CAMPEONATO REGIONAL DE AJEDREZ SUR IMPAR TACNA - 2026 15 ABS
Open SwissStandard
39 players participated in this 7-round tournament, held from 09 Mar 2026 to 12 Mar 2026 in Tacna, Peru. 2 federations represented. Top 10 Elo average was 1709, and top seed was Keops Banda Chahuara (🇵🇪 PER, 1859).
Mathias Fernando Mendoza Huanchi (🇵🇪 PER, 1812) won with 6.5/7, ahead of Keops Banda Chahuara (5.5) and Matheo Salvador Miranda Galindo (5.5). Mendoza Huanchi won solo starting round 5.
The biggest upset came in round 6: Sebastian Emilio Soto Vizcarra (1455) beat Rafael Leonardo Huari Ortega (1787), a +332-point gap.
Location
🇵🇪Tacna, Peru
Dates
09 Mar 2026 → 12 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Federations · 2 represented
🇵🇪Peru×29
🇨🇱Chile×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsMathias Fernando Mendoza Huanchi led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
19
9
4
2
1
1
1
Mendoza Huanchi6.5Banda Chahuara5.5Fuentes Olarte5.5Miranda Galindo5.5Duran Alarcon5Moscoso Paredes5
R5–R7 · LEAD HELD
Mathias Fernando Mendoza Huanchi never relinquished the lead after R5; final gap +1.0 over the runner-up.
R6 · HEAD-TO-HEAD · WINNER VS 2ND
Mathias Fernando Mendoza Huanchi beat Keops Banda Chahuara (White).
WIN STREAKS · 3 top finishers
Mathias Fernando Mendoza Huanchi 6 wins (R1–R6)Keops Banda Chahuara 3 wins (R3–R5)Jose Carlos Fuentes Olarte 4 wins (R3–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Mathias Fernando Mendoza Huanchi | * | 1 | ½ | 1 |
| 2Keops Banda Chahuara | 0 | * | — | — |
| 3Jose Carlos Fuentes Olarte | ½ | — | * | — |
| 4Matheo Salvador Miranda Galindo | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mendoza Huanchi, Mathias Fernando | 1812 | PER | +21N | +3B | +5N | +6B | +11N | +2B | =4B | 6.5 | 30.5 | 34.0 | 31.25 | 2083 | +42.4 |
| 2 | Banda Chahuara, Keops | 1859 | PER | +20B | =9N | +17B | +8N | +7B | −1N | +11B | 5.5 | 29.0 | 32.5 | 23.75 | 1910 | +16.5 |
| 3 | Miranda Galindo, Matheo Salvador | 1587 | PER | +34B | −1N | =10B | +20N | +19B | +9N | +6B | 5.5 | 27.5 | 29.5 | 20.75 | 1836 | +50.0 |
| 4 | Fuentes Olarte, Jose Carlos | 1587 | PER | +31N | −12B | +27N | +22N | +13B | +5B | =1N | 5.5 | 25.0 | 27.0 | 19.75 | 1947 | +48.0 |
| 5 | Ticona Cauna, Yoel Nelson | 1664 | CHI | +38B | +13N | −1B | +15N | +9B | −4N | +12B | 5.0 | 28.5 | 28.5 | 16.50 | 1675 | +4.0 |
| 6 | Challco Puente de la Vega, Andre Alessandro | 1590 | PER | +33B | +28N | +8B | −1N | +12B | +11B | −3N | 5.0 | 27.0 | 29.0 | 17.00 | 1740 | +18.4 |
