Surname or Chess SA id..
Chess SA Region AOC

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Duan Jacobs

105013333
Lejweleputswa (FLW)
Personal
Main rating
Rating 1221.1
K-factor 36
Floor 721.1
Highest 1221.1 (2024-02-01)
Min/Max +/- allowed 161
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 426.4
Final +/- 0
New Rating
()
Rating 1221.1
K-factor 36
Floor 721.1
Highest 1221.1 (2024-02-01)
Min/Max +/- allowed 160.9
Standard rating
Rating 1222.7
K-factor 36
Floor 722.7
Highest 1222.7 (2024-02-01)
Min/Max +/- allowed 160.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 426.4
Final +/- 0
New Rating
()
Rating 1222.7
K-factor 36
Floor 722.7
Highest 1222.7 (2024-02-01)
Min/Max +/- allowed 160.5
Rapid rating
Rating 1104.3
K-factor 40
Floor 604.3
Highest 1200 (2024-02-01)
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 1104.3
K-factor 40
Floor 604.3
Highest 1200 (2024-02-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1104.3
K-factor 40
Floor 604.3
Highest 1200 (2024-02-01)
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 1104.3
K-factor 40
Floor 604.3
Highest 1200 (2024-02-01)
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 2019 South African Junior Team Championships (U16B) Classical 2020-01-04 2020-01-08 4 Knights (4K) 7 1114.7 7 5 1443.9 0 Details
2 Lejweleputswa 7th Qualifying Swiss Open Tournament 2019 (Open) Standard 2019-06-15 2019-06-15 Lejweleputswa (FLW) 5 1098.1 5 2.5 1166.6 0 Details
3 Lejweleputswa 6th Qualifying Swiss Open Tournament 2019 (A) Standard 2019-05-25 2019-05-25 Lejweleputswa (FLW) 5 1096.4 5 2.5 1098.3 0 Details
4 Lejweleputswa 4th Qualifying Swiss Open Tournament 2019 (B) Standard 2019-03-16 2019-03-16 Lejweleputswa (FLW) 5 1069.5 5 3 1214.1 0 Details
5 Lejweleputswa 2nd Qualifying Swiss Open Tournament 2019 (B) Standard 2019-01-26 2019-01-26 Lejweleputswa (FLW) 5 1070.2 5 2.5 1058.9 0 Details
6 South African Junior Team Championships 2018 (U14D) Classical 2018-12-16 2018-12-20 4 Knights (4K) 7 1036.6 7 4 1143.9 0 Details
7 South African Open 2018 (C) Standard 2018-07-11 2018-07-13 Mangaung (FMB) 6 995.4 6 4 1171.4 0 Details
8 Inter Regional 2018 (U14 Team) Standard 2018-05-04 2018-05-05 Frances Baard (NCF) 5 1077.9 5 1 864.2 0 Details
9 Lejweleputswa 6th Qualifying Swiss Open Tournament 2018 (C) Standard 2018-05-26 2018-05-26 Lejweleputswa (FLW) 5 1077.9 5 2.5 868.6 0 Details
10 Lejweleputswa 5th Qualifying Swiss Open Tournament 2018 (U14) Standard 2018-04-21 2018-04-21 Lejweleputswa (FLW) 5 1094.7 5 4 984.6 0 Details
11 Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018 (U14) Standard 2018-02-24 2018-02-24 Lejweleputswa (FLW) 5 1082.3 5 5 1091.6 0 Details
12 Lejweleputswa 2nd Qualifying Swiss Open Tournament 2018 (A) Standard 2018-01-27 2018-01-27 Lejweleputswa (FLW) 5 1104.3 5 2.5 1252.2 0 Details
13 South African Junior Wildcard Championships 2017 (U14 Open) Classical 2018-01-09 2018-01-12 4 Knights (4K) 7 1104.3 7 4 1017 0 Details
14 South African Junior Team Championships 2017 (U14D) Classical 2018-01-04 2018-01-08 4 Knights (4K) 7 1104.3 7 4.5 1026.3 0 Details
15 Lejweleputswa 3Rd Qualifier Open Swiss - 2017 (U14) Standard 2017-02-25 2017-02-25 Lejweleputswa (FLW) 5 1010 5 3.5 740 0 Details
