PLAYER PAGE

Personal

Kotze, CJ (Christiaan Jacob)

Chess SA id

107052210

FIDE id

14322587

Date of birth

2007-05-07 (U20)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

CM

Chess SA registered

Yes

Last active game

2025-02-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item Main Standard Rapid Blitz
Rating 1621.9 1623.9 1603.1 1273.3
Raw rating 1621.9 1623.9 1603.1 1273.3
Weighted rating 1619.4 1621.5 1597.2 1273.3
Weighted performance 1394.2 1362.8 1334.5 0
Floor 1145.6 1148.2 1103.1 773.3
K-factor 28 28 28 36
Min/Max rating change allowed 90.9 90.6 93.4 149.4
Highest rating 1645.6
2024-04-01
1648.2
2024-03-01
1603.1
2024-09-01
1331.4
2020-02-01
Highest raw rating 1645.6
2024-04-01
1648.2
2024-03-01
1603.1
2024-09-01
1273.3
2024-02-01
Highest weighted rating 1645.6
2024-05-01
1648.2
2024-05-01
1592.5
2025-08-01
1273.3
2024-02-01
Highest weighted performance 1639.1
2023-05-01
1626
2023-05-01
1588.6
2024-03-01
1331.4
2020-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change 0 0 0 0
New rating 1621.9 1623.9 1603.1 1273.3
Analysis
Rating 1621.9 1623.9 1603.1 1273.3
Raw rating 1621.9 1623.9 1603.1 1273.3
Weighted rating 1619.4 1621.5 1597.2
Weighted performance 1394.2 1362.8 1334.5
K-factor 28 28 28 36
Floor 1145.6 1148.2 1103.1 773.3
Max/Min rating change allowed 90.9 90.6 93.4 149.4
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 1621.9 1623.9 1603.1 1273.3
New weighted rating 1619.5 1621.6 1598.9 1273.3
New weighted performance 1393.7 1362.3 1333.9 0
Temp new rating 1621.9 1623.9 1603.1 1273.3
Temp new rating +/- 0 0 0 0
Final new rating +/- 0 0 0 0
New rating 1621.9 1623.9 1603.1 1273.3
New K-factor 28 28 28 36
New floor 1145.6 1148.2 1103.1 773.3

Item Main Standard Rapid Blitz
0 0 0 0
5 5 0 0
43 19 24 0
35 15 20 0
32 12 20 0
0 0 0 0
History 464 385 64 15

Games since
Main
58
Standard
24
Rapid
34
Blitz
0
Gender Male
Age group U20
Region Mangaung (FMB)
Province Free State (FS)
Main
RSA Province Region
Overall 548 6 4
Male 507 6 4
U20 54 1 1
U20 Male 50 1 1
Standard
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U20 -1 -1 -1
U20 Male -1 -1 -1
Rapid
RSA Province Region
Overall 99 3 3
Male 97 3 3
U20 7 1 1
U20 Male 7 1 1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U20 -1 -1 -1
U20 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 5 3.5 70 170 1480 1650
Standard 5 3.5 70 170 1480 1650
Rapid 0 0 0 0 0 0
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 208 145.5 69.95 169.6 1365.4 1535
Standard 138 86.5 62.68 107.8 1384.1 1491.8
Rapid 64 55.5 86.72 312.1 1321.8 1633.9
Blitz 6 3.5 58.33 70.8 1402.8 1473.6

Date Main Standard Rapid Blitz
2025-09-30 1621.9 1623.9 1603.1 1273.3
2025-09-01 1621.9 1623.9 1603.1 1273.3
2025-08-01 1621.9 1623.9 1603.1 1273.3
2025-07-01 1621.9 1623.9 1603.1 1273.3
2025-06-01 1621.9 1623.9 1603.1 1273.3
2025-05-01 1621.9 1623.9 1603.1 1273.3
2025-04-01 1621.9 1623.9 1603.1 1273.3
2025-03-01 1621.9 1623.9 1603.1 1273.3
2025-02-01 1618.2 1620.2 1603.1 1273.3
2025-01-01 1612.9 1611.2 1603.1 1273.3
2024-12-01 1612.9 1611.2 1603.1 1273.3
2024-11-01 1612.9 1611.2 1603.1 1273.3
2024-10-01 1612.9 1611.2 1603.1 1273.3
2024-09-01 1612.9 1611.2 1603.1 1273.3
2024-08-01 1602.4 1611.2 1583.3 1273.3
2024-07-01 1602.4 1611.2 1583.3 1273.3
2024-06-01 1602.4 1611.2 1583.3 1273.3
2024-08-01 1645.6 1648.2 1583.3 1273.3
2024-04-01 1645.6 1648.2 1583.3 1273.3
2024-03-01 1640.8 1648.2 1571.1 1273.3
2024-02-01 1618.2 1635.3 1532.7 1273.3
2024-01-01 1626.8 1635.3 1547.8 1273.3
2023-12-01 1626.8 1622 1480.6 1273.3
2023-11-01 1626.8 1622 1480.6 1273.3

