Campeonato Nacional de Ajedrez por Categorias Impares 2026 - U15 ABS
Open SwissStandard
40 players participated in this 7-round tournament, held from 26 Feb 2026 to 01 Mar 2026 in Panama, Panama. Top 10 Elo average was 1735, and top seed was Juan Raul Montufar Porcell (🇵🇦 PAN, 1917).
Manuel Alejandro Cueto Fernandez (🇵🇦 PAN, 1871) won with 6.0/7, ahead of Juan Raul Montufar Porcell (5.5) and Ian Andre Simpson Miranda (5.5). Cueto Fernandez won solo starting round 4.
The biggest upset came in round 2: Javier Alfonso Rosas Valdes (1582) beat Jose Ivan Rodriguez Lopez (1776), a +194-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×31
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsManuel Alejandro Cueto Fernandez led from R4; +0.5-point edge over the runner-up.
Co-leaders
19
10
5
1
1
1
1
R4–R7 · LEAD HELD
Manuel Alejandro Cueto Fernandez held the sole lead from R4 through R7 without losing it.
R5 · HEAD-TO-HEAD · WINNER VS 2ND
Manuel Alejandro Cueto Fernandez drew with Juan Raul Montufar Porcell (Black).
WIN STREAKS · 2 top finishers
Manuel Alejandro Cueto Fernandez 4 wins (R1–R4)Juan Raul Montufar Porcell 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Manuel Alejandro Cueto Fernandez | * | ½ | — | 1 |
| 2Juan Raul Montufar Porcell | ½ | * | — | — |
| 3Ian Andre Simpson Miranda | — | — | * | — |
| 4Luis David Oses Gonzalez | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cueto Fernandez, Manuel Alejandro | 1871 | PAN | +38N | +16B | +7N | +18B | =2N | +5B | =4N | 6.0 | 27.5 | 29.0 | 23.75 | 1974 | +24.0 |
| 2 | Montufar Porcell, Juan Raul | 1917 | PAN | +26B | +19N | +9B | =4N | =1B | =6N | +7B | 5.5 | 28.5 | 31.5 | 23.50 | 1916 | +4.0 |
| 3 | Simpson Miranda, Ian Andre | 1710 | PAN | +22N | +23B | −18N | +8B | =7N | +10B | +9N | 5.5 | 24.5 | 27.5 | 21.75 | 1950 | +42.4 |
| 4 | Gomes Barranco, Manuel Ignacio | 1746 | PAN | +40B | +17N | +14B | =2B | −5N | +19N | =1B | 5.0 | 28.0 | 28.0 | 17.25 | 1814 | +20.4 |
| 5 | Oses Gonzalez, Luis David | 1769 | PAN | +34N | +12B | −8N | +15B | +4B | −1N | +11N | 5.0 | 27.5 | 29.5 | 19.00 | 1759 | -3.2 |
| 6 | Rodriguez Lopez, Jose Ivan | 1776 | PAN | +37B | −8N | +11N | +12B | =18N | =2B | +20N | 5.0 | 24.5 | 26.5 | 17.50 | 1762 | -0.4 |
| 7 | Atencio Perez, Randy Nelson | 1652 | PAN | +28B | +15N | −1B | +21N | =3B | +8B | −2N | 4.5 | 28.5 | 31.5 | 17.25 | 1752 | +28.0 |
| 8 | Rosas Valdes, Javier Alfonso | 1582 | PAN | +32N | +6B | +5B | −3N | =19B | −7N | +18N | 4.5 | 27.0 | 29.0 | 17.25 | 1706 | +31.6 |
| 9 | Pitti Torres, Dastan Aaron | 1644 | PAN | +30N | +13B | −2N | =10B | +25N | +18B | −3B | 4.5 | 26.0 | 28.5 | 15.25 | 1678 | +8.4 |
| 10 | Ramos Ceballos, Jose Andres | 1496 | PAN | −14B | +39N | +24B | =9N | +13B | −3N | +19B | 4.5 | 24.5 | 25.5 | 13.75 | 1735 | +50.8 |
| 11 | Woods Diaz, Rodrigo Alberto | 1593 | PAN | =27B | +20N | −6B | =17N | +21B | +13N | −5B | 4.0 | 24.0 | 27.0 | 13.50 | 1683 | +32.0 |
| 12 | Lopez Santos, Diego Alejandro | 1543 | PAN | +24B | −5N | +33B | −6N | F | +17N | +15B | 4.0 | 24.0 | 26.0 | 13.00 | 1659 | +34.0 |
| 13 | Perez Salina, Diego Josueth | 0 | PAN | +20B | −9N | +23N | +16B | −10N | −11B | +25N | 4.0 | 23.0 | 26.0 | 13.00 | 1615 | +2.4 |
| 14 | Moreno Barria, Jesus Salomon | 0 | PAN | +10N | +25B | −4N | −19N | −20B | +32B | +23N | 4.0 | 22.0 | 24.0 | 12.50 | 1581 | 0.0 |
| 15 | De Hermoso Jovane, Juan Pablo | 1522 | PAN | +29N | −7B | +35N | −5N | +33B | +16B | −12N | 4.0 | 22.0 | 24.0 | 10.50 | 1431 | -18.8 |
| 16 | Castillero Hernandez, Felipe Antonio | 1566 | PAN | +33B | −1N | +36B | −13N | +24B | −15N | +21B | 4.0 | 22.0 | 24.0 | 10.00 | 1445 | -27.6 |
