PLAYER PAGE

Personal

Kotzenmacher, L (Leo)

Chess SA id

1130301077

FIDE id

?

Date of birth

2013-06-13 (U14)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-08-31

Personal details last changed

1900-01-01

Junior GPX Games

59

Junior GPX Points

1330.6

Item Main Standard Rapid Blitz
Rating 1423.3 1418.5 1200 1200
Raw rating 1423.3 1418.5 1200 1200
Weighted rating 1244.5 1236.3 1200 1200
Weighted performance 1331.3 1326.5 0 0
Floor 928.6 924.5 700 700
K-factor 32 32 36 36
Min/Max rating change allowed 120.6 121.5 165.8 165.8
Highest rating 1428.6
2025-09-01
1424.5
2025-09-01
1200
2024-04-01
1200
2024-04-01
Highest raw rating 1428.6
2025-09-01
1424.5
2025-09-01
1200
2024-04-01
1200
2024-04-01
Highest weighted rating 1420.1
2024-11-01
1415.4
2024-11-01
1200
2024-04-01
1200
2024-04-01
Highest weighted performance 1420.1
2025-07-01
1415.4
2024-12-01
1200
2024-04-01
1200
2024-04-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1423.3 1418.5 1200 1200
Analysis
Rating 1423.3 1418.5 1200 1200
Raw rating 1423.3 1418.5 1200 1200
Weighted rating 1244.5 1236.3 1200
Weighted performance 1331.3 1326.5 0
K-factor 32 32 36 36
Floor 928.6 924.5 700 700
Max/Min rating change allowed 120.6 121.5 165.8 165.8
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 1423.3 1418.5 1200 1200
New weighted rating 1262.1 1254.3 1200 1200
New weighted performance 1330.8 1326.1 0 0
Temp new rating 1423.3 1418.5 1200 1200
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1423.3 1418.5 1200 1200
New K-factor 32 32 36 36
New floor 928.6 924.5 700 700

Item Main Standard Rapid Blitz
0 0 0 0
59 59 0 0
34 34 0 0
0 0 0 0
0 0 0 0
0 0 0 0
History 93 93 0 0

Games since
Main
93
Standard
93
Rapid
0
Blitz
0
Gender Male
Age group U14
Region Johannesburg Metro (GJM)
Province Gauteng (GT)
Main
RSA Province Region
Overall 1933 681 223
Male 1614 559 186
U14 295 101 29
U14 Male 225 75 22
Standard
RSA Province Region
Overall 1866 697 218
Male 1538 568 181
U14 299 102 28
U14 Male 223 76 21
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U14 -1 -1 -1
U14 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U14 -1 -1 -1
U14 Male -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 59 34.5 58.47 72 1281.9 1354
Standard 59 34.5 58.47 72 1281.9 1354
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 93 42.5 45.7 -36.6 1264.2 1227.7
Standard 93 42.5 45.7 -36.6 1264.2 1227.7
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0

