PLAYER PAGE

Personal

Brewis, S (Sienna)

Chess SA id

2130136581

FIDE id

?

Date of birth

2013-02-05 (U14)

Gender

Female

Region

Eden (WEG)

Citizen

RSA

Titles

WRM

Chess SA registered

Yes

Last active game

2025-07-30

Personal details last changed

1900-01-01

Junior GPX Games

47.3

Junior GPX Points

1285.3

Item Main Standard Rapid Blitz
Rating 1491 1539.7 1331.5 1182.3
Raw rating 1487.2 1539.7 1327.3 1180.6
Weighted rating 1491 1498.4 1331.5 1182.3
Weighted performance 1293.1 1451 1192.3 0
Floor 1113.3 1096 859.2 700
K-factor 28 32 36 36
Min/Max rating change allowed 110.1 102.2 138.3 170.5
Highest rating 1619.5
2022-02-01
1628.1
2022-02-01
1372.3
2024-06-01
1200
2018-10-01
Highest raw rating 1613.3
2025-04-01
1596
2025-04-01
1359.2
2024-11-01
1200
2019-12-01
Highest weighted rating 1487.2
2025-08-01
1596
2023-07-01
1359.2
2025-05-05
1200
2018-10-01
Highest weighted performance 1619.5
2022-02-01
1628.1
2022-02-01
1372.3
2024-06-01
1200
2019-12-01

Prediction
Item Main Standard Rapid Blitz
Rating change 1.2 0 1 -0.2
New rating 1492.2 1539.7 1332.5 1182.1
Analysis
Rating 1491 1539.7 1331.5 1182.3
Raw rating 1487.2 1539.7 1327.3 1180.6
Weighted rating 1491 1498.4 1331.5
Weighted performance 1293.1 1451 1192.3
K-factor 28 32 36 36
Floor 1113.3 1096 859.2 700
Max/Min rating change allowed 110.1 102.2 138.3 170.5
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 1487.2 1539.7 1327.3 1180.6
New weighted rating 1492.2 1504.1 1332.5 1182.1
New weighted performance 1292.7 1450.5 1191.8 0
Temp new rating 1492.2 1539.7 1332.5 1182.1
Temp new rating +/- 1.2 0 1 -0.2
Final new rating +/- 1.2 0 1 -0.2
New rating 1492.2 1539.7 1332.5 1182.1
New K-factor 28 32 36 36
New floor 1113.3 1096 859.2 700

Item Main Standard Rapid Blitz
0 0 0 0
71 39 12 20
57 48 9 0
46 34 12 0
53 43 5 5
0 0 0 0
History 227 164 38 25

Games since
Main
128
Standard
87
Rapid
21
Blitz
20
Gender Female
Age group U14
Region Eden (WEG)
Province Western Cape (WC)
Main
RSA Province Region
Overall 1328 398 96
Female 182 66 15
U14 188 62 20
U14 Female 34 14 5
Standard
RSA Province Region
Overall 906 245 57
Female 107 39 9
U14 121 42 15
U14 Female 20 10 3
Rapid
RSA Province Region
Overall 845 433 28
Female 137 75 4
U14 181 97 6
U14 Female 43 24 3
Blitz
RSA Province Region
Overall 509 183 76
Female 54 18 6
U14 51 16 8
U14 Female 11 4 2

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 71 38 53.52 29.9 1398.8 1428.7
Standard 39 29.5 75.64 217.9 1329.9 1547.9
Rapid 12 5 41.67 -70.8 1381.2 1310.4
Blitz 20 3.5 17.5 -276.2 1543.7 1267.4
History
Games Score % Dp AvgOpp Performance
Main 227 144.5 63.66 116.1 1328.1 1444.1
Standard 164 115.5 70.43 173.6 1302.8 1476.4
Rapid 38 23.5 61.84 100.7 1321.9 1422.5
Blitz 25 5.5 22 -238 1503.2 1265.2

