Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Botiyana, A (Aphiwe)
Dob:
1990/11/19 (Adult)
Gender:
Male
Chess SA id:
190003214
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/06/29 (146 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
1700.5
Current Weighted rating
1671.0
Current Weighted performance
1387.5
Current official/published rating (highest between Raw, WR and WP)
1700.5
Current highest rating achieved
1734.7
Current floor (min rating allowed)
1234.7
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)
±81.3
Current Raw change used (final)
0.0
Projected new Raw rating
1700.5
Projected new Weighed rating
1540.4
Projected new Weighted performance
1387.5
Projected new final Raw rating (if new WP > new Raw)
1700.5
Projected new highest rating
1734.7
Projected new floor
1234.7
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1700.5
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
1674.5
Current Weighted rating
1654.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1674.5
Current highest rating achieved
1716.0
Current floor (min rating allowed)
1216.0
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)
±84.3
Current Raw change used (final)
0.0
Projected new Raw rating
1674.5
Projected new Weighed rating
1524.5
Projected new Weighted performance
1244.2
Projected new final Raw rating (if new WP > new Raw)
1674.5
Projected new highest rating
1716.0
Projected new floor
1216.0
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1674.5
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
1712.2
Current Weighted rating
1666.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1712.2
Current highest rating achieved
1720.6
Current floor (min rating allowed)
1220.6
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)
±79.9
Current Raw change used (final)
0.0
Projected new Raw rating
1712.2
Projected new Weighed rating
1536.1
Projected new Weighted performance
1174.9
Projected new final Raw rating (if new WP > new Raw)
1712.2
Projected new highest rating
1720.6
Projected new floor
1220.6
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1712.2
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
1772.0
Current Weighted rating
1707.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1772.0
Current highest rating achieved
1772.0
Current floor (min rating allowed)
1272.0
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)
±73.4
Current Raw change used (final)
0.0
Projected new Raw rating
1772.0
Projected new Weighed rating
1574.9
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1772.0
Projected new floor
1272.0
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1772.0
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
2
EN Chess Club Winter Open 2024 (A)
2024/06/29
2024/06/29
Ekurhuleni (GE)
Standard
60
0.83
5
4
1.5
1734.7
1716.0
Analysis
1
Ekurhuleni North Chess Club Open Tournament 2024 (A+B)
2024/03/02
2024/03/02
Ehlanzeni (MEN)
Rapid
30
0.60
7
7
6.0
1734.7
1720.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
7
EN Chess Club Winter Open 2024 (A)
2024/06/29
2024/06/29
Ekurhuleni (GE)
Standard
60
0.83
5
4
1.5
1734.7
1716.0
Analysis
6
Ekurhuleni North Chess Club Open Tournament 2024 (A+B)
2024/03/02
2024/03/02
Ehlanzeni (MEN)
Rapid
30
0.60
7
7
6.0
1734.7
1720.6
