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Chess SA Region AOC

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Personal

Grebe, J (Jack)

Chess SA id

1160329612

FIDE id

?

Date of birth

2016-09-08 (U10)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1194.7 1200 1191.2 1200
Raw rating 1133.8 1200 1090.4 1200
Weighted rating 1194.7 1200 1191.2 1200
Weighted performance 0 0 0 0
Floor 699 700 699 700
K-factor 40 40 40 40
Min/Max rating change allowed 182.2 165.8 193.8 165.8
Highest rating 1199
2025-10-26		 1199
2025-10-26		 1199
2025-10-26		 1199
2025-10-26
Highest raw rating 1199
2025-10-26		 1199
2025-10-26		 1199
2025-10-26		 1199
2025-10-26
Highest weighted rating 1194.7
2025-11-01		 0
2025-10-26		 1191.2
2025-11-01		 0
2025-10-26
Highest weighted performance 0
2025-10-26		 0
2025-10-26		 0
2025-10-26		 0
2025-10-26

Prediction
Item Main Standard Rapid Blitz
Rating change -5.1 0 -8.4 0
New rating 1189.6 1200 1182.8 1200
Analysis
Rating 1194.7 1200 1191.2 1200
Raw rating 1133.8 1200 1090.4 1200
Weighted rating 1194.7 1200 1191.2
Weighted performance 0 0 0
K-factor 40 40 40 40
Floor 699 700 699 700
Max/Min rating change allowed 182.2 165.8 193.8 165.8
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 1133.8 1200 1090.4 1200
New weighted rating 1189.6 1200 1182.8 1200
New weighted performance 0 0 0 0
Temp new rating 1189.6 1200 1182.8 1200
Temp new rating +/- -5.1 0 -8.4 0
Final new rating +/- -5.1 0 -8.4 0
New rating 1189.6 1200 1182.8 1200
New K-factor 40 36 40 36
New floor 699 700 699 700

Item Main Standard Rapid Blitz
0 0 0 0
6 0 6 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
History 6 0 6 0

Games since
Main
6		 Standard
0		 Rapid
6		 Blitz
0
Gender M
Age group U10
Region Overberg (WOS)
Province Western Cape (WC)
Main
RSA Province Region
Overall -1 -1 -1
M -1 -1 -1
U10 -1 -1 -1
U10 M -1 -1 -1
Standard
RSA Province Region
Overall -1 -1 -1
M -1 -1 -1
U10 -1 -1 -1
U10 M -1 -1 -1
Rapid
RSA Province Region
Overall -1 -1 -1
M -1 -1 -1
U10 -1 -1 -1
U10 M -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
M -1 -1 -1
U10 -1 -1 -1
U10 M -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 6 0 0 -425 1233.6 808.6
Standard 0 0 0 0 0 0
Rapid 6 0 0 -425 1233.6 808.6
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 6 0 0 -425 1233.6 808.6
Standard 0 0 0 0 0 0
Rapid 6 0 0 -425 1233.6 808.6
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-11-01 1133.8 1200 1090.4 1200
2025-10-01 1200 1200 1200 1200
2025-09-01 1200 1200 1200 1200
2025-08-01 1200 1200 1200 1200
2025-07-01 1200 1200 1200 1200
2025-06-01 1200 1200 1200 1200
2025-05-01 1200 1200 1200 1200
2025-04-01 1200 1200 1200 1200
2025-03-01 1200 1200 1200 1200
2025-02-01 1200 1200 1200 1200
2025-01-01 1200 1200 1200 1200
2024-12-01 1200 1200 1200 1200
2024-11-01 1200 1200 1200 1200
2024-10-01 1200 1200 1200 1200
2024-09-01 1200 1200 1200 1200
2024-08-01 1200 1200 1200 1200
2024-07-01 1200 1200 1200 1200
2024-09-01 1200 1200 1200 1200
2024-05-01 1200 1200 1200 1200
2024-04-01 1200 1200 1200 1200
2024-03-01 1200 1200 1200 1200
2024-02-01 1200 1200 1200 1200
2024-01-01 1200 1200 1200 1200
2023-12-01 1200 1200 1200 1200

Comming soon.

Tournaments

No tournaments found.
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Curro Hermanus Spring Open 2025 (U9) 2025-10-18 2025-10-18 Rapid Overberg (WOS) 6 6 0 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Curro Hermanus Spring Open 2025 (U9) 2025-10-18 2025-10-18 Rapid Overberg (WOS) 6 6 0 Yes Analysis

Top 3 Streaks

No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
No games found.
# Games Start End
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 Fourie ,C (Cj) 1 0 -425 0 0 0 1 0 -425 0 0 0
1187.5 762.5 0 0 1214.1 762.5 0 0
2 Oosthuizen ,J (Josua) 1 0 -425 0 0 0 1 0 -425 0 0 0
1200.8 775.8 0 0 1186.2 775.8 0 0
3 Ellis ,A (Alexander) 1 0 -425 0 0 0 1 0 -425 0 0 0
1272.1 847.1 0 0 1280.5 847.1 0 0
4 Sander ,M (Malakai) 1 0 -425 0 0 0 1 0 -425 0 0 0
1183.8 758.8 0 0 1206.3 758.8 0 0
5 Van Der Westhuizen ,E (Erin) 1 0 -425 0 0 0 1 0 -425 0 0 0
1387.4 962.4 0 0 1350.2 962.4 0 0
6 Harikisun ,A (Aaheli) 1 0 -425 0 0 0 1 0 -425 0 0 0
1169.8 744.8 0 0 1181.9 744.8 0 0

Norms

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