PLAYER PAGE

Personal

Muller, C (Christiaan)

Chess SA id

109080785

FIDE id

?

Date of birth

2009-05-04 (U18)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

No

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

20

Junior GPX Points

1283.7

Item Main Standard Rapid Blitz
Rating 1443.9 1411.9 1478.8 742.6
Raw rating 1442.1 1410.2 1478.8 742.6
Weighted rating 1443.9 1411.9 1452.7 742.4
Weighted performance 1329.5 1254.9 1238.8 0
Floor 978.8 957.4 978.8 500
K-factor 32 32 32 40
Min/Max rating change allowed 117.4 122.9 111.5 318.2
Highest rating 1493.2
2023-04-01
1457.4
2023-10-01
1478.8
2025-03-01
1200
2018-02-01
Highest raw rating 1478.8
2025-04-01
1457.4
2023-10-01
1478.8
2025-03-01
742.6
2024-02-01
Highest weighted rating 1478.8
2024-03-01
1457.4
2024-02-01
1445.4
2025-08-01
742.6
2024-11-01
Highest weighted performance 1493.2
2023-04-01
1421.4
2020-02-01
1440.3
2023-02-01
1200
2018-02-01

Prediction
Item Main Standard Rapid Blitz
Rating change -0 -0.2 0 0
New rating 1443.9 1411.6 1478.8 742.6
Analysis
Rating 1443.9 1411.9 1478.8 742.6
Raw rating 1442.1 1410.2 1478.8 742.6
Weighted rating 1443.9 1411.9 1452.7
Weighted performance 1329.5 1254.9 1238.8
K-factor 32 32 32 40
Floor 978.8 957.4 978.8 500
Max/Min rating change allowed 117.4 122.9 111.5 318.2
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 1442.1 1410.2 1478.8 742.6
New weighted rating 1443.9 1411.6 1455.9 742.6
New weighted performance 1329 1254.5 1238.3 0
Temp new rating 1443.9 1411.6 1478.8 742.6
Temp new rating +/- -0 -0.2 0 0
Final new rating +/- -0 -0.2 0 0
New rating 1443.9 1411.6 1478.8 742.6
New K-factor 32 32 32 40
New floor 978.8 957.4 978.8 500

Item Main Standard Rapid Blitz
0 0 0 0
23 17 6 0
16 11 5 0
43 20 16 7
22 11 11 0
24 18 6 0
History 289 208 60 21

Games since
Main
50
Standard
32
Rapid
11
Blitz
7
Gender Male
Age group U18
Region Overberg (WOS)
Province Western Cape (WC)
Main
RSA Province Region
Overall 1721 519 26
Male 1449 422 19
U18 282 87 3
U18 Male 246 74 3
Standard
RSA Province Region
Overall 1931 524 27
Male 1587 406 19
U18 320 79 5
U18 Male 275 63 4
Rapid
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U18 -1 -1 -1
U18 Male -1 -1 -1
Blitz
RSA Province Region
Overall -1 -1 -1
Male -1 -1 -1
U18 -1 -1 -1
U18 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 23 14.5 63.04 110.9 1332 1442.9
Standard 17 8.5 50 0 1348.6 1348.6
Rapid 6 6 100 425 1285 1710
Blitz 0 0 0 0 0 0
History
Games Score % Dp AvgOpp Performance
Main 255 164.5 64.51 123.3 1251.4 1374.8
Standard 179 114.5 63.97 118.7 1241.5 1360.2
Rapid 55 42 76.36 224.1 1258.9 1483
Blitz 21 8 38.1 -101.2 1316.9 1215.7

