XXV IRT Hibrido de Las Americas Sub-1800 2025
15 players participated in this 7-round tournament, held from 29 Nov 2025 to 30 Nov 2025 in Guarenas-Porlamar-Guayaquil-Lima, Venezuela. 4 federations represented. Top 10 Elo average was 1639, and top seed was Samuel Alejandro Garate Giron (🇻🇪 VEN, 1722).
Nathan Mintz (🇺🇸 USA, 1712) won with 6.0/7, ahead of Abraham Josue Ezquiel Gonzalez (5.5) and Samuel Alejandro Garate Giron (5.0). Mintz won solo starting round 3.
The biggest upset came in round 3: Wynder Antonio Uztariz Seijas (1530) beat Aranza Noylee Gomez Aponte (1637), a +107-point gap.
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How it unfolded
Top 6 · 7 roundsNathan Mintz led from R3; +0.5-point edge over the runner-up.
Nathan Mintz held the sole lead from R3 through R7 without losing it.
Nathan Mintz drew with Abraham Josue Ezquiel Gonzalez (White).
Nathan Mintz 5 wins (R1–R5)Abraham Josue Ezquiel Gonzalez 3 wins (R3–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Nathan Mintz | * | ½ | 1 | ½ |
| 2Abraham Josue Ezquiel Gonzalez | ½ | * | — | 1 |
| 3Samuel Alejandro Garate Giron | 0 | — | * | 0 |
| 4Nicolas Alexander Roman Robles | ½ | 0 | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mintz, Nathan | 1712 | USA | +11N | +6B | +7N | +5B | +3N | =2B | =4N | 6.0 | 26.0 | 28.5 | 23.50 | 1942 | +66.4 |
| 2 | Ezquiel Gonzalez, Abraham Josue | 1656 | VEN | +12N | −7B | +8N | +10B | +4B | =1N | +5N | 5.5 | 23.5 | 24.5 | 18.50 | 1796 | +43.6 |
| 3 | Garate Giron, Samuel Alejandro | 1722 | VEN | +15B | −4N | +14B | +9N | −1B | +11N | +10N | 5.0 | 19.5 | 20.5 | 10.00 | 1708 | -0.4 |
| 4 | Roman Robles, Nicolas Alexander | 1707 | PER | +8N | +3B | −5N | +7B | −2N | +10B | =1B | 4.5 | 27.0 | 29.5 | 16.50 | 1706 | +3.4 |
| 5 | Apaza Diaz, Santiago Mauricio | 1654 | PER | +13B | =10N | +4B | −1N | +7B | +8N | −2B | 4.5 | 24.5 | 25.5 | 12.75 | 1657 | +18.8 |
| 6 | Gomez Aponte, Aranza Noylee | 1637 | VEN | +14B | −1N | −9B | +12N | =11B | −13N | +15N | 3.5 | 14.5 | 15.5 | 4.25 | 1480 | -24.8 |
| 7 | Vera Arboleda, Gustavo Adolfo | 1700 | ECU | +9B | +2N | −1B | −4N | −5N | F | +8B | 3.0 | 26.5 | 27.5 | 11.50 | 1554 | -38.8 |
| 8 | Castillo Gualoto, Darwin Alejandr | 0 | ECU | −4B | +15N | −2B | +14N | +12B | −5B | −7N | 3.0 | 19.5 | 20.5 | 3.00 | 1387 | 0.0 |
| 9 | Uztariz Seijas, Wynder Antonio | 1530 | VEN | −7N | +12B | +6N | −3B | −10N | F | +13B | 3.0 | 16.0 | 16.0 | 5.50 | 1442 | -11.6 |
| 10 | Sardon Aragon Alejandro Ulysses | 1545 | PER | F | =5B | +13N | −2N | +9B | −4N | −3B | 2.5 | 23.5 | 23.5 | 6.25 | 1475 | -12.5 |
| 11 | Hernandez Perdomo, Ronny Daniel | 1530 | VEN | −1B | −14N | +15B | +13N | =6N | −3B | −12B | 2.5 | 17.5 | 18.5 | 3.75 | 1551 | +2.4 |
| 12 | Diaz Segovia, Ana Maria | 0 | VEN | −2B | −9N | F | −6B | −8N | −15B | +11N | 1.0 | 18.5 | 18.5 | 2.50 | 1314 | 0.0 |
| 13 | Indriago Cedeno, Diego Francisco | 0 | VEN | −5N | F | −10B | −11B | F | +6B | −9N | 1.0 | 17.0 | 17.0 | 3.50 | 1306 | 0.0 |
| 14 | Diaz Panqueva, Emmanuel Sebastian | 0 | VEN | −6N | +11B | −3N | −8B | F | F | F | 1.0 | 17.0 | 17.0 | 2.50 | 1482 | 0.0 |
| 15 | Abarca Giron, Johan | 1525 | PER | −3N | −8B | −11N | F | F | +12N | −6B | 1.0 | 16.0 | 16.0 | 1.00 | 807 | -47.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Mintz, NathanUSA+66.46.0 pts · #1
- 2Ezquiel Gonzalez, Abraham JosueVEN+43.65.5 pts · #4
- 3Apaza Diaz, Santiago MauricioPER+18.84.5 pts · #5
- 1Abarca Giron, JohanPER-47.61.0 pts · #15
- 2Vera Arboleda, Gustavo AdolfoECU-38.83.0 pts · #6
- 3Gomez Aponte, Aranza NoyleeVEN-24.83.5 pts · #7
- R3+107 Elo gap