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 Grey College Team Championship 2025 (Prestige) 2025-02-21 2025-02-22 Standard Mangaung (FMB) 5 5 3.5 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Grey College Team Championship 2025 (Prestige) 2025-02-21 2025-02-22 Standard Mangaung (FMB) 5 5 3.5 Yes Analysis
2 Bloemfontein Highschool League 02 Aug 2024 (U19A) 2024-08-02 2024-08-02 Rapid Mangaung (FMB) 5 5 5 Yes Analysis
3 South African Junior Closed Chess Championship 2024 (U18 Open) 2024-04-27 2024-05-01 Standard Ekurhuleni (GE) 9 9 2 Yes Analysis
4 Spartan Bishops Chess Championships 2024 (Rooks) 2024-05-04 2024-05-05 Standard Bojanala Platina (NBR) 5 5 3.5 Yes Analysis
5 Bloemfontein Highschool League 2024 (U19A) 2024-03-08 2024-03-08 Rapid Mangaung (FMB) 5 4 4 Yes Analysis
6 Mangaung Metro Chess 10 February 2024 (A) 2024-02-10 2024-02-10 Rapid Mangaung (FMB) 5 5 2.5 Yes Analysis
7 Grey College Team Championship 2024 (A) 2024-02-23 2024-02-24 Standard Mangaung (FMB) 5 5 4 Yes Analysis
8 Bloemfontein High School League 16 February 2024 (U19A+U19B) 2024-02-16 2024-02-16 Rapid Mangaung (FMB) 5 5 4.5 Yes Analysis
9 Kings & Queens Chess 27 January 2024 (A) 2024-01-27 2024-01-27 Rapid Mangaung (FMB) 5 5 3.5 Yes Analysis
10 Bloemfontein HS League 13 October 2023 (U17+U19) 2023-10-13 2023-10-13 Rapid Mangaung (FMB) 5 5 5 Yes Analysis
11 Bloemfontein HS League 27 October 2023 (U19) 2023-10-27 2023-10-27 Rapid Cape Winelands (WCW) 5 5 4.5 Yes Analysis
12 Morris Club Championship 2023 2023-07-28 2023-07-28 Rapid Mangaung (FMB) 5 5 3 Yes Analysis
13 9th Piet van Zyl Chess Festival 2023 (A) 2023-05-26 2023-05-27 Standard Mangaung (FMB) 5 5 3 Yes Analysis
14 Inter Regional Chess Championship 2023 (U18) 2023-05-19 2023-05-20 Standard Mangaung (FMB) 5 5 4 Yes Analysis
15 Grey College Team Championship 2023 (A) 2023-02-03 2023-02-04 Standard Mangaung (FMB) 5 5 4.5 Yes Analysis
16 Bloemfontein Highschool League 24 Feb 2023 (U19A) 2023-02-24 2023-02-24 Rapid Mangaung (FMB) 5 5 5 Yes Analysis
17 2022 South African Junior Team Chess Championships (U18 Open) 2022-12-04 2022-12-08 Standard 4 Knights (4K) 7 7 4 Yes Analysis
18 Bloemfontein School League 2022 (U19) 2022-08-12 2022-08-12 Rapid Mangaung (FMB) 5 5 4 Yes Analysis
19 Mangaung Metro Chess 30 July 2022 (A) 2022-07-30 2022-07-30 Rapid Mangaung (FMB) 5 5 5 Yes Analysis
20 Bloemfontein Schools League 2022 (U19+Open) 2022-02-25 2022-02-25 Rapid Mangaung (FMB) 5 5 5 Yes Analysis
21 Grey College Team Championship 2022 (A) 2022-02-18 2022-02-19 Standard Mangaung (FMB) 5 5 5 Yes Analysis
22 Mangaung Metro Chess 22 January 2022 (A) 2022-01-22 2022-01-22 Rapid Mangaung (FMB) 5 5 4.5 Yes Analysis
23 Smart Chess Blitz 2020 (Open) 2020-02-29 2020-02-29 Blitz Mangaung (FMB) 7 6 3.5 Yes Analysis
24 Morris Club Tournament 2020 2020-02-15 2020-02-15 Standard Mangaung (FMB) 5 4 2 Yes Analysis
25 Mangaung Metro Chess February 2020 (A) 2020-02-21 2020-02-22 Standard Mangaung (FMB) 5 5 4 Yes Analysis
26 Mangaung Metro Chess 17-18 January 2020 (A) 2020-01-17 2020-01-18 Standard Mangaung (FMB) 5 5 3 Yes Analysis
27 2019 South African Junior Team Championships (U18A) 2020-01-04 2020-01-08 Standard 4 Knights (4K) 7 7 5 Yes Analysis
28 Mangaung Metro Chess October 2019 (A) 2019-10-11 2019-10-12 Standard Mangaung (FMB) 5 5 4 Yes Analysis
29 Mangaung Metro July Trials 2019 (U18) 2019-07-19 2019-07-20 Standard Mangaung (FMB) 5 5 3.5 Yes Analysis
30 Mangaung Metro Chess 31 May to 1 June 2019 (A+B) 2019-05-31 2019-06-01 Standard Mangaung (FMB) 5 5 3 Yes Analysis
31 Inter Regional Chess Championship 2019 (U14) 2019-05-10 2019-05-11 Standard Mangaung (FMB) 5 5 3.5 Yes Analysis
32 Mangaung Metro Chess 12 to 13 April 2019 (A) 2019-04-12 2019-04-13 Standard Mangaung (FMB) 5 5 3 Yes Analysis
33 Mangaung Metro Chess 1-2 February 2019 (A) 2019-02-01 2019-02-02 Standard Mangaung (FMB) 5 5 2.5 Yes Analysis
34 Mangaung Metro Chess12 & 13 October 2018 (A) 2018-10-12 2018-10-13 Standard Mangaung (FMB) 5 5 2.5 Yes Analysis
35 Mangaung Metro Chess 27-28 July 2018 (A) 2018-07-27 2018-07-28 Standard Mangaung (FMB) 5 5 2 Yes Analysis
36 Mangaung Metro Chess 20-21 April 2018 (A) 2018-04-20 2018-04-21 Standard Mangaung (FMB) 5 5 4 Yes Analysis
37 Mangaung Metro Chess 9 - 10 March 2018 (A) 2018-03-09 2018-03-10 Standard Mangaung (FMB) 5 4 2 Yes Analysis
38 Morris Club Challenge 2018 2018-02-17 2018-02-17 Standard Mangaung (FMB) 5 5 1 Yes Analysis
39 Mangaung Metro Chess 19 & 20 January 2018 (B) 2018-01-19 2018-01-20 Standard Mangaung (FMB) 5 5 3 Yes Analysis
40 South African Junior Team Championships 2017 (U12A) 2018-01-04 2018-01-08 Standard 4 Knights (4K) 7 7 5 Yes Analysis

