PLAYER PAGE

Sienna Brewis

2130136581
Eden (WEG)
Personal
Main rating
Rating 1516.3
K-factor 28
Floor 1113.3
Highest 1619.5 (2022-02-01)
Min/Max +/- allowed 91
Rating Change
()
Games 18
Score 7.5
We 10.46
SWe -1.53
Temp +/- -42.8
Penalties 0
Weight perform 1395.2
Final +/- -42.8
New Rating
()
Rating 1473.5
K-factor 28
Floor 1113.3
Highest 1619.5 (2022-02-01)
Min/Max +/- allowed 91.2
Standard rating
Rating 1540.2
K-factor 32
Floor 1096
Highest 1628.1 (2022-02-01)
Min/Max +/- allowed 90.1
Rating Change
()
Games 9
Score 4
We 5.55
SWe -1.55
Temp +/- -49.7
Penalties 0
Weight perform 1468.6
Final +/- -49.7
New Rating
()
Rating 1490.5
K-factor 32
Floor 1096
Highest 1628.1 (2022-02-01)
Min/Max +/- allowed 90.1
Rapid rating
Rating 1315.5
K-factor 36
Floor 859.2
Highest 1372.3 (2024-06-01)
Min/Max +/- allowed 129.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1286.2
Final +/- 0
New Rating
()
Rating 1315.5
K-factor 36
Floor 859.2
Highest 1372.3 (2024-06-01)
Min/Max +/- allowed 129.7
Blitz rating
Rating 1181.5
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 9
Score 3.5
We 4.11
SWe -0.61
Temp +/- -22.1
Penalties 0
Weight perform 1204.8
Final +/- +23.3
New Rating
()
Rating 1204.8
K-factor 36
Floor 704.8
Highest 1204.8 (2026-04-01)
Min/Max +/- allowed 164.7
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Junior Closed Chess Championship 2026 (U14 Girls) Classical 2026-03-28 2026-04-02 Bojanala Platina (NBR) 9 1516.3 9 4 1397 -34 Details
2 South African Junior Closed Chess Championship 2026 (Blitz) Blitz 2026-03-31 2026-03-31 Bojanala Platina (NBR) 9 1516.3 9 3.5 1355.1 -8.8 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Eden Schools Trials 1 2026 (U13 Girls) Standard 2026-03-14 2026-03-14 Eden (WEG) 5 1505.4 5 3.5 1569.6 8 Details
2 George Trials 2 2026 (U13 Girls) Standard 2026-02-14 2026-02-14 Eden (WEG) 5 1499.2 5 4 1534 2.8 Details
3 George Trials 1 2026 (U13 Girls) Standard 2026-01-31 2026-01-31 Eden (WEG) 5 1499.2 4 3 1501.5 0.2 Details
4 2025 Mzansi Individual Championships (U14 Girls) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1491.1 6 3.5 1472.7 -2.4 Details
5 2025 Mzansi Inter Provincial Team Championships (U14 Girls) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1491.1 6 5 1623.3 15.6 Details
6 Eden Chess Closed 2025 (Ladies) Standard 2025-12-06 2025-12-07 Eden (WEG) 5 1491.1 4 3 1566 6.8 Details
7 Laerskool George Suid 2025 (Ope) Rapid 2025-10-25 2025-10-25 Eden (WEG) 5 1491.4 5 3 1406.2 -4.2 Details
8 HCPS Invitational Rapid Tournament 2025 (U13) Rapid 2025-10-18 2025-10-18 Eden (WEG) 6 1491 5 1.5 1371.7 -7.1 Details
9 Interclub Blitz 3 2025 Blitz 2025-07-30 2025-07-30 Eden (WEG) 6 1485.9 6 2.5 1316.1 -4.3 Details
10 George Top Schools 2025 (U15) Standard 2025-07-26 2025-07-26 Eden (WEG) 5 1485.9 4 3.5 1546.3 5 Details
11 Knysna Oyster Festival Rapid 2025 (Scholars) Rapid 2025-07-12 2025-07-12 Eden (WEG) 6 1485.9 6 3 1406.5 -6.6 Details
12 InterClub Blitz 3 2025 Blitz 2025-06-12 2025-06-12 Eden (WEG) 6 1493.1 6 1 1252.2 -6.1 Details
13 Western Cape Schools Individual Championship 2025 (U13 Girls) Standard 2025-05-17 2025-05-18 Cape Winelands (WCW) 6 1533.8 6 4.5 1558.8 3.2 Details
14 InterClub Blitz 2 2025 Blitz 2025-05-08 2025-05-08 Eden (WEG) 10 1533.8 8 0 1242.4 -11.1 Details
15 Southern Knights Rapid 2025 (B) Rapid 2025-05-03 2025-05-03 Eden (WEG) 7 1533.8 6 2 1214.3 -21.1 Details
16 Eden Chess Trials 2 2025 (U14) Standard 2025-03-15 2025-04-12 Eden (WEG) 10 1613.3 5 4 1635.5 3.2 Details
17 South African Junior Closed Chess Championships 2025 (U12 Girls) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1613.3 9 4 1286.5 -69.4 Details
18 Eden Schools Chess Trials 1 2025 (U13 Girls) Standard 2025-03-08 2025-03-08 Eden (WEG) 5 1570.7 5 5 1732.7 15.4 Details
19 George Schools Chess Trials 2 2025 (U13 Girls) Standard 2025-02-15 2025-02-15 Eden (WEG) 5 1476 5 4 1562.8 9.3 Details
20 George Schools Chess Trials 1 2025 (U13 Girls) Standard 2025-02-01 2025-02-01 Eden (WEG) 5 1476 5 4.5 1719 24.6 Details
21 George Suid Senior Skaaktoernooi 2024 Rapid 2024-10-26 2024-10-26 Eden (WEG) 5 1469.1 5 4 1552 4.3 Details
22 George Primary Top Schools 2024 (U11) Standard 2024-07-20 2024-07-20 Eden (WEG) 5 1427.1 4 3 1763.5 26.2 Details
23 Western Cape - Kings and Queens 2024 (Girls) Rapid 2024-06-08 2024-06-08 Overberg (WOS) 5 1397.9 4 3.5 1720.8 18.4 Details
24 South African Junior Closed Chess Championship 2024 (U12 Girls) Classical 2024-04-27 2024-05-01 Ekurhuleni (GE) 9 1505.2 8 2.5 1182.6 -58.6 Details
25 Western Cape PS Individuals Championship 2024 (U11 Girls) Standard 2024-05-04 2024-05-05 West Coast (WCU) 6 1505.2 6 2 1131.6 -42.2 Details
26 Eden Chess Trials 2 2024 (U12) Standard 2024-04-13 2024-04-20 Eden (WEG) 10 1485.7 10 7 1536.7 10.1 Details
27 Eden School Chess Trials 1 2024 (U11 Girls) Standard 2024-03-09 2024-03-09 Eden (WEG) 5 1415.6 5 4 1606.5 18.1 Details
28 George Schools Trials 3 2024 (U11 Girls) Standard 2024-03-02 2024-03-02 Eden (WEG) 5 1415.6 5 3.5 1526.4 11.8 Details
29 George Schools Trials 2 2024 (U11 Girls) Standard 2024-02-17 2024-02-17 Eden (WEG) 5 1410.3 5 3 1378.2 -3.7 Details
30 George Schools Trials 1 2024 (U11 Girls) Standard 2024-02-03 2024-02-03 Eden (WEG) 5 1410.3 5 4 1488.1 7.1 Details
31 Pacaltsdorp Chess Club Open 2023 (Development) Rapid 2023-08-26 2023-08-26 Eden (WEG) 6 1389.2 6 5 1543.1 13.3 Details
32 Top Schools 2023 (U13) Standard 2023-07-29 2023-07-29 Eden (WEG) 5 1434.3 4 1 1134 -23.4 Details