Date Main Standard Rapid Blitz
2025-09-30 1442.1 1410.2 1478.8 742.6
2025-09-01 1444.3 1413.1 1478.8 742.6
2025-08-01 1444.3 1413.1 1478.8 742.6
2025-07-01 1444.3 1413.1 1478.8 742.6
2025-06-01 1444.3 1413.1 1478.8 742.6
2025-05-01 1442.7 1409.5 1478.8 742.6
2025-04-01 1478.8 1424.1 1478.8 742.6
2025-03-01 1477.9 1416.8 1478.8 742.6
2025-02-01 1441 1416.8 1422.5 742.6
2025-01-01 1441 1416.8 1422.5 742.6
2024-12-01 1441 1416.8 1422.5 742.6
2024-11-01 1441 1416.8 1422.5 742.6
2024-10-01 1441 1416.8 1422.5 742.6
2024-09-01 1424.3 1395 1422.5 742.6
2024-08-01 1424.3 1395 1422.5 742.6
2024-07-01 1424.3 1395 1422.5 742.6
2024-06-01 1424.3 1395 1422.5 742.6
2024-08-01 1424.3 1395 1422.5 742.6
2024-04-01 1424.3 1395 1422.5 742.6
2024-03-01 1449 1421.9 1422.5 742.6
2024-02-01 1441.2 1421.9 1403.3 742.6
2024-01-01 1441.2 1421.9 1403.3 742.6
2023-12-01 1441.2 1421.9 1403.3 742.6
2023-11-01 1475.2 1457.4 1403.3 673.8