Top 3 Streaks

# Games Start End
1 25 Tournament
Smart Chess Blitz 2020
Tournament
Bloemfontein School League 2022
date
2020-02-29
rnd
6
type
Blitz
result
1
date
2022-08-12
rnd
4
type
Rapid
result
1
Opponent
Slamat, I (Ishtar)
Opponent
Mitchell, V (Vanadium)
2 19 Tournament
2022 South African Junior Team Chess Championships
Tournament
9th Piet van Zyl Chess Festival 2023
date
2022-12-07
rnd
5
type
Standard
result
1
date
2023-05-26
rnd
1
type
Standard
result
1
Opponent
Mokone, G (Gomolemo)
Opponent
Botes, D (Dion)
3 14 Tournament
Bloemfontein High School League 16 February 2024
Tournament
Bloemfontein Highschool League 2024
date
2024-02-16
rnd
1
type
Rapid
result
1
date
2024-03-08
rnd
4
type
Rapid
result
1
Opponent
Beelders, R (Ryan)
Opponent
Fumba, I (Immanuel)
# Games Start End
1 15 Tournament
Morris Club Tournament 2020
Tournament
2022 South African Junior Team Chess Championships
date
2020-02-15
rnd
3
type
Standard
result
0.5
date
2022-12-04
rnd
2
type
Standard
result
1
Opponent
Manaba, T (Thembani)
Opponent
Ogunjiofor, AJ (Asinobi)
2 14 Tournament
2022 South African Junior Team Chess Championships
Tournament
9th Piet van Zyl Chess Festival 2023
date
2022-12-07
rnd
5
type
Standard
result
1
date
2023-05-26
rnd
1
type
Standard
result
1
Opponent
Mokone, G (Gomolemo)
Opponent
Botes, D (Dion)
3 10 Tournament
Mangaung Metro July Trials 2019
Tournament
2019 South African Junior Team Championships
date
2019-07-20
rnd
3
type
Standard
result
1
date
2020-01-04
rnd
2
type
Standard
result
1
Opponent
Nyathela, T (Tshwaro)
Opponent
Mokhotsoa, KR (Kamohelo)
# Games Start End
1 19 Tournament
Mangaung Metro Chess 22 January 2022
Tournament
Bloemfontein School League 2022
date
2022-01-22
rnd
1
type
Rapid
result
1
date
2022-08-12
rnd
4
type
Rapid
result
1
Opponent
Shariff, J (Juan-Pierre)
Opponent
Mitchell, V (Vanadium)
2 14 Tournament
Bloemfontein High School League 16 February 2024
Tournament
Bloemfontein Highschool League 02 Aug 2024
date
2024-02-16
rnd
1
type
Rapid
result
1
date
2024-08-02
rnd
5
type
Rapid
result
1
Opponent
Beelders, R (Ryan)
Opponent
Weng, Q (Qi)
3 14 Tournament
Morris Club Championship 2023
Tournament
Kings & Queens Chess 27 January 2024
date
2023-07-28
rnd
5
type
Rapid
result
1
date
2024-01-27
rnd
3
type
Rapid
result
1
Opponent
Mohobane, L (Lebajoa)
Opponent
Lebenya, MJ (Masilonyana)
# Games Start End
1 2 Tournament
Smart Chess Blitz 2020
Tournament
Smart Chess Blitz 2020
date
2020-02-29
rnd
3
type
Blitz
result
1
date
2020-02-29
rnd
4
type
Blitz
result
0.5
Opponent
Nxumalo, M (Melusi)
Opponent
Posholi, K (Kamohelo)
2 1 Tournament
Smart Chess Blitz 2020
Tournament
Smart Chess Blitz 2020
date
2020-02-29
rnd
6
type
Blitz
result
1
date
2020-02-29
rnd
6
type
Blitz
result
1
Opponent
Slamat, I (Ishtar)
Opponent
Slamat, I (Ishtar)
3 1 Tournament
Smart Chess Blitz 2020
Tournament
Smart Chess Blitz 2020
date
2020-02-29
rnd
1
type
Blitz
result
1
date
2020-02-29
rnd
1
type
Blitz
result
1
Opponent
Mutambala, B (Baraka)
Opponent
Mutambala, B (Baraka)
