Chess South Africa
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Chess South Africa
Lirafu, S (Siyambonga)
Dob:
2007/08/26 (U18)
Gender:
Male
Chess SA id:
1070137714
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/06/08 (184 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1691.0
Current Weighted rating
1671.3
Current Weighted performance
1492.4
Current official/published rating (highest between Raw, WR and WP)
1691.0
Current highest rating achieved
1691.0
Current floor (min rating allowed)
1191.0
Current K-factor
28
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±82.4
Current Raw change used (final)
0.0
Projected new Raw rating
1691.0
Projected new Weighed rating
1539.7
Projected new Weighted performance
1492.4
Projected new final Raw rating (if new WP > new Raw)
1691.0
Projected new highest rating
1691.0
Projected new floor
1191.0
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1691.0
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1649.2
Current Weighted rating
1626.1
Current Weighted performance
1520.7
Current official/published rating (highest between Raw, WR and WP)
1649.2
Current highest rating achieved
1649.2
Current floor (min rating allowed)
1149.2
Current K-factor
28
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±87.4
Current Raw change used (final)
0.0
Projected new Raw rating
1649.2
Projected new Weighed rating
1498.3
Projected new Weighted performance
1520.7
Projected new final Raw rating (if new WP > new Raw)
1649.2
Projected new highest rating
1649.2
Projected new floor
1149.2
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1649.2
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1622.2
Current Weighted rating
1598.3
Current Weighted performance
1566.3
Current official/published rating (highest between Raw, WR and WP)
1622.2
Current highest rating achieved
1632.0
Current floor (min rating allowed)
1132.0
Current K-factor
28
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±90.9
Current Raw change used (final)
0.0
Projected new Raw rating
1622.2
Projected new Weighed rating
1474.4
Projected new Weighted performance
1566.3
Projected new final Raw rating (if new WP > new Raw)
1622.2
Projected new highest rating
1632.0
Projected new floor
1132.0
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1622.2
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1264.8
Current Weighted rating
1238.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1264.8
Current highest rating achieved
1264.8
Current floor (min rating allowed)
764.8
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±151.2
Current Raw change used (final)
0.0
Projected new Raw rating
1264.8
Projected new Weighed rating
1140.9
Projected new Weighted performance
490.0
Projected new final Raw rating (if new WP > new Raw)
1264.8
Projected new highest rating
1264.8
Projected new floor
764.8
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1264.8
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
6
Western Cape - Kings and Queens 2024 (Boys)
2024/06/08
