2025 JMCA Open Chess Tournament (B)
Open SwissStandard
10 players participated in this 5-round tournament, held on 07 Jun 2025 in Pretoria, South Africa. Top 10 Elo average was 1279, and top seed was Memory Mhlongo (🇿🇦 RSA, 1740).
Phafane Nkogatse (🇿🇦 RSA, 1645) won with 4.5/5, ahead of Modupi Malope (3.0) and Oageng Dikane (3.0). Nkogatse won solo starting round 4.
The biggest upset came in round 4: Oageng Dikane (1516) beat Memory Mhlongo (1740), a +224-point gap.
Location
🇿🇦Pretoria, South Africa
Dates
07 Jun 2025
Time control
Standard: All Moves in 55 Min. Incr. 5 Sec. / /
System
Swiss · 5 rounds
Federations · 1 represented
🇿🇦South Africa×10
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsPhafane Nkogatse led from R4; +1.5-point edge over the runner-up.
Co-leaders
3
1
2
1
1
R4 · LEADER CHANGE07 Jun
Phafane Nkogatse takes the sole lead (3.5/4).
R2–R5 · WIN STREAK
Phafane Nkogatse won 4 in a row (R2–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Phafane Nkogatse | * | — | 1 | — |
| 2Oageng Dikane | — | * | — | ½ |
| 3Modupi Malope | 0 | — | * | 1 |
| 4Khutso Maponya | — | ½ | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nkogatse, Phafane | 1645 | RSA | =4N | +8B | +7N | +6B | +2N | 4.5 | 9.0 | 10.5 | 9.25 | 1942 | +58.4 |
| 2 | Malope, Modupi | 1640 | RSA | +10N | +5B | −4N | +7B | −1B | 3.0 | 11.0 | 12.0 | 5.00 | 1607 | +4.0 |
| 3 | Dikane, Oageng | 1516 | RSA | +6N | =7B | =5N | +4B | −9B | 3.0 | 8.5 | 10.0 | 6.50 | 1587 | +14.8 |
| 4 | Mhlongo, Memory | 1740 | RSA | =1B | +10N | +2B | −3N | −5B | 2.5 | 13.0 | 14.0 | 6.25 | 1497 | -52.8 |
| 5 | Maponya, Khutso | 1616 | RSA | F | −2N | =3B | +10B | +4N | 2.5 | 10.0 | 11.0 | 5.00 | 1614 | -0.2 |
| 6 | Mahlobogoane, Katlego | 0 | RSA | −3B | +9B | +8N | −1N | F | 2.0 | 10.5 | 10.5 | 3.00 | 1578 | 0.0 |
| 7 | Kirstein, Tinus Ederich | 1455 | RSA | +8N | =3N | −1B | −2N | F | 1.5 | 12.0 | 12.0 | 3.00 | 1504 | +8.4 |
| 8 | Mathye, Samuel | 1643 | RSA | −7B | −1N | −6B | =9N | +10N | 1.5 | 9.5 | 10.5 | 1.75 | 1263 | -56.8 |
| 9 | Mashele, Ethan | 1537 | RSA | F | −6N | −10B | =8B | +3N | 1.5 | 9.0 | 10.0 | 3.75 | 1773 | +24.4 |
| 10 | Dsouza, Ethan | 0 | RSA | −2B | −4B | +9N | −5N | −8B | 1.0 | 9.5 | 11.0 | 1.50 | 1384 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Nkogatse, PhafaneRSA+58.44.5 pts · #1
- 2Mashele, EthanRSA+24.41.5 pts · #6
- 3Dikane, OagengRSA+14.83.0 pts · #2
Top rating losers
- 1Mathye, SamuelRSA-56.81.5 pts · #10
- 2Mhlongo, MemoryRSA-52.82.5 pts · #8
- 3Maponya, KhutsoRSA-0.22.5 pts · #7
Biggest upsets
- R4+224 Elo gap
- R1+188 Elo gap
- R5+124 Elo gap