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 Western Cape Schools - Top Schools 2025 (U17) 2025-09-06 2025-09-07 Standard Overberg (WOS) 6 6 3 Yes Analysis
2 Western Cape Schools Individual Championship 2025 (U17 Boys) 2025-04-26 2025-04-27 Standard West Coast (WCU) 6 6 1.5 Yes Analysis
3 Overberg Schools - HS Closed 2025 (U17 Boys) 2025-03-22 2025-03-22 Standard Overberg (WOS) 5 5 4 Yes Analysis
4 Overberg Schools - HS Trials 2025 (U17 Boys) 2025-02-22 2025-02-22 Rapid Overberg (WOS) 6 6 6 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Western Cape Schools - Top Schools 2025 (U17) 2025-09-06 2025-09-07 Standard Overberg (WOS) 6 6 3 Yes Analysis
2 Western Cape Schools Individual Championship 2025 (U17 Boys) 2025-04-26 2025-04-27 Standard West Coast (WCU) 6 6 1.5 Yes Analysis
3 Overberg Schools - HS Closed 2025 (U17 Boys) 2025-03-22 2025-03-22 Standard Overberg (WOS) 5 5 4 Yes Analysis
4 Overberg Schools - HS Trials 2025 (U17 Boys) 2025-02-22 2025-02-22 Rapid Overberg (WOS) 6 6 6 Yes Analysis
5 Western Cape Top Schools Championship 2024 (U15 Mixed) 2024-08-30 2024-09-01 Standard Eden (WEG) 6 6 4 Yes Analysis
6 Overberg High Schools Trails 2024 (U15 Boys) 2024-03-02 2024-03-02 Standard Overberg (WOS) 5 5 2.5 Yes Analysis
7 Overberg High Schools Trails 2024 (U15) 2024-02-24 2024-02-24 Rapid Overberg (WOS) 5 5 4 Yes Analysis
8 2023 Western Cape Rural Cup (U16) 2023-12-09 2023-12-10 Standard Cape Winelands (WCW) 5 4 0.5 Yes Analysis
9 2023 Western Cape Rural Cup (Blitz) 2023-12-08 2023-12-08 Blitz Cape Winelands (WCW) 7 7 3 Yes Analysis
10 Western Cape Closed Championship 2023 (D) 2023-09-24 2023-09-25 Standard Cape Town (WCT) 6 5 4 Yes Analysis
11 Zwelihle Chess Club Rapid 2023 (A+B) 2023-06-17 2023-06-17 Rapid Overberg (WOS) 6 6 3 Yes Analysis
12 Western Cape HS Individuals 2023 (U15 Boys) 2023-04-01 2023-04-02 Standard Cape Town (WCT) 6 6 4.5 Yes Analysis
13 Overberg High School Closed 2023 (U15 Boys) 2023-03-25 2023-03-25 Standard Overberg (WOS) 5 5 3 Yes Analysis
14 Overberg High Schools Trails 2023 (U15) 2023-02-24 2023-02-24 Rapid Overberg (WOS) 5 5 5 Yes Analysis
15 Overberg Schools Open Tournament 2023 (U14) 2023-02-11 2023-02-11 Rapid Overberg (WOS) 5 5 4 Yes Analysis
16 The Hermanus Open 2022 (U14) 2022-05-14 2022-05-14 Rapid Overberg (WOS) 6 6 4 Yes Analysis
17 Western Cape Schools 2022 (U13 Boys) 2022-05-28 2022-05-29 Standard Cape Winelands (WCW) 6 6 3.5 Yes Analysis
18 OCF Open 2022 (U14) 2022-04-09 2022-04-09 Rapid Overberg (WOS) 5 5 4 Yes Analysis
19 Overberg Primary Schools Closed 2022 (U13 Boys) 2022-03-12 2022-03-12 Standard Overberg (WOS) 5 5 4 Yes Analysis
20 Western Cape Club Championships 2021 (C) 2021-10-15 2021-10-17 Standard Eden (WEG) 5 5 3 Yes Analysis
