Juegos Deportivos Nacionales Eliminatorias 2025 Z2 U12 Equipos Absoluto
Team SwissStandard
49 players participated in this 7-round tournament, held from 30 Aug 2025 to 31 Aug 2025 in Heredia, Costa Rica. Top 10 Elo average was 1493, and top seed was Diego Jimenez Gamboa (🇨🇷 CRC, 1719).
David Gabriel Orna Chaves (🇨🇷 CRC, 1465) won with 7.0/7, ahead of Carlos Humberto Chacon Barboza (6.5) and Emanuel Isaac Villalta Pizarro (6.0). Orna Chaves won solo starting round 6.
The biggest upset came in round 5: David Gabriel Orna Chaves (1465) beat Diego Jimenez Gamboa (1719), a +254-point gap.
Location
🇨🇷Heredia, Costa Rica
Dates
30 Aug 2025 → 31 Aug 2025
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Team · 7 rounds
Federations · 1 represented
🇨🇷Costa Rica×30
Top 3
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- 🥈
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Standings
Click row to expand · Cmd+click name for new tab
| # | Player | Fed | Elo | Pts | Avg opp. | Perf | Δ Elo |
|---|---|---|---|---|---|---|---|
| 3 | Orna Chaves, David Gabriel | 🇨🇷CRC | 1465 | 7.0 | 1575 | 2375 | +50.4 |
| 1 | Chacon Barboza, Carlos Humberto | 🇨🇷CRC | 1431 | 6.5 | 1497 | 2297 | +47.2 |
| 44 | Villalta Pizarro, Emanuel Isaac | 🇨🇷CRC | 0 | 6.0 | 1433 | 633 | 0.0 |
| 4 | Leiva Coto, Isaac Antonio | 🇨🇷CRC | 1502 | 5.5 | 1483 | 1483 | +2.4 |
| 11 | Jimenez Gamboa, Diego | 🇨🇷CRC | 1719 | 5.5 | 1448 | 1448 | -26.4 |
| 13 | Lacayo Kolyzhikhin, Ivan | 🇨🇷CRC | 0 | 5.5 | 1512 | 1512 | 0.0 |
| 5 | Yepes Ramirez, Tomas Javier | 🇨🇷CRC | 0 | 5.0 | 1462 | 1462 | 0.0 |
| 37 | Quiros Zuniga, Felipe Andres | 🇨🇷CRC | 1526 | 5.0 | 1435 | 635 | -25.2 |
| 46 | Gonzalez Arguedas, Gabriel | 🇨🇷CRC | 1409 | 5.0 | 1512 | 712 | -14.4 |
| 6 | Berzosa Madriz, Hector Julian | 🇨🇷CRC | 1456 | 5.0 | 1527 | 2327 | +25.2 |
| 10 | Ovalles Guerrero, Diego | 🇨🇷CRC | 0 | 5.0 | 1447 | 1447 | 0.0 |
| 23 | Labera Montoya, Ian | 🇨🇷CRC | 0 | 5.0 | 1433 | 633 | 0.0 |
| 36 | FIDE 6567908 | — | 0 | 5.0 | 1720 | 920 | 0.0 |
| 9 | FIDE 6569030 | — | 0 | 5.0 | 1527 | 1547 | 0.0 |
| 24 | Fernandez Alvarado, Jared Saul | 🇨🇷CRC | 1428 | 4.5 | 1594 | 794 | -24.0 |
| 26 | FIDE 6534775 | — | 0 | 4.5 | 1594 | 794 | 0.0 |
| 8 | Orna Chaves, Alejandro Jesus | 🇨🇷CRC | 0 | 4.5 | 1481 | 1481 | 0.0 |
| 18 | Marwaha, Atharv | 🇨🇷CRC | 0 | 4.5 | 1435 | 1435 | 0.0 |
| 17 | Villalobos Garcia, Fabricio | 🇨🇷CRC | 0 | 4.5 | 1512 | 1512 | 0.0 |
| 25 | FIDE 6569935 | — | 0 | 4.5 | 1533 | 733 | 0.0 |
| 30 | FIDE 6563660 | — | 0 | 4.5 | 1533 | 733 | 0.0 |
| 28 | Soto Sanchez, Eduardo | 🇨🇷CRC | 1533 | 4.0 | 1447 | 647 | -49.6 |
| 7 | Romero Pereira, Thomas David | 🇨🇷CRC | 1463 | 4.0 | 1412 | 2212 | +14.4 |
| 12 | Viera Jara, Marcelo Emmanuel | 🇨🇷CRC | 0 | 4.0 | 1475 | 1350 | 0.0 |
| 2 | Chaves Rivera, Dominic Gael | 🇨🇷CRC | 0 | 4.0 | 1462 | 1502 | 0.0 |
| 33 | Guadamuz Murillo, Sebastian | 🇨🇷CRC | 0 | 4.0 | 1460 | 660 | 0.0 |
| 14 | Vargas Viquez, Santiago | 🇨🇷CRC | 0 | 4.0 | 1481 | 1288 | 0.0 |
| 35 | FIDE 6572367 | — | 0 | 4.0 | 1448 | 648 | 0.0 |
| 47 | Aldana Cardenas, Samuel David | 🇨🇷CRC | 0 | 4.0 | 1533 | 733 | 0.0 |
| 42 | Castillo Mendez, Anthony Alberto | 🇨🇷CRC | 0 | 4.0 | 1412 | 612 | 0.0 |
| 20 | FIDE 6565107 | — | 0 | 4.0 | 1527 | 727 | 0.0 |
| 29 | FIDE 6564623 | — | 0 | 4.0 | 1429 | 629 | 0.0 |
| 16 | Garrido Colina, Gerardo Antonio | 🇨🇷CRC | 0 | 3.5 | 1429 | 1429 | 0.0 |
| 31 | FIDE 6576931 | — | 0 | 3.5 | 1512 | 712 | 0.0 |
| 32 | Loria Schnitzler, Marcelo | 🇨🇷CRC | 0 | 3.0 | 1460 | 660 | 0.0 |
| 40 | FIDE 6560458 | — | 0 | 3.0 | 1467 | 667 | 0.0 |
| 22 | FIDE 6576982 | — | 0 | 3.0 | 1412 | 612 | 0.0 |
| 48 | FIDE 6569960 | — | 0 | 3.0 | 1527 | 727 | 0.0 |
| 15 | Garcia Mendez, Julian | 🇨🇷CRC | 0 | 2.5 | 1594 | 1401 | 0.0 |
| 43 | Acuna Porras, Fabio | 🇨🇷CRC | 0 | 2.5 | 1475 | 675 | 0.0 |
| 41 | Chaves Solano, Alonso | 🇨🇷CRC | 0 | 2.0 | 1539 | 739 | 0.0 |
| 45 | Segura Boza, Noah Benjamin | 🇨🇷CRC | 0 | 2.0 | 1435 | 635 | 0.0 |
| 49 | FIDE 6567266 | — | 0 | 2.0 | 1481 | 681 | 0.0 |
| 27 | FIDE 6573770 | — | 0 | 2.0 | 1512 | 712 | 0.0 |
| 34 | FIDE 6567215 | — | 0 | 2.0 | 1412 | 612 | 0.0 |
| 39 | FIDE 6570453 | — | 0 | 2.0 | 1429 | 629 | 0.0 |
| 19 | FIDE 6566707 | — | 0 | 1.0 | 1412 | 612 | 0.0 |
| 21 | FIDE 6576940 | — | 0 | 1.0 | 1720 | 920 | 0.0 |
| 38 | FIDE 6576907 | — | 0 | 0.0 | 1435 | 635 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Orna Chaves, David GabrielCRC+50.47.0 pts · #3
- 2Chacon Barboza, Carlos HumbertoCRC+47.26.5 pts · #1
- 3Berzosa Madriz, Hector JulianCRC+25.25.0 pts · #6
Top rating losers
- 1Soto Sanchez, EduardoCRC-49.64.0 pts · #28
- 2Jimenez Gamboa, DiegoCRC-26.45.5 pts · #11
- 3Quiros Zuniga, Felipe AndresCRC-25.25.0 pts · #37
Biggest upsets
- R5+254 Elo gap
- R3+102 Elo gap