Chess South Africa
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Chess South Africa
Mann, I (Iowan)
Dob:
2013/04/05 (U12)
Gender:
Male
Chess SA id:
1130152987
FIDE id:
Mann
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2024/06/15 (8 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
1519.1
Current Weighted rating
1452.2
Current Weighted performance
1434.5
Current official/published rating (highest between Raw, WR and WP)
1519.1
Current highest rating achieved
1613.7
Current floor (min rating allowed)
1113.7
Current K-factor
28
Games played this month
20
Score (S)
17.5
Expected score (We)
12.14
Difference (S-We)
4.27
Current Raw change (no limits, including tournament time weight)
119.6
Current min/max change allowed (with limits)
±105.2
Current Raw change used (final)
105.2
Projected new Raw rating
1624.3
Projected new Weighed rating
1342.7
Projected new Weighted performance
1692.2
Projected new final Raw rating (if new WP > new Raw)
1692.2
Projected new highest rating
1692.2
Projected new floor
1192.2
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1692.2
Projected effective change (new Official - current Official)
+173.1
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
1517.1
Current Weighted rating
1451.6
Current Weighted performance
1455.5
Current official/published rating (highest between Raw, WR and WP)
1517.1
Current highest rating achieved
1620.2
Current floor (min rating allowed)
1120.2
Current K-factor
28
Games played this month
15
Score (S)
15.0
Expected score (We)
11.01
Difference (S-We)
3.99
Current Raw change (no limits, including tournament time weight)
111.7
Current min/max change allowed (with limits)
±105.5
Current Raw change used (final)
105.5
Projected new Raw rating
1622.6
Projected new Weighed rating
1342.1
Projected new Weighted performance
1673.0
Projected new final Raw rating (if new WP > new Raw)
1673.0
Projected new highest rating
1673.0
Projected new floor
1173.0
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1673.0
Projected effective change (new Official - current Official)
+155.9
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
1434.8
Current Weighted rating
1322.1
Current Weighted performance
1448.6
Current official/published rating (highest between Raw, WR and WP)
1448.6
Current highest rating achieved
1434.8
Current floor (min rating allowed)
934.8
Current K-factor
32
s
Games played this month
5
Score (S)
2.5
Expected score (We)
1.04
Difference (S-We)
1.46
Current Raw change (no limits, including tournament time weight)
46.7
Current min/max change allowed (with limits)
±118.7
Current Raw change used (final)
46.7
Projected new Raw rating
1481.5
Projected new Weighed rating
1219.8
Projected new Weighted performance
1550.3
Projected new final Raw rating (if new WP > new Raw)
1550.3
Projected new highest rating
1550.3
Projected new floor
1050.3
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1550.3
Projected effective change (new Official - current Official)
+101.7
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
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
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)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Tournament:
2024 Elise Steenkamp Open Chess Tournament (Rooks)
Start:
2024/06/15
End:
2024/06/15
Host:
GTP
Type:
Standard
Time:
90
Time weight:
0.94
Rounds:
5
Games:
5
Score:
5.0
Main rating:
1519.1
Rating gain/loss:
34.5
Type rating:
1517.1
Rating gain/loss:
38.1
Analysis
Tournament:
AG Visser Open 2024 (C)
Start:
2024/06/08
End:
2024/06/08
Host:
GSV
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
5.0
Main rating:
1519.1
Rating gain/loss:
31.1
Type rating:
1517.1
Rating gain/loss:
38.6
Analysis
Tournament:
Boksburg Rapid 2024 (A)
Start:
2024/05/14
End:
2024/06/11
Host:
GE
Type:
Rapid
Time:
30
Time weight:
0.60
Rounds:
5
Games:
5
Score:
2.5
Main rating:
1519.1