Date Main Standard Rapid Blitz
2025-09-30 1423.3 1418.5 1200 1200
2025-09-01 1428.6 1424.5 1200 1200
2025-08-01 1420.1 1415.4 1200 1200
2025-07-01 1420.1 1415.4 1200 1200
2025-06-01 1310.6 1305.3 1200 1200
2025-05-01 1289.1 1285 1200 1200
2025-04-01 1289.1 1285 1200 1200
2025-03-01 1309.4 1309.2 1200 1200
2025-02-01 1116.2 1105.6 1200 1200
2025-01-01 1062.7 1055.2 1200 1200
2024-12-01 1062.7 1055.2 1200 1200
2024-11-01 1062.7 1055.2 1200 1200
2024-10-01 1062.7 1055.2 1200 1200
2024-09-01 1059 1047.6 1200 1200
2024-08-01 1047.6 1019.6 1200 1200
2024-07-01 1080.8 1054.4 1200 1200
2024-06-01 1145.9 1120.8 1200 1200
2024-08-01 1145.9 1120.8 1200 1200
2024-04-01 1135.9 1105.6 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
2023-11-01 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 Fourth Knight Riders Juniors Open Chess Tournament 2025 (B) 2025-08-31 2025-08-31 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
2 JMC Closed 2025 (U14) 2025-08-09 2025-08-10 Standard Johannesburg Metro (GJM) 5 3 2 Yes Analysis
3 Third Knight Riders Junior Open 2025 (B+C) 2025-06-22 2025-06-22 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
4 JCC Steyn City High Schools League 2025 (A) 2025-05-07 2025-06-09 Standard Johannesburg Metro (GJM) 6 1 1 Yes Analysis
5 Knight Riders Juniors Open Chess Tournament 2025 (C) 2025-05-25 2025-05-25 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
6 Moja Chess Extravaganza 2025 (U14) 2025-04-26 2025-04-28 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
7 JMC Crawford Sandton 2025 (C) 2025-05-10 2025-05-10 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
8 2nd Knight Riders Junior Open 2025 (C) 2025-03-23 2025-03-23 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
9 JCC - Dainfern Chess League 2025 (A) 2025-02-03 2025-03-17 Standard Johannesburg Metro (GJM) 6 5 2 Yes Analysis
10 JMC Crawford Ruimsig 2025 (D) 2025-03-01 2025-03-01 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
11 Knight Riders Open Chess Tournament 2025 (C) 2025-02-22 2025-02-22 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
12 First Knights Juniors Chess Tournament 2025 (D) 2025-02-09 2025-02-09 Standard Johannesburg Metro (GJM) 5 5 4.5 Yes Analysis
13 JMC Kick Off 2025 (D) 2025-02-02 2025-02-02 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Fourth Knight Riders Juniors Open Chess Tournament 2025 (B) 2025-08-31 2025-08-31 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
2 JMC Closed 2025 (U14) 2025-08-09 2025-08-10 Standard Johannesburg Metro (GJM) 5 3 2 Yes Analysis
3 Third Knight Riders Junior Open 2025 (B+C) 2025-06-22 2025-06-22 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
4 JCC Steyn City High Schools League 2025 (A) 2025-05-07 2025-06-09 Standard Johannesburg Metro (GJM) 6 1 1 Yes Analysis
5 Knight Riders Juniors Open Chess Tournament 2025 (C) 2025-05-25 2025-05-25 Standard Johannesburg Metro (GJM) 5 5 2.5 Yes Analysis
6 Moja Chess Extravaganza 2025 (U14) 2025-04-26 2025-04-28 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
7 JMC Crawford Sandton 2025 (C) 2025-05-10 2025-05-10 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
8 2nd Knight Riders Junior Open 2025 (C) 2025-03-23 2025-03-23 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
9 JCC - Dainfern Chess League 2025 (A) 2025-02-03 2025-03-17 Standard Johannesburg Metro (GJM) 6 5 2 Yes Analysis
10 JMC Crawford Ruimsig 2025 (D) 2025-03-01 2025-03-01 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
11 Knight Riders Open Chess Tournament 2025 (C) 2025-02-22 2025-02-22 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
12 First Knights Juniors Chess Tournament 2025 (D) 2025-02-09 2025-02-09 Standard Johannesburg Metro (GJM) 5 5 4.5 Yes Analysis
13 JMC Kick Off 2025 (D) 2025-02-02 2025-02-02 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
14 Knight Riders Spring Chess Tournament 2024 (D) 2024-09-28 2024-09-28 Standard Johannesburg Metro (GJM) 5 5 1.5 Yes Analysis
15 JMC Closed 2024 (D) 2024-08-09 2024-08-11 Standard Johannesburg Metro (GJM) 5 4 0 Yes Analysis
16 Fourth Knight Riders Juniors Open Chess Tournament 204 (D) 2024-08-03 2024-08-03 Standard Johannesburg Metro (GJM) 5 5 3 Yes Analysis
17 Chess Power House July Open 2024 (C) 2024-07-20 2024-07-20 Standard Johannesburg Metro (GJM) 5 4 0 Yes Analysis
18 Second Knight Riders Juniors Open Chess Tournament 2024 (C) 2024-06-08 2024-06-08 Standard Johannesburg Metro (GJM) 5 5 2 Yes Analysis
19 JCC Steyn City High Schools League 2024 (A) 2024-05-11 2024-05-25 Standard Johannesburg Metro (GJM) 6 2 0 Yes Analysis
20 JCC Steyn City High Schools League 2024 (B) 2024-05-11 2024-05-25 Standard Johannesburg Metro (GJM) 6 3 0.5 Yes Analysis
21 Dainfern College Chess League 2024 (B) 2024-01-29 2024-03-11 Standard Johannesburg Metro (GJM) 6 2 1 Yes Analysis
22 1st Knights Open Tournament 2024 (D) 2024-03-23 2024-03-23 Standard Johannesburg Metro (GJM) 5 4 0 Yes Analysis

