PLAYER PAGE

Inge Jacobs

2110107176
Tshwane (GTP)
Personal
Main rating
Rating 1351.3
K-factor 36
Floor 870.7
Highest 1404.8 (2026-01-01)
Min/Max +/- allowed 124
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1326.9
Final +/- 0
New Rating
()
Rating 1351.3
K-factor 36
Floor 870.7
Highest 1404.8 (2026-01-01)
Min/Max +/- allowed 123.8
Standard rating
Rating 1342.9
K-factor 36
Floor 877.8
Highest 1401.6 (2026-01-01)
Min/Max +/- allowed 124.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1326.9
Final +/- 0
New Rating
()
Rating 1342.9
K-factor 36
Floor 877.8
Highest 1401.6 (2026-01-01)
Min/Max +/- allowed 124.4
Rapid rating
Rating 1261.6
K-factor 36
Floor 761.6
Highest 1392.5 (2022-04-01)
Min/Max +/- allowed 126
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1261.6
K-factor 36
Floor 761.6
Highest 1392.5 (2022-04-01)
Min/Max +/- allowed 126
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 2026 Lubowski Open Chess Tournament (D2) Standard 2026-03-21 2026-03-22 Tshwane (GTP) 5 1399.6 5 3 1331.5 -14.6 Details
2 2026 Silver Lakes Open Chess Tournament (C) Standard 2026-03-07 2026-03-07 Tshwane (GTP) 5 1399.6 5 2 1199.9 -33.6 Details
3 2026 Tshwane Chess Registration Tournament (C2) Standard 2026-01-31 2026-01-31 Tshwane (GTP) 5 1389.6 5 3 1421.5 1.3 Details
4 2025 Mzansi Inter Provincial Team Championships (U18 Girls) Standard 2025-12-15 2025-12-16 Nelson Mandela Bay (ENM) 5 1310.2 4 3 1572.2 19.1 Details
5 Gauteng Inter-Region at Emerald Resort 2025 (U16+U18 Girls) Standard 2025-12-06 2025-12-07 Sedibeng (GSV) 5 1310.2 5 3.5 1429.4 12.4 Details
6 Paarl Boys' High School Chess Festival 2025 (C) Standard 2025-10-17 2025-10-18 Cape Winelands (WCW) 6 1344.1 6 2.5 1194.1 -18.9 Details
7 2025 Tshwane South School District CLOSED League Championship (U15A) Standard 2025-08-16 2025-08-16 Tshwane (GTP) 5 1301.1 5 4 1479.2 16.8 Details
8 2025 Etienne Lewis Closed Chess Tournament (U16) Standard 2025-08-08 2025-08-10 Tshwane (GTP) 7 1301.1 7 3 1343.2 7.1 Details
9 2025 Wynie Robbertse Chess Tournament (D) Standard 2025-07-19 2025-07-19 Tshwane (GTP) 5 1297.1 5 3 1312.3 2.3 Details
10 2025 Tshwane South School District Individual Finals (D4) (U15 Girls) Standard 2025-05-10 2025-05-10 Tshwane (GTP) 5 1302.8 5 1.5 1075.6 -22.7 Details
11 2025 Silver Lakes Chess Club Open Chess Tournament (D) Standard 2025-05-03 2025-05-03 Tshwane (GTP) 5 1302.8 5 3 1253.7 -4 Details
12 Lubowski Open 2025 (D2) Standard 2025-03-21 2025-03-22 Tshwane (GTP) 5 1296.5 5 3 1334.5 3.4 Details
13 2025 Tshwane Chess OPEN Registration Tournament (B3) Standard 2025-01-25 2025-01-25 Tshwane (GTP) 5 1296.6 5 2 1256.2 -3.3 Details
14 2022 South African Junior Team Chess Championships (U10+U12 Girls) Classical 2022-12-04 2022-12-07 4 Knights (4K) 5 1196.1 5 5 1542.8 40 Details
15 2022 Gauteng North Chess Open (C) Standard 2022-10-15 2022-10-16 Tshwane (GTP) 5 1194.9 5 2 1159.6 -4.7 Details
