XII COPA ESCOLAR DEL MERCOSUR 2025
Open SwissStandard
49 players participated in this 7-round tournament, held from 29 Nov 2025 to 30 Nov 2025 in Ciudad del Este, Paraguay. 2 federations represented. Top 10 Elo average was 1596, and top seed was Alejandro Vazquez Ferreira (🇵🇾 PAR, 1743).
Alejandro Vazquez Ferreira (🇵🇾 PAR, 1743) won with 6.5/7, ahead of Ana Paula Ramirez Bentos (5.5) and Natalia De Oliveira Biazon (5.0). Vazquez Ferreira won solo starting round 4.
The biggest upset came in round 4: Mateo Josias Galeano Rolin (1472) beat Elias Emanuel Bernal Gonzalez (1656), a +184-point gap.
Location
🇵🇾Ciudad del Este, Paraguay
Dates
29 Nov 2025 → 30 Nov 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 7 rounds
Federations · 2 represented
🇵🇾Paraguay×27
🇧🇷Brazil×2
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsAlejandro Vazquez Ferreira led from R4; +1.0-point edge over the runner-up.
Co-leaders
20
7
3
1
1
1
1
R4–R7 · LEAD HELD
Alejandro Vazquez Ferreira never relinquished the lead after R4; final gap +1.0 over the runner-up.
WIN STREAKS · 2 top finishers
Alejandro Vazquez Ferreira 5 wins (R1–R5)Ana Paula Ramirez Bentos 3 wins (R5–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Alejandro Vazquez Ferreira | * | — | — | 1 |
| 2Ana Paula Ramirez Bentos | — | * | — | — |
| 3Darah Monserrat Ortigoza Baez | — | — | * | — |
| 4Natalia De Oliveira Biazon | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Vazquez Ferreira, Alejandro | 1743 | PAR | +15N | +25B | +16N | +3B | +4N | =9B | +12B | 6.5 | 27.0 | 30.0 | 27.75 | 1914 | +17.4 |
| 2 | Ramirez Bentos, Ana Paula | 1594 | PAR | +20N | =8B | +38N | −4B | +31N | +14B | +10N | 5.5 | 25.5 | 27.5 | 20.00 | 1592 | +0.4 |
| 3 | Biazon, Natalia De Oliveira | 1615 | BRA | +46B | +6N | +13B | −1N | =11B | +17N | =8B | 5.0 | 29.0 | 29.0 | 17.75 | 1663 | +13.6 |
| 4 | Leith Acosta, Marcelo Alejandro | 1590 | PAR | +28B | =35N | +5B | +2N | −1B | =11N | +15B | 5.0 | 28.5 | 30.5 | 20.75 | 1557 | -36.8 |
| 5 | Ortigoza Baez, Darah Monserrat | 0 | PAR | +27N | +7B | −4N | +16B | −12B | +32N | +13B | 5.0 | 25.5 | 28.0 | 18.50 | 1583 | 0.0 |
| 6 | Brozon Arevalos, Agata Nair | 1415 | PAR | +33N | −3B | +21N | +34B | +13B | −12N | +26B | 5.0 | 22.0 | 24.0 | 14.50 | 1506 | +19.6 |
| 7 | Ferreira Quinonez, Willian David | 1512 | PAR | +30B | −5N | +19B | +33N | −22B | +29N | +25B | 5.0 | 21.5 | 23.5 | 15.00 | 827 | -13.6 |
| 8 | Bernal Gonzalez, Elias Emanuel | 1656 | PAR | +?B | =2N | +?B | −9N | +26B | +24N | =3N | 5.0 | 21.0 | 21.0 | 11.25 | 1588 | -16.4 |
| 9 | Galeano Rolin, Mateo Josias | 1472 | PAR | F | +34B | +14N | +8B | +17N | =1N | −22B | 4.5 | 25.0 | 25.0 | 18.25 | 1610 | +23.2 |