Analysis
5
Chess Power House Festive Rapid 2023 (B)
2023/12/15
2023/12/15
Johannesburg Metro (GJM)
Rapid
20
0.47
6
6
4.0
1570.4
1559.0
Analysis
4
Ekurhuleni North Chess Club 2023 (A)
2023/12/09
2023/12/09
Ekurhuleni (GE)
Rapid
30
0.60
7
7
5.5
1570.4
1559.0
Analysis
3
Ekurhuleni Chess Spring Tournament 2023 (A+B)
2023/09/23
2023/09/23
Ekurhuleni (GE)
Standard
60
0.83
5
5
4.0
1537.5
1529.3
Analysis
2
Ekurhuleni Trials 2 2023 (Open)
2023/04/22
2023/04/22
Ekurhuleni (GE)
Standard
60
0.83
5
5
2.0
1552.6
1550.4
Analysis
1
Heidelberg Open 2023 (A)
2023/02/04
2023/02/04
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1559.0
1559.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
11
7
1
3
7.5
68.2
154.5
1444.6
1599.2
White
6
5
0
1
5.0
83.3
283.3
1431.2
1714.5
Black
5
2
1
2
2.5
50.0
0.0
1460.8
1460.8
Standard
All
4
1
1
2
1.5
37.5
-106.3
1526.3
1420.0
White
2
1
0
1
1.0
50.0
0.0
1576.6
1576.6
Black
2
0
1
1
0.5
25.0
-212.5
1475.9
1263.4
Rapid
All
7
6
0
1
6.0
85.7
303.6
1398.0
1701.6
White
4
4
0
0
4.0
100.0
425.0
1358.5
1783.5
Black
3
2
0
1
2.0
66.7
141.7
1450.7
1592.4
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
39
24
4
11
26.0
66.7
141.7
1459.3
1600.9
White
20
15
1
4
15.5
77.5
233.8
1406.0
1639.7
Black
19
9
3
7
10.5
55.3
44.7
1515.4
1560.1
Standard
All
19
9
3
7
10.5
55.3
44.7
1505.3
1550.0
White
9
6
1
2
6.5
72.2
188.9
1455.4
1644.3
Black
10
3
2
5
4.0
40.0
-85.0
1550.2
1465.2
Rapid
All
20
15
1
4
15.5
77.5
233.8
1415.5
1649.3
White
11
9
0
2
9.0
81.8
270.5
1365.5
1636.0
Black
9
6
1
2
6.5
72.2
188.9
1476.6
1665.5
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
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1090119738
Shen Yu, F (Frank)
3
1.5
1
1
1
50.0
1669.0
0.0
1669.0
View list
2
1760157178
Ambrose, T (Thomas)
2
2.0
2
0
0
100.0
1652.6
425.0
2077.6
View list
3
1000152977
Khumalo, P (Prince)
2
1.0
1
0
1
50.0
1643.7
0.0
1643.7
View list
4
1030161571
Magaele, K (Kholofelo)
1
1.0
1
0
0
100.0
1734.7
425.0
2159.7
View list
5
199045771
Ledwaba, A (Amogelang)
1
1.0
1
0
0
100.0
1570.4
425.0
1995.4
View list
6
109092824
Labuschagne, I (Ivan)
1
1.0
1
0
0
100.0
1734.7
425.0
2159.7
View list
7
104086509
Khumalo, N (Nkosinathi)
1
1.0
1
0
0
100.0
1570.4
425.0
1995.4
View list
8
1780158298
Moultrey, A (Antonio Chrispian)
1
1.0
1
0
0
100.0
1570.4
425.0
1995.4
View list
9
2090135221
Monteiro Correia, M (Maya)
1
1.0
1
0
0
100.0
1537.5
425.0
1962.5
View list
10
169021807
Matseme, TS (Tshepo)
1
1.0
1
0
0
100.0
1570.4
425.0
1995.4
View list
11
183057228
Mathabe, K (Kabelo)
1
1.0
1
0
0
100.0
1570.4
425.0
1995.4
View list
12
179010736
Gopal, H (Hemant)
1
1.0
1
0
0
100.0
1734.7
425.0
2159.7
View list
13
204079859
Fauconier, C (Caley)
1
1.0
1
0
0
100.0
1552.6
425.0
1977.6
View list
14
196004002
Buthelezi, N (Ncedo)
1
1.0
1
0
0
100.0
1734.7
425.0
2159.7
View list
15
185003258
Bouwer, D (Dawid)
1
1.0
1
0
0
100.0
1559.0
425.0
1984.0
View list
16
1910138290
Moyo, Z (Zenzo)
1
1.0
1
0
0
100.0
1734.7
425.0
2159.7
View list
17
2110143800
Naidoo, D (Dhiya)
1
1.0
1
0
0
100.0
1537.5
425.0
1962.5
View list
18
211085191
Naidoo, K (Kajol)
1
1.0
1
0
0
100.0
1570.4
425.0
1995.4
View list
19
1920133768
Nhlapo, B (Bafana)
1
1.0
1
0
0
100.0
1570.4
425.0
1995.4
View list
20
105088019
Nickols, C (Corneil)
1
1.0
1
0
0
100.0
1570.4
425.0
1995.4
View list