Chess South Africa
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Chess South Africa
Maruma, K (Katlego)
Dob:
2007/01/13 (U18)
Gender:
Male
Chess SA id:
1070097558
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
Last active:
2024/07/13 (14 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
1470.9
Current Weighted rating
1399.1
Current Weighted performance
1466.2
Current official/published rating (highest between Raw, WR and WP)
1470.9
Current highest rating achieved
1470.9
Current floor (min rating allowed)
970.9
Current K-factor
32
Games played this month
5
Score (S)
1.5
Expected score (We)
1.65
Difference (S-We)
-0.10
Current Raw change (no limits, including tournament time weight)
-3.2
Current min/max change allowed (with limits)
±112.7
Current Raw change used (final)
-3.2
Projected new Raw rating
1467.7
Projected new Weighed rating
1288.7
Projected new Weighted performance
1451.6
Projected new final Raw rating (if new WP > new Raw)
1467.7
Projected new highest rating
1470.9
Projected new floor
970.9
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1467.7
Projected effective change (new Official - current Official)
-3.2
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
1414.6
Current Weighted rating
1368.9
Current Weighted performance
1408.3
Current official/published rating (highest between Raw, WR and WP)
1414.6
Current highest rating achieved
1445.7
Current floor (min rating allowed)
945.7
Current K-factor
32
Games played this month
-4
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)
±122.1
Current Raw change used (final)
0.0
Projected new Raw rating
1414.6
Projected new Weighed rating
1260.3
Projected new Weighted performance
1408.3
Projected new final Raw rating (if new WP > new Raw)
1414.6
Projected new highest rating
1445.7
Projected new floor
945.7
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1414.6
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
1427.4
Current Weighted rating
1344.6
Current Weighted performance
1454.9
Current official/published rating (highest between Raw, WR and WP)
1454.9
Current highest rating achieved
1427.4
Current floor (min rating allowed)
927.4
Current K-factor
32
s
Games played this month
5
Score (S)
1.5
Expected score (We)
1.80
Difference (S-We)
-0.30
Current Raw change (no limits, including tournament time weight)
-9.6
Current min/max change allowed (with limits)
±119.9
Current Raw change used (final)
-9.6
Projected new Raw rating
1417.8
Projected new Weighed rating
1238.5
Projected new Weighted performance
1471.7
Projected new final Raw rating (if new WP > new Raw)
1471.7
Projected new highest rating
1471.7
Projected new floor
971.7
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1471.7
Projected effective change (new Official - current Official)
+16.8
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
1191.2
Current Weighted rating
1193.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1193.9
Current highest rating achieved
1191.2
Current floor (min rating allowed)
691.2
Current K-factor
40
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)
±167.9
Current Raw change used (final)
0.0
Projected new Raw rating
1191.2
Projected new Weighed rating
1098.2
Projected new Weighted performance
413.0
Projected new final Raw rating (if new WP > new Raw)
1191.2
Projected new highest rating
1191.2
Projected new floor
