PLAYER PAGE

Personal

Jacobs, I (Inge)

Chess SA id

2110107176

FIDE id

14342430

Date of birth

2011-03-30 (U16)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-12-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1404.8 1401.6 1261.6 1200
Raw rating 1366.5 1370.9 1261.6 1200
Weighted rating 1311.5 1307.8 1261.6 1200
Weighted performance 1404.8 1401.6 0 0
Floor 866.5 870.9 761.6 700
K-factor 36 36 36 36
Min/Max rating change allowed 130.8 130 151.9 165.8
Highest rating 1404.8
2026-01-01
1401.6
2026-01-01
1392.5
2022-04-01
1200
2018-10-01
Highest raw rating 1366.5
2026-01-01
1370.9
2026-01-01
1261.6
2024-03-01
1200
2024-03-01
Highest weighted rating 1311.5
2026-01-01
1307.8
2026-01-01
1261.6
2024-04-01
1200
2018-10-01
Highest weighted performance 1404.8
2026-01-01
1401.6
2026-01-01
1392.5
2022-04-01
1200
2024-03-01

Prediction
Item Main Standard Rapid Blitz
Rating change -9.3 -9.3 0 0
New rating 1395.5 1392.3 1261.6 1200
Analysis
Rating 1404.8 1401.6 1261.6 1200
Raw rating 1366.5 1370.9 1261.6 1200
Weighted rating 1311.5 1307.8 1261.6
Weighted performance 1404.8 1401.6 0
K-factor 36 36 36 36
Floor 866.5 870.9 761.6 700
Max/Min rating change allowed 130.8 130 151.9 165.8
Games 0 0 0 0
Score 0 0 0 0
Expected score 0 0 0 0
Score-Expected 0 0 0 0
Temp raw +/- 0 0 0 0
Final raw +/- 0 0 0 0
New raw rating 1366.5 1370.9 1261.6 1200
New weighted rating 1316.4 1313.5 1261.6 1200
New weighted performance 1395.5 1392.3 0 0
Temp new rating 1395.5 1392.3 1261.6 1200
Temp new rating +/- -9.3 -9.3 0 0
Final new rating +/- -9.3 -9.3 0 0
New rating 1395.5 1392.3 1261.6 1200
New K-factor 36 36 36 36
New floor 866.5 870.9 761.6 700

Item Main Standard Rapid Blitz
0 0 0 0
43 43 0 0
0 0 0 0
0 0 0 0
48 41 7 0
25 25 0 0
History 207 200 7 0

Games since
Main
43
Standard
43
Rapid
0
Blitz
0
Gender Female
Age group U16
Region Tshwane (GTP)
Province Gauteng (GT)
Main
RSA Province Region
Overall 3181 1059 375
Female 647 221 86
U16 503 172 58
U16 Female 129 49 14
Standard
RSA Province Region
Overall 3096 1114 420
Female 624 221 91
U16 502 180 66
U16 Female 123 46 14
Rapid
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U16 -1 -1 -1
U16 Female -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Female -1 -1 -1
U16 -1 -1 -1
U16 Female -1 -1 -1

