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

PLAYER PAGE

Pieter Jacobsz

1190332986
West Coast (WCU)
Personal
Main rating
Rating 1169.5
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 967.6
Final +/- 0
New Rating
()
Rating 1169.5
K-factor 36
Floor 831.7
Highest 1331.7 (2026-06-01)
Min/Max +/- allowed 137.4
Standard rating
Rating 1214.1
K-factor 36
Floor 752.5
Highest 1252.5 (2026-09-01)
Min/Max +/- allowed 153.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1214.1
K-factor 36
Floor 752.5
Highest 1252.5 (2026-09-01)
Min/Max +/- allowed 153.9
Rapid rating
Rating 1132.4
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 1132.4
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 Western Cape - Top Schools 2026 (U7 Mix) Standard 2026-09-05 2026-09-06 Cape Winelands (WCW) 6 1248.4 5 1 1090.1 -27.2 Details
2 Rooibos Open 2026 (U8-U12) Rapid 2026-08-29 2026-08-29 West Coast (WCU) 5 1248.4 4 0 783.9 -51.6 Details
3 Western Cape Women's Championship 2026 (U8) Standard 2026-08-08 2026-08-08 West Coast (WCU) 5 1248.4 5 2.5 1267.3 -4.3 Details
4 Western Cape Schools - Kings and Queens 2026 (Kings) Rapid 2026-08-15 2026-08-15 Cape Winelands (WCW) 6 1248.4 6 0 1007.3 -46.7 Details
5 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
6 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
7 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
8 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 45
Wins 19
Draws 3
Losses 23
White 24
Black 21
White wins 10
Black wins 9
Score 20.5
Percent 45.6
Dp -37.8
AOR 1267.6
Performance 1229.8
Game statistics (History)
Games 45
Wins 19
Draws 3
Losses 23
White 24
Black 21
White wins 10
Black wins 9
Score 20.5
Percent 45.6
Dp -37.8
AOR 1267.6
Performance 1229.8
Rankings (Main)
National
Overall 15206
Gender 11644
Age group 136
Gender/Age 99
Provincial
Overall 4513
Gender 3382
Age group 63
Gender/Age 43
Regional
Overall 531
Gender 387
Age group 4
Gender/Age 3
Rankings (Standard)
National
Overall 8963
Gender 6959
Age group 81
Gender/Age 60
Provincial
Overall 2597
Gender 1921
Age group 43
Gender/Age 30
Regional
Overall 202
Gender 137
Age group 2
Gender/Age 1
Rankings (Rapid)
National
Overall 5899
Gender 4440
Age group 61
Gender/Age 43
Provincial
Overall 2267
Gender 1648
Age group 28
Gender/Age 19
Regional
Overall 475
Gender 330
Age group 4
Gender/Age 3
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 45
Score 20.5
Percent 45.6
Aor 1267.6
Dp -37.8
Prat 1229.8
Performance (12 months)
Games 45
Score 20.5
Percent 45.6
Aor 1267.6
Dp -37.8
Prat 1229.8
Performance (History)
Games 45
Score 20.5
Percent 45.6
Aor 1267.6
Dp -37.8
Prat 1229.8
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 Limert, G (Geo) 4 2 2 West Coast Schools Prestige Individuals Championships 2026 (U7) West Coast Schools Prestige Individuals Championships 2026 (U7) Details
Overall 3 Coetzee, K (Kaleb) 4 2 2 West Coast Schools Prestige Individuals Championships 2026 (U7) West Coast Schools Prestige Individuals Championships 2026 (U7) Details
Overall 4 Louw, A (Adriaan) 3 1 2 Western Cape Schools - Kings and Queens 2026 (Kings) Western Cape - Top Schools 2026 (U7 Mix) Details
Overall 5 Terblanche, T (Tiaan) 2 1 1 Western Cape Schools - Kings and Queens 2026 (Kings) Western Cape Schools - Kings and Queens 2026 (Kings) Details
Standard 1 Gioia, G (Gabriele) 2 2 0 2026 WCSC PS Individual Championship (U7 Boys) Western Cape - Top Schools 2026 (U7 Mix) 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
Rapid 4 Terblanche, T (Tiaan) 2 1 1 Western Cape Schools - Kings and Queens 2026 (Kings) Western Cape Schools - Kings and Queens 2026 (Kings) Details
Rapid 5 Edons, E (Elijah) 2 1 1 Western Cape Schools - Kings and Queens 2026 (Kings) Western Cape Schools - Kings and Queens 2026 (Kings) Details