Chess South Africa
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Chess South Africa
Koorts, L (Lukas)
Dob:
2017/02/03 (U8)
Gender:
Male
Chess SA id:
1170155747
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/06/08 (15 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
1603.6
Current Weighted rating
1368.0
Current Weighted performance
1576.6
Current official/published rating (highest between Raw, WR and WP)
1603.6
Current highest rating achieved
1603.6
Current floor (min rating allowed)
1103.6
Current K-factor
28
Games played this month
10
Score (S)
8.0
Expected score (We)
7.68
Difference (S-We)
0.27
Current Raw change (no limits, including tournament time weight)
7.4
Current min/max change allowed (with limits)
±93.3
Current Raw change used (final)
7.4
Projected new Raw rating
1611.0
Projected new Weighed rating
1263.8
Projected new Weighted performance
1606.4
Projected new final Raw rating (if new WP > new Raw)
1611.0
Projected new highest rating
1611.0
Projected new floor
1111.0
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1611.0
Projected effective change (new Official - current Official)
+7.4
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
1628.7
Current Weighted rating
1376.9
Current Weighted performance
1582.9
Current official/published rating (highest between Raw, WR and WP)
1628.7
Current highest rating achieved
1636.5
Current floor (min rating allowed)
1136.5
Current K-factor
28
Games played this month
10
Score (S)
8.0
Expected score (We)
7.97
Difference (S-We)
0.03
Current Raw change (no limits, including tournament time weight)
0.8
Current min/max change allowed (with limits)
±90.0
Current Raw change used (final)
0.8
Projected new Raw rating
1629.5
Projected new Weighed rating
1272.2
Projected new Weighted performance
1606.4
Projected new final Raw rating (if new WP > new Raw)
1629.5
Projected new highest rating
1636.5
Projected new floor
1136.5
Projected new K-facor
28
Projected new official/published rating (highest between new Raw, new WR and new WP)
1629.5
Projected effective change (new Official - current Official)
+0.8
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
1369.9
Current Weighted rating
1277.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1369.9
Current highest rating achieved
1369.9
Current floor (min rating allowed)
869.9
Current K-factor
36
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)
±130.2
Current Raw change used (final)
0.0
Projected new Raw rating
1369.9
Projected new Weighed rating
1177.6
Projected new Weighted performance
927.8
Projected new final Raw rating (if new WP > new Raw)
1369.9
Projected new highest rating
1369.9
Projected new floor
869.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1369.9
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
1128.0
Current Weighted rating
1146.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1146.7
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)
±183.7
Current Raw change used (final)
0.0
Projected new Raw rating
1128.0
Projected new Weighed rating
1053.6
Projected new Weighted performance
291.4
Projected new final Raw rating (if new WP > new Raw)
1128.0
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)
1128.0
Projected effective change (new Official - current Official)
-18.7
Tournaments
History
Tournament:
FIDE in the West 2024 (U10)
Start:
2024/06/08
End:
2024/06/08
Host:
GWR
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1603.6
Rating gain/loss:
5.6
Type rating:
1628.7
Rating gain/loss:
2.5
Analysis
Tournament:
JMC Trinityhouse Little Falls 2024 (U10)
Start:
2024/06/02
End:
2024/06/02
Host:
GJM
Type:
Standard
Time:
