Chess South Africa
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Chess South Africa
Mchontsi, A (Ayabonga)
Dob:
2006/04/21 (U20)
Gender:
Male
Chess SA id:
106089505
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/09/07 (78 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
1520.7
Current Weighted rating
1554.2
Current Weighted performance
1425.3
Current official/published rating (highest between Raw, WR and WP)
1554.2
Current highest rating achieved
1612.3
Current floor (min rating allowed)
1112.3
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)
±105.0
Current Raw change used (final)
0.0
Projected new Raw rating
1520.7
Projected new Weighed rating
1430.1
Projected new Weighted performance
1425.3
Projected new final Raw rating (if new WP > new Raw)
1520.7
Projected new highest rating
1612.3
Projected new floor
1112.3
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1520.7
Projected effective change (new Official - current Official)
-33.5
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
1516.0
Current Weighted rating
1561.0
Current Weighted performance
1403.2
Current official/published rating (highest between Raw, WR and WP)
1561.0
Current highest rating achieved
1595.3
Current floor (min rating allowed)
1095.3
Current K-factor
32
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)
±105.7
Current Raw change used (final)
0.0
Projected new Raw rating
1516.0
Projected new Weighed rating
1437.0
Projected new Weighted performance
1403.2
Projected new final Raw rating (if new WP > new Raw)
1516.0
Projected new highest rating
1595.3
Projected new floor
1095.3
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1516.0
Projected effective change (new Official - current Official)
-45.0
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
1478.9
Current Weighted rating
1446.6
Current Weighted performance
1442.0
Current official/published rating (highest between Raw, WR and WP)
1478.9
Current highest rating achieved
1479.5
Current floor (min rating allowed)
979.5
Current K-factor
32
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)
±111.4
Current Raw change used (final)
0.0
Projected new Raw rating
1478.9
Projected new Weighed rating
1331.6
Projected new Weighted performance
1442.0
Projected new final Raw rating (if new WP > new Raw)
1478.9
Projected new highest rating
1479.5
Projected new floor
979.5
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1478.9
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
1364.5
Current Weighted rating
1362.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1364.5
Current highest rating achieved
1364.5
Current floor (min rating allowed)
864.5
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)
±131.2
Current Raw change used (final)
0.0
Projected new Raw rating
1364.5
Projected new Weighed rating
1253.7
Projected new Weighted performance
119.9
Projected new final Raw rating (if new WP > new Raw)
1364.5
Projected new highest rating
1364.5
Projected new floor
864.5
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1364.5
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
10
CT League 2024 (A)
2024/07/20
2024/09/07
Cape Town (WCT)
Standard
120
1.00
11
11
5.0
1546.2
1551.2
Analysis
9
Rylib Winter Slam 2024 (Championship)