# Games Start End
1 21 Tournament
Mangaung Metro Chess 22 January 2022
Tournament
Bloemfontein School League 2022
date
2022-01-22
rnd
4
type
Rapid
result
1
date
2022-08-12
rnd
4
type
Rapid
result
1
Opponent
Lebenya, MJ (Masilonyana)
Opponent
Mitchell, V (Vanadium)
2 8 Tournament
Morris Club Championship 2023
Tournament
Bloemfontein HS League 27 October 2023
date
2023-07-28
rnd
5
type
Rapid
result
1
date
2023-10-27
rnd
2
type
Rapid
result
1
Opponent
Mohobane, L (Lebajoa)
Opponent
Van Rensburg, M (Malan)
3 8 Tournament
Bloemfontein Highschool League 24 Feb 2023
Tournament
Inter Regional Chess Championship 2023
date
2023-02-24
rnd
1
type
Rapid
result
1
date
2023-05-20
rnd
3
type
Standard
result
1
Opponent
Matsoso, K (Kgotso)
Opponent
Jonkers, P (Poloko)
# Games Start End
1 7 Tournament
Grey College Team Championship 2022
Tournament
2022 South African Junior Team Chess Championships
date
2022-02-18
rnd
1
type
Standard
result
1
date
2022-12-04
rnd
2
type
Standard
result
1
Opponent
Kitengye, A (Armand)
Opponent
Ogunjiofor, AJ (Asinobi)
2 4 Tournament
Grey College Team Championship 2023
Tournament
Grey College Team Championship 2023
date
2023-02-03
rnd
1
type
Standard
result
1
date
2023-02-04
rnd
4
type
Standard
result
1
Opponent
Jansen, R (Rikus)
Opponent
Deshmukh, M (Mohammed Isah)
3 4 Tournament
Mangaung Metro Chess 9 - 10 March 2018
Tournament
Mangaung Metro Chess 20-21 April 2018
date
2018-03-10
rnd
5
type
Standard
result
1
date
2018-04-21
rnd
3
type
Standard
result
1
Opponent
Lucas, M (Melvyn)
Opponent
Lebenya, MJ (Masilonyana)
# Games Start End
1 16 Tournament
Mangaung Metro Chess 22 January 2022
Tournament
Bloemfontein School League 2022
date
2022-01-22
rnd
4
type
Rapid
result
1
date
2022-08-12
rnd
4
type
Rapid
result
1
Opponent
Lebenya, MJ (Masilonyana)
Opponent
Mitchell, V (Vanadium)
2 10 Tournament
Bloemfontein High School League 16 February 2024
Tournament
Bloemfontein Highschool League 02 Aug 2024
date
2024-02-16
rnd
5
type
Rapid
result
1
date
2024-08-02
rnd
5
type
Rapid
result
1
Opponent
Badenhorst, M (Matthew Peter)
Opponent
Weng, Q (Qi)
3 8 Tournament
Morris Club Championship 2023
Tournament
Bloemfontein HS League 27 October 2023
date
2023-07-28
rnd
5
type
Rapid
result
1
date
2023-10-27
rnd
2
type
Rapid
result
1
Opponent
Mohobane, L (Lebajoa)
Opponent
Van Rensburg, M (Malan)
# Games Start End
1 1 Tournament
Smart Chess Blitz 2020
Tournament
Smart Chess Blitz 2020
date
2020-02-29
rnd
6
type
Blitz
result
1
date
2020-02-29
rnd
6
type
Blitz
result
1
Opponent
Slamat, I (Ishtar)
Opponent
Slamat, I (Ishtar)
2 1 Tournament
Smart Chess Blitz 2020
Tournament
Smart Chess Blitz 2020
date
2020-02-29
rnd
3
type
Blitz
result
1
date
2020-02-29
rnd
3
type
Blitz
result
1
Opponent
Nxumalo, M (Melusi)
Opponent
Nxumalo, M (Melusi)
3 1 Tournament
Smart Chess Blitz 2020
Tournament
Smart Chess Blitz 2020
date
2020-02-29
rnd
1
type
Blitz
result
1
date
2020-02-29
rnd
1
type
Blitz
result
1
Opponent
Mutambala, B (Baraka)
Opponent
Mutambala, B (Baraka)