16 2022 Etienne Lewis (U12 Girls) Standard 2022-09-02 2022-09-04 Tshwane (GTP) 7 1170.2 7 4 1262.8 13.5 Details
17 2022 Gauteng Schools Individual Chess Championship (U11 Girls) Standard 2022-06-18 2022-06-18 Ekurhuleni (GE) 5 1106 5 4 1466 35.7 Details
18 2022 Mid Gauteng Open (C) Standard 2022-05-07 2022-05-07 Tshwane (GTP) 5 1127.8 5 1 997.8 -12.1 Details
19 D4 Individuals 2022 (U11 Girls) Rapid 2022-04-23 2022-04-23 Tshwane (GTP) 7 1150.2 7 5 1376 23 Details
20 2022 Lubowski Open Tournament (C) Standard 2022-04-09 2022-04-10 Tshwane (GTP) 5 1150.2 5 0 825.2 -35.3 Details
21 2022 Gauteng Interregion (U12 Girls) Standard 2022-02-26 2022-02-26 Tshwane (GTP) 5 1182.5 4 1 951.8 -17.9 Details
22 2022 Tshwane Chess Open Registration Tournament (D1) Standard 2022-01-29 2022-01-29 Tshwane (GTP) 5 1138 5 4 1398.7 24.7 Details
23 2021 Etienne Lewis Closed Trials (U12 Girls) Standard 2021-09-24 2021-09-26 Nelson Mandela Bay (ENM) 7 1121.4 6 3 1192 9.2 Details
24 2021 Alekhine Open (D) Standard 2021-08-14 2021-08-15 Tshwane (GTP) 5 1151.5 4 1 962.1 -16.7 Details
25 2021 Chris Greyling Open Tournament (C) Standard 2021-05-08 2021-05-08 Tshwane (GTP) 5 1203.5 5 0.5 916.3 -28.7 Details
26 2021 Blou Bul Tournament (C) Standard 2021-04-10 2021-04-10 Mangaung (FMB) 5 1254.9 5 1 954.5 -28.6 Details
27 2021 Registration Tournament (C) Standard 2021-03-13 2021-03-13 Tshwane (GTP) 5 1304.8 5 1 1013.8 -27.7 Details
28 2020 Wynie Robbertse Open Chess Tournament (U10) Standard 2020-03-07 2020-03-07 Tshwane (GTP) 5 1303.4 5 3 1286.4 -0.8 Details
29 2020 Piet Robbertse (E+F) Standard 2020-01-31 2020-02-02 Cape Winelands (WCW) 5 1152.7 5 3 1316.1 18.8 Details
30 2020 Blou Bul (E) Standard 2020-02-15 2020-02-15 Tshwane (GTP) 5 1152.7 5 4 1403.6 23.7 Details
31 2020 Registration Tournament (E) Standard 2020-01-25 2020-01-25 Tshwane (GTP) 5 1031 5 4 1395.6 36.2 Details
32 2019 South African Junior Team Championships (U10 Girls) Classical 2020-01-04 2020-01-08 4 Knights (4K) 7 1031 6 3 1105.2 10.4 Details
33 2019 TC SAJCC Prep Tournament (C) Standard 2019-11-30 2019-11-30 Tshwane (GTP) 5 1020.7 5 2 1083.5 5.3 Details
34 2019 Etienne Lewis Trials (U10 Girls) Classical 2019-08-30 2019-09-01 Tshwane (GTP) 7 1087.1 6 1 851.1 -33.4 Details
35 2019 Mid-Gauteng Open (E) Standard 2019-08-17 2019-08-17 Tshwane (GTP) 5 1037.5 4 2 1222.3 14.3 Details
36 2019 Lubowski Open Tournament (E) Standard 2019-05-11 2019-05-11 Tshwane (GTP) 5 1024.8 5 2 1055.6 4.1 Details
37 2019 Chris Greyling (E) Standard 2019-04-27 2019-04-27 Tshwane (GTP) 5 1028.6 5 2 1096.8 7.1 Details
38 2019 Capablanca Chess Festival (Swiss E) Standard 2019-04-19 2019-04-19 Tshwane (GTP) 5 1028.6 5 1 928 -10.5 Details
39 2019 D4 Individual Finals (U9 Mixed) Standard 2019-03-09 2019-03-09 Tshwane (GTP) 5 958.2 5 3 1329.8 35.2 Details
40 2019 TuksChess Open (C) Standard 2019-02-23 2019-02-23 Tshwane (GTP) 5 980.5 4 0 685 -23.2 Details
