Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Yul Siebritz

1110139048
West Coast (WCU)
Personal
Main rating
Rating 1416.8
K-factor 32
Floor 963.4
Highest 1466.9 (2024-02-01)
Min/Max +/- allowed 113
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1274
Final +/- 0
New Rating
()
Rating 1416.8
K-factor 32
Floor 963.4
Highest 1466.9 (2024-02-01)
Min/Max +/- allowed 113.4
Standard rating
Rating 1399.5
K-factor 32
Floor 913.3
Highest 1413.3 (2025-06-01)
Min/Max +/- allowed 122.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1325.3
Final +/- 0
New Rating
()
Rating 1399.5
K-factor 32
Floor 913.3
Highest 1413.3 (2025-06-01)
Min/Max +/- allowed 122.4
Rapid rating
Rating 1463.1
K-factor 32
Floor 1030.8
Highest 1549.5 (2024-02-01)
Min/Max +/- allowed 100.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1325.7
Final +/- 0
New Rating
()
Rating 1463.1
K-factor 32
Floor 1030.8
Highest 1549.5 (2024-02-01)
Min/Max +/- allowed 100.8
Blitz rating
Rating 1375.9
K-factor 32
Floor 903.4
Highest 1418 (2024-04-01)
Min/Max +/- allowed 121.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1207.1
Final +/- 0
New Rating
()
Rating 1375.9
K-factor 32
Floor 903.4
Highest 1418 (2024-04-01)
Min/Max +/- allowed 121.5
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 West Coast League 2026 (B) Rapid 2026-02-07 2026-02-07 West Coast (WCU) 5 1418.3 4 2 1443.9 0 Details
2 West Coast Schools Chess Grand Challenge League 2025 (HS Super) Rapid 2025-11-08 2025-11-08 West Coast (WCU) 5 1423 5 2.5 1391.4 0 Details
3 Basil Ellman Annual Rapid 2025 (Seniors) Rapid 2025-09-20 2025-09-20 West Coast (WCU) 5 1429.8 5 2 1170.2 0 Details
4 Western Cape Women’s Championship 2025 (Sunday Rapid) Rapid 2025-08-10 2025-08-10 West Coast (WCU) 5 1421.6 5 3 1521.8 0 Details
5 Lower West Coast Top Schools 2025 (U17) Rapid 2025-06-14 2025-06-14 West Coast (WCU) 6 1457.1 6 2.5 1201.4 0 Details
6 Deep Blue Open 2025 (A) Standard 2025-06-21 2025-06-21 West Coast (WCU) 5 1457.1 5 2 1373.6 0 Details
7 West Coast And Mykonos Open 2025 (Open) Standard 2025-05-02 2025-05-04 West Coast (WCU) 6 1438.9 6 4 1524.3 0 Details
8 Western Cape Schools Individual Championship 2025 (U15 Boys) Standard 2025-04-26 2025-04-27 West Coast (WCU) 6 1409.6 6 4 1565.9 0 Details
9 West Coast Schools Chess Prestige 2025 (U15 Boys) Standard 2025-03-08 2025-03-08 West Coast (WCU) 6 1416.1 6 4 1379.7 0 Details
10 Lower West Coast Prestige 2025 (U15 Boys) Rapid 2025-02-22 2025-02-22 West Coast (WCU) 5 1417.1 5 3.5 1399.1 0 Details
11 Lambertsbay Chess Club Crayfish Classic 2024 Standard 2024-12-16 2024-12-16 West Coast (WCU) 5 1442.1 5 2.5 1289 0 Details
12 West Coast Grand Challange League 2024 (PS Champions) Rapid 2024-10-26 2024-10-26 West Coast (WCU) 5 1417.7 5 4.5 1648.6 0 Details