| 17 | Vallarino Guizado, Lucas Enrique | 1562 | PAN | +35N | −4B | =29N | =11B | +32N | −12B | +22N | 4.0 | 20.5 | 22.5 | 10.25 | 1332 | -32.8 |
| 18 | Powell Miranda, Kevin Yamahal | 0 | PAN | +21B | +27N | +3B | −1N | =6B | −9N | −8B | 3.5 | 28.5 | 31.5 | 14.00 | 1634 | 0.0 |
| 19 | Jurado Gonzalez, Luis Antonio | 1626 | PAN | +36N | −2B | +32N | +14B | =8N | −4B | −10N | 3.5 | 25.5 | 27.5 | 10.25 | 1362 | -40.8 |
| 20 | Frias Acosta, Lev Yassik | 1495 | PAN | −13N | −11B | +40N | +30B | +14N | F | −6B | 3.0 | 22.0 | 22.0 | 6.50 | 859 | -34.8 |
| 21 | Laurencena Lopez, Gustavo Adrian | 1474 | PAN | −18N | +30B | +25N | −7B | −11N | +35B | −16N | 3.0 | 21.5 | 23.5 | 7.50 | 1422 | -23.2 |
| 22 | Ducreux Guelfi, Adolphe Fillipo | 0 | PAN | −3B | +31N | F | +29B | F | +24N | −17B | 3.0 | 21.5 | 21.5 | 8.00 | 843 | 0.0 |
| 23 | Escartin Sanchez, Arturo Saith | 1486 | PAN | +31B | −3N | −13B | −33N | +28B | +34N | −14B | 3.0 | 21.0 | 23.0 | 7.50 | 870 | -26.0 |
| 24 | FIDE 6639348 | 0 | — | −12N | +34B | −10N | +26B | −16N | −22B | +38N | 3.0 | 20.5 | 22.0 | 6.50 | 1298 | 0.0 |
| 25 | Sosa Baiz, Santiago Alejandro | 1641 | PAN | +39B | −14N | −21B | +36N | −9B | +33N | −13B | 3.0 | 19.5 | 20.5 | 5.00 | 796 | -67.2 |
| 26 | Oro Abrego, Alexander Isaac | 1437 | PAN | −2N | −36B | +27B | −24N | =30N | +38B | =34B | 3.0 | 18.0 | 19.5 | 6.75 | 1015 | -3.2 |
| 27 | Junca Rodriguez, Fabian Amir | 0 | PAN | =11N | −18B | −26N | +35B | F | =36N | +33B | 3.0 | 16.5 | 18.5 | 7.00 | 1308 | 0.0 |
| 28 | FIDE 6639097 | 0 | — | −7N | −29B | +38N | −32B | −23N | +40B | +35N | 3.0 | 15.5 | 15.5 | 3.50 | 801 | 0.0 |
| 29 | Morales Caraballo, Lionel Aaron | 0 | PAN | −15B | +28N | =17B | −22N | +31B | F | F | 2.5 | 19.5 | 19.5 | 7.50 | 1346 | 0.0 |
| 30 | FIDE 6639364 | 0 | — | −9B | −21N | +37B | −20N | =26B | −31N | +39N | 2.5 | 18.0 | 19.0 | 4.50 | 1199 | 0.0 |
| 31 | Pinzon Montero, Joshua Oveth | 0 | PAN | −23N | −22B | F | =34B | −29N | +30B | +37N | 2.5 | 15.0 | 15.0 | 5.50 | 738 | 0.0 |
| 32 | Landires Nunez, Ivan Eustaquio | 0 | PAN | −8B | +37N | −19B | +28N | −17B | −14N | F | 2.0 | 21.0 | 23.0 | 5.00 | 775 | 0.0 |
| 33 | Madrid Camarena, Emanuel Jose | 0 | PAN | −16N | +38B | −12N | +23B | −15N | −25B | −27N | 2.0 | 21.0 | 22.5 | 4.50 | 1311 | 0.0 |
| 34 | FIDE 6637850 | 0 | — | −5B | −24N | +39B | =31N | F | −23B | =26N | 2.0 | 19.5 | 20.5 | 3.75 | 1304 | 0.0 |
| 35 | FIDE 6637183 | 0 | — | −17B | +40N | −15B | −27N | +37B | −21N | −28B | 2.0 | 19.0 | 19.0 | 2.00 | 739 | 0.0 |
| 36 | FIDE 6639399 | 0 | — | −19B | +26N | −16N | −25B | =38N | =27B | F | 2.0 | 18.5 | 20.0 | 5.25 | 1358 | 0.0 |
| 37 | Camara Lucas, Allen | 0 | PAN | −6N | −32B | −30N | +40B | −35N | +39B | −31B | 2.0 | 15.0 | 15.0 | 1.00 | 978 | 0.0 |
| 38 | FIDE 6636233 | 0 | — | −1B | −33N | −28B | +39N | =36B | −26N | −24B | 1.5 | 19.0 | 20.0 | 2.00 | 847 | 0.0 |
| 39 | FIDE 6634770 | 0 | — | −25N | −10B | −34N | −38B | +40N | −37N | −30B | 1.0 | 15.5 | 15.5 | 0.00 | 767 | 0.0 |
| 40 | FIDE 6634737 | 0 | — | −4N | −35B | −20B | −37N | −39B | −28N | F | 0.0 | 16.0 | 16.0 | 0.00 | 818 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Ramos Ceballos, Jose AndresPAN+50.84.5 pts · #13
- 2Simpson Miranda, Ian AndrePAN+42.45.5 pts · #2
- 3Lopez Santos, Diego AlejandroPAN+34.04.0 pts · #15
Top rating losers
- 1Sosa Baiz, Santiago AlejandroPAN-67.23.0 pts · #37
- 2Jurado Gonzalez, Luis AntonioPAN-40.83.5 pts · #26
- 3Frias Acosta, Lev YassikPAN-34.83.0 pts · #30
Biggest upsets
- R2+194 Elo gap
- R3+187 Elo gap
- R3+167 Elo gap