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Zian Booysen

1120155245
Sedibeng (GSV)
Personal
Main rating
Rating 1286
K-factor 36
Floor 878.6
Highest 1383 (2024-11-01)
Min/Max +/- allowed 128
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1186.8
Final +/- 0
New Rating
()
Rating 1286
K-factor 36
Floor 878.6
Highest 1383 (2024-11-01)
Min/Max +/- allowed 127.8
Standard rating
Rating 1275.4
K-factor 36
Floor 873.8
Highest 1373.8 (2025-09-01)
Min/Max +/- allowed 129.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1186.8
Final +/- 0
New Rating
()
Rating 1275.4
K-factor 36
Floor 873.8
Highest 1373.8 (2025-09-01)
Min/Max +/- allowed 129.4
Rapid rating
Rating 1214.7
K-factor 36
Floor 755.4
Highest 1462.5 (2023-06-01)
Min/Max +/- allowed 114.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1214.7
K-factor 36
Floor 755.4
Highest 1462.5 (2023-06-01)
Min/Max +/- allowed 114.1
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
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 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
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 Hoerskool Drie Riviere Chess Open 07 March 2026 (B) Standard 2026-03-07 2026-03-07 Sedibeng (GSV) 5 1348.2 5 1 1000.4 -62.2 Details
2 Gauteng Inter-Region at Emerald Resort 2025 (U14 Candidates) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1367.1 5 2 1280.9 -10.3 Details
3 2025 Gauteng Top Schools Teams (U13) Standard 2025-08-29 2025-08-29 Tshwane (GTP) 5 1368.1 5 3 1368.2 -0.7 Details
4 Laerskool Eligwa Open 20 Sept 2025 (D) Standard 2025-09-20 2025-09-20 Sedibeng (GSV) 5 1368.6 5 3 1357.8 -0.3 Details
5 GDE (D7) Sedibeng East Schools 2025 (U13) Standard 2025-08-02 2025-08-02 Sedibeng (GSV) 5 1307.6 5 5 1660.9 33.9 Details
6 LS Vryheidsmonument Chess Open 21 Jun 2025 (C) Standard 2025-06-21 2025-06-21 Sedibeng (GSV) 5 1340.5 4 1 1106.3 -18.3 Details
7 GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Boys) Standard 2025-05-24 2025-05-24 Sedibeng (GSV) 5 1325.2 5 3 1405.1 8.5 Details
8 HS Overvaal Rapid 12 Apr 2025 (D) Rapid 2025-04-12 2025-04-12 Sedibeng (GSV) 5 1319.3 5 2.5 1358.8 3.3 Details
9 Hoerskool Drie Riviere Open 08 March 2025 (D) Standard 2025-03-08 2025-03-08 Sedibeng (GSV) 5 1315.3 5 3 1330.5 2.3 Details
10 Gauteng Inter-Region at UJ 2024 (U14 Open) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1348.1 5 1 1191.8 -18.2 Details
11 Queens Gambit Chess Open 2024 (C) Standard 2024-11-23 2024-11-23 Sedibeng (GSV) 5 1378.6 5 2 1195.6 -16.9 Details
12 NWU Vaal Chess Open 12 Oct 2024 (D) Standard 2024-10-12 2024-10-12 Sedibeng (GSV) 5 1330.4 5 4 1501.4 16.1 Details
13 Kings Gambit Chess Open 14 Sept 2024 (D) Standard 2024-09-14 2024-09-14 Sedibeng (GSV) 5 1317.3 5 3.5 1468.6 15.4 Details
14 North School Primary Chess Open 2024 (D) Standard 2024-08-31 2024-08-31 Sedibeng (GSV) 5 1317.3 5 2 1225.9 -8.1 Details
15 Sedibeng East D7 Teams Trials 2024 (U13) Standard 2024-08-03 2024-08-03 Sedibeng (GSV) 5 1309.2 5 3 1364.1 4.5 Details
16 Midvaal Winter Classic 13 July 2024 (E) Rapid 2024-07-13 2024-07-13 Sedibeng (GSV) 7 1293 7 4.5 1387.7 9.1 Details
17 Hoerskool Overvaal Chess Open 2024 (D) Standard 2024-04-20 2024-04-20 Sedibeng (GSV) 5 1158.8 5 3 1418.5 24.4 Details
18 Vaalpark Primary Chess Open 2024 (D) Standard 2024-04-13 2024-04-13 Sedibeng (GSV) 5 1158.8 5 3 1423 25.1 Details
19 HS Drie Riviere Chess Open Section 2024 (D) Standard 2024-03-09 2024-03-09 Sedibeng (GSV) 5 1158.8 5 2.5 1203.2 5 Details
20 NG Kerk Vanderbijlpark Suid 2024 (D) Standard 2024-02-24 2024-02-24 Sedibeng (GSV) 5 1185.7 5 1 982.6 -19.4 Details
21 Laerskool Midvaal Chess Open Section 2024 (D) Standard 2024-02-10 2024-02-10 Sedibeng (GSV) 5 1185.7 4 2 1241.7 4.3 Details