Date Main Standard Rapid Blitz
2025-09-30 1487.2 1539.7 1327.3 1180.6
2025-09-01 1487.2 1539.7 1327.3 1180.6
2025-08-01 1487.2 1539.7 1327.3 1180.6
2025-07-01 1485.9 1538.5 1326.9 1180
2025-06-01 1493.1 1538.5 1322.4 1177.8
2025-05-01 1533.8 1529.9 1359.2 1183.6
2025-04-01 1613.3 1596 1359.2 1183.6
2025-03-01 1570.7 1525.6 1359.2 1183.6
2025-02-01 1476 1455.6 1359.2 1183.6
2025-01-01 1476 1455.6 1359.2 1183.6
2024-12-01 1476 1455.6 1359.2 1183.6
2024-11-01 1476 1455.6 1359.2 1183.6
2024-10-01 1469.1 1455.6 1331.8 1183.6
2024-09-01 1469.1 1455.6 1331.8 1183.6
2024-08-01 1469.1 1455.6 1331.8 1183.6
2024-07-01 1427.1 1399.6 1331.8 1183.6
2024-06-01 1397.9 1399.6 1261.2 1183.6
2024-08-01 1505.2 1506.7 1261.2 1183.6
2024-04-01 1485.7 1470.7 1261.2 1183.6
2024-03-01 1415.6 1398.3 1261.2 1183.6
2024-02-01 1410.3 1385.5 1261.2 1183.6
2024-01-01 1410.3 1385.5 1261.2 1183.6
2023-12-01 1410.3 1385.5 1261.2 1183.6
2023-11-01 1410.3 1385.5 1261.2 1183.6

