2025 December 954Chess FIDE Forum - U1900
19 players participated in this 5-round tournament, held from 19 Dec 2025 to 21 Dec 2025 in Coral Springs, FL, United States. 3 federations represented. Top 10 Elo average was 1743, and top seed was Henry Alexander Miranda (🇺🇸 USA, 1869).
Yaseen Osman (🇺🇸 USA, 1777) won with 4.5/5, ahead of Quan Tanksley (4.5) and Ricardo Bigorra (3.5). Osman shared the lead from round 3, winning on tie-break.
The biggest upset came in round 4: Vidal Samuel Noguera Villalba (1453) beat Daniel Valdes (1645), a +192-point gap.
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How it unfolded
Top 6 · 5 roundsTight race until R5; 2 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
2 players finish on 4.5/5. Osman takes the title on Buchholz Cut1 (12.5).
Yaseen Osman drew with Quan Tanksley (White).
Yaseen Osman 3 wins (R3–R5)Quan Tanksley 3 wins (R3–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Yaseen Osman | * | ½ | — | — |
| 2Quan Tanksley | ½ | * | — | — |
| 3Ricardo Bigorra | — | — | * | — |
| 4Richard Liu | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Osman, Yaseen | 1777 | USA | +16N | =2B | +9N | +8B | +4N | 4.5 | 12.5 | 13.5 | 11.25 | 2052 | +55.2 |
| 2 | Tanksley, Quan | 1756 | USA | +13B | =1N | +14B | +6N | +8B | 4.5 | 11.5 | 13.0 | 10.75 | 2104 | +31.2 |
| 3 | Bigorra, Ricardo | 1812 | USA | +10B | −6N | =13B | +14N | +7B | 3.5 | 9.5 | 11.0 | 7.50 | 1773 | -4.0 |
| 4 | Pelen, Abdullah Yusuf | 1610 | TUR | =15N | +17B | +7N | =10B | −1B | 3.0 | 11.0 | 12.0 | 5.50 | 1518 | -8.4 |
| 5 | Liu, Richard | 1745 | USA | F | −7B | +15N | +17B | +10N | 3.0 | 7.5 | 7.5 | 5.00 | 2445 | +14.4 |
| 6 | Miranda, Henry Alexander | 1869 | USA | +11N | +3B | =8N | −2B | F | 2.5 | 13.0 | 13.0 | 7.25 | 1856 | -3.6 |
| 7 | Alluri, Srikara | 0 | USA | =9B | +5N | −4B | +16N | −3N | 2.5 | 12.0 | 13.0 | 5.25 | 1696 | 0.0 |
| 8 | Datta, Riyaan | 1752 | USA | +19B | +18N | =6B | −1N | −2N | 2.5 | 11.5 | 11.5 | 1.25 | 1674 | -17.6 |
| 9 | Tisminezky, Tavi | 1643 | USA | =7N | +15B | −1B | =13N | =14B | 2.5 | 10.5 | 12.0 | 4.50 | 1699 | +10.4 |
| 10 | Kattakindi, Aadyav | 0 | USA | −3N | +19N | +18B | =4N | −5B | 2.5 | 9.5 | 9.5 | 1.50 | 1613 | 0.0 |
| 11 | Mintz, Nathan | 1712 | USA | −6B | =12N | −17N | +18B | +13B | 2.5 | 8.0 | 8.0 | 3.25 | 1469 | -25.2 |
| 12 | Noguera Villalba, Vidal Samuel | 1453 | PAR | −14N | =11B | −16N | +15B | +17N | 2.5 | 6.5 | 7.5 | 3.75 | 1595 | +26.0 |
| 13 | Meadors, Christian | 0 | USA | −2N | +16B | =3N | =9B | −11N | 2.0 | 13.0 | 14.0 | 4.00 | 1650 | 0.0 |
| 14 | Jackson, Isaac | 1676 | USA | +12B | F | −2N | −3B | =9N | 1.5 | 13.0 | 13.0 | 3.75 | 1577 | -22.0 |
| 15 | Valdes, Daniel | 1645 | USA | =4B | −9N | −5B | −12N | +18N | 1.5 | 11.0 | 11.0 | 1.50 | 1288 | -33.6 |
| 16 | Yisrael, Shalam | 1684 | USA | −1B | −13N | +12B | −7B | F | 1.0 | 11.5 | 11.5 | 2.50 | 1616 | -6.4 |
| 17 | Abiri, Sagi | 0 | USA | F | −4N | +11B | −5N | −12B | 1.0 | 11.0 | 11.0 | 2.50 | 1439 | 0.0 |
| 18 | FIDE 39985652 | 0 | — | F | −8B | −10N | −11N | −15B | 0.0 | 9.0 | 9.0 | 0.00 | 906 | 0.0 |
| 19 | Kolcz, Matthew Edward | 1640 | USA | −8N | −10B | F | F | F | 0.0 | 5.0 | 5.0 | 0.00 | 951 | -14.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Osman, YaseenUSA+55.24.5 pts · #1
- 2Tanksley, QuanUSA+31.24.5 pts · #2
- 3Noguera Villalba, Vidal SamuelPAR+26.02.5 pts · #10
- 1Valdes, DanielUSA-33.61.5 pts · #17
- 2Mintz, NathanUSA-25.22.5 pts · #16
- 3Jackson, IsaacUSA-22.01.5 pts · #7
- R4+192 Elo gap
- R4+113 Elo gap