Rating gain/loss:
23.5
Type rating:
1434.8
Rating gain/loss:
46.7
Analysis
Tournament:
Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys)
Start:
2024/05/11
End:
2024/05/11
Host:
GE
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
5.0
Main rating:
1519.1
Rating gain/loss:
30.4
Type rating:
1517.1
Rating gain/loss:
35.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
15
2024 Elise Steenkamp Open Chess Tournament (Rooks)
2024/06/15
2024/06/15
Tshwane (GTP)
Standard
90
0.94
5
5
5.0
1519.1
1517.1
Analysis
14
AG Visser Open 2024 (C)
2024/06/08
2024/06/08
Sedibeng (GSV)
Standard
60
0.83
5
5
5.0
1519.1
1517.1
Analysis
13
Boksburg Rapid 2024 (A)
2024/05/14
2024/06/11
Ekurhuleni (GE)
Rapid
30
0.60
5
5
2.5
1519.1
1434.8
Analysis
12
Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys)
2024/05/11
2024/05/11
Ekurhuleni (GE)
Standard
60
0.83
5
5
5.0
1519.1
1517.1
Analysis
11
South African Junior Closed Chess Championship 2024 (U12 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
3.5
1565.6
1563.3
Analysis
10
Westwood Open 2024 (C)
2024/04/13
2024/04/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1564.7
1563.9
Analysis
9
CPH St Andrew's Rapid 2024 (B)
2024/03/30
2024/03/30
Ekurhuleni (GE)
Rapid
20
0.47
5
5
4.0
1613.7
1350.4
Analysis
8
1st Knights Open Tournament 2024 (B)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
2.0
1613.7
1620.2
Analysis
7
2024 Chris Greyling Open Chess Tournament (B)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1613.7
1620.2
Analysis
6
Benoni Primary School Cluster Individuals 2024 (U11 Boys)
2024/03/09
2024/03/09
Ekurhuleni (GE)
Rapid
30
0.60
5
5
4.5
1613.7
1350.4
Analysis
5
Schoemies' Kings & Queens 2024 (Rooks)
2024/03/02
2024/03/02
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1613.7
1620.2
Analysis
4
NG Kerk Vanderbijlpark Suid 2024 (A+B)
2024/02/24
2024/02/24
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1613.7
1620.2
Analysis
3
Bojanala Closed Chess Championships Finals 2024 (U12)
2024/02/09
2024/02/11
Bojanala Platina (NBR)
Standard
120
1.00
5
5
5.0
1545.3
1548.0
Analysis
2
2024 Piet Robbertse Open Chess Tournament (C)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1545.3
1548.0
Analysis
1
Bojanala Closed Chess Championships Stage 1 2024 (U12)
2024/01/27
2024/01/27
Bojanala Platina (NBR)
Standard
60
0.83
5
5
5.0
1505.1
1499.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
34
2024 Elise Steenkamp Open Chess Tournament (Rooks)
2024/06/15
2024/06/15
Tshwane (GTP)
Standard
90
0.94
5
5
5.0
1519.1
1517.1
Analysis
33
AG Visser Open 2024 (C)
2024/06/08
2024/06/08
Sedibeng (GSV)
Standard
60
0.83
5
5
5.0
1519.1
1517.1
Analysis
32
Boksburg Rapid 2024 (A)
2024/05/14
2024/06/11
Ekurhuleni (GE)
Rapid
30
0.60
5
5
2.5
1519.1
1434.8
Analysis
31
Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys)
2024/05/11
2024/05/11
Ekurhuleni (GE)
Standard
60
0.83
5
5
5.0
1519.1
1517.1
Analysis
30
South African Junior Closed Chess Championship 2024 (U12 Open)
2024/04/27
2024/05/01
Ekurhuleni (GE)
Standard
120
1.00
9
9
3.5
1565.6
1563.3
Analysis
29
Westwood Open 2024 (C)
2024/04/13
2024/04/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1564.7
1563.9
Analysis
28
CPH St Andrew's Rapid 2024 (B)
2024/03/30
2024/03/30
Ekurhuleni (GE)
Rapid
20
0.47
5
5
4.0
1613.7
1350.4
Analysis
27
1st Knights Open Tournament 2024 (B)
2024/03/23
2024/03/23
Johannesburg Metro (GJM)
Standard
60
0.83
5
4
2.0
1613.7
1620.2
Analysis
26
2024 Chris Greyling Open Chess Tournament (B)
2024/03/16
2024/03/16
Tshwane (GTP)
Standard
60
0.83
5
5
2.0
1613.7
1620.2
Analysis
25
Benoni Primary School Cluster Individuals 2024 (U11 Boys)
2024/03/09
2024/03/09
Ekurhuleni (GE)
Rapid
30
0.60
5
5
4.5
1613.7
1350.4
Analysis
24
Schoemies' Kings & Queens 2024 (Rooks)
2024/03/02
2024/03/02
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
1613.7
1620.2
Analysis
23
NG Kerk Vanderbijlpark Suid 2024 (A+B)
2024/02/24