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 Interclub Blitz 3 2025 2025-07-30 2025-07-30 Blitz Eden (WEG) 6 6 2.5 Yes Analysis
2 George Top Schools 2025 (U15) 2025-07-26 2025-07-26 Standard Eden (WEG) 5 4 3.5 Yes Analysis
3 Knysna Oyster Festival Rapid 2025 (Scholars) 2025-07-12 2025-07-12 Rapid Eden (WEG) 6 6 3 Yes Analysis
4 InterClub Blitz 3 2025 2025-06-12 2025-06-12 Blitz Eden (WEG) 6 6 1 Yes Analysis
5 Western Cape Schools Individual Championship 2025 (U13 Girls) 2025-05-17 2025-05-18 Standard Cape Winelands (WCW) 6 6 4.5 Yes Analysis
6 InterClub Blitz 2 2025 2025-05-08 2025-05-08 Blitz Eden (WEG) 10 8 0 Yes Analysis
7 Southern Knights Rapid 2025 (B) 2025-05-03 2025-05-03 Rapid Eden (WEG) 7 6 2 Yes Analysis
8 Eden Chess Trials 2 2025 (U14) 2025-03-15 2025-04-12 Standard Eden (WEG) 10 5 4 Yes Analysis
9 South African Junior Closed Chess Championships 2025 (U12 Girls) 2025-03-31 2025-04-05 Standard Cape Winelands (WCW) 9 9 4 Yes Analysis
10 Eden Schools Chess Trials 1 2025 (U13 Girls) 2025-03-08 2025-03-08 Standard Eden (WEG) 5 5 5 Yes Analysis
11 George Schools Chess Trials 2 2025 (U13 Girls) 2025-02-15 2025-02-15 Standard Eden (WEG) 5 5 4 Yes Analysis
12 George Schools Chess Trials 1 2025 (U13 Girls) 2025-02-01 2025-02-01 Standard Eden (WEG) 5 5 4.5 Yes Analysis
Last 500 tournaments since 01 January 2018
# Tournament Start End Type Host Rounds Games Score Cfr Analysis
1 Interclub Blitz 3 2025 2025-07-30 2025-07-30 Blitz Eden (WEG) 6 6 2.5 Yes Analysis
2 George Top Schools 2025 (U15) 2025-07-26 2025-07-26 Standard Eden (WEG) 5 4 3.5 Yes Analysis
3 Knysna Oyster Festival Rapid 2025 (Scholars) 2025-07-12 2025-07-12 Rapid Eden (WEG) 6 6 3 Yes Analysis
4 InterClub Blitz 3 2025 2025-06-12 2025-06-12 Blitz Eden (WEG) 6 6 1 Yes Analysis
5 Western Cape Schools Individual Championship 2025 (U13 Girls) 2025-05-17 2025-05-18 Standard Cape Winelands (WCW) 6 6 4.5 Yes Analysis
6 InterClub Blitz 2 2025 2025-05-08 2025-05-08 Blitz Eden (WEG) 10 8 0 Yes Analysis
7 Southern Knights Rapid 2025 (B) 2025-05-03 2025-05-03 Rapid Eden (WEG) 7 6 2 Yes Analysis
8 Eden Chess Trials 2 2025 (U14) 2025-03-15 2025-04-12 Standard Eden (WEG) 10 5 4 Yes Analysis
9 South African Junior Closed Chess Championships 2025 (U12 Girls) 2025-03-31 2025-04-05 Standard Cape Winelands (WCW) 9 9 4 Yes Analysis
10 Eden Schools Chess Trials 1 2025 (U13 Girls) 2025-03-08 2025-03-08 Standard Eden (WEG) 5 5 5 Yes Analysis
11 George Schools Chess Trials 2 2025 (U13 Girls) 2025-02-15 2025-02-15 Standard Eden (WEG) 5 5 4 Yes Analysis
12 George Schools Chess Trials 1 2025 (U13 Girls) 2025-02-01 2025-02-01 Standard Eden (WEG) 5 5 4.5 Yes Analysis
13 George Suid Senior Skaaktoernooi 2024 2024-10-26 2024-10-26 Rapid Eden (WEG) 5 5 4 Yes Analysis