41 2019 Blou Bul (E) Standard 2019-02-16 2019-02-16 Tshwane (GTP) 5 980.5 5 2 968 -1.2 Details
42 2019 Piet Robbertse (Beginners) Classical 2019-02-02 2019-02-03 Tshwane (GTP) 5 980.5 4 2 1125.2 13.4 Details
43 2018 Tshwane Inter Region (U10D) Standard 2018-12-01 2018-12-01 Cape Town (WCT) 6 1156.8 5 0 508.2 -62.4 Details
44 South African Junior Team Championships 2018 (U8B+U8 Girls) Classical 2018-12-16 2018-12-20 4 Knights (4K) 7 1156.8 7 1.5 950.1 -33.2 Details
45 2018 Lardies Ope (F) Standard 2018-10-27 2018-10-27 Tshwane (GTP) 5 1200 5 1 973.1 -21.4 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 8
Draws 0
Losses 7
White 8
Black 7
White wins 3
Black wins 5
Score 8
Percent 53.3
Dp 28.3
AOR 1289.3
Performance 1317.6
Game statistics (History)
Games 231
Wins 102
Draws 7
Losses 122
White 114
Black 117
White wins 57
Black wins 45
Score 105.5
Percent 45.7
Dp -36.8
AOR 1206.6
Performance 1169.8
Rankings (Main)
National
Overall 4551
Gender 756
Age group 707
Gender/Age 160
Provincial
Overall 1509
Gender 246
Age group 237
Gender/Age 56
Regional
Overall 525
Gender 98
Age group 82
Gender/Age 20
Rankings (Standard)
National
Overall 4342
Gender 733
Age group 688
Gender/Age 155
Provincial
Overall 1537
Gender 252
Age group 256
Gender/Age 57
Regional
Overall 564
Gender 100
Age group 98
Gender/Age 21
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 15
Score 8
Percent 53.3
Aor 1289.3
Dp 28.3
Prat 1317.6
Performance (12 months)
Games 57
Score 31.5
Percent 55.3
Aor 1277.6
Dp 44.7
Prat 1322.3
Performance (History)
Games 231
Score 105.5
Percent 45.7
Aor 1206.6
Dp -36.8
Prat 1169.8
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Veldman, C (Chantane) 4 3 1 2019 Lubowski Open Tournament (E) 2022 Etienne Lewis (U12 Girls) Details
Overall 2 Mcphail, M (Matthew) 3 2 1 2020 Registration Tournament (E) 2025 Etienne Lewis Closed Chess Tournament (U16) Details
Overall 3 Theron, L (Lydia) 3 1 2 2021 Chris Greyling Open Tournament (C) 2025 Tshwane Chess OPEN Registration Tournament (B3) Details
Overall 4 De Waal, N (Nadine) 3 3 0 South African Junior Team Championships 2018 (U8B+U8 Girls) 2022 Etienne Lewis (U12 Girls) Details
Overall 5 Webb, A (Abbygail) 3 2 1 2019 TC SAJCC Prep Tournament (C) 2020 Blou Bul (E) Details
Standard 1 Veldman, C (Chantane) 4 3 1 2019 Lubowski Open Tournament (E) 2022 Etienne Lewis (U12 Girls) Details
Standard 2 Mcphail, M (Matthew) 3 2 1 2020 Registration Tournament (E) 2025 Etienne Lewis Closed Chess Tournament (U16) Details
Standard 3 Theron, L (Lydia) 3 1 2 2021 Chris Greyling Open Tournament (C) 2025 Tshwane Chess OPEN Registration Tournament (B3) Details
Standard 4 De Waal, N (Nadine) 3 3 0 South African Junior Team Championships 2018 (U8B+U8 Girls) 2022 Etienne Lewis (U12 Girls) Details
Standard 5 Webb, A (Abbygail) 3 2 1 2019 TC SAJCC Prep Tournament (C) 2020 Blou Bul (E) Details