CChessStats

Sbdcu Closed 2025 (Open)

Open SwissStandard

14 players participated in this 5-round tournament, held from 10 May 2025 to 11 May 2025 in Graaff-Reinet, South Africa. Top 10 Elo average was 1139, and top seed was Ray-Lanche Booysen (πŸ‡ΏπŸ‡¦ RSA, 1725).

Ray-Lanche Booysen (πŸ‡ΏπŸ‡¦ RSA, 1725) won with 4.0/5, ahead of Inga Tshozi (4.0) and Fernando Jonas (3.5). Booysen took the lead from round 3, winning on tie-break.

Location
πŸ‡ΏπŸ‡¦Graaff-Reinet, South Africa
Dates
10 May 2025 β†’ 11 May 2025
Time control
Standard: All Moves in 60 Min. Incr. 2 Sec. / /
System
Swiss Β· 5 rounds
Top seed
πŸ‡ΏπŸ‡¦Ray-Lanche Booysen1725
Avg top 10
1,139
Participants
14
Federations Β· 1 represented
πŸ‡ΏπŸ‡¦South AfricaΓ—13
Top 3
  • πŸ₯‡
    Ray-Lanche Booysen
    πŸ‡ΏπŸ‡¦RSAΒ·1725
    4.0ptsΒ·1793perf+6.6
  • πŸ₯ˆ
    Inga Tshozi
    πŸ‡ΏπŸ‡¦RSAΒ·1655
    4.0ptsΒ·2452perf+20.0
  • πŸ₯‰
    Fernando Jonas
    πŸ‡ΏπŸ‡¦RSAΒ·1594
    3.5ptsΒ·1851perf+26.8

How it unfolded

Top 6 Β· 5 rounds

Tight race until R3; 2 players tied at 4.0/5, decided on Buchholz.

Co-leaders
6
2
1
1
2
1.52.545R1R2R3R4R5
Booysen4Tshozi4Jonas3.5Murambiwa3Ndyova3Doubell3
R3–R5 Β· LEAD HELD

Ray-Lanche Booysen held the sole lead from R3 through R5 without losing it.

R5 Β· TIEBREAK CLUSTER

2 players finish on 4.0/5. Booysen takes the title on Buchholz Cut1 (12.5).

R1–R5 Β· UNBEATEN

Ray-Lanche Booysen went unbeaten across 5 games (R1–R5).

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Ray-Lanche Booysen*β€”
Β½
1
2Inga Tshoziβ€”*β€”
0
3Fernando Jonas
Β½
β€”*
0
4Wellington Murambiwa
0
1
1
*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΞ”
1Booysen, Ray-Lanche1725RSA+6B=8N+5B+4N=3B4.012.515.012.001793+6.6
2Tshozi, Inga1655RSA+9B+12Nβˆ’4B+5N+7B4.010.511.58.502452+20.0
3Jonas, Fernando1594RSA+7Bβˆ’4N+8B+9N=1N3.512.014.09.001851+26.8
4Murambiwa, Wellington0RSAF+3B+2Nβˆ’1B+8N3.014.014.010.0016810.0
5Ndyova, Thanduxolo1688RSA+13N+10Bβˆ’1Nβˆ’2B+9N3.012.013.05.001527-10.0
6Doubell, Jared1565RSAβˆ’1Nβˆ’7B+14N+13B+12N3.08.58.52.001574+0.8
7Vulani, Luthando0RSAβˆ’3N+6N=11B+10Bβˆ’2N2.512.514.05.7515980.0
8Mtetwa, Simphiwe1590RSA+14N=1Bβˆ’3N+12Bβˆ’4B2.511.511.53.001580-1.2
9Cungcu, Olunje0RSAβˆ’2N+14B+10Nβˆ’3Bβˆ’5B2.012.512.52.0015080.0
10Sibengile, Zolani1576RSA+11Bβˆ’5Nβˆ’9Bβˆ’7N+14B2.09.09.01.501537-4.4
11Groves, George0RSAβˆ’10Nβˆ’13B=7N+14BF1.55.55.51.2514990.0
12Selepe, Kabelo0RSAFβˆ’2B+13Nβˆ’8Nβˆ’6B1.010.510.51.008030.0
13FIDE 143722740β€”βˆ’5B+11Nβˆ’12Bβˆ’6NF1.08.58.51.508090.0
14Klassen, Cleaven0RSAβˆ’8Bβˆ’9Nβˆ’6Bβˆ’11Nβˆ’10N0.09.511.00.00777-35.2

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Sbdcu Closed 2025 (Open) β€” Graaff-Reinet, South Africa | Chess Tournament Results | ChessStats