21 OCF Club Champs 2021 (Juniors) 2021-06-05 2021-08-14 Standard Overberg (WOS) 10 8 5 Yes Analysis
22 Coast to Coast 2021 (U14) 2021-08-28 2021-08-28 Rapid West Coast (WCU) 6 6 2.5 Yes Analysis
23 Coast to Coast 2021 (Blitz) 2021-08-27 2021-08-27 Blitz West Coast (WCU) 5 0 0 No Analysis
24 Kleinmond Open 2021 (U14) 2021-04-17 2021-04-17 Standard Overberg (WOS) 5 5 4 Yes Analysis
25 OCF Roadshow 2020 (Juniors) 2020-11-21 2020-11-21 Standard Overberg (WOS) 5 5 4 Yes Analysis
26 Overberg Closed 2020 (U11 Boys) 2020-03-15 2020-03-15 Standard Overberg (WOS) 5 5 3.5 Yes Analysis
27 OCF Chess Tournament 2 2020 (U12) 2020-02-01 2020-02-01 Standard Overberg (WOS) 5 5 5 Yes Analysis
28 OCF Open 2020 (U12) 2020-01-25 2020-01-25 Rapid Overberg (WOS) 5 5 3.5 Yes Analysis
29 2019 South African Juior Blitz Championship (B) 2020-01-05 2020-01-05 Blitz 4 Knights (4K) 7 7 2 Yes Analysis
30 2019 Wild Card Chess Championship (U12 Open) 2020-01-09 2020-01-12 Standard 4 Knights (4K) 7 7 4 Yes Analysis
31 2019 South African Junior Team Championships (U12D) 2020-01-04 2020-01-08 Standard 4 Knights (4K) 7 7 4 Yes Analysis
32 2019 Western Cape Club Championship (C) 2019-10-25 2019-10-27 Standard Overberg (WOS) 5 5 4.5 Yes Analysis
33 Spring Open 2019 (U12) 2019-09-14 2019-09-14 Standard Overberg (WOS) 5 5 2 Yes Analysis
34 Bontebok 2019 (U12) 2019-08-17 2019-08-17 Standard Overberg (WOS) 5 5 3 Yes Analysis
35 Overberg Club Champs 2019 (B) 2019-06-15 2019-06-15 Standard Overberg (WOS) 5 5 2 Yes Analysis
36 Western Cape Schools Individuals 2019 (U11 Boys) 2019-05-18 2019-05-19 Standard Eden (WEG) 6 6 3 Yes Analysis
37 Trial 2 Teddy/Toy Tournament 2019 (U12) 2019-04-06 2019-04-06 Standard Overberg (WOS) 5 5 4 Yes Analysis
38 South African Junior Blitz 2018 (U10) 2018-12-19 2018-12-19 Blitz 4 Knights (4K) 7 7 3 Yes Analysis
39 South African Junior Team Championships 2018 (U10C) 2018-12-16 2018-12-20 Standard 4 Knights (4K) 7 7 5 Yes Analysis
40 Spring Open 2018 (U8+U10) 2018-09-01 2018-09-01 Standard Overberg (WOS) 5 5 3 Yes Analysis
41 Caledon Open 2018 (U8+U10) 2018-09-29 2018-09-29 Standard Overberg (WOS) 5 5 3.5 Yes Analysis
42 Caledon Casino Open 2018 (U10) 2018-08-04 2018-08-04 Standard Overberg (WOS) 5 5 4 Yes Analysis
43 VRT Pitt Open 2018 (U10) 2018-06-02 2018-06-02 Rapid Overberg (WOS) 6 6 6 Yes Analysis
44 Overberg 2nd Trial 2018 (U10) 2018-05-05 2018-05-05 Standard Overberg (WOS) 5 5 3.5 Yes Analysis
45 Western Cape Schools Individuals 2018 (U9 Boys) 2018-05-19 2018-05-20 Standard Overberg (WOS) 6 4 2 Yes Analysis
46 Overberg Chess 1st Trial 2018 (B) 2018-04-14 2018-04-14 Standard Overberg (WOS) 5 5 4 Yes Analysis
47 Overberg Schools Closed 2018 (U9 Boys) 2018-03-23 2018-03-24 Standard Overberg (WOS) 6 6 4 Yes Analysis