| 10 | Ricardo Benitez, Manuel Alejandro | 1413 | PAR | +18N | =14B | +37N | =24B | +32B | =22N | −2B | 4.5 | 22.5 | 24.5 | 13.75 | 1572 | +28.8 |
| 11 | Biazon, Heloise De Oliveira | 1450 | BRA | +42N | +39B | +24N | −17B | =3N | =4B | =23N | 4.5 | 22.5 | 23.5 | 12.75 | 1583 | +26.8 |
| 12 | Acosta Ibalo, Brahian Gabriel | 1500 | PAR | F | +47N | =35B | +23B | +5N | +6B | −1N | 4.5 | 22.0 | 22.0 | 14.50 | 1534 | +6.8 |
| 13 | Gimenez Toledo, Gustavo Jeremias | 1503 | PAR | +44N | +21B | −3N | +27B | −6N | +36B | −5N | 4.0 | 23.5 | 24.5 | 9.50 | 715 | -38.8 |
| 14 | Reyes Velazquez, Santiago E | 1458 | PAR | +?B | =10N | −9B | +?N | +16B | −2N | =24B | 4.0 | 21.5 | 21.5 | 7.75 | 1412 | -13.2 |
| 15 | Catella Riveros, Paolo Massimiliano | 1513 | PAR | −1B | +49N | +36B | −22N | +21B | +?N | −4N | 4.0 | 20.5 | 20.5 | 5.50 | 902 | -31.2 |
| 16 | Vazquez Fleita, Pilar Alejandra | 1413 | PAR | +48B | +45N | −1B | −5N | −14N | +33B | +27N | 4.0 | 20.5 | 20.5 | 5.00 | 932 | -6.0 |
| 17 | Olmedo Duartez, Matias Gael | 1483 | PAR | F | +41N | +43B | +11N | −9B | −3B | +37N | 4.0 | 18.0 | 18.0 | 8.50 | 1381 | -14.4 |
| 18 | Gimenez Toledo, Barbara Antonella | 0 | PAR | −10B | +28N | −32B | +45N | +?B | −26N | +29B | 4.0 | 16.0 | 16.0 | 6.00 | 677 | 0.0 |
| 19 | FIDE 3726843 | 0 | — | +?N | −24B | −7N | +?B | −23N | +?N | +?B | 4.0 | 11.5 | 11.5 | 0.00 | 706 | 0.0 |
| 20 | Duarte Sandoval, Maximiliano Nicolas | 0 | PAR | −2B | +?N | +45B | −32N | −29B | +?N | +?B | 4.0 | 11.0 | 11.0 | 0.00 | 780 | 0.0 |
| 21 | FIDE 3724700 | 0 | — | +41B | −13N | −6B | +28N | −15N | +30B | =32B | 3.5 | 21.5 | 22.5 | 8.25 | 1223 | 0.0 |
| 22 | Velazquez Ruiz, Liam Fabian | 1731 | PAR | F | F | F | +15B | +7N | =10B | +9N | 3.5 | 19.0 | 19.0 | 15.75 | 1741 | +14.4 |
| 23 | Samudio Santacruz, Stephanie Sophia | 0 | PAR | F | F | +40B | −12N | +19B | +31N | =11B | 3.5 | 18.0 | 18.0 | 11.25 | 1275 | 0.0 |
| 24 | Ricardo Benitez, Mateo Andres | 1487 | PAR | +40B | +19N | −11B | =10N | F | −8B | =14N | 3.0 | 24.0 | 26.0 | 10.25 | 1251 | -26.4 |
| 25 | Lerea Ozuna, Mathias David | 0 | PAR | +?B | −1N | −26B | +?N | F | +27B | −7N | 3.0 | 19.5 | 19.5 | 3.00 | 755 | 0.0 |
| 26 | Samudio Santacruz, Sabrina Sahari | 1405 | PAR | F | F | +25N | +35B | −8N | +18B | −6N | 3.0 | 19.0 | 19.0 | 9.00 | 1436 | +1.6 |
| 27 | FIDE 3724824 | 0 | — | −5B | +48N | +?B | −13N | +30B | −25N | −16B | 3.0 | 19.0 | 19.0 | 3.00 | 671 | 0.0 |
| 28 | FIDE 3714063 | 0 | — | −4N | −18B | +?N | −21B | +?N | +39B | −36N | 3.0 | 16.5 | 16.5 | 2.00 | 946 | 0.0 |
| 29 | FIDE 3726851 | 0 | — | F | F | +46B | +41N | +20N | −7B | −18N | 3.0 | 14.0 | 14.0 | 5.00 | 712 | 0.0 |