2024/06/19
2024/06/19
Cape Town (WCT)
Rapid
20
0.47
6
6
4.0
1536.5
1382.9
Analysis
8
Cape Town Chess Federation Closed Chess Championships 2024 (U20)
2024/06/15
2024/06/16
Cape Town (WCT)
Standard
70
0.87
5
4
2.0
1536.5
1578.4
Analysis
7
Cape Town Junior League Finals 2024 (U18 Open A)
2024/05/18
2024/05/18
Cape Town (WCT)
Rapid
25
0.54
5
5
0.5
1546.6
1399.2
Analysis
6
Cape Town Junior League - Qualifier 2 2024 (U18)
2024/04/20
2024/04/20
Cape Town (WCT)
Rapid
25
0.54
6
6
5.0
1546.6
1399.2
Analysis
5
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
4.5
1567.8
1575.5
Analysis
4
Cape Town Open Rapid Chess Championship 2024 (Open)
2024/03/17
2024/03/17
Cape Town (WCT)
Rapid
25
0.54
6
6
3.0
1567.8
1424.2
Analysis
3
Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1567.8
1575.5
Analysis
2
Cape of Good Hope Open Chess Tournament 2024 (Advanced)
2024/02/17
2024/02/17
Cape Town (WCT)
Standard
70
0.87
6
6
3.0
1570.9
1595.3
Analysis
1
CT Metro Central District Schools Chess Individuals Trials 2024 (U18 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
3.5
1570.9
1595.3
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
74
CT League 2024 (A)
2024/07/20
2024/09/07
Cape Town (WCT)
Standard
120
1.00
11
11
5.0
1546.2
1551.2
Analysis
73
Rylib Winter Slam 2024 (Championship)
2024/06/19
2024/06/19
Cape Town (WCT)
Rapid
20
0.47
6
6
4.0
1536.5
1382.9
Analysis
72
Cape Town Chess Federation Closed Chess Championships 2024 (U20)
2024/06/15
2024/06/16
Cape Town (WCT)
Standard
70
0.87
5
4
2.0
1536.5
1578.4
Analysis
71
Cape Town Junior League Finals 2024 (U18 Open A)
2024/05/18
2024/05/18
Cape Town (WCT)
Rapid
25
0.54
5
5
0.5
1546.6
1399.2
Analysis
70
Cape Town Junior League - Qualifier 2 2024 (U18)
2024/04/20
2024/04/20
Cape Town (WCT)
Rapid
25
0.54
6
6
5.0
1546.6
1399.2
Analysis
69
Western Cape HS Individuals Championship 2024 (U18 Boys)
2024/03/21
2024/03/22
Overberg (WOS)
Standard
60
0.83
6
6
4.5
1567.8
1575.5
Analysis
68
Cape Town Open Rapid Chess Championship 2024 (Open)
2024/03/17
2024/03/17
Cape Town (WCT)
Rapid
25
0.54
6
6
3.0
1567.8
1424.2
Analysis
67
Cape Town Metro Schools Chess Closed Individuals 2024 (U18 Boys)
2024/03/02
2024/03/03
Cape Town (WCT)
Standard
60
0.83
6
6
4.0
1567.8
1575.5
Analysis
66
Cape of Good Hope Open Chess Tournament 2024 (Advanced)
2024/02/17
2024/02/17
Cape Town (WCT)
Standard
70
0.87
6
6
3.0
1570.9
1595.3
Analysis
65
CT Metro Central District Schools Chess Individuals Trials 2024 (U18 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
3.5
1570.9
1595.3
Analysis
64
Rylib Summer Slam 2023 (Championship)
2023/12/12
2023/12/12
Cape Town (WCT)
Rapid
20
0.47
6
5
1.0
1592.0
1471.2
Analysis
63
Bonnievale Open Rapid 2023 (Advanced)
2023/10/21
2023/10/21
Cape Winelands (WCW)
Rapid
25
0.54
6
5
1.5
1612.3
1479.5
Analysis
62
Chess@libraries 2023
2023/10/05
2023/10/05
Cape Town (WCT)
Rapid
15
0.39
6
6
5.0
1612.3
1479.5
Analysis
61
Western Cape Closed Championship 2023 (B)
2023/09/23
2023/09/25
Cape Town (WCT)
Standard
120
1.00
6
6
5.0
1582.9
1555.4
Analysis
60
Western Cape Top Schools 2023 (U18 Mixed)
2023/09/02
2023/09/03
Cape Winelands (WCW)
Standard
60
0.83
6
4
2.0
1582.9
1555.4
Analysis
59
WP Club League 2023 (B)
2023/07/29
2023/09/09
Cape Town (WCT)
Standard