14 George Primary Top Schools 2024 (U11) 2024-07-20 2024-07-20 Standard Eden (WEG) 5 4 3 Yes Analysis
15 Western Cape - Kings and Queens 2024 (Girls) 2024-06-08 2024-06-08 Rapid Overberg (WOS) 5 4 3.5 Yes Analysis
16 South African Junior Closed Chess Championship 2024 (U12 Girls) 2024-04-27 2024-05-01 Standard Ekurhuleni (GE) 9 8 2.5 Yes Analysis
17 Western Cape PS Individuals Championship 2024 (U11 Girls) 2024-05-04 2024-05-05 Standard West Coast (WCU) 6 6 2 Yes Analysis
18 Eden Chess Trials 2 2024 (U12) 2024-04-13 2024-04-20 Standard Eden (WEG) 10 10 7 Yes Analysis
19 Eden School Chess Trials 1 2024 (U11 Girls) 2024-03-09 2024-03-09 Standard Eden (WEG) 5 5 4 Yes Analysis
20 George Schools Trials 3 2024 (U11 Girls) 2024-03-02 2024-03-02 Standard Eden (WEG) 5 5 3.5 Yes Analysis
21 George Schools Trials 2 2024 (U11 Girls) 2024-02-17 2024-02-17 Standard Eden (WEG) 5 5 3 Yes Analysis
22 George Schools Trials 1 2024 (U11 Girls) 2024-02-03 2024-02-03 Standard Eden (WEG) 5 5 4 Yes Analysis
23 Pacaltsdorp Chess Club Open 2023 (Development) 2023-08-26 2023-08-26 Rapid Eden (WEG) 6 6 5 Yes Analysis
24 Top Schools 2023 (U13) 2023-07-29 2023-07-29 Standard Eden (WEG) 5 4 1 Yes Analysis
25 Knysna Oyster Festival 2023 (Juniors) 2023-07-01 2023-07-01 Rapid Eden (WEG) 6 6 3.5 Yes Analysis
26 Western Cape PS Individuals 2023 (U11 Girls) 2023-05-05 2023-05-06 Standard Cape Town (WCT) 6 6 5 Yes Analysis
27 Eden Trials 2+3 2023 (U12) 2023-04-15 2023-05-13 Standard Eden (WEG) 10 9 4 Yes Analysis
28 Eden Trails 1 2023 (U11 Girls) 2023-03-11 2023-03-11 Standard Eden (WEG) 5 5 3.5 Yes Analysis
29 George Chess Trials 2 2023 (U11 Girls) 2023-02-11 2023-02-11 Standard Cape Town (WCT) 5 5 4 Yes Analysis
30 George Chess Trials 1 2023 (U11 Girls) 2023-01-28 2023-01-28 Standard Eden (WEG) 5 5 4.5 Yes Analysis
31 George Open 2022 (C) 2022-12-03 2022-12-03 Standard Eden (WEG) 5 5 2 Yes Analysis
32 Mossel Bay Open 2022 (C) 2022-10-01 2022-10-01 Rapid Eden (WEG) 5 5 2.5 Yes Analysis
33 WCCA Rural Cup 2022 (U10) 2022-08-13 2022-08-14 Standard Overberg (WOS) 5 3 3 Yes Analysis
34 WCCA Rural Cup Blitz 2022 2022-07-12 2022-07-12 Blitz Overberg (WOS) 5 5 2 Yes Analysis
35 George Topskole 2022 (O9) 2022-07-30 2022-07-30 Standard Eden (WEG) 5 4 3 Yes Analysis
36 George Open 2022 (C) 2022-06-11 2022-06-11 Standard Eden (WEG) 5 5 3 Yes Analysis
37 Western Cape Schools 2022 (U9 Girls) 2022-05-28 2022-05-29 Standard Cape Winelands (WCW) 6 6 5 Yes Analysis
38 Eden Proewe 2 2022 (O9 Dogters) 2022-04-09 2022-04-09 Standard Eden (WEG) 5 5 4 Yes Analysis
39 Eden Proewe 1 2022 (O9 Dogters) 2022-03-12 2022-03-12 Standard Eden (WEG) 5 5 5 Yes Analysis
40 George Trials 2 2022 (U9) 2022-02-12 2022-02-12 Standard Eden (WEG) 5 5 5 Yes Analysis
41 George Trials 1 2022 (U9) 2022-01-29 2022-01-29 Standard Eden (WEG) 5 5 5 Yes Analysis

