Chess South Africa
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Chess South Africa
Davis, JJ (Jan)
Dob:
2009/04/21 (U16)
Gender:
Male
Chess SA id:
109083247
FIDE id:
Region:
Bojanala Platina (NBR)
Citizen:
RSA
Title(s):
Last active:
2019/05/18 (1820 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
1047.7
Curent Weighted rating
1047.7
Curent Weighted performance
394.1
Current official/published rating (highest between Raw, WR and WP)
1047.7
Current floor (min rating allowed)
547.7
Current highest rating achieved
1047.7
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)
±206.0
Current Raw change used (final)
0.0
Projected new Raw rating
1047.7
Projected new Weighed rating
1047.7
Projected new Weighted performance
394.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1047.7
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1047.7
Projected new floor
547.7
Projected new K-facor
40
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
1009.1
Curent Weighted rating
1009.1
Curent Weighted performance
369.4
Current official/published rating (highest between Raw, WR and WP)
1009.1
Current floor (min rating allowed)
509.1
Current highest rating achieved
1009.1
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)
±217.6
Current Raw change used (final)
0.0
Projected new Raw rating
1009.1
Projected new Weighed rating
1009.1
Projected new Weighted performance
369.4
Projected new official/published rating (highest between new Raw, new WR and new WP)
1009.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1009.1
Projected new floor
509.1
Projected new K-facor
40
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
676.4
Curent Weighted rating
676.4
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
676.4
Current floor (min rating allowed)
500.0
Current highest rating achieved
676.4
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)
±349.6
Current Raw change used (final)
0.0
Projected new Raw rating
676.4
Projected new Weighed rating
676.4
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
676.4
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
676.4
Projected new floor
500.0
Projected new K-facor
40
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
541.2
Curent Weighted rating
541.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
541.2
Current floor (min rating allowed)
500.0
Current highest rating achieved
541.2
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)
±423.9
Current Raw change used (final)
0.0
Projected new Raw rating
541.2
Projected new Weighed rating
541.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
541.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
541.2
Projected new floor
500.0
Projected new K-facor
40
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
14
Laerskool Proteapark 2019 (C)
2019/05/18
2019/05/18
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
917.0
904.5
Analysis
13
2019 Super 12 Laerskole (Juniors)
2019/05/04
2019/05/04
Tshwane (GTP)
Rapid
30
0.60
5
5
2.0
917.0
620.8
Analysis
12
Laerskool Vastrap Tournament 2019 (C)
2019/02/23
2019/02/23
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
985.1
962.4
Analysis
11
Rustenburg Noord Primary Tournament 2019 (U12)
2019/02/09
2019/02/09
Bojanala Platina (NBR)
Standard
60
0.83
5
5
2.0
985.1
962.4
Analysis
10
Fields College Open 2019 (U12)
2019/02/02
2019/02/02
Bojanala Platina (NBR)
Standard
60
0.83
5
5
1.5
985.1
962.4
Analysis
9
South African Junior Team Championships 2018 (U10A)
