5 Open IRT Clasico Sub 1800 Circulo Peruano de Ajedrez
27 players participated in this 7-round tournament, held from 14 Nov 2025 to 16 Nov 2025 in Lima, Peru. Top 10 Elo average was 1680, and top seed was Sergio Gabriel Reyes Zavaleta (🇵🇪 PER, 1797).
Percy Eduardo Gutarra Minaya (🇵🇪 PER, 1721) won with 6.0/7, ahead of Sergio Gabriel Reyes Zavaleta (5.5) and Rihanna Irina Rojas Salas (5.0). Gutarra Minaya broke clear in the final round.
The biggest upset came in round 1: Thiago Valentino Veramendi Pihue (1466) beat Leonardo Adriano Marzetti Corisapra (1751), a +285-point gap.
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How it unfolded
Top 6 · 7 roundsPercy Eduardo Gutarra Minaya led from R7; +0.5-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R7.
Percy Eduardo Gutarra Minaya held the sole lead from R7 through R7 without losing it.
Percy Eduardo Gutarra Minaya drew with Sergio Gabriel Reyes Zavaleta (Black).
Percy Eduardo Gutarra Minaya 3 wins (R1–R3)Sergio Gabriel Reyes Zavaleta 3 wins (R1–R3)Leonardo Adriano Marzetti Corisapra 4 wins (R2–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Percy Eduardo Gutarra Minaya | * | ½ | ½ | — |
| 2Sergio Gabriel Reyes Zavaleta | ½ | * | ½ | ½ |
| 3Leonardo Adriano Marzetti Corisapra | ½ | ½ | * | — |
| 4Rihanna Irina Rojas Salas | — | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Gutarra Minaya, Percy Eduardo | 1721 | PER | +14B | +21N | +7B | =2N | +5B | =4N | +8B | 6.0 | 27.0 | 29.0 | 23.75 | 1937 | +59.5 |
| 2 | Reyes Zavaleta, Sergio Gabriel | 1797 | PER | +16N | +10B | +6N | =1B | +9N | =3B | =4N | 5.5 | 28.5 | 31.5 | 23.50 | 1845 | +14.9 |
| 3 | Rojas Salas, Rihanna Irina | 1779 | PER | +11B | =17N | −5B | +20N | +7B | =2N | +9B | 5.0 | 25.0 | 27.5 | 19.00 | 1738 | -6.6 |
| 4 | Marzetti Corisapra, Leonardo Adriano | 1751 | PER | −13N | +18B | +16N | +12B | +10N | =1B | =2B | 5.0 | 25.0 | 27.5 | 18.75 | 1721 | -4.4 |
| 5 | Morante Bautista, Tiago Daniel | 1690 | PER | =18N | +9B | +3N | +6B | −1N | −8B | +13B | 4.5 | 27.0 | 29.5 | 17.75 | 1685 | +3.2 |
| 6 | Calluchi Carrillo, Thiago Andre | 1632 | PER | +25B | +13N | −2B | −5N | +11B | +12N | =7B | 4.5 | 25.0 | 25.0 | 12.75 | 1675 | +21.2 |
| 7 | Duran Cardenas, Juan Diego | 1600 | PER | +26B | +24N | −1N | +13B | −3N | +10B | =6N | 4.5 | 22.5 | 22.5 | 9.25 | 1630 | +8.4 |
| 8 | Jauregui Casas, Lhuanna Khalezzy | 1621 | PER | −9N | +25B | =15N | +19B | +22B | +5N | −1N | 4.5 | 22.0 | 22.0 | 10.50 | 1646 | +11.6 |
| 9 | Alcantara Enriquez, Nicolas Rodrigo | 1415 | PER | +8B | −5N | +21B | +17N | −2B | +22N | −3N | 4.0 | 24.0 | 26.0 | 11.00 | 1665 | 0.0 |
| 10 | Sardon Aragon Alejandro Ulysses | 1539 | PER | +19B | −2N | +24B | +14N | −4B | −7N | +16B | 4.0 | 23.5 | 23.5 | 8.50 | 1546 | -0.6 |