Games Score % Dp AvgOpp Performance
Main 0 0 0 0 0 0
Standard 0 0 0 0 0 0
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
Games Score % Dp AvgOpp Performance
Main 43 22 51.16 9.9 1272.1 1282
Standard 43 22 51.16 9.9 1272.1 1282
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 207 91 43.96 -51.3 1196.3 1145
Standard 200 86 43 -59.5 1196.4 1136.9
Rapid 7 5 71.43 182.1 1193.9 1376
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2026-01-01 1366.5 1370.9 1261.6 1200
2025-11-30 1310.1 1308.7 1261.6 1200
2025-11-01 1310.1 1308.7 1261.6 1200
2025-09-30 1344.1 1347.2 1261.6 1200
2025-09-01 1344.1 1347.2 1261.6 1200
2025-08-01 1301.1 1296.7 1261.6 1200
2025-07-01 1297.1 1290.1 1261.6 1200
2025-06-01 1294.1 1286.7 1261.6 1200
2025-05-01 1302.8 1296.2 1261.6 1200
2025-04-01 1302.8 1296.2 1261.6 1200
2025-03-01 1296.5 1289.6 1261.6 1200
2025-02-01 1296.1 1289.3 1261.6 1200
2025-01-01 1296.6 1289.7 1261.6 1200
2024-12-01 1296.6 1289.7 1261.6 1200
2024-11-01 1296.6 1289.7 1261.6 1200
2024-10-01 1296.6 1289.7 1261.6 1200
2024-09-01 1296.6 1289.7 1261.6 1200
2024-11-01 1296.6 1289.7 1261.6 1200
2024-07-01 1296.6 1289.7 1261.6 1200
2024-06-01 1296.6 1289.7 1261.6 1200
2024-05-01 1296.6 1289.7 1261.6 1200
2024-04-01 1296.6 1289.7 1261.6 1200
2024-03-01 1296.6 1289.7 1261.6 1200
2024-02-01 1296.6 1289.7 1261.6 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 2025 Mzansi Inter Provincial Team Championships (U18 Girls) 2025-12-15 2025-12-16 Standard Nelson Mandela Bay (ENM) 5 4 3 Yes Analysis
2 Gauteng Inter-Region at Emerald Resort 2025 (U16+U18 Girls) 2025-12-06 2025-12-07 Standard Sedibeng (GSV) 5 5 3.5 Yes Analysis
3 Paarl Boys' High School Chess Festival 2025 (C) 2025-10-17 2025-10-18 Standard Cape Winelands (WCW) 6 6 2.5 Yes Analysis
4 2025 Tshwane South School District CLOSED League Championship (U15A) 2025-08-16 2025-08-16 Standard Tshwane (GTP) 5 5 4 Yes Analysis
5 2025 Etienne Lewis Closed Chess Tournament (U16) 2025-08-08 2025-08-10 Standard Tshwane (GTP) 7 7 3 Yes Analysis
6 2025 Wynie Robbertse Chess Tournament (D) 2025-07-19 2025-07-19 Standard Tshwane (GTP) 5 5 3 Yes Analysis
7 2025 Tshwane South School District Individual Finals (D4) (U15 Girls) 2025-05-10 2025-05-10 Standard Tshwane (GTP) 5 5 1.5 Yes Analysis
8 2025 Silver Lakes Chess Club Open Chess Tournament (D) 2025-05-03 2025-05-03 Standard Tshwane (GTP) 5 5 3 Yes Analysis
9 Lubowski Open 2025 (D2) 2025-03-21 2025-03-22 Standard Tshwane (GTP) 5 5 3 Yes Analysis
10 2025 Tshwane Chess OPEN Registration Tournament (B3) 2025-01-25 2025-01-25 Standard Tshwane (GTP) 5 5 2 Yes Analysis
11 2022 South African Junior Team Chess Championships (U10+U12 Girls) 2022-12-04 2022-12-07 Standard 4 Knights (4K) 5 5 5 Yes Analysis
12 2022 Gauteng North Chess Open (C) 2022-10-15 2022-10-16 Standard Tshwane (GTP) 5 5 2 Yes Analysis
13 2022 Etienne Lewis (U12 Girls) 2022-09-02 2022-09-04 Standard Tshwane (GTP) 7 7 4 Yes Analysis