Top 3 Streaks

# Games Start End
1 15 Tournament
Western Cape Top Schools Championship 2024
Tournament
Overberg Schools - HS Closed 2025
date
2024-08-30
rnd
2
type
Standard
result
1
date
2025-03-22
rnd
4
type
Standard
result
1
Opponent
De Waal, L (Liam)
Opponent
Klein, E (Enzo)
2 10 Tournament
OCF Open 2020
Tournament
Overberg Closed 2020
date
2020-01-25
rnd
5
type
Rapid
result
1
date
2020-03-15
rnd
4
type
Standard
result
1
Opponent
Da Silva, M (Miguel)
Opponent
Botha, C (Chris)
3 8 Tournament
2019 Western Cape Club Championship
Tournament
2019 South African Junior Team Championships
date
2019-10-25
rnd
1
type
Standard
result
1
date
2020-01-05
rnd
3
type
Standard
result
1
Opponent
Brink, S (Samantha)
Opponent
Ward, A (Ashton)
# Games Start End
1 10 Tournament
2019 Wild Card Chess Championship
Tournament
Overberg Closed 2020
date
2020-01-12
rnd
7
type
Standard
result
1
date
2020-03-15
rnd
4
type
Standard
result
1
Opponent
Karsten, K (Keagan)
Opponent
Botha, C (Chris)
2 9 Tournament
Western Cape Top Schools Championship 2024
Tournament
Overberg Schools - HS Closed 2025
date
2024-08-30
rnd
2
type
Standard
result
1
date
2025-03-22
rnd
4
type
Standard
result
1
Opponent
De Waal, L (Liam)
Opponent
Klein, E (Enzo)
3 8 Tournament
2019 Western Cape Club Championship
Tournament
2019 South African Junior Team Championships
date
2019-10-25
rnd
1
type
Standard
result
1
date
2020-01-05
rnd
3
type
Standard
result
1
Opponent
Brink, S (Samantha)
Opponent
Ward, A (Ashton)
# Games Start End
1 9 Tournament
VRT Pitt Open 2018
Tournament
OCF Open 2020
date
2018-06-02
rnd
1
type
Rapid
result
1
date
2020-01-25
rnd
3
type
Rapid
result
1
Opponent
Oliver, J (Joagen)
Opponent
Oosthuizen, A (Anke)
2 8 Tournament
Overberg Schools Open Tournament 2023
Tournament
Zwelihle Chess Club Rapid 2023
date
2023-02-11
rnd
5
type
Rapid
result
1
date
2023-06-17
rnd
2
type
Rapid
result
1
Opponent
Botha, A (Anthonie)
Opponent
Mackenzie, T (Tayden)
3 7 Tournament
Overberg High Schools Trails 2024
Tournament
Overberg Schools - HS Trials 2025
date
2024-02-24
rnd
5
type
Rapid
result
1
date
2025-02-22
rnd
6
type
Rapid
result
1
Opponent
Janse Van Vuuren, A (Abri)
Opponent
Nel, D (Daniel)
# Games Start End
1 2 Tournament
South African Junior Blitz 2018
Tournament
South African Junior Blitz 2018
date
2018-12-19
rnd
1
type
Blitz
result
1
date
2018-12-19
rnd
2
type
Blitz
result
1
Opponent
Perumal, D (Declan)
Opponent
Krugel, L (Lian)
2 1 Tournament
2023 Western Cape Rural Cup
Tournament
2023 Western Cape Rural Cup
date
2023-12-08
rnd
6
type
Blitz
result
1
date
2023-12-08
rnd
6
type
Blitz
result
1
Opponent
Kuyler, L (Luzandri)
Opponent
Kuyler, L (Luzandri)
3 1 Tournament
2023 Western Cape Rural Cup
Tournament
2023 Western Cape Rural Cup
date
2023-12-08
rnd
4
type
Blitz
result
1
date
2023-12-08
rnd
4
type
Blitz
result
1
Opponent
May, M (Mehago)
Opponent
May, M (Mehago)
# Games Start End
1 11 Tournament
Western Cape Top Schools Championship 2024
Tournament
Overberg Schools - HS Closed 2025
date
2024-09-01
rnd
6
type
Standard
result
1
date
2025-03-22
rnd
4
type
Standard
result
1
Opponent
Taute, H (Haygon)
Opponent
Klein, E (Enzo)
2 8 Tournament
OCF Open 2020
Tournament
Overberg Closed 2020
date
2020-01-25
rnd
5
type
Rapid
result
1
date
2020-03-15
rnd
2
type
Standard
result
1
Opponent
Da Silva, M (Miguel)
Opponent
De Wet, S (Samuel)
3 8 Tournament
Western Cape Schools Individuals 2018
Tournament
Caledon Casino Open 2018
date
2018-05-19
rnd
4
type
Standard
result
1
date
2018-08-04
rnd
1
type
Standard
result
1
Opponent
Koegelenberg, L (Louw)
Opponent
Beveridge, J (Jesse)
# Games Start End
1 8 Tournament
2019 Wild Card Chess Championship
Tournament
Overberg Closed 2020
date
2020-01-12
rnd
7
type
Standard
result
1
date
2020-03-15
rnd
2
type
Standard
result
1
Opponent
Karsten, K (Keagan)
Opponent
De Wet, S (Samuel)
2 6 Tournament
Overberg Chess 1st Trial 2018
Tournament
Overberg 2nd Trial 2018
date
2018-04-14
rnd
3
type
Standard
result
1
date
2018-05-05
rnd
3
type
Standard
result
1
Opponent
Carelsen, CN (Carla Norwena)
Opponent
Pekeur, N (Nicole)
3 5 Tournament
Western Cape Top Schools Championship 2024
Tournament
Overberg Schools - HS Closed 2025
date
2024-09-01
rnd
6
type
Standard
result
1
date
2025-03-22
rnd
4
type
Standard
result
1
Opponent
Taute, H (Haygon)
Opponent
Klein, E (Enzo)
# Games Start End
1 8 Tournament
Overberg Schools Open Tournament 2023
Tournament
Zwelihle Chess Club Rapid 2023
date
2023-02-11
rnd
5
type
Rapid
result
1
date
2023-06-17
rnd
2
type
Rapid
result
1
Opponent
Botha, A (Anthonie)
Opponent
Mackenzie, T (Tayden)
2 7 Tournament
Overberg High Schools Trails 2024
Tournament
Overberg Schools - HS Trials 2025
date
2024-02-24
rnd
5
type
Rapid
result
1
date
2025-02-22
rnd
6
type
Rapid
result
1
Opponent
Janse Van Vuuren, A (Abri)
Opponent
Nel, D (Daniel)
3 7 Tournament
VRT Pitt Open 2018
Tournament
OCF Open 2020
date
2018-06-02
rnd
1
type
Rapid
result
1
date
2020-01-25
rnd
1
type
Rapid
result
1
Opponent
Oliver, J (Joagen)
Opponent
Uys, R (Riane)
# Games Start End
1 2 Tournament
South African Junior Blitz 2018
Tournament
South African Junior Blitz 2018
date
2018-12-19
rnd
1
type
Blitz
result
1
date
2018-12-19
rnd
2
type
Blitz
result
1
Opponent
Perumal, D (Declan)
Opponent
Krugel, L (Lian)
2 1 Tournament
2023 Western Cape Rural Cup
Tournament
2023 Western Cape Rural Cup
date
2023-12-08
rnd
6
type
Blitz
result
1
date
2023-12-08
rnd
6
type
Blitz
result
1
Opponent
Kuyler, L (Luzandri)
Opponent
Kuyler, L (Luzandri)
3 1 Tournament
2023 Western Cape Rural Cup
Tournament
2023 Western Cape Rural Cup
date
2023-12-08
rnd
4
type
Blitz
result
1
date
2023-12-08
rnd
4
type
Blitz
result
1
Opponent
May, M (Mehago)
Opponent
May, M (Mehago)

