CAMPEONATO REGIONAL DE AJEDREZ SUR IMPAR TACNA - 2026 U9 AB
19 players participated in this 7-round tournament, held from 09 Mar 2026 to 12 Mar 2026 in Tacna, Peru. Top 10 Elo average was 904, and top seed was Juan Eduardo Ramos Barriga (🇵🇪 PER, 1612).
Juan Eduardo Ramos Barriga (🇵🇪 PER, 1612) won with 6.0/7, ahead of Mesut Adonis Chuctaya Ayala (5.5) and David Luis Holguin Segovia (5.5). Ramos Barriga won solo starting round 4.
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How it unfolded
Top 6 · 7 roundsJuan Eduardo Ramos Barriga led from R4; +0.5-point edge over the runner-up.
Juan Eduardo Ramos Barriga held the sole lead from R4 through R7 without losing it.
Juan Eduardo Ramos Barriga beat Mesut Adonis Chuctaya Ayala (White).
Juan Eduardo Ramos Barriga 6 wins (R1–R6)Mesut Adonis Chuctaya Ayala 3 wins (R5–R7)David Luis Holguin Segovia 3 wins (R5–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Juan Eduardo Ramos Barriga | * | 1 | 0 | — |
| 2Mesut Adonis Chuctaya Ayala | 0 | * | — | 1 |
| 3David Luis Holguin Segovia | 1 | — | * | 0 |
| 4Piero Alexander Zeballos Rosales | — | 0 | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ramos Barriga, Juan Eduardo | 1612 | PER | +16B | +17N | +2B | +5N | +8B | +7N | −3B | 6.0 | 26.5 | 28.5 | 23.00 | 1664 | +7.2 |
| 2 | Chuctaya Ayala, Mesut Adonis | 1495 | PER | +9N | +8B | −1N | =7B | +14N | +4B | +10N | 5.5 | 27.0 | 30.0 | 22.00 | 1532 | +6.0 |
| 3 | Holguin Segovia, David Luis | 1527 | PER | +19N | +11B | =7N | −4B | +13N | +12B | +1N | 5.5 | 26.0 | 27.0 | 20.00 | 1532 | +5.2 |
| 4 | Zeballos Rosales, Piero Alexander | 1498 | PER | +6B | +12N | −5B | +3N | +10B | −2N | +7B | 5.0 | 28.5 | 32.5 | 22.00 | 1471 | -3.2 |
| 5 | Covarrubias Ochoa, Octavio | 1425 | PER | +15N | +13B | +4N | −1B | −7N | +18B | +9N | 5.0 | 25.0 | 27.0 | 17.00 | 1407 | 0.0 |
| 6 | FIDE 81464568 | 0 | — | −4N | +?B | −11N | =?B | +19N | +14B | +18N | 4.5 | 15.0 | 15.0 | 6.00 | 686 | 0.0 |
| 7 | Urquizo Apaza, Jose Adriano | 1483 | PER | +18B | +10N | =3B | =2N | +5B | −1B | −4N | 4.0 | 31.0 | 33.0 | 16.50 | 1430 | -15.2 |
| 8 | Portilla Machaca, Luis Mateo | 0 | PER | +14N | −2N | +?B | +11B | −1N | −9B | +13N | 4.0 | 25.5 | 25.5 | 10.00 | 761 | 0.0 |
| 9 | Mamani Condori, Edward Thiago | 0 | PER | −2B | +14B | +?N | −10N | +17B | +8N | −5B | 4.0 | 23.5 | 23.5 | 9.00 | 651 | 0.0 |
| 10 | Vasquez Rodriguez, Dominick Aaron | 0 | PER | +?N | −7B | +19N | +9B | −4N | +13B | −2B | 4.0 | 22.5 | 22.5 | 8.00 | 688 | 0.0 |
| 11 | FIDE 81452470 | 0 | — | +?B | −3N | +6B | −8N | F | +17N | +?B | 4.0 | 18.0 | 18.0 | 6.50 | 699 | 0.0 |
| 12 | FIDE 81437986 | 0 | — | +?N | −4B | +?N | −13B | +?B | −3N | +17B | 4.0 | 15.5 | 15.5 | 2.00 | 693 | 0.0 |
| 13 | Pucho Mendoza, Vidmar Fabrizio | 0 | PER | +?B | −5N | +17B | +12N | −3B | −10N | −8B | 3.0 | 24.5 | 24.5 | 6.00 | 652 | 0.0 |
| 14 | Albuquerque Mollo, Juan Colbert | 0 | PER | −8B | −9N | +?B | +16N | −2B | −6N | +19B | 3.0 | 21.5 | 21.5 | 3.50 | 696 | 0.0 |
| 15 | FIDE 81481659 | 0 | — | −5B | −?N | −16B | −18N | +?N | +?B | +?B | 3.0 | 9.5 | 9.5 | 0.00 | 605 | 0.0 |
| 16 | FIDE 81484607 | 0 | — | −1N | −?B | +15N | −14B | −?N | =?N | +?B | 2.5 | 12.0 | 12.0 | 3.00 | 826 | 0.0 |
| 17 | FIDE 81429703 | 0 | — | +?N | −1B | −13N | +19B | −9N | −11B | −12N | 2.0 | 22.0 | 22.0 | 1.00 | 826 | 0.0 |
| 18 | FIDE 81471270 | 0 | — | −7N | −?B | +?N | +15B | F | −5N | −6B | 2.0 | 20.5 | 20.5 | 3.00 | 644 | 0.0 |
| 19 | FIDE 81460007 | 0 | — | −3B | +?N | −10B | −17N | −6B | F | −14N | 1.0 | 19.0 | 19.0 | 0.00 | 699 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Ramos Barriga, Juan EduardoPER+7.26.0 pts · #1
- 2Chuctaya Ayala, Mesut AdonisPER+6.05.5 pts · #4
- 3Holguin Segovia, David LuisPER+5.25.5 pts · #5
- 1Urquizo Apaza, Jose AdrianoPER-15.24.0 pts · #2
- 2Zeballos Rosales, Piero AlexanderPER-3.25.0 pts · #3
- 3FIDE 814297030.02.0 pts · #18