PLAYER PAGE

Nathan Dean Bosman

1160159457
Sedibeng (GSV)
Personal
Main rating
Rating 1421
K-factor 32
Floor 921
Highest 1421 (2026-06-01)
Min/Max +/- allowed 121
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1417.8
Final +/- 0
New Rating
()
Rating 1421
K-factor 32
Floor 921
Highest 1421 (2026-06-01)
Min/Max +/- allowed 121
Standard rating
Rating 1421
K-factor 32
Floor 921
Highest 1421 (2026-06-01)
Min/Max +/- allowed 121
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1417.8
Final +/- 0
New Rating
()
Rating 1421
K-factor 32
Floor 921
Highest 1421 (2026-06-01)
Min/Max +/- allowed 121
Rapid rating
Rating 1197.8
K-factor 36
Floor 703.6
Highest 1203.6 (2024-12-01)
Min/Max +/- allowed 165
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1197.8
K-factor 36
Floor 703.6
Highest 1203.6 (2024-12-01)
Min/Max +/- allowed 165
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 D7 Sedibeng East Individuals League 2026 (U11 Boys) Standard 2026-05-23 2026-05-23 Sedibeng (GSV) 5 1350.6 5 3 1402 10.4 Details
2 Fundraiser for Philip and Anika 09 May 2026 (E) Standard 2026-05-09 2026-05-09 Sedibeng (GSV) 5 1350.6 5 4 1534.1 31.1 Details
3 Hoerskool Drie Riviere Chess Open 07 March 2026 (E) Standard 2026-03-07 2026-03-07 Sedibeng (GSV) 5 1298.4 5 3 1392.6 14.4 Details
4 Gauteng Inter-Region at Emerald Resort 2025 (U10 Championship) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1250.8 5 3 1446.9 20.7 Details
5 GDE (D7) Sedibeng East Schools 2025 (U9+U11) Standard 2025-08-02 2025-08-02 Sedibeng (GSV) 5 1190.2 5 4 1515.7 32.4 Details
6 Eureka Chess Open 26 July 2025 (H) Standard 2025-07-26 2025-07-26 Sedibeng (GSV) 5 1177.5 5 2 1244.7 7.1 Details
7 GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U9) Standard 2025-05-24 2025-05-24 Sedibeng (GSV) 5 1158 5 3 1276.2 10.8 Details
8 Destinata Rapid Open 025 (E+F) Rapid 2025-03-15 2025-03-15 Sedibeng (GSV) 6 1155.2 5 2 1263.7 8 Details
9 Laerskool Vaalpark Open 01 March 25 (F) Standard 2025-03-01 2025-03-01 Sedibeng (GSV) 5 1155.2 4 1 1074.5 -6.5 Details
10 Laer Volkskool Open 15 Feb 2025 (F) Standard 2025-02-15 2025-02-15 Sedibeng (GSV) 5 1153.5 4 1 1114.3 -3.2 Details
11 Gauteng Inter-Region at UJ 2024 (U10 Candidates) Standard 2024-12-07 2024-12-08 Johannesburg Metro (GJM) 5 1127.1 5 2 1044.7 -9.8 Details
12 Laerskool Midvaal Rapid 16 Nov 2024 (E) Rapid 2024-11-16 2024-11-16 Sedibeng (GSV) 5 1091.7 5 3 1380 19.8 Details
13 Heidelberg Open 05 October 2024 (E) Standard 2024-10-05 2024-10-05 Sedibeng (GSV) 5 1173.9 4 0 818.3 -27.9 Details
14 Gauteng Top Schools 2024 (U9 Open) Standard 2024-10-04 2024-10-04 Ekurhuleni (GE) 5 1173.9 5 1 1000.1 -17.8 Details
15 Sedibeng East D7 Teams Trials 2024 (U9) Standard 2024-08-03 2024-08-03 Sedibeng (GSV) 6 1148.8 6 3 1269.4 13.9 Details
16 Eureka Open 27 July 2024 (H) Standard 2024-07-27 2024-07-27 Sedibeng (GSV) 5 1158.5 5 2 1125.5 -2.7 Details
17 Midvaal Winter Classic 13 July 2024 (F) Rapid 2024-07-13 2024-07-13 Sedibeng (GSV) 7 1158.5 7 3 1125.2 -2.8 Details
18 AG Visser Open 2024 (E) Standard 2024-06-08 2024-06-08 Sedibeng (GSV) 5 1134.9 5 3 1278.4 13.1 Details