16 Lejweleputswa 2Nd Qualifier Open Swiss - 2017 (U14) Standard 2017-02-11 2017-02-11 Lejweleputswa (FLW) 5 1010 5 4 841 0 Details
17 Lejweleputswa 1St Qualifier Open Swiss - 2017 (U14) Standard 2017-01-28 2017-01-28 Lejweleputswa (FLW) 5 1010 5 4 936 0 Details
18 Lejweleputswa 7Th Qualifier Open Swiss - 2017 (U14) Standard 2017-08-12 2017-08-12 Lejweleputswa (FLW) 5 1010 5 4.5 1131 0 Details
19 Lejweleputswa 5Th Qualifier Open Swiss - 2017 (U14) Standard 2017-07-01 2017-07-01 Lejweleputswa (FLW) 5 1048 5 3.5 711 0 Details
20 2017 Inter-Regional (Under 14 Open) Standard 2017-05-12 2017-05-13 Bojanala Platina (NBR) 5 1022 5 4 1131 0 Details
21 South African Junior Team Championships 2016 (U12 D) Classical 2016-12-16 2016-12-19 Tshwane (GTP) 7 1039 7 5.5 990 0 Details
22 South African Open 2016 (B) Classical 2016-07-01 2016-07-08 Western Province (WP) 11 1039 0 0 0 0 Details
23 Inter Region 2016 (U12) Standard 2016-05-06 2016-05-07 Free State (FS) 5 1104 4 2.5 890 0 Details
24 Lejweleputswa 4Th Qualifier Open Swiss 2016 (U12) Standard 2016-04-16 2016-04-16 Lejweleputswa (FLW) 5 1104 5 3.5 861 0 Details
25 Lejweleputswa 3Rd Qualifier Open Swiss 2016 (U12) Standard 2016-02-27 2016-02-27 Lejweleputswa (FLW) 5 1025 10 10 1015 0 Details
26 Lejweleputswa 1St Qualifier Open Swiss 2016 (U10+U12) Standard 2016-01-30 2016-01-30 Lejweleputswa (FLW) 5 1025 5 4.5 1175 0 Details
27 Lejweleputswa 2Nd Qualifier Open Swiss 2016 (U10+U12) Standard 2016-02-13 2016-02-13 Lejweleputswa (FLW) 5 1025 5 5 771 0 Details
28 South African Junior Team Championships 2015 (12D) Classical 2016-01-04 2016-01-07 Western Province (WP) 7 1082 7 4 838 0 Details
29 Lejweleputswa 7Th Qualifier Open Swiss (U12) Standard 2015-08-08 2015-08-08 Lejweleputswa (FLW) 5 1034 5 4 1055 0 Details
30 Lejweleputswa 6Th Qualifier Open Swiss (U12) Standard 2015-07-25 2015-07-25 Lejweleputswa (FLW) 5 1034 5 5 1176 0 Details
31 Goldfields Blitz Championships Primary Schools Blitz 2015-06-26 2015-06-26 Lejweleputswa (FLW) 8 0 8 5 1135 0 Details
32 Lejweleputswa 5Th Qualifier Open Swiss (U12) Standard 2015-06-13 2015-06-13 Lejweleputswa (FLW) 5 1002 5 5 1205 0 Details
33 Inter Region 2015 (U12) Standard 2015-05-08 2015-05-09 Lejweleputswa (FLW) 5 978 5 3.5 884 0 Details
34 Lejweleputswa 4Th Qualifier (U12) Standard 2015-04-25 2015-04-25 Lejweleputswa (FLW) 5 978 5 4.5 1142 0 Details
35 Sa Junior Closed Chess Championship 2015 (Under 10 Open) Classical 2015-04-04 2015-04-10 Tshwane (GTP) 11 1029 10 4 922 0 Details
36 Lejweleputswa 3Rd Qualifier Open Swiss (U12) Standard 2015-03-14 2015-03-14 Lejweleputswa (FLW) 5 1025 5 4 891 0 Details
37 Lejweleputswa 2Nd Qualifier Open Swiss (U12) Standard 2015-02-28 2015-02-28 Lejweleputswa (FLW) 5 1025 5 5 1119 0 Details
38 Lejweleputswa 1St Qualifier Open Swiss (U12) Standard 2015-01-31 2015-01-31 Lejweleputswa (FLW) 5 1027 5 4 985 0 Details
39 South African Junior Team Championship 2015 (U10 C-Section) Classical 2015-01-04 2015-01-07 Northern Cape (NC) 7 1021 7 5 1010 0 Details
40 Lejweleputswa Invitational Tournament U.10 Standard 2014-08-23 2014-08-23 Lejweleputswa (FLW) 5 1020 5 4 1003 0 Details
41 Free State Open 2014 B-Section Standard 2014-08-01 2014-08-02 Free State (FS) 5 1042 4 1 927 0 Details
42 7Th Qualifying Tournament - Lejweleputswa U.10 Standard 2014-07-26 2014-07-26 Lejweleputswa (FLW) 5 1010 5 4.5 1144 0 Details