60
Time weight:
0.83
Rounds:
5
Games:
5
Score:
4.0
Main rating:
1603.6
Rating gain/loss:
1.9
Type rating:
1628.7
Rating gain/loss:
-1.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
12
FIDE in the West 2024 (U10)
2024/06/08
2024/06/08
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1603.6
1628.7
Analysis
11
JMC Trinityhouse Little Falls 2024 (U10)
2024/06/02
2024/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1603.6
1628.7
Analysis
10
JMC Crawford International Sandton 2024 (U10)
2024/05/11
2024/05/11
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1602.2
1636.5
Analysis
9
JMC Helpmekaar Kollege Tournament 2024 (U8)
2024/05/04
2024/05/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
5.0
1602.2
1636.5
Analysis
8
Bojanala Olienpark's One For The Ages 2024 (Big Pawns)
2024/04/20
2024/04/20
Bojanala Platina (NBR)
Standard
60
0.83
5
5
5.0
1585.7
1628.4
Analysis
7
2024 West Rand RHS Open (U8)
2024/04/13
2024/04/13
West Rand (GWR)
Standard
60
0.83
7
6
6.0
1585.7
1628.4
Analysis
6
CPH St Andrew's Rapid 2024 (D)
2024/03/30
2024/03/30
Ekurhuleni (GE)
Rapid
20
0.47
5
5
5.0
1512.5
1291.4
Analysis
5
JNW Open - Classic - Crawford 2024 (U8)
2024/03/09
2024/03/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
5.0
1512.5
1507.2
Analysis
4
JMC Unika School Tournament 2024
2024/03/02
2024/03/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
5.0
1512.5
1507.2
Analysis
3
2024 Tshwane Chess AHS Open Chess Tournament (E)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1447.0
1436.1
Analysis
2
JMC Kick Off Tournament 2024 (U8)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
5.0
1312.9
1308.1
Analysis
1
2024 Gauteng Inter-Region Chess Championship (U8)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
4.0
1312.9
1308.1
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
21
FIDE in the West 2024 (U10)
2024/06/08
2024/06/08
West Rand (GWR)
Standard
60
0.83
5
5
4.0
1603.6
1628.7
Analysis
20
JMC Trinityhouse Little Falls 2024 (U10)
2024/06/02
2024/06/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
4.0
1603.6
1628.7
Analysis
19
JMC Crawford International Sandton 2024 (U10)
2024/05/11
2024/05/11
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
3.5
1602.2
1636.5
Analysis
18
JMC Helpmekaar Kollege Tournament 2024 (U8)
2024/05/04
2024/05/04
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
5.0
1602.2
1636.5
Analysis
17
Bojanala Olienpark's One For The Ages 2024 (Big Pawns)
2024/04/20
2024/04/20
Bojanala Platina (NBR)
Standard
60
0.83
5
5
5.0
1585.7
1628.4
Analysis
16
2024 West Rand RHS Open (U8)
2024/04/13
2024/04/13
West Rand (GWR)
Standard
60
0.83
7
6
6.0
1585.7
1628.4
Analysis
15
CPH St Andrew's Rapid 2024 (D)
2024/03/30
2024/03/30
Ekurhuleni (GE)
Rapid
20
0.47
5
5
5.0
1512.5
1291.4
Analysis
14
JNW Open - Classic - Crawford 2024 (U8)
2024/03/09
2024/03/09
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
5.0
1512.5
1507.2
Analysis
13
JMC Unika School Tournament 2024
2024/03/02
2024/03/02
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
5.0
1512.5
1507.2
Analysis
12
2024 Tshwane Chess AHS Open Chess Tournament (E)
2024/02/24
2024/02/24
Tshwane (GTP)
Standard
60
0.83
5
5
4.5
1447.0
1436.1
Analysis
11
JMC Kick Off Tournament 2024 (U8)
2024/01/28
2024/01/28
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
5.0
1312.9
1308.1
Analysis
10
2024 Gauteng Inter-Region Chess Championship (U8)
2024/01/13
2024/01/14
Tshwane (GTP)
Standard
90
0.94
5
4
4.0
1312.9
1308.1
Analysis
9
4th Knight Riders Junior Open 2023 (U8)
2023/09/16
2023/09/16
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.0
1303.4
1356.0
Analysis
8
2023 U8 Open Chess Tournament