19 Vaalpark Primary Chess Open 2024 (E) Standard 2024-04-13 2024-04-13 Sedibeng (GSV) 5 1187.2 5 1.5 1011.1 -16.4 Details
20 HS Drie Riviere Chess Open Section 2024 (E) Standard 2024-03-09 2024-03-09 Sedibeng (GSV) 5 1187.2 5 2 1066.2 -12.6 Details
21 2023 Gauteng Top Schools (U9 Mixed) Standard 2023-08-18 2023-08-18 West Rand (GWR) 5 1200 4 1 987.5 -16.6 Details
22 Gauteng D7 Teams 2023 (U9) Standard 2023-08-12 2023-08-12 Sedibeng (GSV) 5 1200 5 3 1290.6 9.5 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 15
Wins 10
Draws 0
Losses 5
White 8
Black 7
White wins 6
Black wins 4
Score 10
Percent 66.7
Dp 141.7
AOR 1301.3
Performance 1442.9
Game statistics (History)
Games 109
Wins 50
Draws 1
Losses 58
White 55
Black 54
White wins 28
Black wins 22
Score 50.5
Percent 46.3
Dp -31.2
AOR 1249.9
Performance 1218.7
Rankings (Main)
National
Overall 3183
Gender 2703
Age group 259
Gender/Age 206
Provincial
Overall 1085
Gender 917
Age group 90
Gender/Age 76
Regional
Overall 104
Gender 90
Age group 10
Gender/Age 10
Rankings (Standard)
National
Overall 2854
Gender 2402
Age group 247
Gender/Age 193
Provincial
Overall 1014
Gender 859
Age group 86
Gender/Age 71
Regional
Overall 97
Gender 85
Age group 10
Gender/Age 10
Rankings (Rapid)
National
Overall 4598
Gender 3594
Age group 761
Gender/Age 555
Provincial
Overall 942
Gender 745
Age group 128
Gender/Age 99
Regional
Overall 189
Gender 154
Age group 15
Gender/Age 14
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 15
Score 10
Percent 66.7
Aor 1301.3
Dp 141.7
Prat 1442.9
Performance (12 months)
Games 30
Score 19
Percent 63.3
Aor 1309.3
Dp 113.3
Prat 1422.7
Performance (History)
Games 109
Score 50.5
Percent 46.3
Aor 1249.9
Dp -31.2
Prat 1218.7
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Tshoeu, B (Bogosi) 7 3 4 Gauteng D7 Teams 2023 (U9) Fundraiser for Philip and Anika 09 May 2026 (E) Details
Overall 2 Abdul, MA (Muhammed Ayaan) 5 4 1 AG Visser Open 2024 (E) GDE (D7) Sedibeng East Schools 2025 (U9+U11) Details
Overall 3 Martin, S (Sebastian) 4 3 1 Sedibeng East D7 Teams Trials 2024 (U9) Heidelberg Open 05 October 2024 (E) Details
Overall 4 Strydom, G (Graceson) 4 2 2 AG Visser Open 2024 (E) GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U9) Details
Overall 5 Swarts, C (Ciara) 4 1 3 HS Drie Riviere Chess Open Section 2024 (E) Heidelberg Open 05 October 2024 (E) Details
Standard 1 Tshoeu, B (Bogosi) 6 2 4 Gauteng D7 Teams 2023 (U9) Fundraiser for Philip and Anika 09 May 2026 (E) Details
Standard 2 Abdul, MA (Muhammed Ayaan) 5 4 1 AG Visser Open 2024 (E) GDE (D7) Sedibeng East Schools 2025 (U9+U11) Details
Standard 3 Martin, S (Sebastian) 4 3 1 Sedibeng East D7 Teams Trials 2024 (U9) Heidelberg Open 05 October 2024 (E) Details
Standard 4 Swarts, C (Ciara) 3 1 2 HS Drie Riviere Chess Open Section 2024 (E) Heidelberg Open 05 October 2024 (E) Details
Standard 5 Madibana, M (Mohau) 3 1 2 HS Drie Riviere Chess Open Section 2024 (E) Eureka Open 27 July 2024 (H) Details
Rapid 1 Strydom, G (Graceson) 2 1 1 Laerskool Midvaal Rapid 16 Nov 2024 (E) Destinata Rapid Open 025 (E+F) Details