CChessStats

Onrus Manor Open Swiss (August 2025)

Open SwissStandard

7 players participated in this 5-round tournament, held from 09 Aug 2025 to 10 Aug 2025 in Hermanus, South Africa. Top 10 Elo average was 727, and top seed was Andrew M. Southey (🇿🇦 RSA, 1752).

Connor Gavin Opperman (🇿🇦 RSA, 1704) won with 5.0/5, ahead of Andrew M. Southey (3.0) and Erick Laubscher (3.0). Opperman won solo starting round 3.

The biggest upset came in round 4: Erick Laubscher (1632) beat Andrew M. Southey (1752), a +120-point gap.

Location
🇿🇦Hermanus, South Africa
Dates
09 Aug 2025 → 10 Aug 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇿🇦Andrew M. Southey1752
Avg top 10
727
Participants
7
Federations · 1 represented
🇿🇦South Africa×4
Top 3

How it unfolded

Top 6 · 5 rounds

Connor Gavin Opperman led from R3; +2.0-point edge over the runner-up.

Co-leaders
4
2
1
1
1
1.52.545R1R2R3R4R5
Opperman5Jayiya3Laubscher3Southey322
R3–R5 · LEAD HELD

Connor Gavin Opperman never relinquished the lead after R3; final gap +2.0 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Connor Gavin Opperman beat Lihle Jayiya (Black).

R1–R5 · WIN STREAK

Connor Gavin Opperman won 5 in a row (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Connor Gavin Opperman*
1
1
1
2Lihle Jayiya
0
*
1
0
3Erick Laubscher
0
0
*
1
4Andrew M. Southey
0
1
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Opperman, Connor Gavin1704RSA+5B+3N+2B+4N+7B5.011.012.012.002492+38.8
2Southey, Andrew M.1752RSA+6N+4B−1N−3B+5N3.013.015.07.00867-24.6
3Laubscher, Erick1632RSA+7N−1B+6N+2N−4B3.013.014.06.001728+10.4
4Jayiya, Lihle0RSA+?B−2N+5B−1B+3N3.013.013.05.0015700.0
5FIDE 5340299070—−1N+7B−4N+?B−2B2.012.012.01.009280.0
6FIDE 5340298930—−2B+?N−3B+7NF2.07.07.01.008920.0
7FIDE 143926580—−3B−5N+?B−6B−1N1.012.012.00.008670.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets