XXIII IRT Hibrido de Las Americas Sub-1800 2025 U10
15 players participated in this 7-round tournament, held from 19 Jul 2025 to 20 Jul 2025 in Guarenas-Porlamar-Guayaquil, Venezuela. 2 federations represented. Top 10 Elo average was 606, and top seed was Samuel Chaumer Lopez (🇻🇪 VEN, 1620).
Noah Matias Giron Mata (🇻🇪 VEN, 1427) won with 6.0/7, ahead of Ana Carolina Llivipuma Vera (5.0) and Randy Jeremias Calero Rios (4.0). Giron Mata won solo starting round 4.
The biggest upset came in round 1: Noah Matias Giron Mata (1427) beat Thiago Andres Naula Gonzalez (1538), a +111-point gap.
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How it unfolded
Top 6 · 7 roundsNoah Matias Giron Mata led from R4; +1.0-point edge over the runner-up.
Noah Matias Giron Mata never relinquished the lead after R4; final gap +1.0 over the runner-up.
Noah Matias Giron Mata beat Ana Carolina Llivipuma Vera (Black).
Noah Matias Giron Mata 6 wins (R1–R7)Ana Carolina Llivipuma Vera 4 wins (R4–R7)Amelia Elizabeth Ng Parra 4 wins (R3–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Noah Matias Giron Mata | * | 1 | — | 1 |
| 2Ana Carolina Llivipuma Vera | 0 | * | — | — |
| 3Amelia Elizabeth Ng Parra | — | — | * | — |
| 4Thiago Andres Naula Gonzalez | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Giron Mata, Noah Matias | 1427 | VEN | +4B | +2N | +8B | +?B | +3N | F | +7B | 6.0 | 23.5 | 23.5 | 19.50 | 1569 | 0.0 |
| 2 | Llivipuma Vera, Ana Carolina | 1472 | ECU | +13N | −1B | −6N | +12B | +9B | +10N | +3N | 5.0 | 19.0 | 20.0 | 10.50 | 750 | -15.6 |
| 3 | Calero Rios, Randy Jeremias | 0 | ECU | +10B | −?B | +12N | +9N | −1B | +8N | −2B | 4.0 | 19.5 | 19.5 | 8.50 | 695 | 0.0 |
| 4 | Naula Gonzalez, Thiago Andres | 1538 | ECU | −1N | −12B | +11N | +13N | −7B | +6B | +9N | 4.0 | 18.5 | 19.5 | 8.50 | 2350 | +20.8 |
| 5 | Ng Parra, Amelia Elizabeth | 0 | ECU | F | F | +7N | +8B | +6N | F | +?N | 4.0 | 18.0 | 18.0 | 10.00 | 1574 | 0.0 |
| 6 | Chaumer Lopez, Samuel | 1620 | VEN | +15B | =8N | +2B | −10N | −5B | −4N | +14B | 3.5 | 18.0 | 18.0 | 6.50 | 1506 | -5.2 |
| 7 | Ng Parra, Liam Josue | 0 | ECU | −8N | +15N | −5B | +14B | +4N | =?B | −1N | 3.5 | 17.0 | 17.0 | 4.00 | 1548 | 0.0 |
| 8 | Atiencia Merino, Natalia Estefania | 0 | ECU | +7B | =6B | −1N | −5N | +13B | −3B | =12N | 3.0 | 22.5 | 23.5 | 7.00 | 1550 | 0.0 |
| 9 | Ochoa Sanchez, Amalia Paulette | 0 | ECU | +14B | F | −?N | −3B | −2N | +13N | −4B | 2.0 | 18.0 | 18.0 | 1.00 | 709 | 0.0 |
| 10 | Romero Ayon, Mila Martina | 0 | ECU | −3N | F | +13B | +6B | −?N | −2B | −11N | 2.0 | 15.5 | 15.5 | 4.50 | 1388 | 0.0 |
| 11 | Catagua Ocana, Amaia Daniela | 0 | ECU | F | F | −4B | F | +14N | F | +10B | 2.0 | 7.5 | 7.5 | 2.00 | 739 | 0.0 |
| 12 | Hernandez Rojas, Ezequiel Josue | 0 | VEN | −?N | +4N | −3B | −2N | F | F | =8B | 1.5 | 18.0 | 18.0 | 5.50 | 1384 | 0.0 |
| 13 | FIDE 3668118 | 0 | — | −2B | +14N | −10N | −4B | −8N | −9B | F | 1.0 | 16.0 | 16.0 | 0.00 | 706 | 0.0 |
| 14 | FIDE 23925655 | 0 | — | −9N | −13B | F | −7N | −11B | F | −6N | 0.0 | 12.0 | 12.0 | 0.00 | 750 | 0.0 |
| 15 | FIDE 23901250 | 0 | — | −6N | −7B | F | F | F | F | F | 0.0 | 7.0 | 7.0 | 0.00 | 750 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Naula Gonzalez, Thiago AndresECU+20.84.0 pts · #7
- 2Atiencia Merino, Natalia EstefaniaECU0.03.0 pts · #8
- 3Ng Parra, Liam JosueECU0.03.5 pts · #3
- 1Llivipuma Vera, Ana CarolinaECU-15.65.0 pts · #14
- 2Chaumer Lopez, SamuelVEN-5.23.5 pts · #4
- 3Ng Parra, Liam JosueECU0.03.5 pts · #3
- R1+111 Elo gap