2024/06/08
Overberg (WOS)
Rapid
30
0.60
5
3
2.0
1690.5
1632.0
Analysis
5
Western Cape Inter Region Cup 2024 (U20 Boys)
2024/03/23
2024/03/24
Overberg (WOS)
Standard
90
0.94
5
5
3.0
1680.2
1602.9
Analysis
4
Western Cape Inter Region Cup 2024 (Blitz)
2024/03/22
2024/03/22
Overberg (WOS)
Blitz
5
0.18
7
7
4.5
1680.2
1200.0
Analysis
3
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
4.5
1680.2
1602.9
Analysis
2
Cape Winelands Schools - Prestige 2024 (U18 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
5.0
1680.2
1602.9
Analysis
1
Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
5.5
1666.3
1630.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
24
Western Cape - Kings and Queens 2024 (Boys)
2024/06/08
2024/06/08
Overberg (WOS)
Rapid
30
0.60
5
3
2.0
1690.5
1632.0
Analysis
23
Western Cape Inter Region Cup 2024 (U20 Boys)
2024/03/23
2024/03/24
Overberg (WOS)
Standard
90
0.94
5
5
3.0
1680.2
1602.9
Analysis
22
Western Cape Inter Region Cup 2024 (Blitz)
2024/03/22
2024/03/22
Overberg (WOS)
Blitz
5
0.18
7
7
4.5
1680.2
1200.0
Analysis
21
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
4.5
1680.2
1602.9
Analysis
20
Cape Winelands Schools - Prestige 2024 (U18 Boys)
2024/03/02
2024/03/02
Cape Winelands (WCW)
Standard
60
0.83
5
5
5.0
1680.2
1602.9
Analysis
19
Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
5.5
1666.3
1630.9
Analysis
18
Ashton Skaakmat Rapid 2023 (U15+Open)
2023/11/18
2023/11/18
Cape Winelands (WCW)
Rapid
30
0.60
6
6
6.0
1653.9
1578.2
Analysis
17
Robertson Chess Tournament Oct 2023 (Open)
2023/10/28
2023/10/28
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1622.5
1589.5
Analysis
16
Bonnievale Open Rapid 2023 (Advanced)
2023/10/21
2023/10/21
Cape Winelands (WCW)
Rapid
25
0.54
6
6
4.5
1622.5
1517.1
Analysis
15
CW Top Schools 2023 (U18 Mix)
2023/08/26
2023/08/26
Cape Winelands (WCW)
Rapid
32
0.63
5
5
5.0
1605.6
1429.7
Analysis
14
Langeberg Top Schools 2023 (U15+U18 Mix)
2023/07/29
2023/07/29
Cape Winelands (WCW)
Rapid
30
0.60
5
4
4.0
1593.9
1402.8
Analysis
13
Strategema 2023 (Open)
2023/05/13
2023/05/13
Cape Winelands (WCW)
Standard
60
0.83
5
5
5.0
1554.1
1528.7
Analysis
12
Western Cape HS Individuals 2023 (U17 Boys)
2023/04/01
2023/04/02
Cape Town (WCT)
Standard
60
0.83
6
6
3.5
1577.7
1551.7
Analysis
11
Cape Winelands Schools Prestige 2023 (U17 Boys)
2023/03/11
2023/03/11
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.5
1568.4
1490.9
Analysis
10
Cape Winelands Schools Chess - Trials 1 2023 (U17 Boys)
2023/02/25
2023/02/25
Cape Winelands (WCW)
Standard
60
0.83
5
5
4.0
1549.2
1380.5
Analysis
9
Langeberg Schools Chess Trials 2023 (U17 Boys+Girls)
2023/02/11
2023/02/11
Cape Winelands (WCW)
Rapid
30
0.60
5
5
5.0
1549.2
1339.8
Analysis
8
Heritage Chess Open 2022
2022/10/01
2022/10/01
Cape Winelands (WCW)
Standard
60
0.83
5
5
5.0
1467.5
1305.3
Analysis
7
Strategema 2022 (U17)
2022/09/10
2022/09/10
Cape Winelands (WCW)
Standard
60
0.83
5
4
4.0
1305.5
1244.8
Analysis
6
Langeberg Spring Open 2022 (A)
2022/09/03
2022/09/03
Cape Winelands (WCW)
Rapid
30
0.60
5
4
