Campeonato Nacional de Ajedrez por Categorias Impares 2026 - U13 ABS
Open SwissStandard
45 players participated in this 7-round tournament, held from 26 Feb 2026 to 01 Mar 2026 in Panama, Panama. Top 10 Elo average was 1587, and top seed was Lucas Andre Melgarejo Jimenez (🇵🇦 PAN, 1653).
Andres Daniel Navarro Barrios (🇵🇦 PAN, 1628) won with 6.0/7, ahead of Giuseppe Umberto Antinori Rodriguez (5.5) and Jenner Antonio Pineda Aguirre (5.0). Navarro Barrios broke clear in the final round.
The biggest upset came in round 6: Jezrrel Eliecer Lopez Villarreal (1457) beat Lucas Andre Melgarejo Jimenez (1653), a +196-point gap.
Location
🇵🇦Panama, Panama
Dates
26 Feb 2026 → 01 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Federations · 1 represented
🇵🇦Panama×33
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsAndres Daniel Navarro Barrios led from R7; +0.5-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R7.
Co-leaders
17
8
2
4
2
2
1
R7–R7 · LEAD HELD
Andres Daniel Navarro Barrios held the sole lead from R7 through R7 without losing it.
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Andres Daniel Navarro Barrios drew with Giuseppe Umberto Antinori Rodriguez (Black).
WIN STREAKS · 2 top finishers
Andres Daniel Navarro Barrios 3 wins (R1–R3)Giuseppe Umberto Antinori Rodriguez 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishersGrille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Navarro Barrios, Andres Daniel | 1628 | PAN | +43B | +10N | +4B | =2N | +8B | =3N | +7B | 6.0 | 29.0 | 30.0 | 24.75 | 1829 | +54.8 |
| 2 | Antinori Rodriguez, Giuseppe Umberto | 1573 | PAN | +27B | +6N | +28B | =1B | −3N | +11N | +8B | 5.5 | 28.0 | 31.0 | 23.00 | 1713 | +41.6 |
| 3 | Pineda Aguirre, Jenner Antonio | 1524 | PAN | +24B | +41N | =7B | +20N | +2B | =1B | −4N | 5.0 | 28.0 | 29.0 | 18.75 | 1642 | +30.4 |
| 4 | Roa Lugo, Enmanuel de Jesus | 1524 | PAN | F | +21B | −1N | +34B | +15N | +5N | +3B | 5.0 | 26.0 | 26.0 | 20.00 | 1786 | +53.2 |
| 5 | Kitaeff Mattison, Andres Constantin | 1522 | PAN | +39B | +29N | −20B | +30N | +17N | −4B | +16N | 5.0 | 22.5 | 24.0 | 15.50 | 1545 | +4.0 |
| 6 | Gordon Menchu, Miguel Angel | 1455 | PAN | +33B | −2B | −34N | +41N | +31B | +20N | +14B | 5.0 | 21.5 | 22.5 | 14.50 | 1655 | +41.6 |
| 7 | Velazquez Diaz, Alejandro Ire | 1647 | PAN | +12N | +22B | =3N | −8B | +14N | +9B | −1N | 4.5 | 28.5 | 32.0 | 19.00 | 1558 | -27.6 |
| 8 | Herrera Gomez, Ivan Said | 1568 | PAN | +40B | +30N | =9B | +7N | −1N | +22B | −2N | 4.5 | 27.0 | 28.5 | 14.75 | 1553 | -4.0 |
| 9 | Frias Landecho, Alexis Jafeth | 1424 | PAN | +36B | +17B | =8N | =13N | =11B | −7N | +25B | 4.5 | 25.5 | 27.5 | 16.25 | 1561 | +25.6 |