Top 3 Streaks

# Games Start End
1 7 Tournament
JMC Kick Off 2025
Tournament
First Knights Juniors Chess Tournament 2025
date
2025-02-02
rnd
5
type
Standard
result
1
date
2025-02-09
rnd
5
type
Standard
result
1
Opponent
Gadney, L (Liam)
Opponent
Botha, R (Ruan)
2 5 Tournament
JMC Crawford Sandton 2025
Tournament
Knight Riders Juniors Open Chess Tournament 2025
date
2025-05-10
rnd
3
type
Standard
result
1
date
2025-05-25
rnd
1
type
Standard
result
1
Opponent
Ferreira, D (Daniela)
Opponent
Lala, K (Kiyaan)
3 3 Tournament
Third Knight Riders Junior Open 2025
Tournament
JMC Closed 2025
date
2025-06-22
rnd
4
type
Standard
result
0.5
date
2025-08-09
rnd
1
type
Standard
result
1
Opponent
Finnemore, E (Ewan)
Opponent
Steyl, J (Juan)
# Games Start End
1 7 Tournament
JMC Kick Off 2025
Tournament
First Knights Juniors Chess Tournament 2025
date
2025-02-02
rnd
5
type
Standard
result
1
date
2025-02-09
rnd
5
type
Standard
result
1
Opponent
Gadney, L (Liam)
Opponent
Botha, R (Ruan)
2 5 Tournament
JMC Crawford Sandton 2025
Tournament
Knight Riders Juniors Open Chess Tournament 2025
date
2025-05-10
rnd
3
type
Standard
result
1
date
2025-05-25
rnd
1
type
Standard
result
1
Opponent
Ferreira, D (Daniela)
Opponent
Lala, K (Kiyaan)
3 3 Tournament
Third Knight Riders Junior Open 2025
Tournament
JMC Closed 2025
date
2025-06-22
rnd
4
type
Standard
result
0.5
date
2025-08-09
rnd
1
type
Standard
result
1
Opponent
Finnemore, E (Ewan)
Opponent
Steyl, J (Juan)
No games found.
# Games Start End
No games found.
# Games Start End
# Games Start End
1 5 Tournament
JMC Crawford Sandton 2025
Tournament
Knight Riders Juniors Open Chess Tournament 2025
date
2025-05-10
rnd
3
type
Standard
result
1
date
2025-05-25
rnd
1
type
Standard
result
1
Opponent
Ferreira, D (Daniela)
Opponent
Lala, K (Kiyaan)
2 3 Tournament
First Knights Juniors Chess Tournament 2025
Tournament
First Knights Juniors Chess Tournament 2025
date
2025-02-09
rnd
3
type
Standard
result
1
date
2025-02-09
rnd
5
type
Standard
result
1
Opponent
Kutumela, B (Bokang)
Opponent
Botha, R (Ruan)
3 3 Tournament
JMC Kick Off 2025
Tournament
First Knights Juniors Chess Tournament 2025
date
2025-02-02
rnd
5
type
Standard
result
1
date
2025-02-09
rnd
1
type
Standard
result
1
Opponent
Gadney, L (Liam)
Opponent
Manalavan, J (Jacob)
# Games Start End
1 5 Tournament
JMC Crawford Sandton 2025
Tournament
Knight Riders Juniors Open Chess Tournament 2025
date
2025-05-10
rnd
3
type
Standard
result
1
date
2025-05-25
rnd
1
type
Standard
result
1
Opponent
Ferreira, D (Daniela)
Opponent
Lala, K (Kiyaan)
2 3 Tournament
First Knights Juniors Chess Tournament 2025
Tournament
First Knights Juniors Chess Tournament 2025
date
2025-02-09
rnd
3
type
Standard
result
1
date
2025-02-09
rnd
5
type
Standard
result
1
Opponent
Kutumela, B (Bokang)
Opponent
Botha, R (Ruan)
3 3 Tournament
JMC Kick Off 2025
Tournament
First Knights Juniors Chess Tournament 2025
date
2025-02-02
rnd
5
type
Standard
result
1
date
2025-02-09
rnd
1
type
Standard
result
1
Opponent
Gadney, L (Liam)
Opponent
Manalavan, J (Jacob)
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 Chauke ,N (Nokukhanya) 4 4 425 4 4 425 0 0 0 0 0 0
1050.7 1475.7 1041.6 1475.7 0 0 0 0
2 Maduna ,A (Asanda) 3 2 141.7 3 2 141.7 0 0 0 0 0 0
1147.6 1289.3 1133.9 1289.3 0 0 0 0
3 Julius ,J (Joshua) 2 2 425 2 2 425 0 0 0 0 0 0
1199.8 1624.8 1199.8 1624.8 0 0 0 0
4 Steyn ,K (Kian) 2 0 -425 2 0 -425 0 0 0 0 0 0
1608.2 1183.2 1593 1183.2 0 0 0 0
5 Mankena ,S (Satvik Ram) 2 0 -425 2 0 -425 0 0 0 0 0 0
1609.8 1184.8 1598.5 1184.8 0 0 0 0
6 Mkulisi ,B (Baphiwe) 2 0 -425 2 0 -425 0 0 0 0 0 0
1153.8 728.8 1144.2 728.8 0 0 0 0
7 Forshaw ,C (Chloe) 2 1.5 212.5 2 1.5 212.5 0 0 0 0 0 0
1184.5 1397 1181.4 1397 0 0 0 0
8 Mahale ,A (Agastya) 2 0 -425 2 0 -425 0 0 0 0 0 0
1220.2 795.2 1217.6 795.2 0 0 0 0
9 Sibeko ,E (Emihle) 1 0 -425 1 0 -425 0 0 0 0 0 0
1286.7 861.7 1160 861.7 0 0 0 0
10 Mohlala ,T (Tshepang) 1 0 -425 1 0 -425 0 0 0 0 0 0
1258.6 833.6 1269.4 833.6 0 0 0 0

Norms

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