4.0
1305.5
1256.6
Analysis
5
Brave Knights Chess Festival 2022 (A)
2022/07/30
2022/07/30
Cape Winelands (WCW)
Standard
60
0.83
5
5
3.5
1256.8
1175.6
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
32
22
5
5
24.5
76.6
225.8
1472.3
1698.1
White
16
11
2
3
12.0
75.0
212.5
1467.0
1679.5
Black
16
11
3
2
12.5
78.1
239.1
1477.6
1716.6
Standard
All
16
11
3
2
12.5
78.1
239.1
1468.4
1707.5
White
8
5
2
1
6.0
75.0
212.5
1444.3
1656.8
Black
8
6
1
1
6.5
81.3
265.6
1492.5
1758.1
Rapid
All
9
7
1
1
7.5
83.3
283.3
1462.7
1746.1
White
5
4
0
1
4.0
80.0
255.0
1441.4
1696.4
Black
4
3
1
0
3.5
87.5
318.8
1489.4
1808.2
Blitz
All
7
4
1
2
4.5
64.3
121.4
1493.4
1614.9
White
3
2
0
1
2.0
66.7
141.7
1570.2
1711.9
Black
4
2
1
1
2.5
62.5
106.3
1435.8
1542.1
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
122
93
9
20
97.5
79.9
254.3
1370.0
1624.3
White
60
46
3
11
47.5
79.2
247.9
1368.2
1616.1
Black
62
47
6
9
50.0
80.6
260.5
1371.7
1632.1
Standard
All
61
45
6
10
48.0
78.7
243.9
1369.1
1613.0
White
29
21
3
5
22.5
77.6
234.5
1379.7
1614.2
Black
32
24
3
5
25.5
79.7
252.3
1359.6
1611.9
Rapid
All
54
44
2
8
45.0
83.3
283.3
1354.9
1638.2
White
28
23
0
5
23.0
82.1
273.2
1334.7
1607.9
Black
26
21
2
3
22.0
84.6
294.2
1376.6
1670.9
Blitz
All
7
4
1
2
4.5
64.3
121.4
1493.4
1614.9
White
3
2
0
1
2.0
66.7
141.7
1570.2
1711.9
Black
4
2
1
1
2.5
62.5
106.3
1435.8
1542.1
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
199059356
Swanepoel, A (Aschwin)
5
4.5
4
1
0
90.0
1379.8
340.0
1719.8
View list
2
1060139707
Lekay, R (Remarko)
4
4.0
4
0
0
100.0
1622.4
425.0
2047.4
View list
3
1080112286
Kana, Z (Zaywon)
4
2.0
2
0
2
50.0
1429.8
0.0
1429.8
View list
4
1050097108
Segelaar, G (Geriant)
4
0.5
0
1
3
12.5
1434.7
-318.8
1115.9
View list
5
187006098
Davids, JW (Jo-Wayne)
3
3.0
3
0
0
100.0
1385.9
425.0
1810.9
View list
6
1060108632
Maree, B (Brevin)
3
3.0
3
0
0
100.0
1388.4
425.0
1813.4
View list
7
1120112288
Robertson, J (Jonah)
3
2.0
2
0
1
66.7
1343.3
141.7
1484.9
View list
8
108078354
De Vos, ES (Eustace Steyn)
2
2.0
2
0
0
100.0
1673.3
425.0
2098.3
View list
9
206075236
Goeieman, J (Jody-Anne)
2
2.0
2
0
0
100.0
1571.6
425.0
1996.6
View list
10
288014490
Joseph, JMA (Juanbrey)
2
2.0
2
0
0
100.0
1434.7
425.0
1859.7
View list
11
1070137517
Roux, T (Tiaan)
2
2.0
2
0
0
100.0
1577.4
425.0
2002.4
View list
12
107078359
Davids, R (Rafael)
2
1.5
1
1
0
75.0
1673.3
212.5
1885.8
View list
13
1060099677
Njokweni, L (Llyabona)
2
1.5
1
1
0
75.0
1629.0
212.5
1841.5
View list
14
106078134
Geyser, K (Kobus)
2
1.0
1
0
1
50.0
1558.8
0.0
1558.8
View list
15
1060096732
Van Tonder, W (Wium)
2
1.0
1
0
1
50.0
1591.7
0.0
1591.7
View list
16
1870139700
Danster, EJJ (Emil Jacques Jacobus)
2
0.0
0
0
2
0.0
1246.9
-425.0
821.9
View list
17
1060150983
Exquire, C (Christiano)
1
1.0
1
0
0
100.0
1577.7
425.0
2002.7
View list
18
107961373
Ehlers, R (Ruben)
1
1.0
1
0
0
100.0
1680.2
425.0
2105.2
View list
19
107078353
De Wet, M (Malcolm)
1
1.0
1
0
0
100.0
1305.5
425.0
1730.5
View list
20
1070151293
De Lange, C (Caleb)
1
1.0
1
0
0
100.0
1549.2
425.0
1974.2
View list