Top 3 Streaks

# Games Start End
1 17 Tournament
George Trials 1 2022
Tournament
Eden Proewe 2 2022
date
2022-01-29
rnd
1
type
Standard
result
1
date
2022-04-09
rnd
2
type
Standard
result
1
Opponent
Polden, I (Isabelle)
Opponent
Jansen, E (Elgezay)
2 12 Tournament
George Suid Senior Skaaktoernooi 2024
Tournament
George Schools Chess Trials 2 2025
date
2024-10-26
rnd
2
type
Rapid
result
1
date
2025-02-15
rnd
3
type
Standard
result
1
Opponent
Kotze, A (Ayden)
Opponent
Barkhuysen, A (Ankia)
3 8 Tournament
George Schools Chess Trials 2 2025
Tournament
Eden Chess Trials 2 2025
date
2025-02-15
rnd
5
type
Standard
result
1
date
2025-03-15
rnd
2
type
Standard
result
1
Opponent
Bruiners, C (Chandre)
Opponent
Bruiners, C (Chandre)
# Games Start End
1 17 Tournament
George Trials 1 2022
Tournament
Eden Proewe 2 2022
date
2022-01-29
rnd
1
type
Standard
result
1
date
2022-04-09
rnd
2
type
Standard
result
1
Opponent
Polden, I (Isabelle)
Opponent
Jansen, E (Elgezay)
2 9 Tournament
George Primary Top Schools 2024
Tournament
George Schools Chess Trials 2 2025
date
2024-07-20
rnd
5
type
Standard
result
1
date
2025-02-15
rnd
3
type
Standard
result
1
Opponent
Van Staden, P (Pearson)
Opponent
Barkhuysen, A (Ankia)
3 8 Tournament
Western Cape Schools Individual Championship 2025
Tournament
George Top Schools 2025
date
2025-05-17
rnd
3
type
Standard
result
1
date
2025-07-26
rnd
5
type
Standard
result
1
Opponent
Mtintsilana, A (Athabile)
Opponent
Petersen, S (Shenwin)
# Games Start End
1 7 Tournament
Pacaltsdorp Chess Club Open 2023
Tournament
Western Cape - Kings and Queens 2024
date
2023-08-26
rnd
4
type
Rapid
result
1
date
2024-06-08
rnd
4
type
Rapid
result
1
Opponent
Molose, A (Achuma)
Opponent
Van Der Westhuizen, L (Linli)
2 6 Tournament
Mossel Bay Open 2022
Tournament
Knysna Oyster Festival 2023
date
2022-10-01
rnd
5
type
Rapid
result
0.5
date
2023-07-01
rnd
5
type
Rapid
result
0.5
Opponent
Vanqa, A (Ahlomle)
Opponent
Windvogel, N (Nayron)
3 5 Tournament
George Suid Senior Skaaktoernooi 2024
Tournament
Southern Knights Rapid 2025
date
2024-10-26
rnd
2
type
Rapid
result
1
date
2025-05-03
rnd
1
type
Rapid
result
1
Opponent
Kotze, A (Ayden)
Opponent
Magomarele, R (Rachel)
# Games Start End
1 2 Tournament
Interclub Blitz 3 2025
Tournament
Interclub Blitz 3 2025
date
2025-07-30
rnd
5
type
Blitz
result
1
date
2025-07-30
rnd
6
type
Blitz
result
1
Opponent
Oktober, J (Jayson)
Opponent
Oktober, J (Jayson)
2 1 Tournament
Interclub Blitz 3 2025
Tournament
Interclub Blitz 3 2025
date
2025-07-30
rnd
3
type
Blitz
result
0.5
date
2025-07-30
rnd
3
type
Blitz
result
0.5
Opponent
Roelf, W (Wildren)
Opponent
Roelf, W (Wildren)
3 1 Tournament
InterClub Blitz 3 2025
Tournament
InterClub Blitz 3 2025
date
2025-06-12
rnd
5
type
Blitz
result
1
date
2025-06-12
rnd
5
type
Blitz
result
1
Opponent
Marner, B (Bryan Neil)
Opponent
Marner, B (Bryan Neil)
# Games Start End
1 17 Tournament
George Trials 1 2022
Tournament
Eden Proewe 2 2022
date
2022-01-29
rnd
1
type
Standard
result
1
date
2022-04-09
rnd
2
type
Standard
result
1
Opponent
Polden, I (Isabelle)
Opponent
Jansen, E (Elgezay)
2 8 Tournament
George Schools Chess Trials 2 2025
Tournament
Eden Chess Trials 2 2025
date
2025-02-15
rnd
5
type
Standard
result
1
date
2025-03-15
rnd
2
type
Standard
result
1
Opponent
Bruiners, C (Chandre)
Opponent
Bruiners, C (Chandre)
3 8 Tournament
George Suid Senior Skaaktoernooi 2024
Tournament
George Schools Chess Trials 1 2025
date
2024-10-26
rnd
2
type
Rapid
result
1
date
2025-02-01
rnd
4
type
Standard
result
1
Opponent
Kotze, A (Ayden)
Opponent
Cornforth, K (Kayleigh)
# Games Start End
1 17 Tournament
George Trials 1 2022
Tournament
Eden Proewe 2 2022
date
2022-01-29
rnd
1
type
Standard
result
1
date
2022-04-09
rnd
2
type
Standard
result
1
Opponent
Polden, I (Isabelle)
Opponent
Jansen, E (Elgezay)
2 8 Tournament
George Schools Chess Trials 2 2025
Tournament
Eden Chess Trials 2 2025
date
2025-02-15
rnd
5
type
Standard
result
1
date
2025-03-15
rnd
2
type
Standard
result
1
Opponent
Bruiners, C (Chandre)
Opponent
Bruiners, C (Chandre)
3 5 Tournament
George Primary Top Schools 2024
Tournament
George Schools Chess Trials 1 2025
date
2024-07-20
rnd
5
type
Standard
result
1
date
2025-02-01
rnd
4
type
Standard
result
1
Opponent
Van Staden, P (Pearson)
Opponent
Cornforth, K (Kayleigh)
# Games Start End
1 5 Tournament
George Suid Senior Skaaktoernooi 2024
Tournament
Southern Knights Rapid 2025
date
2024-10-26
rnd
2
type
Rapid
result
1
date
2025-05-03
rnd
1
type
Rapid
result
1
Opponent
Kotze, A (Ayden)
Opponent
Magomarele, R (Rachel)
2 4 Tournament
Pacaltsdorp Chess Club Open 2023
Tournament
Western Cape - Kings and Queens 2024
date
2023-08-26
rnd
4
type
Rapid
result
1
date
2024-06-08
rnd
1
type
Rapid
result
1
Opponent
Molose, A (Achuma)
Opponent
Du Preez, A (Anneke)
3 2 Tournament
Knysna Oyster Festival Rapid 2025
Tournament
Knysna Oyster Festival Rapid 2025
date
2025-07-12
rnd
2
type
Rapid
result
1
date
2025-07-12
rnd
3
type
Rapid
result
1
Opponent
Jacobs, E (Eugeniel)
Opponent
Plaatjies, A (Ayren)
# Games Start End
1 2 Tournament
Interclub Blitz 3 2025
Tournament
Interclub Blitz 3 2025
date
2025-07-30
rnd
5
type
Blitz
result
1
date
2025-07-30
rnd
6
type
Blitz
result
1
Opponent
Oktober, J (Jayson)
Opponent
Oktober, J (Jayson)
2 1 Tournament
InterClub Blitz 3 2025
Tournament
InterClub Blitz 3 2025
date
2025-06-12
rnd
5
type
Blitz
result
1
date
2025-06-12
rnd
5
type
Blitz
result
1
Opponent
Marner, B (Bryan Neil)
Opponent
Marner, B (Bryan Neil)
3 1 Tournament
WCCA Rural Cup Blitz 2022
Tournament
WCCA Rural Cup Blitz 2022
date
2022-07-12
rnd
4
type
Blitz
result
1
date
2022-07-12
rnd
4
type
Blitz
result
1
Opponent
Stalmeester, J (Jaiden)
Opponent
Stalmeester, J (Jaiden)