43 Lejweleputswa Open Swiss U 10 Standard 2014-05-17 2014-05-17 Lejweleputswa (FLW) 5 967 5 4 986 0 Details
44 Lejweleputswa Chess Qualifier U.10 Standard 2014-04-12 2014-04-12 Lejweleputswa (FLW) 5 967 5 5 1102 0 Details
45 Lejweleputswa Individual Swiss U10 Standard 2014-03-29 2014-03-29 Lejweleputswa (FLW) 5 887 5 5 1255 0 Details
46 Lejweleputsa Open Swiss U 10 Standard 2014-03-08 2014-03-08 Lejweleputswa (FLW) 5 854 5 4 1006 0 Details
47 Registration Tournament U10 Standard 2014-02-01 2014-02-02 Bojanala Platina (NBR) 5 770 5 4 891 0 Details
48 Lejweleputswa Open Swiss U.10 Standard 2014-02-15 2014-02-15 Lejweleputswa (FLW) 5 770 5 5 1035 0 Details
49 Wild Card Championships 2013 (U10 Boys) Standard 2013-12-19 2013-12-21 Kwazulu Natal (KZN) 7 944 6 2 575 0 Details
50 South African Junior Team Championship 2013 (U10) Standard 2013-12-15 2013-12-18 Kwazulu Natal (KZN) 7 944 7 3 686 0 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 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 (History)
Games 79
Wins 41
Draws 12
Losses 26
White 40
Black 39
White wins 24
Black wins 17
Score 47
Percent 59.5
Dp 80.7
AOR 1026.2
Performance 1106.9
Rankings (Main)
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 (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 -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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (History)
Games 79
Score 47
Percent 59.5
Aor 1026.2
Dp 80.7
Prat 1106.9
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Pillay, D (Diveshan) 3 0 3 Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018 (U14) Lejweleputswa 2nd Qualifying Swiss Open Tournament 2019 (B) Details
Overall 2 Daniel, CV (Christiaan Victor) 3 0 3 Lejweleputswa 4th Qualifying Swiss Open Tournament 2019 (B) Lejweleputswa 7th Qualifying Swiss Open Tournament 2019 (Open) Details
Overall 3 Mokhoera, KB (Keamogecoe Boitumelo) 3 2 1 Lejweleputswa 2nd Qualifying Swiss Open Tournament 2019 (B) Lejweleputswa 7th Qualifying Swiss Open Tournament 2019 (Open) Details
Overall 4 Du Toit, JP (Johannes Petrus) 2 1 1 Lejweleputswa 2nd Qualifying Swiss Open Tournament 2019 (B) Lejweleputswa 4th Qualifying Swiss Open Tournament 2019 (B) Details
Overall 5 Swart, D (Dian) 2 0 2 Lejweleputswa 6th Qualifying Swiss Open Tournament 2018 (C) Lejweleputswa 7th Qualifying Swiss Open Tournament 2019 (Open) Details
Standard 1 Daniel, CV (Christiaan Victor) 3 0 3 Lejweleputswa 4th Qualifying Swiss Open Tournament 2019 (B) Lejweleputswa 7th Qualifying Swiss Open Tournament 2019 (Open) Details
Standard 2 Mokhoera, KB (Keamogecoe Boitumelo) 3 2 1 Lejweleputswa 2nd Qualifying Swiss Open Tournament 2019 (B) Lejweleputswa 7th Qualifying Swiss Open Tournament 2019 (Open) Details
Standard 3 Pillay, D (Diveshan) 3 0 3 Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018 (U14) Lejweleputswa 2nd Qualifying Swiss Open Tournament 2019 (B) Details
Standard 4 Masuku, M (Mxolosi) 2 1 1 Lejweleputswa 3rd Qualifying Swiss Open Tournament 2018 (U14) Lejweleputswa 4th Qualifying Swiss Open Tournament 2019 (B) Details
Standard 5 Du Toit, JP (Johannes Petrus) 2 1 1 Lejweleputswa 2nd Qualifying Swiss Open Tournament 2019 (B) Lejweleputswa 4th Qualifying Swiss Open Tournament 2019 (B) Details