691.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1191.2
Projected effective change (new Official - current Official)
-2.7
Tournaments
History
Tournament:
Curro Durbanville Chess Rapid Open 2024 (Championship)
Start:
2024/07/13
End:
2024/07/13
Host:
WCT
Type:
Rapid
Time:
35
Time weight:
0.66
Rounds:
5
Games:
5
Score:
1.5
Main rating:
1470.9
Rating gain/loss:
-3.2
Type rating:
1427.4
Rating gain/loss:
-9.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
7
Curro Durbanville Chess Rapid Open 2024 (Championship)
2024/07/13
2024/07/13
Cape Town (WCT)
Rapid
35
0.66
6
5
1.5
1470.9
1427.4
Analysis
6
Cape Town Chess Federation Closed Chess Championships 2024 (C)
2024/06/15
2024/06/17
Cape Town (WCT)
Standard
120
1.00
6
6
4.0
1444.3
1375.6
Analysis
5
Hermanus Chess Club Open 2024 (Advanced)
2024/04/20
2024/04/20
Overberg (WOS)
Rapid
20
0.47
7
7
4.0
1395.7
1328.8
Analysis
4
Cape Town Junior League Qualifier 2024 (U18 Open)
2024/04/06
2024/04/06
Cape Town (WCT)
Rapid
25
0.54
6
5
4.0
1395.7
1328.8
Analysis
3
Cape Town Open Chess Championship 2024 (Advanced)
2024/03/15
2024/03/17
Cape Town (WCT)
Standard
90
0.94
6
6
2.0
1418.4
1399.3
Analysis
2
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
3.0
1418.4
1399.3
Analysis
1
CT District East Schools Chess Individuals Trails 2024 (U18 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
5.0
1373.8
1344.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
54
Curro Durbanville Chess Rapid Open 2024 (Championship)
2024/07/13
2024/07/13
Cape Town (WCT)
Rapid
35
0.66
6
5
1.5
1470.9
1427.4
Analysis
53
Cape Town Chess Federation Closed Chess Championships 2024 (C)
2024/06/15
2024/06/17
Cape Town (WCT)
Standard
120
1.00
6
6
4.0
1444.3
1375.6
Analysis
52
Hermanus Chess Club Open 2024 (Advanced)
2024/04/20
2024/04/20
Overberg (WOS)
Rapid
20
0.47
7
7
4.0
1395.7
1328.8
Analysis
51
Cape Town Junior League Qualifier 2024 (U18 Open)
2024/04/06
2024/04/06
Cape Town (WCT)
Rapid
25
0.54
6
5
4.0
1395.7
1328.8
Analysis
50
Cape Town Open Chess Championship 2024 (Advanced)
2024/03/15
2024/03/17
Cape Town (WCT)
Standard
90
0.94
6
6
2.0
1418.4
1399.3
Analysis
49
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
3.0
1418.4
1399.3
Analysis
48
CT District East Schools Chess Individuals Trails 2024 (U18 Boys)
2024/02/03
2024/02/03
Cape Town (WCT)
Standard
60
0.83
5
5
5.0
1373.8
1344.6
Analysis
47
Kraaifontein Open 2023 (Adanced)
2023/12/09
2023/12/10
Cape Town (WCT)
Standard
70
0.87
6
6
1.5
1393.8
1362.5
Analysis
46
Western Cape Closed Championship 2023 (C)
2023/09/24
2023/09/25
Cape Town (WCT)
Standard
90
0.94
6
5
2.0
1377.1
1351.9
Analysis
45
Western Cape Closed Championship 2023 (Blitz)
2023/09/23
2023/09/25
Cape Town (WCT)
Blitz
7
0.23
7
7
3.0
1377.1
1200.0
Analysis
44
Cape Town Junior Chess League Finals 2023 (U20A)
2023/09/16
2023/09/16
Cape Town (WCT)
Rapid
25
0.54
7
6
3.0
1377.1
1340.7
Analysis
43
WP Club League 2023 (C)
2023/07/29
2023/09/09
Cape Town (WCT)
Standard
120
1.00
11
7
4.5
1377.1
1351.9
Analysis
42
Cape Town Junior Chess League - Round 1 2023 (U20)
2023/07/22
2023/07/22
Cape Town (WCT)
Rapid
25
0.54
7
5
4.0
1350.5
1314.4
Analysis
41
Curro Durbanville Chess Open Rapid 2023 (Advanced)
2023/07/15
2023/07/15
Cape Town (WCT)
Rapid
35
0.66
6
6
2.5
1350.5
1314.4
Analysis
40
GPCA Rapid 2023 (Advanced)
2023/06/24
2023/06/24
Cape Town (WCT)
Rapid
25
0.54
7
7
2.0
1391.3
1284.5
Analysis
39
WP Closed 2023 (D)
2023/06/16
2023/06/18
Cape Town (WCT)
Standard
120
1.00
6
6
2.0
1391.3
1388.4
Analysis
38
Cape Town Junior League 2nd Qualifier 2023 (U20)
2023/06/03
2023/06/03
Cape Town (WCT)
Rapid
25
0.54
6
6
6.0
1391.3
1284.5
Analysis
37
Steinitz Open 2023 (A+B)
2023/05/26
2023/05/28
Cape Town (WCT)
Standard
90
0.94
6
6
1.0
1456.5
1445.7
Analysis
36
Cape Town Junior Chess League Q1 2023
2023/05/13
2023/05/13
Cape Town (WCT)
Rapid
25
0.54
7
7
3.0
1456.5
1298.9
Analysis
35
Hermanus Rapid 2023 (B)
2023/04/22
2023/04/22
Overberg (WOS)
Rapid
25
0.54
6
6
4.5
1419.6
1284.5
Analysis
1
2
3
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
40
20
7
13
23.5
58.8
74.4
1442.9
1517.3
White
22
12
4
6
14.0
63.6
115.9
1463.4
1579.3
Black
18
8
3
7
9.5
52.8
23.6
1417.8
1441.4
Standard
All
23
12
4
7
14.0
60.9
92.4
1386.6
1479.0
White
12
8
2
2
9.0
75.0
212.5
1403.3
1615.8
Black
11
4
2
5
5.0
45.5
-38.6
1368.3
1329.6
Rapid
All
17
8
3
6
9.5
55.9
50.0
1519.1
1569.1
White
10
4
2
4
5.0
50.0
0.0
1535.5
1535.5
Black
7
4
1
2
4.5
64.3
121.4
1495.7
1617.1
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
308
153
35
120
170.5
55.4
45.5
1299.1
1344.7
White
159
87
17
55
95.5
60.1
85.5
1287.0
1372.6
Black
149
66
18
65
75.0
50.3
2.9
1312.1
1314.9
Standard
All
193
93
22
78
104.0
53.9
33.0
1284.6
1317.6
White
100
52
12
36
58.0
58.0
68.0
1278.8
1346.8
Black
93
41
10
42
46.0
49.5
-4.6
1290.7
1286.2
Rapid
All
108
58
11
39
63.5
58.8
74.8
1315.8
1390.5
White
56
35
4
17
37.0
66.1
136.6
1294.5
1431.1
Black
52
23
7
22
26.5
51.0
8.2
1338.6
1346.8
Blitz
All
7
2
2
3
3.0
42.9
-60.7
1444.7
1384.0
White
3
0
1
2
0.5
16.7
-283.3
1420.2
1136.8
Black
4
2
1
1
2.5
62.5
106.3
1463.2
1569.4
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1090109869
Priestley, L (Logan)
4
2.5
2
1
1
62.5
1389.6
106.3
1495.9
View list
2
106092062
Ncethelo, B (Bongolethu)
4
0.0
0
0
4
0.0
1405.0
-425.0
980.0
View list
3
108091526
Lau, C (Callum)
3
1.0
0
2
1
33.3
1376.2
-141.7
1234.6
View list
4
107061376
Goliath, K (Kian)
3
0.5
0
1
2
16.7
1286.0
-283.3
1002.7
View list
5
104093014
Manuel, C (Conner)
3
0.5
0
1
2
16.7
1367.6
-283.3
1084.3
View list
6
1060108804
Ntukela, A (Amzolele)
3
0.5
0
1
2
16.7
1290.5
-283.3
1007.2
View list
7
108089520
Adams, K (Kyron)
2
2.0
2
0
0
100.0
1337.7
425.0
1762.7
View list
8
1120140113
Guo, A (Aleks)
2
2.0
2
0
0
100.0
1407.1
425.0
1832.1
View list
9
195020239
Maliwa, S (Silindokuhle)
2
2.0
2
0
0
100.0
1410.7
425.0
1835.7
View list
10
1080157927
Matthee, C (Connor)
2
2.0
2
0
0
100.0
1404.8
425.0
1829.8
View list
11
1070115880
Naude, J (Jan-Daniel)
2
2.0
2
0
0
100.0
1370.9
425.0
1795.9
View list
12
210088278
Nieuwoudt, N (Noreht)
2
2.0
2
0
0
100.0
1266.8
425.0
1691.8
View list
13
108061379
Solomon, D (Daniel)
2
2.0
2
0
0
100.0
1331.7
425.0
1756.7
View list
14
205056390
Ebrahim, MB (Mumtaaz)
2
1.5
1
1
0
75.0
1369.4
212.5
1581.9
View list
15
2000056152
Ariefdien, D (Dominique)
2
1.0
1
0
1
50.0
1193.2
0.0
1193.2
View list
16
108051707
De Wit, M (Marnus)
2
1.0
1
0
1
50.0
1400.7
0.0
1400.7
View list
17
209095311
Grove, E (Emily)
2
1.0
1
0
1
50.0
1412.5
0.0
1412.5
View list
18
106085427
Jacobson, G (Gabriel)
2
1.0
1
0
1
50.0
1378.7
0.0
1378.7
View list
19
1060150618
Marsh, A (Aiden)
2
1.0
1
0
1
50.0
1394.1
0.0
1394.1
View list
20
106054115
Schuch, CH (Cornelius)
2
1.0
1
0
1
50.0
1377.5
0.0
1377.5
View list