Sbdcu Closed 2025 (U18)
Open SwissStandard
17 players participated in this 6-round tournament, held from 10 May 2025 to 11 May 2025 in Graaff-Reinet, South Africa. Top 10 Elo average was 618, and top seed was Brian Krieger (🇿🇦 RSA, 1679).
Dominic Powell (🇿🇦 RSA, 1525) won with 5.5/6, ahead of Anam Sobayeni (4.5) and Stephan Vorster (4.0). Powell shared the lead from round 4 and won solo starting round 5.
The biggest upset came in round 5: Dominic Powell (1525) beat Brian Krieger (1679), a +154-point gap.
Location
🇿🇦Graaff-Reinet, South Africa
Dates
10 May 2025 → 11 May 2025
Time control
Standard: All Moves in 60 Min. Incr. 2 Sec. / /
System
Swiss · 6 rounds
Federations · 1 represented
🇿🇦South Africa×7
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsDominic Powell led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
3
2
1
2
1
1
R5 · LEADER CHANGE10 May
Dominic Powell takes the sole lead (4.5/5).
WIN STREAKS · 2 top finishers
Dominic Powell 3 wins (R4–R6)Anam Sobayeni 4 wins (R2–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Dominic Powell | * | — | — | — |
| 2Anam Sobayeni | — | * | ½ | — |
| 3Stephan Vorster | — | ½ | * | ½ |
| 4FIDE 14392143 | — | — | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Powell, Dominic | 1525 | RSA | +13N | +10B | =7N | +4B | +6N | +9B | 5.5 | 15.5 | 17.5 | 16.00 | 1778 | +34.0 |
| 2 | Sobayeni, Anam | 0 | RSA | F | +?B | +?N | +14N | +11B | =3N | 4.5 | 7.0 | 7.0 | 5.00 | 1496 | 0.0 |
| 3 | Vorster, Stephan | 0 | RSA | =?N | =7B | +13N | =5B | +15N | =2B | 4.0 | 14.5 | 14.5 | 8.75 | 1501 | 0.0 |
| 4 | FIDE 14392160 | 0 | — | F | +12N | +17B | −1N | +10B | +8N | 4.0 | 12.5 | 12.5 | 7.00 | 653 | 0.0 |
| 5 | FIDE 14392143 | 0 | — | F | +?N | +?B | =3N | +14B | =11N | 4.0 | 9.0 | 9.0 | 4.00 | 1476 | 0.0 |
| 6 | Krieger, Brian | 1679 | RSA | +12B | +17N | +14B | =11N | −1B | F | 3.5 | 13.5 | 13.5 | 4.00 | 1272 | -41.2 |
| 7 | Theunissen, Andrew | 1498 | RSA | +15B | =3N | =1B | −8N | +16N | F | 3.0 | 17.0 | 18.0 | 6.75 | 1453 | -2.8 |
| 8 | FIDE 14398664 | 0 | — | F | +?B | +10N | +7B | −9N | −4B | 3.0 | 12.0 | 12.0 | 5.00 | 1521 | 0.0 |
| 9 | FIDE 534015833 | 0 | — | F | F | +15N | +16B | +8B | −1N | 3.0 | 10.5 | 10.5 | 5.00 | 653 | 0.0 |
| 10 | FIDE 534002472 | 0 | — | F | −1N | −8B | +?N | −4N | +12B | 2.0 | 18.5 | 18.5 | 2.00 | 653 | 0.0 |
| 11 | Fourie, Neelon | 1476 | RSA | F | F | +16N | =6B | −2N | =5B | 2.0 | 13.0 | 13.0 | 4.75 | 1669 | +10.0 |
| 12 | Mostert, Michyle | 0 | RSA | −6N | −4B | −?B | +?N | +?B | −10N | 2.0 | 9.5 | 9.5 | 0.00 | 869 | 0.0 |
| 13 | FIDE 534015671 | 0 | — | −1B | =?N | −3B | +?N | =?B | −?N | 2.0 | 9.5 | 9.5 | 0.00 | 653 | 0.0 |
| 14 | FIDE 534014829 | 0 | — | F | F | −6N | −2B | −5N | +16B | 1.0 | 13.0 | 13.0 | 1.00 | 869 | 0.0 |
| 15 | FIDE 14398850 | 0 | — | −7N | F | −9B | +?N | −3B | −?N | 1.0 | 10.0 | 10.0 | 0.00 | 701 | 0.0 |
| 16 | FIDE 534014799 | 0 | — | F | +?N | −11B | −9N | −7B | −14N | 1.0 | 9.0 | 9.0 | 0.00 | 689 | 0.0 |
| 17 | FIDE 534014764 | 0 | — | F | −6B | −4N | −?B | −?B | −?N | 0.0 | 10.5 | 10.5 | 0.00 | 869 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Powell, DominicRSA+34.05.5 pts · #1
- 2Fourie, NeelonRSA+10.02.0 pts · #5
- 3FIDE 143921430.04.0 pts · #8
Top rating losers
- 1Krieger, BrianRSA-41.23.5 pts · #4
- 2Theunissen, AndrewRSA-2.83.0 pts · #7
- 3FIDE 143921430.04.0 pts · #8
Biggest upsets
- R5+154 Elo gap