Moja Chess Extravaganza 2026 (U18)
Open SwissStandard
14 players participated in this 5-round tournament, held from 25 Apr 2026 to 26 Apr 2026 in Cape Town, South Africa. Top 10 Elo average was 1293, and top seed was Benjamin Dubbeld (🇿🇦 RSA, 1664).
Benjamin Dubbeld (🇿🇦 RSA, 1664) won with 4.5/5, ahead of Cashlin Mackinna (4.5) and Tristan Jonkers (3.0). Dubbeld shared the lead from round 1, winning on tie-break.
Location
🇿🇦Cape Town, South Africa
Dates
25 Apr 2026 → 26 Apr 2026
Time control
Standard: All Moves in 60 Min. Incr. 2 Sec. / /
System
Swiss · 5 rounds
Federations · 1 represented
🇿🇦South Africa×10
Top 3
- 🥇
- 🥈
- 🥉
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.
Co-leaders
6
3
2
2
2
R5 · TIEBREAK CLUSTER
2 players finish on 4.5/5. Dubbeld takes the title on Buchholz Cut1 (12.5).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Cashlin Mackinna drew with Benjamin Dubbeld (White).
WIN STREAKS · 2 top finishers
Cashlin Mackinna 3 wins (R1–R3)Benjamin Dubbeld 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Cashlin Mackinna | * | ½ | — | 1 |
| 2Benjamin Dubbeld | ½ | * | — | 1 |
| 3Izaiah Solomon | — | — | * | 0 |
| 4Tristan Jonkers | 0 | 0 | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Dubbeld, Benjamin | 1664 | RSA | +5B | +11N | +9B | =2N | +3B | 4.5 | 12.5 | 14.0 | 11.75 | 1932 | +45.2 |
| 2 | Mackinna, Cashlin | 1560 | RSA | +12B | +6N | +3B | =1B | +9N | 4.5 | 12.0 | 13.5 | 11.25 | 1949 | +71.6 |
| 3 | Jonkers, Tristan | 1591 | RSA | +14B | +4N | −2N | +11B | −1N | 3.0 | 13.5 | 14.0 | 5.00 | 1622 | +6.8 |
| 4 | Solomon, Izaiah | 1650 | RSA | +7N | −3B | =6B | +8N | =11N | 3.0 | 10.5 | 12.0 | 7.00 | 1610 | -9.2 |
| 5 | FIDE 534049320 | 0 | — | −1N | +13B | +12N | −9B | +7N | 3.0 | 10.5 | 11.5 | 5.00 | 840 | 0.0 |
| 6 | Rosenberg, Wagheed | 1579 | RSA | +13B | −2B | =4N | −7B | +10N | 2.5 | 12.0 | 13.0 | 4.50 | 1413 | -17.2 |
| 7 | Calitz, Zandre | 0 | RSA | −4B | +14N | =8B | +6N | −5B | 2.5 | 11.0 | 11.5 | 4.25 | 1628 | 0.0 |
| 8 | Shen Yu, Frank | 1654 | RSA | −10N | +12B | =7N | −4B | +14N | 2.5 | 9.0 | 9.5 | 3.25 | 852 | -20.0 |
| 9 | Hagan, Bianca | 1618 | RSA | F | +10B | −1N | +5N | −2B | 2.0 | 14.0 | 14.0 | 5.00 | 811 | -40.8 |
| 10 | Adriaanse, Jordan | 0 | RSA | +8B | −9N | −11B | +13N | −6B | 2.0 | 8.5 | 9.5 | 3.50 | 1424 | 0.0 |
| 11 | Mavayi, Usindiso | 1615 | RSA | F | −1B | +10N | −3N | =4B | 1.5 | 12.5 | 12.5 | 3.50 | 1362 | -36.4 |
| 12 | FIDE 534049312 | 0 | — | −2N | −8N | −5B | =14N | +13B | 1.5 | 11.0 | 11.5 | 1.25 | 807 | 0.0 |
| 13 | FIDE 534049347 | 0 | — | −6N | −5N | +14B | −10B | −12N | 1.0 | 9.0 | 9.5 | 0.50 | 779 | 0.0 |
| 14 | FIDE 534049355 | 0 | — | −3N | −7B | −13N | =12B | −8B | 0.5 | 9.5 | 10.5 | 0.75 | 823 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Mackinna, CashlinRSA+71.64.5 pts · #1
- 2Dubbeld, BenjaminRSA+45.24.5 pts · #2
- 3Jonkers, TristanRSA+6.83.0 pts · #4
Top rating losers
- 1Hagan, BiancaRSA-40.82.0 pts · #9
- 2Mavayi, UsindisoRSA-36.41.5 pts · #8
- 3Shen Yu, FrankRSA-20.02.5 pts · #12