Abierto Nro 1, AJEDREZ PEON LIBRE
Open SwissStandard
15 players participated in this 6-round tournament, held from 27 Mar 2026 to 29 Mar 2026 in Luis Guillon - Buenos Aires, Argentina. Top 10 Elo average was 1835, and top seed was Tomas Castro (🇦🇷 ARG, 1959).
Tomas Castro (🇦🇷 ARG, 1959) won with 4.0/6, ahead of Santiago Sebastian Sotelo (3.5) and Tiago Yeza (3.5). Castro won solo starting round 2.
The biggest upset came in round 6: Thiago Ignacio Chocala (1747) beat Tomas Castro (1959), a +212-point gap.
Location
🇦🇷Luis Guillon - Buenos Aires, Argentina
Dates
27 Mar 2026 → 29 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 6 rounds
Federations · 1 represented
🇦🇷Argentina×15
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsTomas Castro led from R2; +0.5-point edge over the runner-up.
Co-leaders
3
1
1
1
1
1
R2–R6 · LEAD HELD
Tomas Castro held the sole lead from R2 through R6 without losing it.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Tomas Castro drew with Santiago Sebastian Sotelo (Black).
R1–R3 · WIN STREAK
Tomas Castro won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Tomas Castro | * | ½ | — | 1 |
| 2Santiago Sebastian Sotelo | ½ | * | 1 | — |
| 3Mateo Nicolas Del Valle Moreyra | — | 0 | * | 0 |
| 4Tiago Yeza | 0 | — | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Castro, Tomas | 1959 | ARG | +10N | +8B | +3N | =6B | =2N | −5B | 4.0 | 15.0 | 16.5 | 9.75 | 1980 | +3.6 |
| 2 | Sotelo, Santiago Sebastian | 0 | ARG | F | =5N | +13B | +4N | =1B | =8N | 3.5 | 13.5 | 13.5 | 9.00 | 1860 | 0.0 |
| 3 | Yeza, Tiago | 1877 | ARG | F | +12N | −1B | +11N | +4B | =6N | 3.5 | 12.5 | 12.5 | 7.00 | 1911 | +4.4 |
| 4 | Del Valle Moreyra, Mateo Nicolas | 0 | ARG | =9N | +11B | +8N | −2B | −3N | +7B | 3.5 | 12.0 | 13.0 | 5.25 | 1849 | 0.0 |
| 5 | Chocala, Thiago Ignacio | 1747 | ARG | F | =2B | +7N | +14B | F | +1N | 3.5 | 10.0 | 10.0 | 8.25 | 2715 | +57.6 |
| 6 | Lo Presti, Roberto | 1949 | ARG | +15B | F | +14N | =1N | F | =3B | 3.0 | 9.5 | 9.5 | 4.25 | 2026 | +8.6 |
| 7 | Choque, Carlos | 0 | ARG | −8B | +15N | −5B | +13N | F | −4N | 2.0 | 9.5 | 9.5 | 1.00 | 1757 | 0.0 |
| 8 | Palladino, Alberto | 1864 | ARG | +7N | −1N | −4B | F | F | =2B | 1.5 | 14.0 | 14.0 | 3.75 | 1159 | -7.4 |
| 9 | Steketee, Diego | 1804 | ARG | =4B | F | F | +12N | F | F | 1.5 | 7.5 | 7.5 | 2.75 | 2383 | +4.4 |
| 10 | Romano, Guillermo | 1720 | ARG | −1B | F | −11N | +15B | F | =14N | 1.5 | 5.5 | 5.5 | 0.25 | 1720 | -1.2 |
| 11 | Rodriguez Caimmi, Facundo | 1772 | ARG | F | −4N | +10B | −3B | F | F | 1.0 | 9.5 | 9.5 | 1.50 | 1798 | +1.4 |
| 12 | Maksimow, Nicolas | 1583 | ARG | F | −3B | +15N | −9B | F | F | 1.0 | 6.5 | 6.5 | 0.00 | 1644 | +3.8 |
| 13 | Hernandez, Luis Crisanto | 1791 | ARG | F | F | −2N | −7B | F | +15N | 1.0 | 6.5 | 6.5 | 0.00 | 2427 | +5.6 |
| 14 | Capuano, Gabriel | 1870 | ARG | F | F | −6B | −5N | F | =10B | 0.5 | 8.0 | 8.0 | 0.75 | 1532 | -25.2 |
| 15 | Gonzalez, Raul | 1628 | ARG | −6N | −7B | −12B | −10N | F | −13B | 0.0 | 8.5 | 8.5 | 0.00 | 961 | -26.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Chocala, Thiago IgnacioARG+57.63.5 pts · #6
- 2Lo Presti, RobertoARG+8.63.0 pts · #2
- 3Hernandez, Luis CrisantoARG+5.61.0 pts · #11
Top rating losers
- 1Gonzalez, RaulARG-26.80.0 pts · #15
- 2Capuano, GabrielARG-25.20.5 pts · #13
- 3Palladino, AlbertoARG-7.41.5 pts · #14
Biggest upsets
- R6+212 Elo gap
- R4+123 Elo gap