2018/12/16
2018/12/20
4 Knights (4K)
Standard
120
1.00
7
7
2.5
985.9
960.4
Analysis
8
Bojanala Regionals 2018 (U10)
2018/09/15
2018/09/15
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
911.6
887.9
Analysis
7
Lebone II Chess 2018 (U10)
2018/09/01
2018/09/01
Cape Town (WCT)
Standard
60
0.83
5
5
3.0
911.6
887.9
Analysis
6
Laerskool Brits Tournament 2018 (U10)
2018/08/04
2018/08/04
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.5
873.1
758.8
Analysis
5
Laerskool Proteapark Chess 2018 (C)
2018/05/19
2018/05/19
Bojanala Platina (NBR)
Standard
60
0.83
5
5
1.5
743.7
779.6
Analysis
4
2018 Super 12 (Junior)
2018/05/05
2018/05/05
Tshwane (GTP)
Rapid
30
0.60
5
5
3.0
743.7
541.2
Analysis
3
Laerskool Rustenburg 2018 (D)
2018/03/24
2018/03/24
Bojanala Platina (NBR)
Standard
60
0.83
5
5
4.0
681.6
710.4
Analysis
2
Laerskool Rustenburg Noord Primary 2018 (D)
2018/02/24
2018/02/24
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.5
541.2
541.2
Analysis
1
Laerskool Vastrap 2018 (U10)
2018/02/03
2018/02/03
Bojanala Platina (NBR)
Standard
60
0.83
5
5
3.5
541.2
541.2
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
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
Standard
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
Rapid
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
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
72
37
6
29
40.0
55.6
47.2
940.5
987.7
White
36
15
5
16
17.5
48.6
-11.8
947.8
936.0
Black
36
22
1
13
22.5
62.5
106.3
933.2
1039.4
Standard
All
62
32
6
24
35.0
56.5
54.8
915.1
969.9
White
31
12
5
14
14.5
46.8
-27.4
923.8
896.4
Black
31
20
1
10
20.5
66.1
137.1
906.4
1043.5
Rapid
All
10
5
0
5
5.0
50.0
0.0
1097.9
1097.9
White
5
3
0
2
3.0
60.0
85.0
1096.6
1181.6
Black
5
2
0
3
2.0
40.0
-85.0
1099.2
1014.2
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
109075163
Letupu, L (Lemogang)
4
1.0
1
0
3
25.0
813.8
-212.5
601.3
View list
2
109086554
Van Staden, J (Jakobus)
3
3.0
3
0
0
100.0
936.1
425.0
1361.1
View list
3
109075156
Wolmarans, CH (Cornelius)
3
0.5
0
1
2
16.7
698.6
-283.3
415.3
View list
4
109089653
Bredenkamp, G (Gunther)
2
2.0
2
0
0
100.0
796.6
425.0
1221.6
View list
5
109083234
Marx, HB (Heinrich)
2
2.0
2
0
0
100.0
541.2
425.0
966.2
View list
6
110093302
Morkel, DJ (Douglas)
2
2.0
2
0
0
100.0
895.0
425.0
1320.0
View list
7
1080109071
Redelinghuys, A (Alexander)
2
2.0
2
0
0
100.0
951.0
425.0
1376.0
View list
8
210077905
Venter, S (Sune)
2
2.0
2
0
0
100.0
707.2
425.0
1132.2
View list
9
109087730
Molobye, T (Tlotlang)
2
1.5
1
1
0
75.0
948.4
212.5
1160.8
View list
10
110069894
Wilson, CJ (Cj)
2
1.5
1
1
0
75.0
541.2
212.5
753.7
View list
11
209088228
Combrink, ZA (Zenadine)
2
1.0
1
0
1
50.0
892.4
0.0
892.4
View list
12
109089650
Kleynhans, EH (Eldrich)
2
1.0
1
0
1
50.0
911.6
0.0
911.6
View list
13
108076459
Molefinyane, O (Otlotleng)
2
1.0
1
0
1
50.0
833.4
0.0
833.4
View list
14
1040110367
Makwakwa, T (Tshedimogo)
1
1.0
1
0
0
100.0
985.1
425.0
1410.1
View list
15
109093330
Krugel, L (Lian)
1
1.0
1
0
0
100.0
985.9
425.0
1410.9
View list
16
109083772
De Beer, W (Wian)
1
1.0
1
0
0
100.0
681.6
425.0
1106.6
View list
17
1110097777
Britz, JD (Jakobus)
1
1.0
1
0
0
100.0
985.1
425.0
1410.1
View list
18
109076051
Jordaan, D (Donovan)
1
1.0
1
0
0
100.0
911.6
425.0
1336.6
View list
19
211093260
Jansen Van Vuuren, M (Mari)
1
1.0
1
0
0
100.0
917.0
425.0
1342.0
View list
20
210087760
Jansen Van Vuuren, L (Lourein)
1
1.0
1
0
0
100.0
917.0
425.0
1342.0
View list