IRT Estrategista Chess Classic U2400
Open SwissStandard
42 players participated in this 6-round tournament, held from 09 Jan 2026 to 11 Jan 2026 in Sao Caetano do Sul SP, Brazil. 3 federations represented. Top 10 Elo average was 2068, and top seed was Nicolas Seoane Miquelin (🇧🇷 BRA, 2232).
Nicolas Seoane Miquelin (🇧🇷 BRA, 2232) won with 5.5/6, ahead of Caio Medeiros Poeta (5.0) and Heitor Castelar Britto Pimenta (4.5). Miquelin took the lead from round 5.
The biggest upset came in round 1: Antonio De Araujo Junior (1670) beat Aiman Mohamed El Zwei (2050), a +380-point gap.
Location
🇧🇷Sao Caetano do Sul SP, Brazil
Dates
09 Jan 2026 → 11 Jan 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Federations · 3 represented
🇧🇷Brazil×40
🇱🇾Libya×1
🇬🇧England×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsNicolas Seoane Miquelin led from R5; +0.5-point edge over the runner-up.
Co-leaders
13
6
3
1
1
1
R5 · LEADER CHANGE11 Jan
Nicolas Seoane Miquelin takes the sole lead (4.5/5).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Nicolas Seoane Miquelin beat Caio Medeiros Poeta (White).
WIN STREAKS · 2 top finishers
Nicolas Seoane Miquelin 3 wins (R4–R6)Caio Medeiros Poeta 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Nicolas Seoane Miquelin | * | 1 | — | — |
| 2Caio Medeiros Poeta | 0 | * | — | 1 |
| 3Vinicius Saito | — | — | * | ½ |
| 4Heitor Castelar Britto Pimenta | — | 0 | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Miquelin, Nicolas Seoane | 2232 | BRA | +38B | +11N | =10B | +19N | +2B | +7N | 5.5 | 18.5 | 19.5 | 17.75 | 2382 | +14.6 |
| 2 | Poeta, Caio Medeiros | 2164 | BRA | +15N | +16B | +3N | +5B | −1N | +10B | 5.0 | 20.5 | 23.5 | 18.00 | 2244 | +12.2 |
| 3 | Pimenta, Heitor Castelar Britto | 1988 | BRA | +28B | +12N | −2B | =4N | +18B | +13N | 4.5 | 19.0 | 21.0 | 13.75 | 2055 | +27.2 |
| 4 | Saito, Vinicius | 2067 | BRA | +21N | −5B | +23N | =3B | +25N | +9B | 4.5 | 17.5 | 20.0 | 13.75 | 2055 | +0.6 |
| 5 | Mantelato, Davi Natali | 1905 | BRA | +34B | +4N | +8B | −2N | −7B | +18N | 4.0 | 20.0 | 21.0 | 12.00 | 2091 | +48.8 |
| 6 | El Zwei, Aiman Mohamed | 2050 | LBA | −12B | +27N | +15B | +11N | −10B | +22N | 4.0 | 16.0 | 18.0 | 11.00 | 1936 | -13.2 |
| 7 | Norte, Gabriel Rocha Das Neves | 2032 | BRA | +32N | +39B | −9N | +35B | +5N | −1B | 4.0 | 16.0 | 17.0 | 7.50 | 1967 | -5.4 |
| 8 | Rodrigues, Leonardo De Miranda | 2100 | BRA | =18B | +29N | −5N | +21B | =14N | +15B | 4.0 | 15.5 | 17.5 | 10.50 | 1940 | -19.4 |
| 9 | Povia, Pedro Cezar Vezneyan | 1766 | BRA | +40B | +42N | +7B | −10N | +19B | −4N | 4.0 | 15.0 | 15.0 | 7.00 | 2094 | +41.2 |
| 10 | De Paula, Luan Araujo | 1974 | BRA | F | +37B | =1N | +9B | +6N | −2N | 3.5 | 19.5 | 19.5 | 11.75 | 2148 | +18.0 |
| 11 | Silva, Davi Maia | 1890 | BRA | +24N | −1B | +20N | −6B | =22B | +26N | 3.5 | 17.0 | 19.0 | 8.25 | 1887 | -0.8 |
| 12 | De Araujo Junior, Antonio | 1670 | BRA | +6N | −3B | −16N | +34B | =33N | +29B | 3.5 | 15.0 | 16.0 | 7.75 | 1941 | +64.0 |
| 13 | Kavakami, Guilherme Kiyotoshi | 1948 | BRA | =17N | =20B | =31N | +32B | +23N | −3B | 3.5 | 14.0 | 15.5 | 7.50 | 1883 | -6.4 |
| 14 | Lacerda, Vinicius | 1933 | BRA | F | +18N | −25B | +26N | =8B | +16N | 3.5 | 14.0 | 14.0 | 9.50 | 2004 | +10.0 |
| 15 | Nunes, Rafael Klanfer | 1756 | BRA | −2B | +34N | −6N | +24B | +37B | −8N | 3.0 | 16.5 | 17.5 | 4.50 | 1302 | -7.0 |
| 16 | Avgoustopoulos, Christian | 1963 | BRA | +27B | −2N | +12B | F | +35N | −14B | 3.0 | 15.0 | 15.0 | 6.50 | 1857 | -9.0 |
| 17 | Campos,Miguel Mendonca | 0 | BRA | =13B | −38N | −18B | =36N | +34B | +37N | 3.0 | 9.0 | 10.0 | 4.25 | 1540 | 0.0 |
