Chess South Africa
Last updated:
Player Page
Home
Chess South Africa
Johnson, C (Christiano)
Dob:
2014/02/18 (U12)
Gender:
Male
Chess SA id:
1140303161
FIDE id:
Region:
West Coast (WCU)
Citizen:
RSA
Title(s):
Last active:
2024/09/01 (13 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
1268.0
Current Weighted rating
1215.5
Current Weighted performance
1243.1
Current official/published rating (highest between Raw, WR and WP)
1268.0
Current highest rating achieved
1268.0
Current floor (min rating allowed)
768.0
Current K-factor
36
Games played this month
11
Score (S)
4.0
Expected score (We)
4.89
Difference (S-We)
-0.75
Current Raw change (no limits, including tournament time weight)
-27.1
Current min/max change allowed (with limits)
±150.5
Current Raw change used (final)
-27.1
Projected new Raw rating
1240.9
Projected new Weighed rating
1118.8
Projected new Weighted performance
1198.8
Projected new final Raw rating (if new WP > new Raw)
1240.9
Projected new highest rating
1268.0
Projected new floor
768.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1240.9
Projected effective change (new Official - current Official)
-27.1
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
1220.4
Current Weighted rating
1198.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1220.4
Current highest rating achieved
1220.4
Current floor (min rating allowed)
720.4
Current K-factor
36
Games played this month
6
Score (S)
1.0
Expected score (We)
1.96
Difference (S-We)
-0.96
Current Raw change (no limits, including tournament time weight)
-34.6
Current min/max change allowed (with limits)
±161.1
Current Raw change used (final)
-34.6
Projected new Raw rating
1185.8
Projected new Weighed rating
1102.7
Projected new Weighted performance
970.7
Projected new final Raw rating (if new WP > new Raw)
1185.8
Projected new highest rating
1220.4
Projected new floor
720.4
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1185.8
Projected effective change (new Official - current Official)
-34.6
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
1288.4
Current Weighted rating
1227.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1288.4
Current highest rating achieved
1295.6
Current floor (min rating allowed)
795.6
Current K-factor
36
s
Games played this month
5
Score (S)
3.0
Expected score (We)
2.85
Difference (S-We)
0.15
Current Raw change (no limits, including tournament time weight)
5.4
Current min/max change allowed (with limits)
±146.2
Current Raw change used (final)
5.4
Projected new Raw rating
1293.8
Projected new Weighed rating
1129.8
Projected new Weighted performance
1177.3
Projected new final Raw rating (if new WP > new Raw)
1293.8
Projected new highest rating
1295.6
Projected new floor
795.6
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1293.8
Projected effective change (new Official - current Official)
+5.4
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
0.0
Current floor (min rating allowed)
700.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
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:
Western Cape Top Schools Championship 2024 (U11 Mixed)
Start:
2024/08/30
End:
2024/09/01
Host:
WEG
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
6
Games:
6
Score:
1.0
Main rating:
1268.0
Rating gain/loss:
-29.0
Type rating:
1220.4
Rating gain/loss:
-34.6
Analysis
Tournament:
The Rooibos Open 2024 (C)
Start:
2024/08/24
End:
2024/08/24
Host:
WCU
Type:
Rapid
Time:
35
Time weight:
0.66
Rounds:
5
Games:
5
Score:
3.0
Main rating:
1268.0
Rating gain/loss:
1.9
Type rating:
1288.4
Rating gain/loss:
5.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
7
Western Cape Top Schools Championship 2024 (U11 Mixed)
2024/08/30
2024/09/01
Eden (WEG)
Standard
60
0.83
6
6
1.0
1268.0
1220.4
Analysis
6
The Rooibos Open 2024 (C)
2024/08/24
2024/08/24
West Coast (WCU)
Rapid
35
0.66
5
5
3.0
1268.0
1288.4
Analysis
5
Pedro Booyse Top Schools Championships 2024 (U11)
2024/07/20
2024/07/20
West Coast (WCU)
Standard
60
0.83
5
4
2.5
1245.6
1186.4
Analysis
4
