	+22B	−10B	3.0	16.0	17.5	6.00	1755	-2.0
17	Cardoso, Rafaela Martins	1590	BRA	−10N	+16B	+33N	−9B	−15N	+26B	3.0	15.5	16.0	5.00	1807	+60.4
18	Santana, Leandro Aurelio Da S	1722	BRA	−4B	+32N	−24B	+27N	−7N	+25B	3.0	13.5	14.0	4.00	1187	-22.8
19	Fernandes, Marcio Rosa	1798	BRA	+35B	F	−28N	+23B	+21N	−11B	3.0	9.5	9.5	4.50	1790	-0.4
20	Silva, Clara De Oliveira	1611	BRA	−9N	+34B	−15N	−16B	+30N	=21B	2.5	13.5	13.5	2.25	1599	-6.8
21	Tinoco, Bernardo Melamed Krawczen	0	BRA	−7B	−22N	+32B	+26N	−19B	=20N	2.5	13.0	13.5	3.25	1563	0.0
22	Correa, Leonardo D`avila	1697	BRA	−5N	+21B	−10N	+25B	−16N	−13N	2.0	17.0	19.0	4.50	1096	-21.4
23	Vargas, Victor Da Silva	1629	BRA	−6B	+27N	−7B	−19N	−13B	+30N	2.0	16.0	17.0	2.50	1576	-8.2
24	Dias, Marcelo de Souza	1926	BRA	+30N	−1B	+18N	F	F	F	2.0	10.5	10.5	4.00	1975	+4.4
25	Maia, Rafael Ferreira	0	BRA	−14B	−29N	+34B	−22N	+27B	−18N	2.0	10.5	10.5	1.50	962	0.0
26	De Carvalho, Mauro Machado	1540	BRA	−8N	=33B	−16N	−21B	+32B	−17N	1.5	13.0	13.5	0.75	1433	-19.2
27	Silka, Theo Saboia Brasil	0	BRA	−15N	−23B	+30N	−18B	−25N	=32B	1.5	11.0	11.5	1.25	1498	0.0
28	Da Silva, Calebe Pereira	0	BRA	F	−11N	+19B	F	−9N	−8B	1.0	17.0	17.0	3.00	1725	0.0
29	Sarmento, Flora Ferreira	1750	BRA	−2N	+25B	−4B	F	F	F	1.0	12.0	12.0	2.00	1340	-6.8
30	Laborao, Samuel Eduardo Ferreira	1550	BRA	−24B	−13N	−27B	+32N	−20B	−23B	1.0	11.5	12.0	0.50	940	-44.0
31	Da Silva, Pedro Oliveira	1611	BRA	−11B	F	=13N	F	−6B	−12N	0.5	16.0	16.0	1.75	1569	-8.0
32	FIDE 538045303	0	—	F	−18B	−21N	−30B	−26N	=27N	0.5	9.5	9.5	0.75	804	0.0
33	Motta, Vinicius Araujo Dias B.	1755	BRA	F	=26N	−17B	F	F	F	0.5	4.5	4.5	0.75	1372	-19.8
34	Viana, Marcelo Junior Dos Santos	0	BRA	−12B	−20N	−25N	F	F	F	0.0	8.0	8.0	0.00	910	0.0
35	FIDE 44734964	0	—	−19N	F	F	F	F	F	0.0	3.5	3.5	0.00	998	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Cardoso, Rafaela MartinsBRA
+60.4
3.0 pts · #10
2De Moura Silva, GuilhermeBRA
+47.2
4.0 pts · #12
3Luz, Arthur NaderBRA
+26.6
5.5 pts · #2

Top rating losers

1Laborao, Samuel Eduardo FerreiraBRA
-44.0
1.0 pts · #35
2Santana, Leandro Aurelio Da SBRA
-22.8
3.0 pts · #31
3Correa, Leonardo D`avilaBRA
-21.4
2.0 pts · #30

Biggest upsets

R2+208 Elo gap
De Moura Silva, Guilherme1921 beat Louis, Corentin2129
R2+165 Elo gap
Cardoso, Rafaela Martins1590 beat Ishida, Leopoldo Tetsuo1755
R3+165 Elo gap
Cardoso, Rafaela Martins1590 beat Motta, Vinicius Araujo Dias B.1755