CChessStats

SBDCA TRIAL 1 2026 (Open)

Open SwissStandard

10 players participated in this 5-round tournament, held on 17 Jan 2026 in Jeffreys Bay, South Africa. Top 10 Elo average was 1218, and top seed was Petrus Stuurman (🇿🇦 RSA, 1731).

Charles Krieger (🇿🇦 RSA, 1589) won with 4.5/5, ahead of Dominic Powell (4.5) and Petrus Stuurman (3.0). Krieger shared the lead from round 1, winning on tie-break.

The biggest upset came in round 2: Sanmarie Janse Van Rensburg (1457) beat Petrus Stuurman (1731), a +274-point gap.

Location
🇿🇦Jeffreys Bay, South Africa
Dates
17 Jan 2026
Time control
Standard: All Moves in 60 Min. Incr. 2 Sec. / /
System
Swiss · 5 rounds
Top seed
🇿🇦Petrus Stuurman1731
Avg top 10
1,218
Participants
10
Federations · 1 represented
🇿🇦South Africa×10
Top 3

How it unfolded

Top 6 · 5 rounds

Tight 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
4
2
2
2
2
1.52.545R1R2R3R4R5
R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Krieger takes the title on Buchholz Cut1 (11.5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Dominic Powell drew with Charles Krieger (Black).

WIN STREAKS · 2 top finishers

Dominic Powell 3 wins (R1–R3)Charles Krieger 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Dominic Powell*
½
1
2Charles Krieger
½
*
1
3Petrus Stuurman
0
*
1
4Renato Stone
0
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Krieger, Charles1589RSA+9N+5B+6N=2B+4N4.511.512.510.251778+26.4
2Powell, Dominic1612RSA+10B+7N+3B=1N+5B4.511.512.09.751876+45.2
3Stuurman, Petrus1731RSA+4N6B2N+7B+8N3.011.513.06.501558-39.2
4Stone, Renato1446RSA3B+9N+10B+6N1B3.010.511.03.501552+21.2
5Van Gent, Ettienne0RSAF1N+7B+8B2N2.012.512.53.5015290.0
6Janse Van Rensburg, Sanmarie1457RSAF+3N1B4B+9N2.011.511.54.001464-0.4
7Tshikosi, Mashudu1409RSA+8N2B5N3N+10B2.011.011.52.001570+31.6
8Marais, Juan-Pierre1506RSA7B=10N+9B5N3B1.58.08.51.251250-38.4
9GROVE, Jacques0RSA1B4B8N+10N6B1.011.011.50.5012450.0
10Abercrombie, Keith1429RSA2N=8B4N9B7N0.511.012.00.751171-46.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets