Chess South Africa
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Chess South Africa
Chikwava, R (Ronald)
Dob:
1973/07/26 (Adult)
Gender:
Male
Chess SA id:
173004580
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/05/04 (6 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
Curent Raw rating
1628.2
Curent Weighted rating
1552.6
Curent Weighted performance
1612.1
Current official/published rating (highest between Raw, WR and WP)
1628.2
Current floor (min rating allowed)
1135.8
Current highest rating achieved
1635.8
Current K-factor
28
Games played this month
5
Score (S)
0.5
Expected score (We)
1.74
Difference (S-We)
-1.24
Current Raw change (no limits, including tournament time weight)
-28.8
Current min/max change allowed (with limits)
±90.1
Current Raw change used (final)
-28.8
Projected new Raw rating
1599.4
Projected new Weighed rating
1556.3
Projected new Weighted performance
1612.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1612.1
Projected effective change (new Official - current Official)
-16.1
Projected new highest rating
1635.8
Projected new floor
1135.8
Projected new K-facor
28
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
Curent Raw rating
1609.2
Curent Weighted rating
1536.9
Curent Weighted performance
1604.2
Current official/published rating (highest between Raw, WR and WP)
1609.2
Current floor (min rating allowed)
1121.1
Current highest rating achieved
1621.1
Current K-factor
28
Games played this month
5
Score (S)
0.5
Expected score (We)
1.60
Difference (S-We)
-1.10
Current Raw change (no limits, including tournament time weight)
-30.8
Current min/max change allowed (with limits)
±92.6
Current Raw change used (final)
-30.8
Projected new Raw rating
1578.4
Projected new Weighed rating
1539.5
Projected new Weighted performance
1604.2
Projected new official/published rating (highest between new Raw, new WR and new WP)
1604.2
Projected effective change (new Official - current Official)
-5.0
Projected new highest rating
1621.1
Projected new floor
1121.1
Projected new K-facor
28
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
Curent Raw rating
1617.8
Curent Weighted rating
1479.4
Curent Weighted performance
1578.1
Current official/published rating (highest between Raw, WR and WP)
1617.8
Current floor (min rating allowed)
1117.8
Current highest rating achieved
1617.8
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)
±91.4
Current Raw change used (final)
0.0
Projected new Raw rating
1617.8
Projected new Weighed rating
1490.9
Projected new Weighted performance
1578.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1617.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1617.8
Projected new floor
1117.8
Projected new K-facor
28
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
Curent Raw rating
1433.6
Curent Weighted rating
1446.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1446.0
Current floor (min rating allowed)
1117.8
Current highest rating achieved
1487.0
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)
±118.9
Current Raw change used (final)
0.0
Projected new Raw rating
1433.6
Projected new Weighed rating
1444.0
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1444.0
Projected effective change (new Official - current Official)
-2.0
Projected new highest rating
1487.0
Projected new floor
1117.8
Projected new K-facor
32
Tournaments
History
Tournament:
JMC Helpmekaar Kollege Tournament 2024 (A)
Start:
2024/05/04
End:
2024/05/04
Host:
GJM
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
0.5
Main rating:
1628.2
Rating gain/loss:
-28.8
Type rating:
1609.2
Rating gain/loss:
-30.8
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
10
JMC Helpmekaar Kollege Tournament 2024 (A)
2024/05/04
2024/05/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
0.5
1628.2
1609.2
Analysis
9
2024 Milos Ristic Open Chess Tournament (A)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1621.5
1546.8
Analysis
8
2024 KSNG CHess Academy Open Tournament (B)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1621.5
1546.8
Analysis
7
1st Knights Open Tournament 2024 (A)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1635.8
1523.9
Analysis
6
JNW Open - Classic - Crawford 2024 (B)
2024/03/09
2024/03/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1635.8
1523.9
Analysis
5
JMC Unika School Tournament 2024 (A)
2024/03/02
2024/03/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1635.8
1523.9
Analysis
4
Gear Up Mzansi Rapid 2024 (Expert)
2024/02/17
2024/02/17
Johannesburg Metro (GJM)
Rapid
35
0.66
5
4
2.5
1549.1
1412.8
Analysis
3
2024 Blou Bul Open Chess Tournament (A)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1549.1
1532.9
Analysis
2
JMC Kick Off Tournament 2024 (A)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.5
1555.6
1532.9
Analysis
1
2024 Tshwane Chess OPEN Registration Tournament (A)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
4
1.5
1555.6
1532.9
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
34
JMC Helpmekaar Kollege Tournament 2024 (A)
2024/05/04
2024/05/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
0.5
1628.2
1609.2
Analysis
33
2024 Milos Ristic Open Chess Tournament (A)
2024/04/27
2024/04/27
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1621.5
1546.8
Analysis
32
2024 KSNG CHess Academy Open Tournament (B)
2024/04/06
2024/04/06
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1621.5
1546.8
Analysis
31
1st Knights Open Tournament 2024 (A)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1635.8
1523.9
Analysis
30
JNW Open - Classic - Crawford 2024 (B)
2024/03/09
2024/03/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.0
1635.8
1523.9
Analysis
29
JMC Unika School Tournament 2024 (A)
2024/03/02
2024/03/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
1.0
1635.8
1523.9
Analysis
28
Gear Up Mzansi Rapid 2024 (Expert)
2024/02/17
2024/02/17
Johannesburg Metro (GJM)
Rapid
35
0.66
5
4
2.5
1549.1
1412.8
Analysis
27
2024 Blou Bul Open Chess Tournament (A)
2024/02/10
2024/02/10
Tshwane (GTP)
Standard
60
0.83
5
5
1.5
1549.1
1532.9
Analysis
26
JMC Kick Off Tournament 2024 (A)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
1.5
1555.6
1532.9
Analysis
25
2024 Tshwane Chess OPEN Registration Tournament (A)
2024/01/27
2024/01/27
Tshwane (GTP)
Standard
60
0.83
5
4
1.5
1555.6
1532.9
Analysis
24
Chess Power House Festive Rapid 2023 (B)
2023/12/15
2023/12/15
Johannesburg Metro (GJM)
Rapid
20
0.47
6
6
4.5
1494.7
1410.9
Analysis
23
Mzansi Summer Blitz 2023
2023/12/09
2023/12/09
Johannesburg Metro (GJM)
Rapid
10
0.29
7
7
3.0
1494.7
1410.9
Analysis
22
Africawide Chess Championship 2023 (Open)
2023/11/03
2023/11/05
Johannesburg Metro (GJM)
Standard
90
0.94
7
6
2.5
1510.0
1520.5
Analysis
21
Mzansi Bryanston Rapid 2023 (Advanced)
2023/10/07
2023/10/07
Johannesburg Metro (GJM)
Rapid
25
0.54
5
5
2.5
1514.2
1428.5
Analysis
20
Mzansi Spring Rapid 2023
2023/09/02
