43 Abierto de Playa Union
Open SwissStandard
34 players participated in this 6-round tournament, held from 06 Feb 2026 to 08 Feb 2026 in Rawson - Chubut, Argentina. Top 10 Elo average was 1960, and top seed was Maximiliano Aguinaga (🇦🇷 ARG, 2201).
Maximiliano Aguinaga (🇦🇷 ARG, 2201) won with 5.0/6, ahead of Alfonso Uzcudun (4.5) and Andres Ipuche (4.5). Aguinaga won solo starting round 4.
The biggest upset came in round 1: Eugenio Mena (1633) beat Miguel Angel Gomez (1960), a +327-point gap.
Location
🇦🇷Rawson - Chubut, Argentina
Dates
06 Feb 2026 → 08 Feb 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Federations · 1 represented
🇦🇷Argentina×32
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsMaximiliano Aguinaga led from R4; +0.5-point edge over the runner-up.
Co-leaders
11
5
2
1
1
1
R4–R6 · LEAD HELD
Maximiliano Aguinaga held the sole lead from R4 through R6 without losing it.
R6 · HEAD-TO-HEAD · WINNER VS 2ND
Maximiliano Aguinaga drew with Alfonso Uzcudun (Black).
R1–R4 · WIN STREAK
Maximiliano Aguinaga won 4 in a row (R1–R4).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Maximiliano Aguinaga | * | ½ | — | — |
| 2Alfonso Uzcudun | ½ | * | ½ | — |
| 3Andres Ipuche | — | ½ | * | — |
| 4Luis Alberto Balladares | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Aguinaga, Maximiliano | 2201 | ARG | +20B | +15N | +9B | +6N | =14B | =2N | 5.0 | 18.0 | 20.5 | 16.75 | 2169 | -1.4 |
| 2 | Uzcudun, Alfonso | 2057 | ARG | =10N | +28B | =3N | +16B | +7N | =1B | 4.5 | 20.0 | 21.5 | 15.00 | 2037 | +2.4 |
| 3 | Ipuche, Andres | 1826 | ARG | +21B | +30N | =2B | =7B | +8N | =4B | 4.5 | 19.0 | 20.0 | 13.50 | 2004 | +28.2 |
| 4 | Munoz, Mauricio | 1768 | ARG | +32B | =8N | =14B | +9N | +6B | =3N | 4.5 | 18.5 | 18.5 | 13.00 | 2042 | +36.6 |
| 5 | Balladares, Luis Alberto | 1921 | ARG | +22B | +18N | −6B | +11N | =15B | +14N | 4.5 | 16.5 | 19.0 | 13.50 | 1991 | +11.8 |
| 6 | Muruchi Machaca, Adrian Hernan | 1945 | ARG | +23N | +16B | +5N | −1B | −4N | +30B | 4.0 | 19.5 | 20.5 | 11.00 | 1943 | +3.6 |
| 7 | Laurin, Ramiro | 1942 | ARG | =24B | +12N | +13B | =3N | −2B | +15N | 4.0 | 19.0 | 21.0 | 13.25 | 1949 | +2.4 |
| 8 | Sommariva, Rene | 1923 | ARG | +17N | =4B | =11B | +30N | −3B | =12N | 3.5 | 19.0 | 20.0 | 9.75 | 1794 | -17.8 |
| 9 | De Los Santos, Jeremias | 1866 | ARG | +26N | +27B | −1N | −4B | =10N | +19B | 3.5 | 17.5 | 19.0 | 7.75 | 1832 | -6.0 |
| 10 | Loskin, Camilo | 1635 | ARG | =2B | −14N | +29B | =13N | =9B | +20N | 3.5 | 17.0 | 18.5 | 9.75 | 1857 | +65.6 |
| 11 | Romero, Joaquin | 1827 | ARG | F | +25B | =8N | −5B | +24N | +18N | 3.5 | 15.0 | 15.0 | 8.75 | 1874 | +9.0 |
| 12 | Alfonso, Felipe | 1773 | ARG | =25N | −7B | +31N | =24B | +17N | =8B | 3.5 | 14.5 | 15.5 | 7.75 | 1741 | -2.6 |
| 13 | Oldani, Homero | 1880 | ARG | F | +31B | −7N | =10B | +19N | +16B | 3.5 | 14.0 | 14.0 | 8.25 | 1934 | +17.6 |