| 10 | Lopez Villarreal, Jezrrel Eliecer | 1457 | PAN | +25N | −1B | +21N | −17B | +36N | +15B | =12N | 4.5 | 25.5 | 27.5 | 15.25 | 1478 | -0.8 |
| 11 | Rincon Mayorga, Juan Diego | 1527 | PAN | +44N | =35B | =15N | +12B | =9N | −2B | +22N | 4.5 | 24.5 | 25.5 | 14.50 | 1531 | +23.2 |
| 12 | Morales Aguirre, Javier Antonio | 1405 | PAN | −7B | +42N | +29B | −11N | +32B | +18N | =10B | 4.5 | 23.5 | 24.5 | 13.25 | 1429 | +3.2 |
| 13 | Murgas Lopez, Roberto Andres | 1619 | PAN | −35N | +44B | +27N | =9B | −22N | +34B | +21N | 4.5 | 19.5 | 20.5 | 12.25 | 1465 | -8.4 |
| 14 | Azcarraga Lam, Joaquin Enrique | 0 | PAN | =20B | +18N | =16B | +28N | −7B | +17B | −6N | 4.0 | 25.0 | 28.0 | 14.75 | 1557 | +57.6 |
| 15 | Melgarejo Jimenez, Lucas Andre | 1653 | PAN | =16B | +32N | =11B | +19N | −4B | −10N | +30B | 4.0 | 25.0 | 28.0 | 14.25 | 1459 | -65.6 |
| 16 | Kushinakajo Tamagusuku, Inti | 1417 | PAN | =15N | +23B | =14N | =18B | =20B | +28N | −5B | 4.0 | 24.0 | 27.0 | 14.25 | 1558 | +57.2 |
| 17 | Gonzalez Guardia, Adrian Arturo | 1543 | PAN | +37B | −9N | +41B | +10N | −5B | −14N | +27B | 4.0 | 23.0 | 24.0 | 10.50 | 1275 | -56.8 |
| 18 | Escartin Tam, Hafet Arturo | 1543 | PAN | =38N | −14B | +23N | =16N | +27B | −12B | +31N | 4.0 | 22.0 | 23.5 | 12.25 | 1419 | -27.6 |
| 19 | Valdes Figueroa, Daniel Alfredo | 1473 | PAN | −21N | +24B | +26N | −15B | =34N | =29B | +32N | 4.0 | 20.5 | 23.0 | 12.75 | 875 | -10.4 |
| 20 | Valdes Gonzalez, Abinadab Ernesto | 1573 | PAN | =14N | +38B | +5N | −3B | =16N | −6B | =23N | 3.5 | 26.5 | 28.0 | 12.25 | 1408 | -15.2 |
| 21 | Marquinez Lau, Daniel Andres | 0 | PAN | +19B | −4N | −10B | +24N | +30B | =31N | −13B | 3.5 | 24.5 | 27.5 | 12.00 | 1437 | 0.0 |
| 22 | Rudas Suarez, Rolando Javier | 1483 | PAN | +42B | −7N | +37B | =31N | +13B | −8N | −11B | 3.5 | 23.0 | 24.0 | 9.00 | 1386 | 0.0 |
| 23 | Marquez Perez, Matias Andres | 1459 | PAN | =32B | −16N | −18B | =25B | +39N | +33N | =20B | 3.5 | 21.0 | 22.5 | 9.50 | 1186 | -40.0 |
| 24 | Fernandez Araya, Maximiliano Andres | 0 | PAN | −3N | −19N | +45B | −21B | =26N | +38B | +34N | 3.5 | 20.0 | 20.0 | 5.75 | 711 | 0.0 |
| 25 | FIDE 6634915 | 0 | — | −10B | −27N | +40B | =23N | +38N | +35B | −9N | 3.5 | 19.5 | 21.0 | 7.25 | 1192 | 0.0 |
| 26 | Icaza Lopez, Samuel Andres | 0 | PAN | −28B | +43N | −19B | −29N | =24B | +45N | +35N | 3.5 | 17.0 | 17.0 | 5.25 | 702 | 0.0 |
| 27 | Arauz Wilson, David Fernando | 0 | PAN | −2N | +25B | −13B | +33N | −18N | +36B | −17N | 3.0 | 24.5 | 26.5 | 8.50 | 766 | 0.0 |
