Primer IRT Sub-1800 CIrculo de Ajedrez RIo Tercero 2026
Open SwissStandard
31 players participated in this 5-round tournament, held on 31 Jan 2026 in Rio Tercero - Cordoba, Argentina. Top 10 Elo average was 1729, and top seed was Daniel San Martin (🇦🇷 ARG, 1785).
Maximiliano Paz (🇦🇷 ARG, 1682) won with 4.5/5, ahead of Daniel San Martin (4.0) and Luciano Alzugaray (4.0). Paz won solo starting round 4.
Location
🇦🇷Rio Tercero - Cordoba, Argentina
Dates
31 Jan 2026
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇦🇷Argentina×30
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsMaximiliano Paz led from R4; +0.5-point edge over the runner-up.
Co-leaders
13
5
2
1
1
R4–R5 · LEAD HELD
Maximiliano Paz held the sole lead from R4 through R5 without losing it.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Maximiliano Paz drew with Daniel San Martin (White).
R1–R4 · WIN STREAK
Maximiliano Paz won 4 in a row (R1–R4).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Maximiliano Paz | * | ½ | — | 1 |
| 2Daniel San Martin | ½ | * | ½ | — |
| 3Luciano Alzugaray | — | ½ | * | — |
| 4Matias Escobar | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Paz, Maximiliano | 1682 | ARG | +26N | +20B | +11N | +4N | =2B | 4.5 | 13.0 | 14.5 | 12.50 | 2082 | +74.8 |
| 2 | San Martin, Daniel | 1785 | ARG | +18N | +21B | =3N | +6B | =1N | 4.0 | 14.5 | 16.5 | 12.25 | 1880 | +11.0 |
| 3 | Alzugaray, Luciano | 1691 | ARG | +8B | +7N | =2B | +16N | =5B | 4.0 | 13.5 | 16.0 | 12.25 | 1815 | +10.0 |
| 4 | Escobar, Matias | 1699 | ARG | +9N | +15B | +10N | −1B | +8N | 4.0 | 13.5 | 16.0 | 11.50 | 1800 | +8.2 |
| 5 | Lopez, Hector | 1768 | ARG | =12N | +28B | =13N | +9B | =3N | 3.5 | 12.5 | 13.5 | 8.75 | 1576 | -8.4 |
| 6 | Longhi, Diego | 1685 | ARG | =13B | +30N | +14B | −2N | +7B | 3.5 | 12.0 | 12.0 | 6.75 | 1793 | +8.6 |
| 7 | Gurmende, Lucas | 0 | ARG | +23N | −3B | +21N | +10B | −6N | 3.0 | 12.5 | 14.5 | 7.00 | 1709 | 0.0 |
| 8 | Ceballos, Gonzalo | 0 | ARG | −3N | +23B | +20N | +13B | −4B | 3.0 | 12.5 | 14.5 | 6.50 | 1709 | 0.0 |
| 9 | Alonso, Jorge | 0 | ARG | −4B | +17N | +19B | −5N | +26B | 3.0 | 12.5 | 14.0 | 6.50 | 1588 | 0.0 |
| 10 | Ambroa, Francisco Jose | 1785 | ARG | +16B | +19N | −4B | −7N | +14B | 3.0 | 12.0 | 14.5 | 7.50 | 1824 | +4.0 |
| 11 | Cagnolatti, Valentino | 1729 | ARG | +27B | =14N | −1B | =20N | +22B | 3.0 | 11.0 | 12.5 | 5.75 | 1623 | -20.8 |
| 12 | Casado, Maximo | 1463 | ARG | =5B | −13N | +27B | +22N | =25B | 3.0 | 10.0 | 11.5 | 6.25 | 1740 | +42.4 |