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 Lebenya ,MJ (Masilonyana Johannes) 6 5.5 354.2 4 3.5 318.8 2 2 425 0 0 0
1407.3 1761.4 1397.8 1726 1413.6 1832.3 0 0
2 Posholi ,K (Kamohelo) 4 0.5 -318.8 3 0 -425 0 0 0 1 0.5 0
1583 1264.2 1535.8 1158 0 0 1333 1583
3 Van Rooyen ,H (Hanro) 4 3.5 318.8 2 1.5 212.5 2 2 425 0 0 0
1384.8 1703.6 1375.5 1597.3 1007.8 1809.8 0 0
4 Rossouw ,J (Johrne) 4 3.5 318.8 0 0 0 4 3.5 318.8 0 0 0
1474.5 1793.2 0 0 1228.9 1793.2 0 0
5 Motaung ,L (Lehlohonolo) 3 1 -141.7 3 1 -141.7 0 0 0 0 0 0
1473.1 1331.4 1482.9 1331.4 0 0 0 0
6 Pretorius ,M (Marco) 3 1 -141.7 3 1 -141.7 0 0 0 0 0 0
1310 1168.4 1315.6 1168.4 0 0 0 0
7 Modirwa ,O (Ofentse) 3 1.5 0 2 1 0 1 0.5 0 0 0 0
1610.9 1610.9 1552.4 1610.9 1570 1610.9 0 0
8 Peters ,V (Vaughan) 3 3 425 2 2 425 1 1 425 0 0 0
1173.9 1598.9 1160 1598.9 1126 1598.9 0 0
9 Acho ,CT (Christiaan) 3 0 -425 2 0 -425 1 0 -425 0 0 0
1989.1 1564.1 1959.5 1564.1 1971.8 1564.1 0 0
10 Mutambala ,B (Baraka) 3 3 425 2 2 425 0 0 0 1 1 425
1249.5 1674.5 1244.1 1674.5 0 0 953.4 1674.5

Norms

No norms achieved.
# Norm Tournament Start End Rounds Games Score Details
© Chess South Africa