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 Blignaut ,DC (Dane) 8 4.5 53.1 8 4.5 53.1 0 0 0 0 0 0
1452.7 1505.9 1468.6 1505.9 0 0 0 0
2 Zaaiman ,J (Jana) 7 6 303.6 7 6 303.6 0 0 0 0 0 0
1274.9 1578.4 1272.9 1578.4 0 0 0 0
3 Le Roux ,M (Melandi) 7 6 303.6 7 6 303.6 0 0 0 0 0 0
1268.4 1571.9 1272.3 1571.9 0 0 0 0
4 Bruiners ,C (Chandre) 6 5 283.3 6 5 283.3 0 0 0 0 0 0
1267.4 1550.7 1253 1550.7 0 0 0 0
5 Cornforth ,K (Kayleigh) 6 1.5 -212.5 4 1.5 -106.2 2 0 -425 0 0 0
1572.2 1359.7 1568.2 1465.9 1231.5 1147.2 0 0
6 Pringle ,K (Kirsten) 5 4 255 5 4 255 0 0 0 0 0 0
1334.2 1589.2 1340 1589.2 0 0 0 0
7 Cathi ,B (Beunielle) 4 4 425 4 4 425 0 0 0 0 0 0
1207.8 1632.8 1209.4 1632.8 0 0 0 0
8 Barkhuysen ,A (Ankia) 4 4 425 4 4 425 0 0 0 0 0 0
1217.9 1642.9 1208.6 1642.9 0 0 0 0
9 Greeff ,M (Mari) 4 2 0 3 1 -141.7 1 1 425 0 0 0
1472.1 1472.1 1465.7 1330.4 1200 1897.1 0 0
10 Simon ,R (Riley) 4 0 -425 2 0 -425 0 0 0 2 0 -425
1691.6 1266.6 1687.8 1266.6 0 0 1333.4 1266.6

Norms

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