Chess South Africa
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Player Tournament Analysis
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Chess South Africa
Johnson, A (Alfonzo)
Dob:
2006/01/06 (U20)
Gender:
Male
Chess SA id:
1060149688
FIDE id:
Region:
Dr Kenneth Kaunda (NWP)
Citizen:
RSA
Title(s):
Tournament and Raing
Tournament
Main rating
Standard rating
General
Tournament
Dr. Kenneth Kaunda Saamtrek 2023 (U18)
Tournament id
20230228
Rating type
Standard
Start
2023/02/04
End
2023/02/04
Rounds
5
Total time
60
Time weight
0.83
Total time
Official results
Rating
1200.0
K-factor
40
Average opponent rating
1268.3
Performance
1055.8
Expected score
1.68
Score - Expected score
-0.68
Rating change
-22.6
Rating
1200.0
K-factor
40
Average opponent rating
1266.8
Performance
1054.3
Expected score
1.69
Score - Expected score
-0.69
Rating change
-27.6
Games
4
Score
1.0
%
25.0
Dp
-212,5
Wins
1
Draws
0
Losses
3
Final position
0
Shared position
0
Opponents
#
Date
Opponent
Fed
Main Rating
Type Ratings
Col
Res
MainWe
TypeWe
Main+/-
Type+/-
5
2023/02/04
Ellis, CE (Catherine)
NWP
1334.7
1323.3
W
0
0.38
0.40
-12.2
-16.0
4
2023/02/04
Mokomela, R (Retshego)
NWP
1200.0
1200.0
B
0
0.46
0.46
-14.7
-18.4
3
2023/02/04
Mabaleka, B (Bohlale)
NWP
1200.0
1200.0
W
1
0.54
0.54
14.7
18.4
2
2023/02/04
Jonker, DE (Danica)
NWP
1338.7
1343.9
B
0
0.30
0.29
-9.6
-11.6
1
2023/02/04
Mpotu, T (Tlhalefo)
NWP
1200.0
1200.0
D
1
0.00
0.00