| 11 | Dergan Lobos, Ian Neyef | 1470 | PER | −3N | −15B | +23N | +27B | −6N | +21B | +18N | 4.0 | 18.0 | 18.0 | 5.50 | 1663 | +47.6 |
| 12 | Chavez Campos, Hannah Letizia Margaret | 1476 | PER | F | +22N | =17B | −4N | +14B | −6B | +15N | 3.5 | 20.0 | 20.0 | 9.25 | 1599 | +32.0 |
| 13 | Veramendi Pihue, Thiago Valentino | 1466 | PER | +4B | −6B | F | −7N | +21N | +17B | −5N | 3.0 | 23.0 | 23.0 | 9.50 | 1621 | +41.6 |
| 14 | Sumoso Tejada, Marcelino | 1464 | PER | −1N | +23B | +18N | −10B | −12N | −15B | +21N | 3.0 | 21.0 | 22.0 | 5.50 | 1460 | -4.0 |
| 15 | Garcia Moncada, Maria Estefany Sofia | 0 | PER | −17B | +11N | =8B | −22N | =20B | +14N | −12B | 3.0 | 20.0 | 22.0 | 10.50 | 1476 | -49.6 |
| 16 | Infantas Arevalo, Thiago Edu | 1472 | PER | −2B | +26N | −4B | +24N | F | +19B | −10N | 3.0 | 19.5 | 19.5 | 2.50 | 897 | -28.0 |
| 17 | Mendoza Alata, Victor Gabriel | 1587 | PER | +15N | =3B | =12N | −9B | F | −13N | =20B | 2.5 | 21.5 | 24.0 | 8.50 | 1383 | -55.2 |
| 18 | Gomez Monteverde, Benjamin Jose | 1443 | PER | =5B | −4N | −14B | +25N | −19N | +24B | −11B | 2.5 | 19.0 | 19.0 | 2.25 | 1426 | 0.0 |
| 19 | Gomez Jalixto, Matthew Yahir | 0 | PER | −10N | F | =20B | −8N | +18B | −16N | +22B | 2.5 | 18.5 | 18.5 | 5.75 | 1465 | -22.4 |
| 20 | Oropeza Ortega, Jacob Tiziano | 1475 | PER | F | F | =19N | −3B | =15N | +23B | =17N | 2.5 | 14.0 | 14.0 | 5.00 | 1493 | -1.6 |
| 21 | Gomez Jalixto, Dylam Yareth | 1480 | PER | +23N | −1B | −9N | +26B | −13B | −11N | −14B | 2.0 | 21.0 | 21.0 | 1.00 | 713 | -91.6 |
| 22 | Vargas De La Cruz, Veronica Valeria | 1564 | PER | F | −12B | +25N | +15B | −8N | −9B | −19N | 2.0 | 17.5 | 17.5 | 3.00 | 1301 | -56.4 |
| 23 | Gomez Monteverde, Lucero Maribel | 0 | PER | −21B | −14N | −11B | F | F | −20N | +24B | 1.0 | 11.5 | 11.5 | 0.00 | 681 | 0.0 |
| 24 | FIDE 81460694 | 0 | — | F | −7B | −10N | −16B | F | −18N | −23N | 0.0 | 15.0 | 15.0 | 0.00 | 715 | 0.0 |
| 25 | Quispe Villar, Harim Gabriel | 1442 | PER | −6N | −8N | −22B | −18B | F | F | F | 0.0 | 13.5 | 13.5 | 0.00 | 762 | -62.4 |
| 26 | FIDE 81470630 | 0 | — | −7N | −16B | F | −21N | F | F | F | 0.0 | 10.5 | 10.5 | 0.00 | 716 | 0.0 |
| 27 | Stuart Llanos, Alejandro Jose | 1617 | PER | F | F | F | −11N | F | F | F | 0.0 | 7.0 | 7.0 | 0.00 | 680 | -13.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Gutarra Minaya, Percy EduardoPER+59.56.0 pts · #1
- 2Dergan Lobos, Ian NeyefPER+47.64.0 pts · #11
- 3Veramendi Pihue, Thiago ValentinoPER+41.63.0 pts · #8
- 1Gomez Jalixto, Dylam YarethPER-91.62.0 pts · #22
- 2Quispe Villar, Harim GabrielPER-62.40.0 pts · #23
- 3Vargas De La Cruz, Veronica ValeriaPER-56.42.0 pts · #19
- R1+285 Elo gap
- R1+206 Elo gap
- R4+172 Elo gap