Lambertsbay Youth Open 2024 (Elite)
2024/06/17
2024/06/17
West Coast (WCU)
Rapid
33
0.64
5
5
2.0
1246.1
1295.6
Analysis
3
West Coast & Mykonos Open 2024 (U12)
2024/05/18
2024/05/18
West Coast (WCU)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
2
Bo-Weskus Skole Skaak Top Skole 2024 (O9+O11)
2024/05/11
2024/05/11
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1200.0
1200.0
Analysis
1
Lambersbaai Open 2024 (B)
2024/05/01
2024/05/01
West Coast (WCU)
Rapid
32
0.63
5
5
4.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
7
Western Cape Top Schools Championship 2024 (U11 Mixed)
2024/08/30
2024/09/01
Eden (WEG)
Standard
60
0.83
6
6
1.0
1268.0
1220.4
Analysis
6
The Rooibos Open 2024 (C)
2024/08/24
2024/08/24
West Coast (WCU)
Rapid
35
0.66
5
5
3.0
1268.0
1288.4
Analysis
5
Pedro Booyse Top Schools Championships 2024 (U11)
2024/07/20
2024/07/20
West Coast (WCU)
Standard
60
0.83
5
4
2.5
1245.6
1186.4
Analysis
4
Lambertsbay Youth Open 2024 (Elite)
2024/06/17
2024/06/17
West Coast (WCU)
Rapid
33
0.64
5
5
2.0
1246.1
1295.6
Analysis
3
West Coast & Mykonos Open 2024 (U12)
2024/05/18
2024/05/18
West Coast (WCU)
Standard
60
0.83
5
5
2.0
1200.0
1200.0
Analysis
2
Bo-Weskus Skole Skaak Top Skole 2024 (O9+O11)
2024/05/11
2024/05/11
West Coast (WCU)
Rapid
30
0.60
5
5
3.0
1200.0
1200.0
Analysis
1
Lambersbaai Open 2024 (B)
2024/05/01
2024/05/01
West Coast (WCU)
Rapid
32
0.63
5
5
4.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
35
17
1
17
17.5
50.0
0.0
1277.4
1277.4
White
18
11
1
6
11.5
63.9
118.1
1261.3
1379.3
Black
17
6
0
11
6.0
35.3
-125.0
1294.4
1169.4
Standard
All
15
5
1
9
5.5
36.7
-113.3
1334.7
1221.3
White
8
2
1
5
2.5
31.3
-159.4
1339.0
1179.6
Black
7
3
0
4
3.0
42.9
-60.7
1329.7
1269.0
Rapid
All
20
12
0
8
12.0
60.0
85.0
1234.4
1319.4
White
10
9
0
1
9.0
90.0
340.0
1199.1
1539.1
Black
10
3
0
7
3.0
30.0
-170.0
1269.7
1099.7
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
35
17
1
17
17.5
50.0
0.0
1277.4
1277.4
White
18
11
1
6
11.5
63.9
118.1
1261.3
1379.3
Black
17
6
0
11
6.0
35.3
-125.0
1294.4
1169.4
Standard
All
15
5
1
9
5.5
36.7
-113.3
1334.7
1221.3
White
8
2
1
5
2.5
31.3
-159.4
1339.0
1179.6
Black
7
3
0
4
3.0
42.9
-60.7
1329.7
1269.0
Rapid
All
20
12
0
8
12.0
60.0
85.0
1234.4
1319.4
White
10
9
0
1
9.0
90.0
340.0
1199.1
1539.1
Black
10
3
0
7
3.0
30.0
-170.0
1269.7
1099.7
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
2140134825
Avontuur, A (Al-Meeche)
2
2.0
2
0
0
100.0
1222.8
425.0
1647.8
View list
2
1130303164
Swarts, C (Ciano)
2
2.0
2
0
0
100.0
1234.0
425.0
1659.0
View list
3
1130143130
Valtyn, A (Adan)
2
2.0
2
0
0
100.0
1222.8
425.0
1647.8
View list
4
1090303158
Hugo, B (Benjamin)
2
1.0
1
0
1
50.0
1223.0
0.0
1223.0
View list
5
2130153778
Kujinga, T (Tawanayasha)
2
0.0
0
0
2
0.0
1223.0
-425.0
798.0
View list
6
1130138493
Otto, T (Taylor)
1
1.0
1
0
0
100.0
1268.0
425.0
1693.0
View list
7
1150153167
Fisher, S (Seanen)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
8
1120154550
Engelbrecht, S (Shaquille)
1
1.0
1
0
0
100.0
1246.1
425.0
1671.1
View list
9
1130304927
Horse, T (Tihano)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
10
1130304926
Horse, M (Mikyle)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
11
2120303162
Johnson, M (Melanique)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
12
1140305086
Januarie, J (Johydin)
1
1.0
1
0
0
100.0
1268.0
425.0
1693.0
View list
13
1150303159
Hugo, J (Joseph)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
14
1090303165
Titus, M (Mj)
1
1.0
1
0
0
100.0
1268.0
425.0
1693.0
View list
15
1110303166
Van Rheenen, J (Jaydee)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
16
1140139066
Louw, G (Granville)
1
0.5
0
1
0
50.0
1245.6
0.0
1245.6
View list
17
1130146856
Ruiters, C (Cade)
1
0.0
0
0
1
0.0
1268.0
-425.0
843.0
View list
18
1130136550
Noble, A (Andrew)
1
0.0
0
0
1
0.0
1245.6
-425.0
820.6
View list
19
2130148018
Kotze, M (Maxlin Lee)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
20
1130153125
Klein, G (Geo)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list