14 2022 Gauteng Schools Individual Chess Championship (U11 Girls) 2022-06-18 2022-06-18 Standard Ekurhuleni (GE) 5 5 4 Yes Analysis
15 2022 Mid Gauteng Open (C) 2022-05-07 2022-05-07 Standard Tshwane (GTP) 5 5 1 Yes Analysis
16 D4 Individuals 2022 (U11 Girls) 2022-04-23 2022-04-23 Rapid Tshwane (GTP) 7 7 5 Yes Analysis
17 2022 Lubowski Open Tournament (C) 2022-04-09 2022-04-10 Standard Tshwane (GTP) 5 5 0 Yes Analysis
18 2022 Gauteng Interregion (U12 Girls) 2022-02-26 2022-02-26 Standard Tshwane (GTP) 5 4 1 Yes Analysis
19 2022 Tshwane Chess Open Registration Tournament (D1) 2022-01-29 2022-01-29 Standard Tshwane (GTP) 5 5 4 Yes Analysis
20 2021 Etienne Lewis Closed Trials (U12 Girls) 2021-09-24 2021-09-26 Standard Nelson Mandela Bay (ENM) 7 6 3 Yes Analysis
21 2021 Alekhine Open (D) 2021-08-14 2021-08-15 Standard Tshwane (GTP) 5 4 1 Yes Analysis
22 2021 Chris Greyling Open Tournament (C) 2021-05-08 2021-05-08 Standard Tshwane (GTP) 5 5 0.5 Yes Analysis
23 2021 Blou Bul Tournament (C) 2021-04-10 2021-04-10 Standard Mangaung (FMB) 5 5 1 Yes Analysis
24 2021 Registration Tournament (C) 2021-03-13 2021-03-13 Standard Tshwane (GTP) 5 5 1 Yes Analysis
25 2020 Wynie Robbertse Open Chess Tournament (U10) 2020-03-07 2020-03-07 Standard Tshwane (GTP) 5 5 3 Yes Analysis
26 2020 Piet Robbertse (E+F) 2020-01-31 2020-02-02 Standard Cape Winelands (WCW) 5 5 3 Yes Analysis
27 2020 Blou Bul (E) 2020-02-15 2020-02-15 Standard Tshwane (GTP) 5 5 4 Yes Analysis
28 2020 Registration Tournament (E) 2020-01-25 2020-01-25 Standard Tshwane (GTP) 5 5 4 Yes Analysis
29 2019 South African Junior Team Championships (U10 Girls) 2020-01-04 2020-01-08 Standard 4 Knights (4K) 7 6 3 Yes Analysis
30 2019 TC SAJCC Prep Tournament (C) 2019-11-30 2019-11-30 Standard Tshwane (GTP) 5 5 2 Yes Analysis
31 2019 Etienne Lewis Trials (U10 Girls) 2019-08-30 2019-09-01 Standard Tshwane (GTP) 7 6 1 Yes Analysis
32 2019 Mid-Gauteng Open (E) 2019-08-17 2019-08-17 Standard Tshwane (GTP) 5 4 2 Yes Analysis
33 2019 Lubowski Open Tournament (E) 2019-05-11 2019-05-11 Standard Tshwane (GTP) 5 5 2 Yes Analysis
34 2019 Chris Greyling (E) 2019-04-27 2019-04-27 Standard Tshwane (GTP) 5 5 2 Yes Analysis
35 2019 Capablanca Chess Festival (Swiss E) 2019-04-19 2019-04-19 Standard Tshwane (GTP) 5 5 1 Yes Analysis
36 2019 D4 Individual Finals (U9 Mixed) 2019-03-09 2019-03-09 Standard Tshwane (GTP) 5 5 3 Yes Analysis
37 2019 TuksChess Open (C) 2019-02-23 2019-02-23 Standard Tshwane (GTP) 5 4 0 Yes Analysis
38 2019 Blou Bul (E) 2019-02-16 2019-02-16 Standard Tshwane (GTP) 5 5 2 Yes Analysis
39 2019 Piet Robbertse (Beginners) 2019-02-02 2019-02-03 Standard Tshwane (GTP) 5 4 2 Yes Analysis
40 2018 Tshwane Inter Region (U10D) 2018-12-01 2018-12-01 Standard Cape Town (WCT) 6 5 0 Yes Analysis
41 South African Junior Team Championships 2018 (U8B+U8 Girls) 2018-12-16 2018-12-20 Standard 4 Knights (4K) 7 7 1.5 Yes Analysis
42 2018 Lardies Ope (F) 2018-10-27 2018-10-27 Standard Tshwane (GTP) 5 5 1 Yes Analysis