| 30 | FIDE 3726797 | 0 | — | −7N | +?B | −34N | +?B | −27N | −21N | +?B | 3.0 | 13.5 | 13.5 | 0.00 | 712 | 0.0 |
| 31 | Berutti Ortiz, Cecilio Ariel | 0 | PAR | −34N | F | +47B | +?N | −2B | −23B | +?N | 3.0 | 11.0 | 11.0 | 0.00 | 790 | 0.0 |
| 32 | Galeano Recalde, Jonathan Ezequiel | 1501 | PAR | F | F | +18N | +20B | −10N | −5B | =21N | 2.5 | 21.0 | 21.0 | 9.75 | 638 | -27.2 |
| 33 | FIDE 3721108 | 0 | — | −6B | +46N | F | −7B | −36N | −16N | +?B | 2.0 | 16.0 | 16.0 | 0.00 | 655 | 0.0 |
| 34 | Schmiedel Pastrana, Gianluca | 0 | PAR | +31B | −9N | +30B | −6N | F | F | F | 2.0 | 15.5 | 15.5 | 6.00 | 635 | 0.0 |
| 35 | Cardenas Duarte, Josias Fabricio | 1492 | PAR | +49B | =4B | =12N | −26N | F | F | F | 2.0 | 15.5 | 15.5 | 4.75 | 1426 | -6.8 |
| 36 | Samudio Santacruz, Samira Susana | 0 | PAR | F | F | −15N | F | +33B | −13N | +28B | 2.0 | 14.0 | 14.0 | 5.00 | 703 | 0.0 |
| 37 | FIDE 3717550 | 0 | — | F | +?N | −10B | −38B | F | +?N | −17B | 2.0 | 11.5 | 11.5 | 0.00 | 655 | 0.0 |
| 38 | FIDE 3726754 | 0 | — | F | +?N | −2B | +37N | F | F | F | 2.0 | 10.5 | 10.5 | 2.00 | 790 | 0.0 |
| 39 | FIDE 3726479 | 0 | — | +?B | −11N | −?B | −40N | +?B | −28N | −?B | 2.0 | 9.5 | 9.5 | 0.00 | 650 | 0.0 |
| 40 | FIDE 3726770 | 0 | — | −24N | +?B | −23N | +39B | F | F | F | 2.0 | 8.5 | 8.5 | 2.00 | 700 | 0.0 |
| 41 | FIDE 3726690 | 0 | — | −21N | −17B | +49N | −29B | F | F | F | 1.0 | 10.5 | 10.5 | 0.00 | 671 | 0.0 |
| 42 | FIDE 3726800 | 0 | — | −11B | +?N | F | F | F | F | F | 1.0 | 10.0 | 10.0 | 0.00 | 650 | 0.0 |
| 43 | FIDE 3726746 | 0 | — | F | +?B | −17N | F | F | F | F | 1.0 | 6.0 | 6.0 | 0.00 | 671 | 0.0 |
| 44 | FIDE 3726789 | 0 | — | −13B | −?N | −?B | +?N | F | F | F | 1.0 | 4.0 | 4.0 | 0.00 | 703 | 0.0 |
| 45 | FIDE 3716538 | 0 | — | F | −16B | −20N | −18B | F | F | F | 0.0 | 12.0 | 12.0 | 0.00 | 639 | 0.0 |
| 46 | FIDE 3726738 | 0 | — | −3N | −33B | −29N | F | F | F | F | 0.0 | 10.0 | 10.0 | 0.00 | 815 | 0.0 |
| 47 | FIDE 3726762 | 0 | — | F | −12B | −31N | −?B | F | F | F | 0.0 | 7.5 | 7.5 | 0.00 | 685 | 0.0 |
| 48 | FIDE 3726819 | 0 | — | −16N | −27B | F | F | F | F | F | 0.0 | 7.0 | 7.0 | 0.00 | 639 | 0.0 |
| 49 | FIDE 3726827 | 0 | — | −35N | −15B | −41B | F | F | F | F | 0.0 | 7.0 | 7.0 | 0.00 | 656 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Ricardo Benitez, Manuel AlejandroPAR+28.84.5 pts · #7
- 2Biazon, Heloise De OliveiraBRA+26.84.5 pts · #9
- 3Galeano Rolin, Mateo JosiasPAR+23.24.5 pts · #12
Top rating losers
- 1Gimenez Toledo, Gustavo JeremiasPAR-38.84.0 pts · #22
- 2Leith Acosta, Marcelo AlejandroPAR-36.85.0 pts · #6
- 3Catella Riveros, Paolo MassimilianoPAR-31.24.0 pts · #49
Biggest upsets
- R4+184 Elo gap