GP Concepcion 2026
Open SwissStandard
47 players participated in this 7-round tournament, held from 22 May 2026 to 24 May 2026 in Concepcion, Paraguay. 3 titled players from 2 federations. Top 10 Elo average was 1886, and top seed was Juan Sebastian Melian (🇵🇾 PAR, IM, 2370).
Juan Sebastian Melian (🇵🇾 PAR, IM, 2370) won with 6.5/7, ahead of Enrique Allo Collante (5.5) and Rodrigo Roman (5.5). Melian won solo starting round 5.
The biggest upset came in round 3: Christian Florenciani Echeverria (1744) beat Enrique Allo Collante (2122), a +378-point gap.
Location
🇵🇾Concepcion, Paraguay
Dates
22 May 2026 → 24 May 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Titled players · 3
IM×1
FM×1
CM×1
Federations · 2 represented
🇵🇾Paraguay×30
🇧🇷Brazil×3
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsIM Juan Sebastian Melian led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
19
10
4
2
1
1
1
R5–R7 · LEAD HELD
IM Juan Sebastian Melian never relinquished the lead after R5; final gap +1.0 over the runner-up.
R7 · HEAD-TO-HEAD · WINNER VS 2ND
IM Juan Sebastian Melian drew with Enrique Allo Collante (Black).
WIN STREAKS · 2 top finishers
IM Juan Sebastian Melian 6 wins (R1–R6)Enrique Allo Collante 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMJuan Sebastian Melian | * | ½ | 1 | 1 |
| 2Enrique Allo Collante | ½ | * | — | 1 |
| 3CMRodrigo Roman | 0 | — | * | — |
| 4FMEnzo Mathias Vinales Gonzalez | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Melian, Juan SebastianIM | 2370 | PAR | +18B | +7N | +14B | +5N | +4B | +3N | =2N | 6.5 | 30.0 | 33.5 | 30.75 | 2426 | +2.3 |
| 2 | Allo Collante, Enrique | 2122 | PAR | +17N | +9B | −12N | +6B | +14N | +4N | =1B | 5.5 | 29.0 | 33.0 | 25.75 | 2095 | +2.6 |
| 3 | Roman, RodrigoCM | 1933 | PAR | +45N | +33B | =6N | +13B | +5N | −1B | +15B | 5.5 | 27.0 | 27.0 | 18.00 | 1981 | +8.2 |
| 4 | Vinales Gonzalez, Enzo MathiasFM | 2055 | PAR | +20B | +24N | +19B | +12N | −1N | −2B | +14N | 5.0 | 27.0 | 30.0 | 18.00 | 2006 | -1.6 |
| 5 | Quinonez Pereira, Rafael | 1751 | PAR | +42N | +16B | +22N | −1B | −3B | +24N | +12N | 5.0 | 26.5 | 27.5 | 15.50 | 1907 | +45.6 |
| 6 | Sartorio Vera, Fernando Arturo | 1699 | PAR | +31B | +25N | =3B | −2N | =8B | +26N | +18B | 5.0 | 25.0 | 27.5 | 17.00 | 1807 | +12.2 |
| 7 | Dure Hetter, Alejo Daniel | 1653 | PAR | +43N | −1B | +34B | =25N | +31B | +8N | =13B | 5.0 | 23.0 | 24.0 | 14.00 | 1770 | +27.2 |
| 8 | Ruiz Espinola, Osvaldo German | 1607 | PAR | +37N | =13B | =41N | +27B | =6N | −7B | +19N | 4.5 | 22.0 | 23.0 | 13.00 | 1746 | +38.0 |
| 9 | Gamarra Rodi, Lucas Ramon | 1633 | PAR | +44B | −2N | =18B | −31N | +36N | +16B | +33N | 4.5 | 20.0 | 21.0 | 11.25 | 1768 | +23.6 |