| 18 | Fernandes, Beatriz | 1733 | BRA | =8N | −14B | +17N | +20B | −3N | −5B | 2.5 | 19.0 | 21.5 | 7.50 | 1747 | -1.6 |
| 19 | Silveira Ramos, Joao P Laurenti | 1994 | BRA | =20N | F | +22B | −1B | −9N | +21N | 2.5 | 17.0 | 19.0 | 6.25 | 1844 | -34.4 |
| 20 | Akamine, Isabelle Namie Nishimori | 1551 | BRA | =19B | =13N | −11B | −18N | +36B | =24N | 2.5 | 14.5 | 15.5 | 5.25 | 1688 | +18.4 |
| 21 | Koga, Rafael Fernandes | 1703 | BRA | −4B | =36N | +40B | −8N | +30N | −19B | 2.5 | 14.0 | 14.5 | 3.00 | 1254 | -13.2 |
| 22 | De Menezes, Ricardo Fagner Dias | 1925 | BRA | F | +30B | −19N | +31B | =11N | −6B | 2.5 | 13.5 | 13.5 | 5.25 | 1705 | -15.6 |
| 23 | Desideri, Ricardo Maruchi | 2007 | BRA | +35B | =25N | −4B | +29N | −13B | F | 2.5 | 13.5 | 13.5 | 4.25 | 1856 | -17.6 |
| 24 | Lorenzetti, Ruan Felipe | 0 | BRA | −11B | −35N | +27B | −15N | +28B | =20B | 2.5 | 13.0 | 14.0 | 5.25 | 1562 | 0.0 |
| 25 | Dias, Joao Batista | 1803 | BRA | +31N | =23B | +14N | F | −4B | F | 2.5 | 12.0 | 12.0 | 6.25 | 2002 | +15.2 |
| 26 | Nobre, Jose Adalberto Barbosa | 1674 | BRA | F | F | +30N | −14B | +31N | −11B | 2.0 | 13.0 | 13.0 | 3.50 | 1112 | -8.0 |
| 27 | Akamine, Giullia Hikari Nishimori | 1424 | BRA | −16N | −6B | −24N | −28N | +40B | +36N | 2.0 | 12.5 | 13.0 | 1.50 | 916 | -22.4 |
| 28 | Bernardes, Andre Amancio | 1498 | BRA | −3N | −31B | −34N | +27B | −24N | +40B | 2.0 | 11.5 | 12.0 | 2.50 | 1662 | +12.8 |
| 29 | Moreira, Paulo Vinicius Macedo | 1856 | BRA | F | −8B | +41N | −23B | +32N | −12N | 2.0 | 11.5 | 11.5 | 1.50 | 1702 | -19.0 |
| 30 | Afonso, Jose da Silva | 0 | ENG | F | −22N | −26B | +40N | −21B | +31B | 2.0 | 9.0 | 9.0 | 2.00 | 967 | 0.0 |
| 31 | Colombini, Renan Piccolo | 0 | BRA | −25B | +28N | =13B | −22N | −26B | −30N | 1.5 | 12.5 | 14.5 | 3.75 | 1621 | 0.0 |
| 32 | Desideri, Enzo Piuchi | 1604 | BRA | −7B | =40N | +36B | −13N | −29B | F | 1.5 | 11.0 | 11.0 | 1.25 | 1136 | -15.6 |
| 33 | Bastos, Danillo Alves | 1848 | BRA | F | F | +37N | F | =12B | F | 1.5 | 4.5 | 4.5 | 2.75 | 1670 | -4.6 |
| 34 | Jomaa,Victor Rafael | 0 | BRA | −5N | −15B | +28B | −12N | −17N | F | 1.0 | 15.5 | 15.5 | 2.00 | 1515 | 0.0 |
| 35 | Maset, Lis Yumi Yoshida | 1592 | BRA | −23N | +24B | F | −7N | −16B | F | 1.0 | 13.0 | 13.0 | 2.50 | 1183 | -10.4 |
| 36 | Klimke, Oscar | 0 | BRA | −39N | =21B | −32N | =17B | −20N | −27B | 1.0 | 11.5 | 12.5 | 2.75 | 1267 | 0.0 |
| 37 | Santana, Paulo Batista | 0 | BRA | F | −10N | −33B | +41B | −15N | −17B | 1.0 | 11.0 | 11.0 | 0.00 | 1575 | 0.0 |
| 38 | Dos Santos, Rafaela Alves | 1757 | BRA | −1N | +17B | F | F | F | F | 1.0 | 8.5 | 8.5 | 3.00 | 1357 | -1.6 |
| 39 | Koga, Erick Akira | 1880 | BRA | +36B | −7N | F | F | F | F | 1.0 | 6.0 | 6.0 | 1.00 | 1232 | -12.0 |
| 40 | Santana, Anne Sofia | 0 | BRA | −9N | =32B | −21N | −30B | −27N | −28N | 0.5 | 12.5 | 14.0 | 0.75 | 1233 | 0.0 |
| 41 | Garcia, Cesar Rodrigues | 1491 | BRA | F | F | −29B | −37N | F | F | 0.0 | 6.5 | 6.5 | 0.00 | 1056 | -4.0 |
| 42 | Dos Santos, Lucas Aparecido | 2042 | BRA | F | −9B | F | F | F | F | 0.0 | 4.0 | 4.0 | 0.00 | 967 | -16.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1De Araujo Junior, AntonioBRA+64.03.5 pts · #17
- 2Mantelato, Davi NataliBRA+48.84.0 pts · #9
- 3Povia, Pedro Cezar VezneyanBRA+41.24.0 pts · #11
Top rating losers
- 1Silveira Ramos, Joao P LaurentiBRA-34.42.5 pts · #14
- 2Akamine, Giullia Hikari NishimoriBRA-22.42.0 pts · #34
- 3Rodrigues, Leonardo De MirandaBRA-19.44.0 pts · #7
Biggest upsets
- R1+380 Elo gap
- R2+276 Elo gap
- R3+266 Elo gap