Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Pieter Jacobsz

1190332986
West Coast (WCU)
Personal
Main rating
Rating 1299.4
K-factor 36
Floor 831.7
Highest 1331.7 (2026-06-01)
Min/Max +/- allowed 137
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1299.4
K-factor 36
Floor 831.7
Highest 1331.7 (2026-06-01)
Min/Max +/- allowed 137.4
Standard rating
Rating 1237.5
K-factor 36
Floor 737.5
Highest 1237.5 (2026-06-01)
Min/Max +/- allowed 157.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1237.5
K-factor 36
Floor 737.5
Highest 1237.5 (2026-06-01)
Min/Max +/- allowed 157.2
Rapid rating
Rating 1312.9
K-factor 36
Floor 866.4
Highest 1366.4 (2026-03-01)
Min/Max +/- allowed 130.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1312.9
K-factor 36
Floor 866.4
Highest 1366.4 (2026-03-01)
Min/Max +/- allowed 130.8
Blitz rating
Rating 1200
K-factor 40
Floor 700
Highest 1199 (2026-02-26)
Min/Max +/- allowed 166.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 40
Floor 700
Highest 1199 (2026-02-26)
Min/Max +/- allowed 166.1
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Lower West Coast Top Schools 2026 (U9) Rapid 2026-05-30 2026-05-30 West Coast (WCU) 5 1331.7 4 1 1014.7 -32.3 Details
2 2026 WCSC PS Individual Championship (U7 Boys) Standard 2026-05-16 2026-05-17 Overberg (WOS) 6 1330.8 6 3.5 1346.6 1 Details
3 West Coast Schools Prestige Individuals Championships 2026 (U7) Rapid 2026-02-28 2026-03-07 West Coast (WCU) 12 1199.9 12 11 1552.9 130.8 Details
4 Lower West Coast Schools Prestige Individuals Championship 2026 (U9 Girls) Rapid 2026-02-14 2026-02-14 West Coast (WCU) 5 1200 3 1.5 1200.6 -0.5 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 25
Wins 16
Draws 2
Losses 7
White 14
Black 11
White wins 8
Black wins 8
Score 17
Percent 68
Dp 153
AOR 1222
Performance 1375
Game statistics (History)
Games 25
Wins 16
Draws 2
Losses 7
White 14
Black 11
White wins 8
Black wins 8
Score 17
Percent 68
Dp 153
AOR 1222
Performance 1375
Rankings (Main)
National
Overall 6506
Gender 5330
Age group 36
Gender/Age 26
Provincial
Overall 1962
Gender 1525
Age group 19
Gender/Age 14
Regional
Overall 191
Gender 141
Age group 1
Gender/Age 1
Rankings (Standard)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Rapid)
National
Overall 1885
Gender 1572
Age group 8
Gender/Age 6
Provincial
Overall 800
Gender 654
Age group 5
Gender/Age 5
Regional
Overall 165
Gender 121
Age group 1
Gender/Age 1
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 25
Score 17
Percent 68
Aor 1222
Dp 153
Prat 1375
Performance (12 months)
Games 25
Score 17
Percent 68
Aor 1222
Dp 153
Prat 1375
Performance (History)
Games 25
Score 17
Percent 68
Aor 1222
Dp 153
Prat 1375
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Juganan, X (Xavier) 5 3 2 Lower West Coast Schools Prestige Individuals Championship 2026 (U9 Girls) West Coast Schools Prestige Individuals Championships 2026 (U7) Details
Overall 2 Coetzee, K (Kaleb) 4 2 2 West Coast Schools Prestige Individuals Championships 2026 (U7) West Coast Schools Prestige Individuals Championships 2026 (U7) Details
Overall 3 Limert, G (Geo) 4 2 2 West Coast Schools Prestige Individuals Championships 2026 (U7) West Coast Schools Prestige Individuals Championships 2026 (U7) Details
Rapid 1 Juganan, X (Xavier) 5 3 2 Lower West Coast Schools Prestige Individuals Championship 2026 (U9 Girls) West Coast Schools Prestige Individuals Championships 2026 (U7) Details
Rapid 2 Limert, G (Geo) 4 2 2 West Coast Schools Prestige Individuals Championships 2026 (U7) West Coast Schools Prestige Individuals Championships 2026 (U7) Details
Rapid 3 Coetzee, K (Kaleb) 4 2 2 West Coast Schools Prestige Individuals Championships 2026 (U7) West Coast Schools Prestige Individuals Championships 2026 (U7) Details