13 Western Cape Women’s Championship 2024 (Advanced) Classical 2024-08-08 2024-08-11 West Coast (WCU) 6 1432.1 6 3 1369.4 0 Details
14 South African Open Chess Championship 2024 (C) Standard 2024-07-04 2024-07-07 Ethekwini (KED) 7 1463.4 7 4 1339.4 0 Details
15 Lambertsbay Youth Open 2024 (Elite) Rapid 2024-06-17 2024-06-17 West Coast (WCU) 5 1454 5 4 1553.2 0 Details
16 Basil Ellman Annual Rapid 2024 (Elite) Rapid 2024-06-08 2024-06-08 West Coast (WCU) 5 1454 5 2.5 1441.9 0 Details
17 Deep Blue CC May Blitz 2024 Blitz 2024-05-22 2024-05-22 West Coast (WCU) 7 1384.2 7 4 1388.4 0 Details
18 West Coast & Mykonos Open 2024 (Open) Standard 2024-05-17 2024-05-19 West Coast (WCU) 6 1384.2 6 3 1290.1 0 Details
19 Lower West Top Schools 2024 (U18) Rapid 2024-05-11 2024-05-11 West Coast (WCU) 5 1384.2 4 3.5 1592.1 0 Details
20 Western Cape PS Individuals Championship 2024 (U13 Boys) Standard 2024-05-04 2024-05-05 West Coast (WCU) 6 1384.2 6 3.5 1622.8 0 Details
21 Lambersbaai Open 2024 (A) Rapid 2024-05-01 2024-05-01 West Coast (WCU) 5 1384.2 5 5 1624.6 0 Details
22 Deep Blue Chess Club April Blitz 2024 Blitz 2024-04-24 2024-04-24 West Coast (WCU) 7 1392 5 4 1544.5 0 Details
23 Deep Blue Open 2024 (Elite) Rapid 2024-04-13 2024-04-13 West Coast (WCU) 5 1392 5 1.5 1204.3 0 Details
24 Deep Blue March Blitz 2024 Blitz 2024-03-27 2024-03-27 West Coast (WCU) 5 1392 5 5 1714.1 0 Details
25 Western Cape Inter Region Cup 2024 (U14 Boys) Standard 2024-03-23 2024-03-24 Overberg (WOS) 5 1407.7 4 1 1305.8 0 Details
26 Western Cape Inter Region Cup 2024 (Blitz) Blitz 2024-03-22 2024-03-22 Overberg (WOS) 7 1407.7 7 2 1222.3 0 Details
27 West Coast Schools Chess Prestige Championships 2024 (U13 Boys) Rapid 2024-03-09 2024-03-09 West Coast (WCU) 5 1407.7 5 3.5 1476.7 0 Details
28 Lower West Coast Schools Chess Prestige 2024 (U13 Boys) Rapid 2024-02-17 2024-02-17 West Coast (WCU) 5 1367.6 4 4 1645.5 0 Details
29 Deep Blue February Blitz Juniors 2024 Blitz 2024-02-28 2024-02-28 West Coast (WCU) 7 1367.6 7 6.5 1592.7 0 Details
30 Longacres Top 10 Battle January 2024 Rapid 2024-01-27 2024-01-27 West Coast (WCU) 5 1345.1 5 4 1444.5 0 Details
31 Deep Blue CC Blitz 2024 (Juniors) Blitz 2024-01-27 2024-01-27 West Coast (WCU) 7 1345.1 7 7 1639.3 0 Details
32 Clanwilliam Chess Club Open 2023 (B) Rapid 2023-12-02 2023-12-02 West Coast (WCU) 5 1315.4 5 4 1534.4 0 Details
33 Deep Blue Open Team 2023 Rapid 2023-11-04 2023-11-04 West Coast (WCU) 5 1280.6 5 4 1548.2 0 Details
34 West Coast Primary Schools Grand Challenge League 2023 (Primary School) Rapid 2023-10-21 2023-10-21 West Coast (WCU) 5 1265.2 5 3.5 1446.1 0 Details
35 Western Cape Closed Championship 2023 (D) Standard 2023-09-24 2023-09-25 Cape Town (WCT) 6 1322.3 6 3 1345.4 0 Details
