IV TORNEO IRT CLASICO SUB 1800 DE AJEDREZ LIGA DE MAESTROS
Open SwissStandard
16 players participated in this 5-round tournament, held on 18 Jan 2026 in Lima, Peru. Top 10 Elo average was 1633, and top seed was Victor Hugo Collado Arapa (🇵🇪 PER, 1782).
Carlos Roberto Prado Mendivil (🇵🇪 PER, 1528) won with 4.0/5, ahead of Cristian Rios Clavijo (3.5) and Astrid Thais Vera Alca (3.0). Prado Mendivil clinched sole first place in the final round.
The biggest upset came in round 1: Astrid Thais Vera Alca (1506) beat Jose Carlos Gonzales Navarro (1701), a +195-point gap.
Location
🇵🇪Lima, Peru
Dates
18 Jan 2026
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇵🇪Peru×16
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsCarlos Roberto Prado Mendivil led from R5; +0.5-point edge over the runner-up.
Co-leaders
4
2
1
1
1
R4 · LEADER CHANGE18 Jan
Cristian Rios Clavijo takes the sole lead (3.5/4).
R2–R4 · WIN STREAK
Cristian Rios Clavijo won 3 in a row (R2–R4).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Carlos Roberto Prado Mendivil | * | — | ½ | — |
| 2Cristian Rios Clavijo | — | * | ½ | — |
| 3Angela Fernanda Puma Lezama | ½ | ½ | * | 0 |
| 4Jeronimo Alanya Saccsa | — | — | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Prado Mendivil, Carlos Roberto | 1528 | PER | =5N | +12B | =4N | +9B | +3N | 4.0 | 11.5 | 13.5 | 10.50 | 1823 | +42.0 |
| 2 | Rios Clavijo, Cristian | 1733 | PER | =4N | +14B | +5N | +3B | F | 3.5 | 12.0 | 13.5 | 9.00 | 1937 | +16.6 |
| 3 | Vera Alca, Astrid Thais | 1506 | PER | +7N | +8B | +6B | −2N | −1B | 3.0 | 13.5 | 16.5 | 9.00 | 1758 | +46.0 |
| 4 | Puma Lezama, Angela Fernanda | 1515 | PER | =2B | +9N | =1B | −6N | +10B | 3.0 | 13.0 | 15.0 | 8.25 | 1705 | +45.2 |
| 5 | Collado Arapa, Victor Hugo | 1782 | PER | =1B | =10N | −2B | +15N | +11B | 3.0 | 11.5 | 12.5 | 6.00 | 1585 | -19.2 |
| 6 | Alanya Saccsa, Jeronimo | 1663 | PER | +13N | +11B | −3N | +4B | −8N | 3.0 | 11.0 | 13.0 | 7.00 | 1624 | -9.2 |
| 7 | Gonzales Navarro, Jose Carlos | 1701 | PER | −3B | +15N | +11B | +10N | F | 3.0 | 10.5 | 11.5 | 5.00 | 1651 | -3.4 |
| 8 | Jimenez Vergara, Cristhian | 1635 | PER | +15B | −3N | −10B | +12N | +6B | 3.0 | 10.0 | 11.0 | 6.00 | 1473 | -19.4 |
| 9 | Alejo Tenorio, Rivaldo Florencio | 1621 | PER | =14N | −4B | +13N | −1N | +15B | 2.5 | 10.5 | 11.5 | 3.75 | 1444 | -18.8 |
| 10 | Dergan Lobos, Ian Neyef | 1555 | PER | =12N | =5B | +8N | −7B | −4N | 2.0 | 12.0 | 14.0 | 5.50 | 1597 | +9.6 |
| 11 | Garcia Moncada, Maria Estefany Sofia | 1601 | PER | +16B | −6N | −7N | +13B | −5N | 2.0 | 11.0 | 11.5 | 2.50 | 1462 | 0.0 |
| 12 | Yucra Davila, Kamil Yahel | 0 | PER | =10B | −1N | =14N | −8B | +16N | 2.0 | 10.5 | 11.0 | 2.25 | 1398 | 0.0 |
| 13 | Madrazo Mansilla, Carlos Edmundo | 1472 | PER | −6B | +16N | −9B | −11N | +14B | 2.0 | 9.0 | 9.5 | 2.00 | 1360 | -22.4 |
| 14 | Puma Lezama, Freddy Gabriel | 0 | PER | =9B | −2N | =12B | =16B | −13N | 1.5 | 10.0 | 10.5 | 2.50 | 1332 | -22.8 |
| 15 | Enriquez Velasquez, Evans Fabricio | 0 | PER | −8N | −7B | +16N | −5B | −9N | 1.0 | 11.5 | 12.0 | 0.50 | 902 | 0.0 |
| 16 | Puma Lezama, Vasco Tomas Antonio | 0 | PER | −11N | −13B | −15B | =14N | −12B | 0.5 | 7.5 | 8.5 | 0.75 | 1197 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Vera Alca, Astrid ThaisPER+46.03.0 pts · #5
- 2Puma Lezama, Angela FernandaPER+45.23.0 pts · #2
- 3Prado Mendivil, Carlos RobertoPER+42.04.0 pts · #3
Top rating losers
- 1Puma Lezama, Freddy GabrielPER-22.81.5 pts · #14
- 2Madrazo Mansilla, Carlos EdmundoPER-22.42.0 pts · #13
- 3Jimenez Vergara, CristhianPER-19.43.0 pts · #12
Biggest upsets
- R1+195 Elo gap
- R3+157 Elo gap
- R2+129 Elo gap