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Pieter Bosman

1140321401
Sedibeng (GSV)
Personal
Main rating
Rating 1242.3
K-factor 36
Floor 858.6
Highest 1417.5 (2025-09-30)
Min/Max +/- allowed 122
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1134.4
Final +/- 0
New Rating
()
Rating 1242.3
K-factor 36
Floor 858.6
Highest 1417.5 (2025-09-30)
Min/Max +/- allowed 121.6
Standard rating
Rating 1259.8
K-factor 36
Floor 878.6
Highest 1424.4 (2025-09-30)
Min/Max +/- allowed 120.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1151.4
Final +/- 0
New Rating
()
Rating 1259.8
K-factor 36
Floor 878.6
Highest 1424.4 (2025-09-30)
Min/Max +/- allowed 120.4
Rapid rating
Rating 1199.6
K-factor 36
Floor 700
Highest 1200 (2025-06-01)
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 1199.6
K-factor 36
Floor 700
Highest 1200 (2025-06-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1255.5
K-factor 36
Floor 755.5
Highest 1255.5 (2025-07-01)
Min/Max +/- allowed 153.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1255.5
K-factor 36
Floor 755.5
Highest 1255.5 (2025-07-01)
Min/Max +/- allowed 153.2
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 D7 Sedibeng East Individuals League 2026 (U12+U13 Boys) Standard 2026-05-23 2026-05-23 Sedibeng (GSV) 5 1249.7 4 2 1196.3 -7.4 Details
2 Chess-in-the-Vaal Open 18 April 2026 (E) Standard 2026-04-18 2026-04-18 Sedibeng (GSV) 5 1261.4 5 2 1187.9 -11.7 Details
3 Gauteng Inter-Region at Emerald Resort 2025 (U12 Candidates) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1298 4 1 1046.2 -20.7 Details
4 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Boys) Standard 2025-09-27 2025-09-27 Tshwane (GTP) 5 1417 5 2 1238.6 -16.6 Details
5 2025 Super 8 (Senior) Rapid 2025-09-26 2025-09-26 Ekurhuleni (GE) 7 1417 7 3.5 1238.8 -16.7 Details
6 Sedibeng Chess Open 06 Sept 2025 (E) Standard 2025-09-06 2025-09-06 Sedibeng (GSV) 5 1404.4 5 3 1459.8 4.8 Details
7 GDE (D7) Sedibeng East Schools 2025 (U13) Standard 2025-08-02 2025-08-02 Sedibeng (GSV) 5 1289.7 5 5 1624.2 33.5 Details
8 Eureka Chess Open 26 July 2025 (G) Standard 2025-07-26 2025-07-26 Sedibeng (GSV) 5 1293.1 5 2 1267.2 -1.8 Details
9 HS Driehoek Chess Open 2025 (E) Standard 2025-06-14 2025-06-14 Sedibeng (GSV) 5 1254.5 5 3 1402.6 13.8 Details
10 Vaal Chess Club Blitz Open 31 May 2025 (B) Blitz 2025-05-31 2025-05-31 Sedibeng (GSV) 7 1254.5 7 5 1439.2 7.7 Details
11 GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U11 Boys) Standard 2025-05-24 2025-05-24 Sedibeng (GSV) 5 1200 5 4 1472.3 27.2 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 9
Wins 4
Draws 0
Losses 5
White 4
Black 5
White wins 1
Black wins 3
Score 4
Percent 44.4
Dp -47.2
AOR 1238.9
Performance 1191.6
Game statistics (History)
Games 57
Wins 31
Draws 3
Losses 23
White 25
Black 32
White wins 14
Black wins 17
Score 32.5
Percent 57
Dp 59.6
AOR 1273.3
Performance 1333
Rankings (Main)
National
Overall 9473
Gender 7608
Age group 1567
Gender/Age 1143
Provincial
Overall 3252
Gender 2585
Age group 535
Gender/Age 385
Regional
Overall 388
Gender 321
Age group 74
Gender/Age 56
Rankings (Standard)
National
Overall 7213
Gender 5760
Age group 1150
Gender/Age 830
Provincial
Overall 2602
Gender 2071
Age group 420
Gender/Age 311
Regional
Overall 308
Gender 253
Age group 58
Gender/Age 45
Rankings (Rapid)
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 (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 9
Score 4
Percent 44.4
Aor 1238.9
Dp -47.2
Prat 1191.6
Performance (12 months)
Games 45
Score 23.5
Percent 52.2
Aor 1282.1
Dp 18.9
Prat 1301
Performance (History)
Games 57
Score 32.5
Percent 57
Aor 1273.3
Dp 59.6
Prat 1333
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Nobete, G (Gomolemo) 3 2 1 HS Driehoek Chess Open 2025 (E) Sedibeng Chess Open 06 Sept 2025 (E) Details
Overall 2 Mohokare, R (Rorisang) 2 1 1 Vaal Chess Club Blitz Open 31 May 2025 (B) Eureka Chess Open 26 July 2025 (G) Details
Overall 3 Mehlomakulu, MT (Mpendulo) 2 1 1 GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U11 Boys) Eureka Chess Open 26 July 2025 (G) Details
Overall 4 Du Toit, M (Monika) 2 1 1 HS Driehoek Chess Open 2025 (E) Eureka Chess Open 26 July 2025 (G) Details
Overall 5 Swarts, C (Ciara) 2 1 1 Sedibeng Chess Open 06 Sept 2025 (E) Chess-in-the-Vaal Open 18 April 2026 (E) Details
Standard 1 Nobete, G (Gomolemo) 3 2 1 HS Driehoek Chess Open 2025 (E) Sedibeng Chess Open 06 Sept 2025 (E) Details
Standard 2 Swarts, C (Ciara) 2 1 1 Sedibeng Chess Open 06 Sept 2025 (E) Chess-in-the-Vaal Open 18 April 2026 (E) Details
Standard 3 Conradie, LP (Lianro Pierre) 2 1 1 Eureka Chess Open 26 July 2025 (G) Sedibeng Chess Open 06 Sept 2025 (E) Details
Standard 4 Mehlomakulu, MT (Mpendulo) 2 1 1 GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U11 Boys) Eureka Chess Open 26 July 2025 (G) Details
Standard 5 Du Toit, M (Monika) 2 1 1 HS Driehoek Chess Open 2025 (E) Eureka Chess Open 26 July 2025 (G) Details