| 10 | Pena Gonzalez, Fred Nahuel | 1511 | PAR | +32B | −19N | −26B | +28N | =38B | +21N | +24B | 4.5 | 18.5 | 20.0 | 12.75 | 1742 | +37.2 |
| 11 | Dominguez Echague, Anibal Valentin | 1594 | PAR | −29B | F | +37N | +42N | =20B | +31N | +32B | 4.5 | 14.0 | 15.0 | 9.25 | 1427 | -8.8 |
| 12 | Florenciani Echeverria, Christian | 1744 | PAR | +39B | +21N | +2B | −4B | +19N | −13N | −5B | 4.0 | 26.5 | 28.0 | 14.00 | 1825 | +20.8 |
| 13 | Acevedo Barreto, Ezequiel | 1791 | PAR | F | =8N | +15B | −3N | +21B | +12B | =7N | 4.0 | 26.5 | 26.5 | 16.25 | 1799 | +4.0 |
| 14 | Balbuena Escobar, Milciades de Jesus | 1700 | PAR | +28N | +27B | −1N | +33B | −2B | +41N | −4B | 4.0 | 25.5 | 26.5 | 9.50 | 1803 | +7.2 |
| 15 | Gonzalez Gauto, Victor | 1568 | PAR | F | +36B | −13N | +17B | +22N | +23B | −3N | 4.0 | 22.5 | 22.5 | 13.00 | 1775 | +26.0 |
| 16 | Roeder, Inacio Clacier | 1567 | BRA | +47B | −5N | =31B | +18N | =24B | −9N | +41B | 4.0 | 19.5 | 19.5 | 7.25 | 1540 | -7.2 |
| 17 | Arias Pereira, Paul Benjamin | 1502 | PAR | −2B | +46N | =24B | −15N | +37B | =25N | +34B | 4.0 | 19.5 | 19.5 | 7.00 | 1554 | +8.8 |
| 18 | Benitez Ayala, Derlis Saul | 1503 | PAR | −1N | +43B | =9N | −16B | +39N | +22B | −6N | 3.5 | 25.0 | 26.0 | 8.25 | 1547 | +6.8 |
| 19 | Ruiz Espinola, Larissa Aleli | 1691 | PAR | +30N | +10B | −4N | +41B | −12B | =32N | −8B | 3.5 | 23.5 | 24.5 | 9.75 | 1536 | -35.6 |
| 20 | Gonzalez Cordone, Enrique Daniel | 1427 | PAR | −4N | +35B | −23N | +29B | =11N | −27B | +39N | 3.5 | 21.5 | 23.0 | 9.25 | 1320 | -18.8 |
| 21 | Roeder, Guilherme H Oliveira | 1539 | BRA | +40N | −12B | +29N | =22B | −13N | −10B | +36N | 3.5 | 21.0 | 22.5 | 8.25 | 1359 | -31.6 |
| 22 | Pena Amaral, Gustavo Ariel | 1676 | PAR | +46B | +38N | −5B | =21N | −15B | −18N | +31B | 3.5 | 20.0 | 20.0 | 5.75 | 1268 | -78.4 |
| 23 | Assan, Nasser Charif | 1611 | BRA | =41B | =34N | +20B | =26N | +25B | −15N | F | 3.5 | 17.0 | 17.0 | 9.75 | 1603 | -2.0 |
| 24 | Franco Gonzalez, Paul | 1622 | PAR | +35N | −4B | =17N | +36B | =16N | −5B | −10N | 3.0 | 25.0 | 27.0 | 8.50 | 1431 | -26.0 |
| 25 | Quevedo Lezcano, German Nicolas | 1531 | PAR | F | −6B | +32N | =7B | −23N | =17B | +26N | 3.0 | 23.0 | 23.0 | 10.00 | 1423 | -21.6 |
| 26 | Sanchez Mora, Alexander Gael | 0 | PAR | −27N | +42B | +10N | =23B | =33N | −6B | −25B | 3.0 | 21.5 | 22.5 | 8.50 | 1454 | 0.0 |
| 27 | del Puerto Moreno, Juan Jose | 1534 | PAR | +26B | −14N | +38B | −8N | F | +20N | −29B | 3.0 | 19.5 | 20.5 | 8.00 | 1453 | -6.6 |
| 28 | FIDE 3723860 | 0 | — | −14B | F | +35N | −10B | +42N | −29N | +38B | 3.0 | 18.0 | 19.0 | 5.00 | 806 | 0.0 |