2023/09/02
Johannesburg Metro (GJM)
Rapid
15
0.39
7
7
3.0
1519.2
1448.3
Analysis
19
Chess Power House 2023 (A)
2023/08/19
2023/08/20
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
3.0
1470.0
1466.2
Analysis
18
JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
2023/07/30
2023/07/30
Johannesburg Metro (GJM)
Blitz
8
0.25
7
7
4.0
1468.3
1455.0
Analysis
17
2023 Lubowski Open Tournament (A)
2023/06/24
2023/06/25
Tshwane (GTP)
Standard
90
0.94
5
3
0.0
1495.9
1494.8
Analysis
16
2023 Elize Steenkamp Open Tournament (A)
2023/06/16
2023/06/17
Tshwane (GTP)
Standard
90
0.94
6
6
1.5
1495.9
1494.8
Analysis
15
JNW Open - Trinityhouse Little Falls 2023 (A)
2023/05/13
2023/05/13
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
0.0
1520.1
1530.1
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
47
17
7
23
20.5
43.6
-54.3
1660.9
1606.6
White
22
9
4
9
11.0
50.0
0.0
1656.8
1656.8
Black
25
8
3
14
9.5
38.0
-102.0
1664.5
1562.5
Standard
All
43
15
6
22
18.0
41.9
-69.2
1621.0
1551.8
White
20
9
3
8
10.5
52.5
21.3
1609.0
1630.3
Black
23
6
3
14
7.5
32.6
-147.8
1631.4
1483.5
Rapid
All
4
2
1
1
2.5
62.5
106.3
2090.0
2196.2
White
2
0
1
1
0.5
25.0
-212.5
2134.1
1921.6
Black
2
2
0
0
2.0
100.0
425.0
2045.8
2470.8
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
188
79
18
91
88.0
46.8
-27.1
1553.9
1526.7
White
93
42
10
41
47.0
50.5
4.6
1563.4
1568.0
Black
95
37
8
50
41.0
43.2
-58.2
1544.5
1486.4
Standard
All
137
55
14
68
62.0
45.3
-40.3
1562.2
1521.9
White
68
31
7
30
34.5
50.7
6.2
1578.6
1584.9
Black
69
24
7
38
27.5
39.9
-86.2
1546.0
1459.7
Rapid
All
35
16
3
16
17.5
50.0
0.0
1545.9
1545.9
White
17
7
2
8
8.0
47.1
-25.0
1519.1
1494.1
Black
18
9
1
8
9.5
52.8
23.6
1571.2
1594.8
Blitz
All
16
8
1
7
8.5
53.1
26.6
1499.9
1526.5
White
8
4
1
3
4.5
56.3
53.1
1527.9
1581.0
Black
8
4
0
4
4.0
50.0
0.0
1471.9
1471.9
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1110098631
Kruger, T (Tobias)
6
4.5
4
1
1
75.0
1589.5
212.5
1802.0
View list
2
102092210
Buba, V (Vukile)
4
1.5
1
1
2
37.5
1595.6
-106.3
1489.4
View list
3
183068085
Magagula, R (Raymond)
3
1.5
1
1
1
50.0
1527.3
0.0
1527.3
View list
4
203010232
Gardiner, N (Noa)
3
1.0
1
0
2
33.3
1581.0
-141.7
1439.4
View list
5
107069948
Jones, W (William)
3
0.5
0
1
2
16.7
1582.2
-283.3
1298.9
View list
6
103022974
Mhango, BF (Banele)
3
0.0
0
0
3
0.0
1568.2
-425.0
1143.2
View list
7
1070132914
Mlambo, I (Ishmael)
3
0.0
0
0
3
0.0
1534.7
-425.0
1109.7
View list
8
208071873
Chinoruma, T (Tawana)
2
2.0
2
0
0
100.0
1503.5
425.0
1928.5
View list
9
1120115958
Bazhko, A (Anton)
2
2.0
2
0
0
100.0
1474.3
425.0
1899.3
View list
10
108073207
Horn, E (Evan)
2
2.0
2
0
0
100.0
1499.8
425.0
1924.8
View list
11
107078828
Johnson, C (Caleb)
2
2.0
2
0
0
100.0
1505.5
425.0
1930.5
View list
12
211085191
Naidoo, K (Kajol)
2
2.0
2
0
0
100.0
1495.6
425.0
1920.6
View list
13
108073208
Steyn, T (Tjaart)
2
2.0
2
0
0
100.0
1481.1
425.0
1906.1
View list
14
1970159378
Chidembo, P (Prince)
2
1.0
1
0
1
50.0
1592.4
0.0
1592.4
View list
15
109069449
Boheim, E (Eugene)
2
1.0
1
0
1
50.0
1521.0
0.0
1521.0
View list
16
1080119822
Elvin, D (David)
2
1.0
1
0
1
50.0
1621.5
0.0
1621.5
View list
17
189038287
Tshetlo, T (Tshepo)
2
1.0
1
0
1
50.0
1541.1
0.0
1541.1
View list
18
150010492
Geyser, J (Johan)
2
0.5
0
1
1
25.0
1540.3
-212.5
1327.8
View list
19
1890115391
Ilenikhena, B (Basil)
2
0.5
0
1
1
25.0
1503.0
-212.5
1290.5
View list
20
206091525
Nel, H (Hayley)
2
0.5
0
1
1
25.0
1525.8
-212.5
1313.3
View list