2023/09/02
2023/09/02
Tshwane (GTP)
Rapid
30
0.60
5
5
5.0
1303.4
1200.0
Analysis
7
Chess Power House 2023 (D)
2023/08/19
2023/08/19
Johannesburg Metro (GJM)
Standard
90
0.94
5
5
3.0
1241.1
1268.0
Analysis
6
JMC Closed Aug 2023 (U8)
2023/08/04
2023/08/06
Johannesburg Metro (GJM)
Standard
90
0.94
6
6
4.0
1241.1
1268.0
Analysis
5
JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
2023/07/30
2023/07/30
Johannesburg Metro (GJM)
Blitz
8
0.25
7
6
1.0
1204.8
1200.0
Analysis
4
2023 Menlo Open Tournament (F)
2023/07/22
2023/07/22
Tshwane (GTP)
Standard
60
0.83
5
5
4.0
1204.8
1206.8
Analysis
3
JNW Open - Trinityhouse Little Falls 2023 (U8)
2023/06/24
2023/06/24
Johannesburg Metro (GJM)
Standard
60
0.83
5
5
2.5
1184.8
1181.6
Analysis
2
Wynie Robbertse Open Tournament 2023 (F)
2023/06/03
2023/06/03
Tshwane (GTP)
Standard
60
0.83
5
5
3.0
1184.8
1181.6
Analysis
1
2
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
60
55
2
3
56.0
93.3
368.3
1260.9
1629.2
White
32
30
0
2
30.0
93.8
371.9
1272.0
1643.9
Black
28
25
2
1
26.0
92.9
364.3
1248.2
1612.5
Standard
All
55
50
2
3
51.0
92.7
363.2
1263.1
1626.3
White
30
28
0
2
28.0
93.3
368.3
1276.8
1645.1
Black
25
22
2
1
23.0
92.0
357.0
1246.6
1603.6
Rapid
All
5
5
0
0
5.0
100.0
425.0
1236.7
1661.7
White
2
2
0
0
2.0
100.0
425.0
1200.0
1625.0
Black
3
3
0
0
3.0
100.0
425.0
1261.2
1686.2
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
106
79
6
21
82.0
77.4
232.5
1248.1
1480.6
White
56
42
2
12
43.0
76.8
227.7
1251.0
1478.7
Black
50
37
4
9
39.0
78.0
238.0
1244.8
1482.8
Standard
All
90
68
6
16
71.0
78.9
245.6
1249.9
1495.5
White
49
38
2
9
39.0
79.6
251.5
1254.3
1505.8
Black
41
30
4
7
32.0
78.0
238.4
1244.7
1483.1
Rapid
All
10
10
0
0
10.0
100.0
425.0
1219.3
1644.3
White
4
4
0
0
4.0
100.0
425.0
1200.0
1625.0
Black
6
6
0
0
6.0
100.0
425.0
1232.1
1657.1
Blitz
All
6
1
0
5
1.0
16.7
-283.3
1268.5
985.2
White
3
0
0
3
0.0
0.0
-425.0
1265.3
840.3
Black
3
1
0
2
1.0
33.3
-141.7
1271.7
1130.1
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1170147325
Stelloh, A (Alexander)
7
6.5
6
1
0
92.9
1382.7
364.3
1747.0
View list
2
1170134515
Deysel, Z (Zachariah)
4
4.0
4
0
0
100.0
1485.0
425.0
1910.0
View list
3
2170151830
Malemane, A (Atlehang Faith)
4
3.0
3
0
1
75.0
1428.6
212.5
1641.1
View list
4
1160151828
Du Pisani, M (Malcom)
4
3.0
2
2
0
75.0
1389.0
212.5
1601.5
View list
5
1170157327
Bekker, J (Jacobus)
3
3.0
3
0
0
100.0
1475.9
425.0
1900.9
View list
6
1170157329
Roberts, M (Marthinus)
3
2.0
2
0
1
66.7
1234.2
141.7
1375.8
View list
7
1180147825
Conradie, D (David)
3
1.0
1
0
2
33.3
1208.6
-141.7
1067.0
View list
8
1160152489
Taylor, M (Matthew)
3
0.5
0
1
2
16.7
1369.0
-283.3
1085.7
View list
9
1160148708
Venter, J (Jaco)
2
2.0
2
0
0
100.0
1421.7
425.0
1846.7
View list
10
1160158552
Lin, Y (Yizheng)
2
1.0
1
0
1
50.0
1408.0
0.0
1408.0
View list
11
1160137420
Badat, M (Mikaeel)
2
0.0
0
0
2
0.0
1241.1
-425.0
816.1
View list
12
1160157331
Steyn, K (Kian)
2
0.0
0
0
2
0.0
1404.2
-425.0
979.2
View list
13
1160156845
Edwards, L (Luke)
1
1.0
1
0
0
100.0
1312.9
425.0
1737.9
View list
14
1170300281
Dennison, O (Odin)
1
1.0
1
0
0
100.0
1512.5
425.0
1937.5
View list
15
2170191456
Diphoko, P (Pelonomi)
1
1.0
1
0
0
100.0
1585.7
425.0
2010.7
View list
16
1180300701
Dikane, L (Leano)
1
1.0
1
0
0
100.0
1585.7
425.0
2010.7
View list
17
1160301378
Carapinha, T (Tomas)
1
1.0
1
0
0
100.0
1512.5
425.0
1937.5
View list
18
1180157343
Burgers, Y (Yaqeen)
1
1.0
1
0
0
100.0
1303.4
425.0
1728.4
View list
19
1170145156
Botha, E (Erasmus Albertus)
1
1.0
1
0
0
100.0
1585.7
425.0
2010.7
View list
20
1150149223
Botha, AZ (Adriaan Zander)
1
1.0
1
0
0
100.0
1603.6
425.0
2028.6
View list