33 Knysna Oyster Festival 2023 (Juniors) Rapid 2023-07-01 2023-07-01 Eden (WEG) 6 1434.3 6 3.5 1376.3 -4.8 Details
34 Western Cape PS Individuals 2023 (U11 Girls) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1467.8 6 5 1549.6 9.8 Details
35 Eden Trials 2+3 2023 (U12) Standard 2023-04-15 2023-05-13 Eden (WEG) 10 1467.8 9 4 1286.6 -30.9 Details
36 Eden Trails 1 2023 (U11 Girls) Standard 2023-03-11 2023-03-11 Eden (WEG) 5 1478.2 5 3.5 1397.5 -6.3 Details
37 George Chess Trials 2 2023 (U11 Girls) Standard 2023-02-11 2023-02-11 Cape Town (WCT) 5 1486.4 5 4 1437.8 -5.1 Details
38 George Chess Trials 1 2023 (U11 Girls) Standard 2023-01-28 2023-01-28 Eden (WEG) 5 1443.6 5 4.5 1709.9 26.7 Details
39 George Open 2022 (C) Standard 2022-12-03 2022-12-03 Eden (WEG) 5 1478.9 5 2 1259.3 -22.1 Details
40 Mossel Bay Open 2022 (C) Rapid 2022-10-01 2022-10-01 Eden (WEG) 5 1507.7 5 2.5 1234.4 -18 Details
41 WCCA Rural Cup 2022 (U10) Standard 2022-08-13 2022-08-14 Overberg (WOS) 5 1493.6 3 3 1632.2 9 Details
42 WCCA Rural Cup Blitz 2022 Blitz 2022-07-12 2022-07-12 Overberg (WOS) 5 1507.6 5 2 1256.3 -5.4 Details
43 George Topskole 2022 (O9) Standard 2022-07-30 2022-07-30 Eden (WEG) 5 1507.6 4 3 1461 -3.5 Details
44 George Open 2022 (C) Standard 2022-06-11 2022-06-11 Eden (WEG) 5 1520.7 5 3 1444.5 -8.2 Details
45 Western Cape Schools 2022 (U9 Girls) Standard 2022-05-28 2022-05-29 Cape Winelands (WCW) 6 1396.9 6 5 1551.3 18.8 Details
46 Eden Proewe 2 2022 (O9 Dogters) Standard 2022-04-09 2022-04-09 Eden (WEG) 5 1382.2 5 4 1470.2 8.4 Details
47 Eden Proewe 1 2022 (O9 Dogters) Standard 2022-03-12 2022-03-12 Eden (WEG) 5 1338.4 5 5 1586.8 24.4 Details
48 George Trials 2 2022 (U9) Standard 2022-02-12 2022-02-12 Eden (WEG) 5 1275.7 5 5 1626.6 35 Details
49 George Trials 1 2022 (U9) Standard 2022-01-29 2022-01-29 Eden (WEG) 5 1200 5 5 1594.8 37.8 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 32
Wins 17
Draws 2
Losses 13
White 17
Black 15
White wins 11
Black wins 6
Score 18
Percent 56.2
Dp 53.1
AOR 1393.5
Performance 1446.6
Game statistics (History)
Games 285
Wins 169
Draws 19
Losses 97
White 142
Black 143
White wins 89
Black wins 80
Score 178.5
Percent 62.6
Dp 107.4
AOR 1341.2
Performance 1448.6
Rankings (Main)
National
Overall 1712
Gender 193
Age group 152
Gender/Age 34
Provincial
Overall 536
Gender 73
Age group 54
Gender/Age 16
Regional
Overall 119
Gender 21
Age group 21
Gender/Age 8
Rankings (Standard)
National
Overall 1367
Gender 150
Age group 109
Gender/Age 26
Provincial
Overall 414
Gender 58
Age group 38
Gender/Age 14
Regional
Overall 93
Gender 18
Age group 18
Gender/Age 8
Rankings (Rapid)
National
Overall 1722
Gender 286
Age group 313
Gender/Age 78
Provincial
Overall 789
Gender 140
Age group 154
Gender/Age 43