2024/02/24
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1613.7
1620.2
Analysis
22
Bojanala Closed Chess Championships Finals 2024 (U12)
2024/02/09
2024/02/11
Bojanala Platina (NBR)
Standard
120
1.00
5
5
5.0
1545.3
1548.0
Analysis
21
2024 Piet Robbertse Open Chess Tournament (C)
2024/02/03
2024/02/04
Tshwane (GTP)
Standard
90
0.94
5
5
3.0
1545.3
1548.0
Analysis
20
Bojanala Closed Chess Championships Stage 1 2024 (U12)
2024/01/27
2024/01/27
Bojanala Platina (NBR)
Standard
60
0.83
5
5
5.0
1505.1
1499.0
Analysis
19
Chess Power House Festive Rapid 2023 (Grade 3-7)
2023/12/15
2023/12/15
Johannesburg Metro (GJM)
Rapid
20
0.47
6
6
4.5
1519.6
1325.9
Analysis
18
Bojanala's Merry ChessMas 2023 (Rooks)
2023/12/09
2023/12/09
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.5
1519.6
1520.0
Analysis
17
Queens Gambit Chess Open 2023 (A)
2023/11/25
2023/11/25
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1539.7
1553.0
Analysis
16
Evaton Primary Chess Open 2023 (A)
2023/11/18
2023/11/18
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1539.7
1553.0
Analysis
15
Africawide Chess Championship 2023 (Development B)
2023/11/04
2023/11/04
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
4.0
1539.7
1553.0
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
78
54
7
17
57.5
73.7
201.6
1404.5
1606.1
White
38
30
1
7
30.5
80.3
257.2
1389.2
1646.5
Black
40
24
6
10
27.0
67.5
148.8
1419.0
1567.8
Standard
All
63
44
5
14
46.5
73.8
202.4
1401.9
1604.3
White
31
25
1
5
25.5
82.3
274.2
1381.3
1655.5
Black
32
19
4
9
21.0
65.6
132.8
1421.8
1554.6
Rapid
All
15
10
2
3
11.0
73.3
198.3
1415.5
1613.8
White
7
5
0
2
5.0
71.4
182.1
1424.2
1606.3
Black
8
5
2
1
6.0
75.0
212.5
1407.9
1620.4
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
173
125
9
39
129.5
74.9
211.3
1342.5
1553.8
White
85
67
3
15
68.5
80.6
260.0
1327.5
1587.5
Black
88
58
6
24
61.0
69.3
164.2
1357.1
1521.3
Standard
All
137
99
6
32
102.0
74.5
207.8
1345.3
1553.2
White
66
53
2
11
54.0
81.8
270.5
1330.8
1601.3
Black
71
46
4
21
48.0
67.6
149.6
1358.8
1508.5
Rapid
All
36
26
3
7
27.5
76.4
224.3
1331.9
1556.2
White
19
14
1
4
14.5
76.3
223.7
1315.8
1539.5
Black
17
12
2
3
13.0
76.5
225.0
1349.8
1574.8
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1130131230
Changara, A (Alvis Tafadzwa)
3
3.0
3
0
0
100.0
1526.0
425.0
1951.0
View list
2
1140144042
Motau, N (Neelo)
3
3.0
3
0
0
100.0
1554.7
425.0
1979.7
View list
3
1130154999
Gadney, L (Liam)
2
2.0
2
0
0
100.0
1552.2
425.0
1977.2
View list
4
1130149645
Gouws, C (Christiaan)
2
2.0
2
0
0
100.0
1390.3
425.0
1815.3
View list
5
1770190884
Hanauer, A (Anthony)
2
2.0
2
0
0
100.0
1576.7
425.0
2001.7
View list
6
2140158313
Mann, L (Leane)
2
2.0
2
0
0
100.0
1534.9
425.0
1959.9
View list
7
1140144040
Mogomotsi, G (Gofaone)
2
2.0
2
0
0
100.0
1525.2
425.0
1950.2
View list
8
1140112260
Pillay, J (Joshua)
2
2.0
2
0
0
100.0
1541.9
425.0
1966.9
View list
9
1070151371
Setumo, T (Tlou)
2
2.0
2
0
0
100.0
1579.3
425.0
2004.3
View list
10
2120133676
Smith, MI (Melea Ine)
2
2.0
2
0
0
100.0
1384.2
425.0
1809.2
View list
11
1130135701
Van Loggerenberg, E (Elandre)
2
1.5
1
1
0
75.0
1566.4
212.5
1778.9
View list
12
1130139611
Jordaan, M (Mikijl)
2
1.0
1
0
1
50.0
1359.5
0.0
1359.5
View list
13
1130141406
Mnisi, O (Omphile Sizwe)
2
1.0
1
0
1
50.0
1406.8
0.0
1406.8
View list
14
1120115958
Bazhko, A (Anton)
2
0.0
0
0
2
0.0
1552.7
-425.0
1127.7
View list
15
1110157434
Dharampall, V (Viraak)
2
0.0
0
0
2
0.0
1579.5
-425.0
1154.5
View list
16
1130131229
Changara, A (Alvern Takura)
1
1.0
1
0
0
100.0
1505.1
425.0
1930.1
View list
17
1110131242
Changara, A (Adiel Tavonga)
1
1.0
1
0
0
100.0
1613.7
425.0
2038.7
View list
18
1100190366
Cele, P (Phakama)
1
1.0
1
0
0
100.0
1613.4
425.0
2038.4
View list
19
1100115940
Carapinha, J (Joao)
1
1.0
1
0
0
100.0
1370.2
425.0
1795.2
View list
20
1130301224
Byrne, F (Flynn)
1
1.0
1
0
0
100.0
1613.7
425.0
2038.7
View list