| 29 | FIDE 3715728 | 0 | — | +11N | F | −21B | −20N | F | +28B | +27N | 3.0 | 17.5 | 17.5 | 10.50 | 1524 | 0.0 |
| 30 | Calonga Arias, Gabriel | 0 | PAR | −19B | F | F | F | +43N | +42B | +44N | 3.0 | 8.0 | 8.0 | 3.00 | 891 | 0.0 |
| 31 | Bonzi Villalba, Gustavo David | 0 | PAR | −6N | +40B | =16N | +9B | −7N | −11B | −22N | 2.5 | 26.5 | 28.0 | 8.00 | 1444 | 0.0 |
| 32 | Vazquez Alfonso, Richard H. | 0 | PAR | −10N | F | −25B | +45N | +34B | =19B | −11N | 2.5 | 21.0 | 21.0 | 4.25 | 1418 | 0.0 |
| 33 | Gonzalez, Domingo Faustino | 1588 | PAR | F | −3N | +45B | −14N | =26B | +38N | −9B | 2.5 | 18.5 | 18.5 | 3.00 | 955 | -36.0 |
| 34 | Alvarez Duarte, Juan Jose | 1507 | PAR | F | =23B | −7N | +46B | −32N | +44B | −17N | 2.5 | 16.0 | 16.0 | 2.75 | 1316 | -26.8 |
| 35 | FIDE 3726290 | 0 | — | −24B | −20N | −28B | −44N | +40B | =43N | +37B | 2.5 | 13.5 | 14.5 | 3.50 | 725 | 0.0 |
| 36 | FIDE 3719464 | 0 | — | F | −15N | +39B | −24N | −9B | +37N | −21B | 2.0 | 18.0 | 18.0 | 3.00 | 791 | 0.0 |
| 37 | FIDE 3715701 | 0 | — | −8B | =39N | −11B | +40N | −17N | −36B | −35N | 1.5 | 19.0 | 20.5 | 2.25 | 768 | 0.0 |
| 38 | FIDE 3728781 | 0 | — | F | −22B | −27N | +43B | =10N | −33B | −28N | 1.5 | 17.5 | 17.5 | 3.25 | 1255 | 0.0 |
| 39 | FIDE 3726975 | 0 | — | −12N | =37B | −36N | F | −18B | +46N | −20B | 1.5 | 17.5 | 17.5 | 0.75 | 758 | 0.0 |
| 40 | FIDE 3728820 | 0 | — | −21B | −31N | =43N | −37B | −35N | F | +46B | 1.5 | 11.0 | 11.0 | 0.50 | 739 | 0.0 |
| 41 | Ibarra Serviano, Josias Samuel | 0 | PAR | =23N | F | =8B | −19N | F | −14B | −16N | 1.0 | 24.0 | 27.0 | 4.00 | 1395 | 0.0 |
| 42 | FIDE 3726266 | 0 | — | −5B | −26N | +44N | −11B | −28B | −30N | F | 1.0 | 19.5 | 19.5 | 1.00 | 873 | 0.0 |
| 43 | FIDE 3728307 | 0 | — | −7B | −18N | =40B | −38N | −30B | =35B | F | 1.0 | 17.0 | 17.0 | 2.00 | 778 | 0.0 |
| 44 | FIDE 3728811 | 0 | — | −9N | F | −42B | +35B | F | −34N | −30B | 1.0 | 13.5 | 13.5 | 2.50 | 770 | 0.0 |
| 45 | FIDE 3715531 | 0 | — | −3B | F | −33N | −32B | F | F | F | 0.0 | 14.5 | 14.5 | 0.00 | 961 | 0.0 |
| 46 | FIDE 3715647 | 0 | — | −22N | −17B | F | −34N | F | −39B | −40N | 0.0 | 14.0 | 14.0 | 0.00 | 762 | 0.0 |
| 47 | FIDE 3715779 | 0 | — | −16N | F | F | F | F | F | F | 0.0 | 4.0 | 4.0 | 0.00 | 767 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Quinonez Pereira, RafaelPAR+45.65.0 pts · #5
- 2Ruiz Espinola, Osvaldo GermanPAR+38.04.5 pts · #9
- 3Pena Gonzalez, Fred NahuelPAR+37.24.5 pts · #15
Top rating losers
- 1Pena Amaral, Gustavo ArielPAR-78.43.5 pts · #32
- 2Gonzalez, Domingo FaustinoPAR-36.02.5 pts · #47
- 3Ruiz Espinola, Larissa AleliPAR-35.63.5 pts · #24
Biggest upsets
- R3+378 Elo gap
- R6+173 Elo gap
- R7+111 Elo gap