22 2024 Gauteng Inter-Region Chess Championship (U14C) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1191.8 4 2 1153 -3.4 Details
23 NWU Vaal Open 2023 (D) Standard 2023-10-14 2023-10-14 Sedibeng (GSV) 5 1249.7 5 2.5 1242.4 -1.3 Details
24 Dr Pieter Hangelbroek Rapid 2023 (C) Rapid 2023-10-28 2023-10-28 Sedibeng (GSV) 5 1249.7 5 0 806 -31 Details
25 Gauteng D7 Teams 2023 (U11) Standard 2023-08-12 2023-08-12 Sedibeng (GSV) 5 1243.1 5 3 1287.2 3.7 Details
26 VaalPark Primary Open Chess 2023 (E) Rapid 2023-06-16 2023-06-16 Sedibeng (GSV) 5 1202.1 5 4 1455 22.6 Details
27 Gauteng Schools D7 2023 (U11 Boys) Standard 2023-05-20 2023-05-20 Sedibeng (GSV) 5 1184.7 5 4 1490.5 30.5 Details
28 Gauteng Schools Individual Finals 2023 (U11 Boys) Standard 2023-05-26 2023-05-26 Ekurhuleni (GE) 5 1200 5 2 1220.5 1.2 Details
29 Gaueng Schools D7 2022 (U11 Boys) Standard 2022-06-04 2022-06-04 Sedibeng (GSV) 5 1200 5 2 1115 -7.6 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 5
Wins 1
Draws 0
Losses 4
White 3
Black 2
White wins 0
Black wins 1
Score 1
Percent 20
Dp -255
AOR 1255.4
Performance 1000.4
Game statistics (History)
Games 144
Wins 72
Draws 5
Losses 67
White 72
Black 72
White wins 31
Black wins 41
Score 74.5
Percent 51.7
Dp 14.8
AOR 1273.3
Performance 1288.1
Rankings (Main)
National
Overall 6774
Gender 5542
Age group 1166
Gender/Age 905
Provincial
Overall 2255
Gender 1853
Age group 397
Gender/Age 303
Regional
Overall 256
Gender 221
Age group 50
Gender/Age 42
Rankings (Standard)
National
Overall 6423
Gender 5189
Age group 1120
Gender/Age 858
Provincial
Overall 2274
Gender 1852
Age group 420
Gender/Age 316
Regional
Overall 255
Gender 216
Age group 51
Gender/Age 40
Rankings (Rapid)
National
Overall 3877
Gender 3061
Age group 825
Gender/Age 625
Provincial
Overall 743
Gender 589
Age group 141
Gender/Age 99
Regional
Overall 148
Gender 122
Age group 37
Gender/Age 30
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 5
Score 1
Percent 20
Aor 1255.4
Dp -255
Prat 1000.4
Performance (12 months)
Games 34
Score 18
Percent 52.9
Aor 1292.4
Dp 25
Prat 1317.4
Performance (History)
Games 144
Score 74.5
Percent 51.7
Aor 1273.3
Dp 14.8
Prat 1288.1
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Motloung, I (Israel) 5 4 1 Hoerskool Overvaal Chess Open 2024 (D) Laerskool Eligwa Open 20 Sept 2025 (D) Details
Overall 2 Blignaut, AA (Alma) 5 3 2 NWU Vaal Open 2023 (D) Hoerskool Drie Riviere Open 08 March 2025 (D) Details
Overall 3 Du Toit, M (Monika) 4 4 0 Laerskool Midvaal Chess Open Section 2024 (D) Midvaal Winter Classic 13 July 2024 (E) Details
Overall 4 Brand, HVN (Hendrik van Niekerk (Henko)) 4 2 2 Gauteng Schools D7 2023 (U11 Boys) GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Boys) Details
Overall 5 Myburgh, V (Vaughn) 4 2 2 NG Kerk Vanderbijlpark Suid 2024 (D) GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Boys) Details
Standard 1 Blignaut, AA (Alma) 5 3 2 NWU Vaal Open 2023 (D) Hoerskool Drie Riviere Open 08 March 2025 (D) Details
Standard 2 Brand, HVN (Hendrik van Niekerk (Henko)) 4 2 2 Gauteng Schools D7 2023 (U11 Boys) GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Boys) Details
Standard 3 Myburgh, V (Vaughn) 4 2 2 NG Kerk Vanderbijlpark Suid 2024 (D) GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U13 Boys) Details
Standard 4 Motloung, I (Israel) 4 3 1 Hoerskool Overvaal Chess Open 2024 (D) Laerskool Eligwa Open 20 Sept 2025 (D) Details
Standard 5 Nagel, A (Abigail) 3 1 2 North School Primary Chess Open 2024 (D) Hoerskool Drie Riviere Open 08 March 2025 (D) Details
Rapid 1 Jonker, C (Corne) 2 1 1 Dr Pieter Hangelbroek Rapid 2023 (C) Midvaal Winter Classic 13 July 2024 (E) Details