| 14 | Orellana Fuentes, Alvaro Fernando | 1905 | ARG | F | +10B | =4N | +17B | =1N | −5B | 3.0 | 20.5 | 20.5 | 11.25 | 1896 | 0.0 |
| 15 | Quinteros, Omar | 1798 | ARG | +33N | −1B | =24N | +27B | =5N | −7B | 3.0 | 17.0 | 17.0 | 4.75 | 1781 | -3.2 |
| 16 | Sosa, Walter | 1775 | ARG | +29B | −6N | +34B | −2N | +22B | −13N | 3.0 | 16.0 | 16.0 | 4.00 | 1714 | -16.8 |
| 17 | Etchechoury, Julian Andres | 1594 | ARG | −8B | +32N | +18B | −14N | −12B | +25N | 3.0 | 15.0 | 15.0 | 5.00 | 1682 | +8.8 |
| 18 | Pistone, Mateo | 1746 | ARG | +34N | −5B | −17N | +33B | +26N | −11B | 3.0 | 13.0 | 13.0 | 2.00 | 1607 | -36.4 |
| 19 | Gomez, Miguel Angel | 1960 | ARG | −30B | +21N | =22B | +20N | −13B | −9N | 2.5 | 14.5 | 15.5 | 6.25 | 1634 | -92.8 |
| 20 | Musumeci, Ricardo | 1639 | ARG | −1N | +26B | =27N | −19B | +31N | −10B | 2.5 | 14.5 | 15.5 | 3.75 | 1665 | -0.4 |
| 21 | Bondino, Gaston | 1538 | ARG | −3N | −19B | +25N | −26B | +32N | =24B | 2.5 | 13.0 | 13.0 | 3.00 | 1522 | -5.4 |
| 22 | Bondino, Matias | 1567 | ARG | −5N | +33B | =19N | =28B | −16N | =27B | 2.5 | 13.0 | 13.0 | 2.75 | 1662 | +10.4 |
| 23 | Barrera, Ricardo | 1610 | ARG | −6B | =29N | −28N | −25B | +33N | +32B | 2.5 | 9.0 | 9.0 | 0.75 | 1447 | -23.2 |
| 24 | Regueiro, Marcelo Alejandro | 1607 | ARG | =7N | F | =15B | =12N | −11B | =21N | 2.0 | 16.5 | 16.5 | 6.50 | 1704 | +10.6 |
| 25 | Mamani, Caleb | 1421 | ARG | =12B | −11N | −21B | +23N | =27N | −17B | 2.0 | 15.0 | 16.5 | 5.00 | 1518 | +23.6 |
| 26 | Pettinari, Ricardo | 1562 | ARG | −9B | −20N | +32B | +21N | −18B | F | 2.0 | 13.0 | 13.0 | 2.50 | 1504 | -12.8 |
| 27 | Blanco, Sebastian | 1524 | ARG | F | −9N | =20B | −15N | =25B | =22N | 1.5 | 13.5 | 13.5 | 3.50 | 1509 | -8.4 |
| 28 | Czabanyi, Sergio | 1643 | ARG | F | −2N | +23B | =22N | F | F | 1.5 | 12.5 | 12.5 | 3.75 | 1740 | +5.4 |
| 29 | Castillo, Dylan | 1477 | ARG | −16N | =23B | −10N | −31B | F | +33N | 1.5 | 10.0 | 10.0 | 1.25 | 1476 | -2.4 |
| 30 | Mena, Eugenio | 1633 | ARG | +19N | −3B | F | −8B | F | −6N | 1.0 | 16.0 | 16.0 | 2.50 | 1721 | +6.4 |
| 31 | Iribarren, Imanol | 1614 | ARG | F | −13N | −12B | +29N | −20B | F | 1.0 | 11.0 | 11.0 | 1.50 | 1499 | -24.8 |
| 32 | FIDE 20030312 | 0 | — | −4N | −17B | −26N | F | −21B | −23N | 0.0 | 14.5 | 14.5 | 0.00 | 814 | 0.0 |
| 33 | Fernandez, Carlos | 1492 | ARG | −15B | −22N | F | −18N | −23B | −29B | 0.0 | 12.5 | 12.5 | 0.00 | 840 | -63.6 |
| 34 | FIDE 20077009 | 0 | — | −18B | F | −16N | F | F | F | 0.0 | 6.0 | 6.0 | 0.00 | 961 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Loskin, CamiloARG+65.63.5 pts · #9
- 2Munoz, MauricioARG+36.64.5 pts · #11
- 3Ipuche, AndresARG+28.24.5 pts · #3
Top rating losers
- 1Gomez, Miguel AngelARG-92.82.5 pts · #16
- 2Fernandez, CarlosARG-63.60.0 pts · #33
- 3Pistone, MateoARG-36.43.0 pts · #20
Biggest upsets
- R1+327 Elo gap
- R4+189 Elo gap
- R5+177 Elo gap