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 Valentine ,L (Luke) 12 2 -283.3 11 2 -270.5 1 0 -425 0 0 0
1428.1 1144.7 1408.4 1157.6 1358 1003.1 0 0
2 Brink ,S (Samantha) 6 5 283.3 3 3 425 3 2 141.7 0 0 0
1171.2 1454.5 1077.1 1596.2 982.9 1312.8 0 0
3 Opperman ,C (Connor) 5 2 -85 2 2 425 3 0 -425 0 0 0
1580.3 1495.3 1495.7 2005.3 1516.8 1155.3 0 0
4 Beukes ,L (Lanique) 4 3 212.5 4 3 212.5 0 0 0 0 0 0
1105.4 1317.9 1097.6 1317.9 0 0 0 0
5 Beveridge ,J (Jesse) 4 4 425 4 4 425 0 0 0 0 0 0
1162.9 1587.9 1129.5 1587.9 0 0 0 0
6 Solomon ,I (Izaiah) 4 0.5 -318.8 1 0 -425 3 0.5 -283.3 0 0 0
1316 997.2 1285.7 891 1214.7 1032.6 0 0
7 De Wet ,S (Samuel) 3 1 -141.7 3 1 -141.7 0 0 0 0 0 0
1002.4 860.8 993.6 860.8 0 0 0 0
8 Linde ,M (Morgan) 3 3 425 2 2 425 1 1 425 0 0 0
1187.4 1612.4 1187.1 1612.4 1200 1612.4 0 0
9 Da Silva ,M (Miguel) 3 2.5 283.3 2 1.5 212.5 1 1 425 0 0 0
1216.4 1499.7 1248.8 1428.9 1200 1641.4 0 0
10 Du Plessis ,MA (Matthys Armand) 3 2 141.7 2 1 0 1 1 425 0 0 0
1208.1 1349.8 1194.3 1208.1 1176.4 1633.1 0 0

Norms

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