Top 3 Streaks

# Games Start End
1 5 Tournament
2022 South African Junior Team Chess Championships
Tournament
2022 South African Junior Team Chess Championships
date
2022-12-04
rnd
1
type
Standard
result
1
date
2022-12-07
rnd
5
type
Standard
result
1
Opponent
Kriel, V (Vene)
Opponent
Smith, L (Leah)
2 4 Tournament
2025 Silver Lakes Chess Club Open Chess Tournament
Tournament
2025 Tshwane South School District Individual Finals (D4)
date
2025-05-03
rnd
3
type
Standard
result
1
date
2025-05-10
rnd
1
type
Standard
result
1
Opponent
Matjila, N (Neo)
Opponent
THOKA, M (MORORISENG)
3 4 Tournament
2020 Piet Robbertse
Tournament
2020 Blou Bul
date
2020-02-02
rnd
5
type
Standard
result
1
date
2020-02-15
rnd
3
type
Standard
result
1
Opponent
Kilian, D (Daniel)
Opponent
Webb, A (Abbygail)
# Games Start End
1 5 Tournament
2022 South African Junior Team Chess Championships
Tournament
2022 South African Junior Team Chess Championships
date
2022-12-04
rnd
1
type
Standard
result
1
date
2022-12-07
rnd
5
type
Standard
result
1
Opponent
Kriel, V (Vene)
Opponent
Smith, L (Leah)
2 4 Tournament
2025 Silver Lakes Chess Club Open Chess Tournament
Tournament
2025 Tshwane South School District Individual Finals (D4)
date
2025-05-03
rnd
3
type
Standard
result
1
date
2025-05-10
rnd
1
type
Standard
result
1
Opponent
Matjila, N (Neo)
Opponent
THOKA, M (MORORISENG)
3 4 Tournament
2020 Piet Robbertse
Tournament
2020 Blou Bul
date
2020-02-02
rnd
5
type
Standard
result
1
date
2020-02-15
rnd
3
type
Standard
result
1
Opponent
Kilian, D (Daniel)
Opponent
Webb, A (Abbygail)
# Games Start End
1 3 Tournament
D4 Individuals 2022
Tournament
D4 Individuals 2022
date
2022-04-23
rnd
1
type
Rapid
result
1
date
2022-04-23
rnd
3
type
Rapid
result
1
Opponent
Erasmus, A (Anri)
Opponent
Beetge, E (Elzette)
2 2 Tournament
D4 Individuals 2022
Tournament
D4 Individuals 2022
date
2022-04-23
rnd
5
type
Rapid
result
1
date
2022-04-23
rnd
6
type
Rapid
result
1
Opponent
Weder, K (Karlien)
Opponent
Struwig, K (Karien)
No games found.
# Games Start End
# Games Start End
1 5 Tournament
2022 South African Junior Team Chess Championships
Tournament
2022 South African Junior Team Chess Championships
date
2022-12-04
rnd
1
type
Standard
result
1
date
2022-12-07
rnd
5
type
Standard
result
1
Opponent
Kriel, V (Vene)
Opponent
Smith, L (Leah)
2 4 Tournament
2025 Silver Lakes Chess Club Open Chess Tournament
Tournament
2025 Tshwane South School District Individual Finals (D4)
date
2025-05-03
rnd
3
type
Standard
result
1
date
2025-05-10
rnd
1
type
Standard
result
1
Opponent
Matjila, N (Neo)
Opponent
THOKA, M (MORORISENG)
3 4 Tournament
2020 Piet Robbertse
Tournament
2020 Blou Bul
date
2020-02-02
rnd
5
type
Standard
result
1
date
2020-02-15
rnd
3
type
Standard
result
1
Opponent
Kilian, D (Daniel)
Opponent
Webb, A (Abbygail)
# Games Start End
1 5 Tournament
2022 South African Junior Team Chess Championships
Tournament
2022 South African Junior Team Chess Championships
date
2022-12-04
rnd
1
type
Standard
result
1
date
2022-12-07
rnd
5
type
Standard
result
1
Opponent
Kriel, V (Vene)
Opponent
Smith, L (Leah)
2 4 Tournament
2025 Silver Lakes Chess Club Open Chess Tournament
Tournament
2025 Tshwane South School District Individual Finals (D4)
date
2025-05-03
rnd
3
type
Standard
result
1
date
2025-05-10
rnd
1
type
Standard
result
1
Opponent
Matjila, N (Neo)
Opponent
THOKA, M (MORORISENG)
3 4 Tournament
2020 Piet Robbertse
Tournament
2020 Blou Bul
date
2020-02-02
rnd
5
type
Standard
result
1
date
2020-02-15
rnd
3
type
Standard
result
1
Opponent
Kilian, D (Daniel)
Opponent
Webb, A (Abbygail)
# Games Start End
1 3 Tournament
D4 Individuals 2022
Tournament
D4 Individuals 2022
date
2022-04-23
rnd
1
type
Rapid
result
1
date
2022-04-23
rnd
3
type
Rapid
result
1
Opponent
Erasmus, A (Anri)
Opponent
Beetge, E (Elzette)
2 2 Tournament
D4 Individuals 2022
Tournament
D4 Individuals 2022
date
2022-04-23
rnd
5
type
Rapid
result
1
date
2022-04-23
rnd
6
type
Rapid
result
1
Opponent
Weder, K (Karlien)
Opponent
Struwig, K (Karien)
No games found.
# Games Start End