| 7 | Duran Alarcon, Hernan Gabriel | 1670 | PER | +19N | +16B | +14N | −11B | −2N | +22N | +15B | 5.0 | 25.0 | 28.0 | 18.50 | 1742 | +21.6 |
| 8 | Moscoso Paredes, Rafael Leonardo | 1777 | PER | +27N | +23B | −6N | −2B | +32N | +16B | +13N | 5.0 | 24.0 | 26.0 | 15.50 | 1660 | -24.4 |
| 9 | Ardiles Barrantes, Adriano Ezequiel | 1557 | PER | +37N | =2B | +12N | +14B | −5N | −3B | +23N | 4.5 | 27.0 | 28.0 | 14.75 | 1680 | +32.0 |
| 10 | Herrera Acero, Michael Aldair | 1409 | PER | −14N | +37B | =3N | −23B | +27N | +20N | +19B | 4.5 | 22.0 | 23.0 | 13.25 | 1502 | 0.0 |
| 11 | Huaman Rivera, Danilo | 1706 | PER | +36B | +15N | +22B | +7N | −1B | −6N | −2N | 4.0 | 29.0 | 31.0 | 14.00 | 1664 | -12.4 |
| 12 | Arosquipa Carlos, Gerardo Leonel | 1427 | PER | +30B | +4N | −9B | +18N | −6N | +23B | −5N | 4.0 | 27.0 | 29.0 | 14.50 | 1591 | 0.0 |
| 13 | Hurtado Alegria, Augusto Juanthiago | 1444 | PER | +35N | −5B | +29N | +16B | −4N | +17N | −8B | 4.0 | 25.5 | 27.5 | 12.00 | 1578 | +30.8 |
| 14 | Huari Ortega, Rafael Leonardo | 1787 | PER | +10B | +18N | −7B | −9N | +35B | −15N | +28B | 4.0 | 24.0 | 26.0 | 12.50 | 1351 | -84.0 |
| 15 | Soto Vizcarra, Sebastian Emilio | 1455 | PER | +24N | −11B | +25N | −5B | +30N | +14B | −7N | 4.0 | 24.0 | 26.0 | 12.00 | 1512 | +8.8 |
| 16 | Salas Sanchez, Jireh Sebastian | 1463 | PER | +32B | −7N | +33B | −13N | +28B | −8N | +22B | 4.0 | 21.0 | 23.0 | 9.00 | 1393 | -16.8 |
| 17 | Chavez Rivera, Dominic Gabriel | 1638 | PER | +39N | −22B | −2N | +25B | +24N | −13B | +29N | 4.0 | 20.5 | 20.5 | 8.00 | 783 | -73.6 |
| 18 | Baylon Rosado, Sthalin Manuel | 1470 | PER | +25N | −14B | +24N | −12B | =23N | =29B | +30N | 4.0 | 19.0 | 21.0 | 10.50 | 1453 | -4.4 |
| 19 | Anccasi Yucra, Jhosep Lionel | 0 | PER | −7B | +32N | =23N | +21B | −3N | +25B | −10N | 3.5 | 24.5 | 26.5 | 10.00 | 1482 | 0.0 |
| 20 | Quispe Escobar, Jordan Rodrigo | 1416 | PER | −2N | +31B | +30N | −3B | =29N | −10B | +24N | 3.5 | 22.5 | 24.5 | 8.00 | 923 | -17.6 |
| 21 | Quispe Cuadros, Nyls Sven | 1414 | PER | −1B | +34N | =28B | −19N | −22B | +37N | +27B | 3.5 | 19.5 | 20.5 | 6.50 | 866 | -25.2 |
| 22 | Flores Maquera, Airon Ismael | 1446 | PER | +29B | +17N | −11N | −4B | +21N | −7B | −16N | 3.0 | 26.0 | 28.0 | 9.50 | 1489 | +10.4 |
| 23 | Pareja Mercado, Aled Jose | 1521 | PER | +26B | −8N | =19B | +10N | =18B | −12N | −9B | 3.0 | 25.5 | 28.5 | 11.25 | 1332 | -28.0 |