36 Deep Blue Open 2023 (Elite) Rapid 2023-09-16 2023-09-16 West Coast (WCU) 5 1322.3 5 1 1043.1 0 Details
37 Basil Ellman Rapid 2023 (C) Rapid 2023-09-30 2023-09-30 West Coast (WCU) 5 1322.3 5 1 1099.7 0 Details
38 CW Top Schools 2023 (Advanced) Standard 2023-08-11 2023-08-13 West Coast (WCU) 6 1350.4 6 2 1233.6 0 Details
39 Pedro Booyse Top Schools 2023 (U13) Standard 2023-07-29 2023-07-29 West Coast (WCU) 5 1333.1 5 3 1439.5 0 Details
40 Youth Day 1 2023 (Elite) Rapid 2023-06-17 2023-06-17 West Coast (WCU) 5 1378.3 5 2 1327.4 0 Details
41 West Coast Open 2023 (Elite) Standard 2023-05-20 2023-06-03 West Coast (WCU) 5 1378.3 5 2 1211.6 0 Details
42 Lower West Coast Top Schools Championships 2023 (U13) Rapid 2023-06-10 2023-06-10 West Coast (WCU) 5 1378.3 5 3 1295.8 0 Details
43 Western Cape PS Individuals 2023 (U13 Boys) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1328.9 6 3.5 1543.2 0 Details
44 St Helenabaai Open 2023 (Elite) Rapid 2023-05-13 2023-05-13 West Coast (WCU) 5 1328.9 5 2 1356.6 0 Details
45 WCCI Open 2023 (A) Rapid 2023-04-29 2023-04-29 West Coast (WCU) 5 1258 5 5 1758 0 Details
46 WCCI Open 2023 (Blitz) Blitz 2023-04-29 2023-04-29 West Coast (WCU) 5 1258 5 2 1269 0 Details
47 Western Cape Inter Regional 2023 (Junior Boys) Standard 2023-03-18 2023-03-19 Eden (WEG) 5 1246.2 2 0 1049 0 Details
48 Western Cape Inter Regional 2023 (Blitz) Blitz 2023-03-17 2023-03-17 Eden (WEG) 5 1246.2 5 1 1184.5 0 Details
49 Lower West Coast Primary Schools Prestige Championships 2023 (U13 Boys) Rapid 2023-03-04 2023-03-04 West Coast (WCU) 5 1246.2 5 4 1487.2 0 Details
50 West Coast Back To School Rapid (Below 1000) Rapid 2023-01-28 2023-01-28 West Coast (WCU) 5 1253.4 4 1.5 1174.8 0 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 4
Wins 2
Draws 0
Losses 2
White 2
Black 2
White wins 1
Black wins 1
Score 2
Percent 50
Dp 0
AOR 1443.9
Performance 1443.9
Game statistics (History)
Games 324
Wins 175
Draws 20
Losses 129
White 164
Black 160
White wins 93
Black wins 82
Score 185
Percent 57.1
Dp 60.3
AOR 1318.5
Performance 1378.8
Rankings (Main)
National
Overall 2972
Gender 2536
Age group 396
Gender/Age 312
Provincial
Overall 892
Gender 739
Age group 112
Gender/Age 87
Regional
Overall 59
Gender 48
Age group 11
Gender/Age 9
Rankings (Standard)
National
Overall 2992
Gender 2525
Age group 425
Gender/Age 333
Provincial
Overall 851
Gender 686
Age group 117
Gender/Age 89
Regional
Overall 38
Gender 32
Age group 6
Gender/Age 5
Rankings (Rapid)
National
Overall 442
Gender 404
Age group 76
Gender/Age 62
Provincial
Overall 224
Gender 200
Age group 42
Gender/Age 33
Regional
Overall 39
Gender 30
Age group 12
Gender/Age 9
Rankings (Blitz)
National
Overall 208
Gender 199
Age group 10
Gender/Age 9
Provincial