Top 10 opponents most often played

# Opponent Main Standard Rapid Blitz
Gms Score Dp Gms Score Dp Gms Score Dp Gms Score Dp
Aor Prat Aor Prat Aor Prat Aor Prat
1 Veldman ,C (Chantane) 4 2 0 4 2 0 0 0 0 0 0 0
1073.2 1073.2 1044.6 1073.2 0 0 0 0
2 Mcphail ,M (Matthew) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1201.2 1342.9 1191 1342.9 0 0 0 0
3 De Waal ,N (Nadine) 3 0 -425 3 0 -425 0 0 0 0 0 0
1326 901 1307 901 0 0 0 0
4 Webb ,A (Abbygail) 3 3 425 3 3 425 0 0 0 0 0 0
1153 1578 1142 1578 0 0 0 0
5 Theron ,L (Lydia) 3 0.5 -283.3 3 0.5 -283.3 0 0 0 0 0 0
1325.4 1042.1 1315.8 1042.1 0 0 0 0
6 Eygelaar ,L (Leila) 2 0 -425 2 0 -425 0 0 0 0 0 0
1143.6 718.6 1126.8 718.6 0 0 0 0
7 Markram ,G (Gideon) 2 1 0 2 1 0 0 0 0 0 0 0
1176.2 1176.2 1184.2 1176.2 0 0 0 0
8 Govender ,P (Pranau) 2 0 -425 2 0 -425 0 0 0 0 0 0
1299.5 874.5 1302.1 874.5 0 0 0 0
9 Bloem ,R (Reinhardt) 2 0 -425 2 0 -425 0 0 0 0 0 0
1274.4 849.4 1268.2 849.4 0 0 0 0
10 Scholtz ,A (Aydin) 2 0 -425 2 0 -425 0 0 0 0 0 0
1146.1 721.1 1136 721.1 0 0 0 0

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
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