| 24 | FIDE 81480091 | 0 | — | −15B | +38N | −18B | +31N | −17B | +26N | −20B | 3.0 | 20.5 | 20.5 | 5.00 | 725 | 0.0 |
| 25 | FIDE 81484160 | 0 | — | −18B | +36N | −15B | −17N | +33B | −19N | +37B | 3.0 | 19.5 | 20.5 | 5.00 | 740 | 0.0 |
| 26 | FIDE 81484240 | 0 | — | −23N | −27B | +31N | −30B | +34N | −24B | +38N | 3.0 | 14.5 | 14.5 | 4.00 | 723 | 0.0 |
| 27 | FIDE 81485840 | 0 | — | −8B | +26N | −4B | =28N | −10B | +35N | −21N | 2.5 | 23.5 | 25.5 | 6.00 | 844 | 0.0 |
| 28 | FIDE 81482892 | 0 | — | F | −6B | =21N | =27B | −16N | +32B | −14N | 2.0 | 21.0 | 21.0 | 5.00 | 1270 | 0.0 |
| 29 | Suca Flores, Yako Rossel | 0 | PER | −22N | F | −13B | +33N | =20B | =18N | −17B | 2.0 | 20.5 | 20.5 | 5.75 | 1266 | 0.0 |
| 30 | Velasquez Pastor, William | 0 | PER | −12N | F | −20B | +26N | −15B | +36N | −18B | 2.0 | 20.5 | 20.5 | 5.00 | 674 | 0.0 |
| 31 | FIDE 81485859 | 0 | — | −4B | −20N | −26B | −24B | +38N | −34B | +36N | 2.0 | 19.0 | 19.0 | 2.00 | 775 | 0.0 |
| 32 | Mamani Paredes, Jeshua Renzo | 0 | PER | −16N | −19B | F | +36N | −8B | −28N | +33B | 2.0 | 18.5 | 18.5 | 4.00 | 820 | 0.0 |
| 33 | Ferro Meza, Enzo Leonardo | 0 | PER | −6N | +35B | −16N | −29B | −25N | +38B | −32N | 2.0 | 18.0 | 18.0 | 2.00 | 757 | 0.0 |
| 34 | FIDE 81468296 | 0 | — | −3N | −21B | −36B | +38N | −26B | +31N | −35B | 2.0 | 18.0 | 18.0 | 2.00 | 736 | 0.0 |
| 35 | Torres Ccarhuarupay, Mario Zaid | 0 | PER | −13B | −33N | F | +37B | −14N | −27B | +34N | 2.0 | 15.5 | 15.5 | 3.00 | 806 | 0.0 |
| 36 | Anccasi Lima, Irven | 0 | PER | −11N | −25B | +34N | −32B | +37N | −30B | −31B | 2.0 | 15.0 | 16.0 | 3.00 | 906 | 0.0 |
| 37 | FIDE 81482906 | 0 | — | −9B | −10N | +38B | −35N | −36B | −21B | −25N | 1.0 | 19.5 | 19.5 | 0.00 | 719 | 0.0 |
| 38 | FIDE 81483015 | 0 | — | −5N | −24B | −37N | −34B | −31B | −33N | −26B | 0.0 | 17.0 | 18.0 | 0.00 | 864 | 0.0 |
| 39 | Cori Esquia, Ibrahim Axel | 0 | PER | −17B | F | F | F | F | F | F | 0.0 | 8.0 | 8.0 | 0.00 | 875 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Miranda Galindo, Matheo SalvadorPER+50.05.5 pts · #8
- 2Fuentes Olarte, Jose CarlosPER+48.05.5 pts · #4
- 3Mendoza Huanchi, Mathias FernandoPER+42.46.5 pts · #1
Top rating losers
- 1Huari Ortega, Rafael LeonardoPER-84.04.0 pts · #16
- 2Chavez Rivera, Dominic GabrielPER-73.64.0 pts · #37
- 3Pareja Mercado, Aled JosePER-28.03.0 pts · #21
Biggest upsets
- R6+332 Elo gap
- R4+230 Elo gap
- R6+194 Elo gap