120
1.00
11
8
5.0
1582.9
1555.4
Analysis
58
Rylib Chess Winter Slam 2023 (A)
2023/07/06
2023/07/06
Cape Town (WCT)
Rapid
20
0.47
6
6
3.5
1567.6
1434.4
Analysis
57
WP Closed 2023 (U18+U20)
2023/06/16
2023/06/17
Cape Town (WCT)
Standard
70
0.87
6
5
3.0
1579.3
1565.0
Analysis
56
Steinitz Open 2023 (A+B)
2023/05/26
2023/05/28
Cape Town (WCT)
Standard
90
0.94
6
6
3.5
1586.2
1555.9
Analysis
55
Hermanus Rapid 2023 (B)
2023/04/22
2023/04/22
Overberg (WOS)
Rapid
25
0.54
6
6
5.5
1528.6
1384.7
Analysis
1
2
3
4
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
61
31
7
23
34.5
56.6
55.7
1473.3
1529.1
White
31
15
4
12
17.0
54.8
41.1
1471.3
1512.4
Black
30
16
3
11
17.5
58.3
70.8
1475.4
1546.2
Standard
All
38
19
6
13
22.0
57.9
67.1
1456.0
1523.1
White
19
10
3
6
11.5
60.5
89.5
1436.8
1526.2
Black
19
9
3
7
10.5
55.3
44.7
1475.3
1520.0
Rapid
All
23
12
1
10
12.5
54.3
37.0
1501.9
1538.8
White
12
5
1
6
5.5
45.8
-35.4
1526.0
1490.6
Black
11
7
0
4
7.0
63.6
115.9
1475.6
1591.5
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
445
229
52
164
255.0
57.3
62.1
1353.7
1415.8
White
226
124
27
75
137.5
60.8
92.1
1361.3
1453.5
Black
219
105
25
89
117.5
53.7
31.1
1345.9
1376.9
Standard
All
323
172
41
110
192.5
59.6
81.6
1323.7
1405.2
White
161
91
20
50
101.0
62.7
108.2
1330.7
1438.9
Black
162
81
21
60
91.5
56.5
55.1
1316.7
1371.8
Rapid
All
114
54
11
49
59.5
52.2
18.6
1440.0
1458.7
White
61
31
7
23
34.5
56.6
55.7
1445.3
1501.0
Black
53
23
4
26
25.0
47.2
-24.1
1434.0
1409.9
Blitz
All
8
3
0
5
3.0
37.5
-106.3
1337.4
1231.2
White
4
2
0
2
2.0
50.0
0.0
1314.9
1314.9
Black
4
1
0
3
1.0
25.0
-212.5
1360.0
1147.5
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
106053361
Moollajee, R (Rehaan)
6
0.5
0
1
5
8.3
1375.7
-354.2
1021.6
View list
2
2050096404
Mqikela, K (Kamvalethu)
4
4.0
4
0
0
100.0
1405.5
425.0
1830.5
View list
3
1000111503
Mutunhire, R (Roy)
4
2.5
2
1
1
62.5
1388.7
106.3
1494.9
View list
4
1060096574
Bell, A (Ayakha)
4
1.5
0
3
1
37.5
1469.5
-106.3
1363.2
View list
5
108087782
Jonkers, T (Tristan)
3
3.0
3
0
0
100.0
1379.6
425.0
1804.6
View list
6
1060150619
Mbusi, I (Inathi)
3
3.0
3
0
0
100.0
1535.0
425.0
1960.0
View list
7
105013511
Jaffer, U (Uzair)
3
2.5
2
1
0
83.3
1420.2
283.3
1703.5
View list
8
108089520
Adams, K (Kyron)
3
2.0
2
0
1
66.7
1580.6
141.7
1722.3
View list
9
105077311
Brander, WWM (Waylon)
3
2.0
2
0
1
66.7
1396.0
141.7
1537.6
View list
10
1070133973
Morgan, N (Nathan)
3
2.0
1
2
0
66.7
1498.8
141.7
1640.5
View list
11
105083544
Joubert, K (Keegan)
3
1.5
1
1
1
50.0
1362.2
0.0
1362.2
View list
12
205014626
Joubert, N (Natasha)
3
1.5
1
1
1
50.0
1470.9
0.0
1470.9
View list
13
1050108214
Lose, L (Luvo)
3
1.5
1
1
1
50.0
1343.5
0.0
1343.5
View list
14
104089518
Mkentane, L (Lutho)
3
1.5
1
1
1
50.0
1334.5
0.0
1334.5
View list
15
102046410
Siyo, S (Sibabale)
3
1.5
1
1
1
50.0
1387.4
0.0
1387.4
View list
16
185035662
Solomon, WC (William)
3
1.5
1
1
1
50.0
1509.8
0.0
1509.8
View list
17
104059592
Boshoff, C (Chris)
3
1.0
1
0
2
33.3
1428.6
-141.7
1287.0
View list
18
2930100456
Chiriya, T (Takudzwa)
3
1.0
1
0
2
33.3
1512.5
-141.7
1370.8
View list
19
103090573
Kungwayo, M (Mbasa)
3
1.0
1
0
2
33.3
1219.1
-141.7
1077.4
View list
20
105053760
Parenzee, E (Ethan)
3
1.0
1
0
2
33.3
1381.6
-141.7
1240.0
View list