| 13 | Defilippi, Jorge | 0 | ARG | =6N | +12B | =5B | −8N | =19B | 2.5 | 13.0 | 15.5 | 7.75 | 1667 | 0.0 |
| 14 | Posse, Juan Jose | 1602 | ARG | +24N | =11B | −6N | +26B | −10N | 2.5 | 11.5 | 13.0 | 5.00 | 1460 | -19.2 |
| 15 | Benitez, Geronimo | 1561 | ARG | +17B | −4N | −22B | +29N | =16B | 2.5 | 11.0 | 11.0 | 3.75 | 1424 | -14.4 |
| 16 | Vesco, Armando | 1534 | ARG | −10N | +29B | +28N | −3B | =15N | 2.5 | 10.5 | 10.5 | 2.25 | 1406 | -17.6 |
| 17 | Pereyra, Emanuel | 0 | ARG | −15N | −9B | +23N | +21B | =18N | 2.5 | 10.0 | 12.0 | 5.25 | 1616 | 0.0 |
| 18 | Reyneri, Gaston | 1533 | ARG | −2B | −22N | +30B | +27N | =17B | 2.5 | 10.0 | 10.0 | 2.75 | 1738 | +31.6 |
| 19 | Tonetti, Pablo Emilio | 1689 | ARG | +29N | −10B | −9N | +28B | =13N | 2.5 | 9.5 | 9.5 | 2.25 | 984 | -14.8 |
| 20 | Ferrer, Raul Enrique | 1772 | ARG | +31B | −1N | −8B | =11B | =24N | 2.0 | 12.5 | 12.5 | 2.50 | 1634 | -20.8 |
| 21 | Vilchez, Ivan | 1614 | ARG | +22B | −2N | −7B | −17N | +29B | 2.0 | 11.5 | 11.5 | 2.00 | 985 | -5.4 |
| 22 | Huechuqueo, Guillermo | 0 | ARG | −21N | +18B | +15N | −12B | −11N | 2.0 | 11.0 | 13.0 | 5.00 | 1508 | 0.0 |
| 23 | Cabrera, Juan Cruz | 1681 | ARG | −7B | −8N | −17B | +30N | +31N | 2.0 | 8.5 | 8.5 | 0.00 | 2355 | +27.2 |
| 24 | Martin, Thiago Nicolas | 0 | ARG | −14B | =27N | +31B | −25N | =20B | 2.0 | 8.0 | 8.0 | 1.75 | 1520 | 0.0 |
| 25 | Tobares, Maximiliano Andres | 1655 | ARG | F | F | =26N | +24B | =12N | 2.0 | 6.5 | 6.5 | 4.25 | 1462 | -10.0 |
| 26 | Drago Grassino, Valentino | 0 | ARG | −1B | +31N | =25B | −14N | −9N | 1.5 | 12.0 | 12.0 | 1.00 | 1521 | 0.0 |
| 27 | Torres, Claudio | 1439 | ARG | −11N | =24B | −12N | −18B | +28N | 1.5 | 10.5 | 11.5 | 2.00 | 775 | -40.0 |
| 28 | Hernando, Bautista | 0 | ARG | +30B | −5N | −16B | −19N | −27B | 1.0 | 10.0 | 10.0 | 0.00 | 1366 | 0.0 |
| 29 | FIDE 20077440 | 0 | — | −19B | −16N | F | −15B | −21N | 0.0 | 9.5 | 9.5 | 0.00 | 800 | 0.0 |
| 30 | Chavero, Jorge Horacio | 1617 | ARG | −28N | −6B | −18N | −23B | F | 0.0 | 9.0 | 9.0 | 0.00 | 831 | -57.2 |
| 31 | Rotelli, Laureano | 1494 | ARG | −20N | −26B | −24N | F | −23B | 0.0 | 7.5 | 7.5 | 0.00 | 923 | -17.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Paz, MaximilianoARG+74.84.5 pts · #2
- 2Casado, MaximoARG+42.43.0 pts · #14
- 3Reyneri, GastonARG+31.62.5 pts · #11
Top rating losers
- 1Chavero, Jorge HoracioARG-57.20.0 pts · #31
- 2Torres, ClaudioARG-40.01.5 pts · #29
- 3Cagnolatti, ValentinoARG-20.83.0 pts · #8