Overall 80
Gender 76
Age group 3
Gender/Age 3
Regional
Overall 2
Gender 1
Age group 1
Gender/Age 1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 4
Score 2
Percent 50
Aor 1443.9
Dp 0
Prat 1443.9
Performance (12 months)
Games 48
Score 26
Percent 54.2
Aor 1362.3
Dp 35.4
Prat 1397.7
Performance (History)
Games 324
Score 185
Percent 57.1
Aor 1318.5
Dp 60.3
Prat 1378.8
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Ellman, A (Anne-Belle) 9 3 6 Youth Day 1 2023 (Elite) Lambertsbay Youth Open 2024 (Elite) Details
Overall 2 Siebritz, N (Noelle) 7 5 2 Deep Blue CC Blitz 2024 (Juniors) Deep Blue Open 2025 (A) Details
Overall 3 Njokweni, L (Llyabona) 5 3 2 WCCI Open 2023 (Blitz) Deep Blue Open 2025 (A) Details
Overall 4 Schroeder, L (Liam) 5 2 3 West Coast Chess Open 2022 (U13 Boys) West Coast And Mykonos Open 2025 (Open) Details
Overall 5 Ellman, A (Andries) 5 2 3 Deep Blue CC Blitz 2024 (Juniors) Lambertsbay Youth Open 2024 (Elite) Details
Standard 1 Siebritz, N (Noelle) 3 2 1 South African Open Chess Championship 2024 (C) Deep Blue Open 2025 (A) Details
Standard 2 Prinsloo, L (Lyle) 3 3 0 Western Cape Closed Championship 2022 (U12) Western Cape PS Individuals Championship 2024 (U13 Boys) Details
Standard 3 Duiker, P (Phillip) 2 1 1 West Coast Open 2022 (Open) West Coast Open 2023 (Elite) Details
Standard 4 Schmidt, U (Ulrich) 2 1 1 Western Cape PS Individuals 2023 (U13 Boys) Western Cape Inter Region Cup 2024 (U14 Boys) Details
Standard 5 Schoeman, M (Mischke) 2 1 1 Western Cape Closed Championship 2022 (U12) Deep Blue Open 2025 (A) Details
Rapid 1 Klaasens, J (Jemaine) 5 2 3 Lower West Coast Schools Prestige 2022 (U11 Boys) Clanwilliam Chess Club Open 2023 (B) Details
Rapid 2 Ellman, A (Anne-Belle) 4 2 2 Youth Day 1 2023 (Elite) Lambertsbay Youth Open 2024 (Elite) Details
Rapid 3 Visagie, C (Christopher) 4 1 3 Onder-Weskus Top Skole 2022 (O13 Seuns) West Coast League 2026 (B) Details
Rapid 4 Arendse, Q (Quinwinne) 4 3 1 St Helenabaai Open 2023 (Elite) Lower West Coast Prestige 2025 (U15 Boys) Details
Rapid 5 Koopman, T (Tyler) 4 3 1 Lower West Coast Primary Schools Prestige Championships 2023 (U13 Boys) West Coast Primary Schools Grand Challenge League 2023 (Primary School) Details
Blitz 1 Ellman, A (Anne-Belle) 5 1 4 Deep Blue CC Blitz 2024 (Juniors) Deep Blue CC May Blitz 2024 Details
Blitz 2 Siebritz, N (Noelle) 4 3 1 Deep Blue CC Blitz 2024 (Juniors) Deep Blue Chess Club April Blitz 2024 Details
Blitz 3 Ellman, A (Andries) 4 2 2 Deep Blue CC Blitz 2024 (Juniors) Deep Blue CC May Blitz 2024 Details
Blitz 4 Wehr, C (Corbin) 4 2 2 Deep Blue CC Blitz 2024 (Juniors) Deep Blue CC May Blitz 2024 Details
Blitz 5 Sedeman, A (Aiden) 3 3 0 Deep Blue March Blitz 2024 Deep Blue CC May Blitz 2024 Details