Regional
Overall 69
Gender 10
Age group 15
Gender/Age 4
Rankings (Blitz)
National
Overall 514
Gender 55
Age group 40
Gender/Age 11
Provincial
Overall 163
Gender 15
Age group 12
Gender/Age 3
Regional
Overall 83
Gender 7
Age group 8
Gender/Age 2
Performance ( )
Games 9
Score 4
Percent 44.4
Aor 1444.2
Dp -47.2
Prat 1396.9
Performance ()
Games 32
Score 18
Percent 56.2
Aor 1393.5
Dp 53.1
Prat 1446.6
Performance (12 months)
Games 100
Score 50.5
Percent 50.5
Aor 1412.1
Dp 4.2
Prat 1416.3
Performance (History)
Games 285
Score 178.5
Percent 62.6
Aor 1341.2
Dp 107.4
Prat 1448.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Blignaut, DC (Dane) 9 6 3 George Trials 1 2022 (U9) Eden Schools Trials 1 2026 (U13 Girls) Details
Overall 2 Cornforth, K (Kayleigh) 8 7 1 George Open 2022 (C) Eden Chess Closed 2025 (Ladies) Details
Overall 3 Le Roux, M (Melandi) 8 7 1 George Trials 1 2022 (U9) George Trials 1 2026 (U13 Girls) Details
Overall 4 Bruiners, C (Chandre) 7 3 4 George Chess Trials 1 2023 (U11 Girls) George Trials 2 2026 (U13 Girls) Details
Overall 5 Zaaiman, J (Jana) 7 1 6 George Trials 1 2022 (U9) George Schools Chess Trials 1 2025 (U13 Girls) Details
Standard 1 Blignaut, DC (Dane) 9 6 3 George Trials 1 2022 (U9) Eden Schools Trials 1 2026 (U13 Girls) Details
Standard 2 Le Roux, M (Melandi) 8 7 1 George Trials 1 2022 (U9) George Trials 1 2026 (U13 Girls) Details
Standard 3 Bruiners, C (Chandre) 7 3 4 George Chess Trials 1 2023 (U11 Girls) George Trials 2 2026 (U13 Girls) Details
Standard 4 Zaaiman, J (Jana) 7 1 6 George Trials 1 2022 (U9) George Schools Chess Trials 1 2025 (U13 Girls) Details
Standard 5 Pringle, K (Kirsten) 5 3 2 George Trials 2 2022 (U9) George Schools Trials 3 2024 (U11 Girls) Details
Rapid 1 Cornforth, K (Kayleigh) 3 2 1 Knysna Oyster Festival 2023 (Juniors) HCPS Invitational Rapid Tournament 2025 (U13) Details
Rapid 2 Kiewiet, B (B Jay) 2 1 1 Mossel Bay Open 2022 (C) Southern Knights Rapid 2025 (B) Details
Rapid 3 Sampson, E (Eejay) 2 1 1 Mossel Bay Open 2022 (C) Southern Knights Rapid 2025 (B) Details
Rapid 4 Bam, C (Cayleb) 2 1 1 Knysna Oyster Festival 2023 (Juniors) Knysna Oyster Festival Rapid 2025 (Scholars) Details
Rapid 5 Brewis, F (Fox) 2 2 0 Knysna Oyster Festival 2023 (Juniors) Pacaltsdorp Chess Club Open 2023 (Development) Details
Blitz 1 Kerspuy, G (Gheuzville) 2 1 1 InterClub Blitz 2 2025 InterClub Blitz 2 2025 Details
Blitz 2 Oktober, J (Jayson) 2 1 1 Interclub Blitz 3 2025 Interclub Blitz 3 2025 Details
Blitz 3 Roelf, W (Wildren) 2 1 1 Interclub Blitz 3 2025 Interclub Blitz 3 2025 Details
Blitz 4 Blignaut, R (Ryno) 2 1 1 InterClub Blitz 3 2025 InterClub Blitz 3 2025 Details
Blitz 5 Nortje, P (Pieter) 2 1 1 InterClub Blitz 2 2025 InterClub Blitz 2 2025 Details