| 28 | Rincon Hoyos, Benjamin Jose | 1505 | PAN | +26N | +34B | −2N | −14B | +42N | −16B | −29N | 3.0 | 22.5 | 23.5 | 7.00 | 663 | -68.4 |
| 29 | FIDE 6626351 | 0 | — | F | −5B | −12N | +26B | =35N | =19N | +28B | 3.0 | 22.5 | 22.5 | 9.75 | 1398 | 0.0 |
| 30 | Rodriguez, Jeremias Ezequiel | 1455 | PAN | +45N | −8B | +33N | −5B | −21N | +42B | −15N | 3.0 | 21.0 | 21.0 | 4.00 | 791 | -35.2 |
| 31 | Vallarino Guizado, Ernesto Jose | 1427 | PAN | −34N | +39B | +36N | =22B | −6N | =21B | −18B | 3.0 | 20.5 | 22.0 | 7.00 | 688 | -32.4 |
| 32 | Munoz Jean Louis, Edgar Alberto | 0 | PAN | =23N | −15B | +38N | =35B | −12N | +37B | −19B | 3.0 | 20.5 | 22.0 | 6.50 | 1186 | 0.0 |
| 33 | Pinzon Montero, Carlos Javier | 0 | PAN | −6N | +40N | −30B | −27B | +43N | −23B | +37N | 3.0 | 18.0 | 19.0 | 4.50 | 649 | 0.0 |
| 34 | Sugaste Sanchez, Thiago Aldair | 0 | PAN | +31B | −28N | +6B | −4N | =19B | −13N | −24B | 2.5 | 25.0 | 28.0 | 10.00 | 1448 | 0.0 |
| 35 | FIDE 6630723 | 0 | — | +13B | =11N | F | =32N | =29B | −25N | −26B | 2.5 | 22.0 | 22.0 | 9.75 | 1539 | 0.0 |
| 36 | FIDE 6624685 | 0 | — | −9N | F | −31B | +39N | −10B | −27N | +40B | 2.0 | 18.0 | 18.0 | 3.00 | 651 | 0.0 |
| 37 | FIDE 6639461 | 0 | — | −17N | +45B | −22N | −42B | +41B | −32N | −33B | 2.0 | 15.5 | 15.5 | 1.00 | 745 | 0.0 |
| 38 | FIDE 6634680 | 0 | — | =18B | −20N | −32B | +40N | −25B | −24N | −39N | 1.5 | 19.0 | 20.5 | 3.50 | 1292 | 0.0 |
| 39 | FIDE 6639380 | 0 | — | −5N | −31N | F | −36B | −23B | =40N | +38B | 1.5 | 16.5 | 17.5 | 2.25 | 669 | 0.0 |
| 40 | FIDE 6634699 | 0 | — | −8N | −33B | −25N | −38B | +44N | =39B | −36N | 1.5 | 16.0 | 17.0 | 1.75 | 768 | 0.0 |
| 41 | Simon Sabat, Michael | 0 | PAN | F | −3B | −17N | −6B | −37N | F | +42N | 1.0 | 18.0 | 18.0 | 1.00 | 710 | 0.0 |
| 42 | FIDE 6639470 | 0 | — | −22N | −12B | F | +37N | −28B | −30N | −41B | 1.0 | 17.0 | 18.0 | 2.00 | 651 | 0.0 |
| 43 | FIDE 6639305 | 0 | — | −1N | −26B | F | +45N | −33B | F | F | 1.0 | 15.0 | 15.0 | 0.00 | 833 | 0.0 |
| 44 | FIDE 6639291 | 0 | — | −11B | −13N | F | F | −40B | F | +45B | 1.0 | 11.5 | 11.5 | 0.00 | 719 | 0.0 |
| 45 | FIDE 6639372 | 0 | — | −30B | −37N | −24N | −43B | F | −26B | −44N | 0.0 | 14.0 | 14.0 | 0.00 | 632 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Azcarraga Lam, Joaquin EnriquePAN+57.64.0 pts · #3
- 2Kushinakajo Tamagusuku, IntiPAN+57.24.0 pts · #4
- 3Navarro Barrios, Andres DanielPAN+54.86.0 pts · #1
Top rating losers
- 1Rincon Hoyos, Benjamin JosePAN-68.43.0 pts · #42
- 2Melgarejo Jimenez, Lucas AndrePAN-65.64.0 pts · #8
- 3Gonzalez Guardia, Adrian ArturoPAN-56.84.0 pts · #23
Biggest upsets
- R6+196 Elo gap
- R6+138 Elo gap
- R5+136 Elo gap