Player Page

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
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 rating1603.6
Current Weighted rating1368.0
Current Weighted performance1576.6
Current official/published rating (highest between Raw, WR and WP)1603.6
Current highest rating achieved1603.6
Current floor (min rating allowed)1103.6
Current K-factor28
Games played this month10
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 rating1611.0
Projected new Weighed rating1263.8
Projected new Weighted performance1606.4
Projected new final Raw rating (if new WP > new Raw)1611.0
Projected new highest rating1611.0
Projected new floor1111.0
Projected new K-facor28
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 rating1628.7
Current Weighted rating1376.9
Current Weighted performance1582.9
Current official/published rating (highest between Raw, WR and WP)1628.7
Current highest rating achieved1636.5
Current floor (min rating allowed)1136.5
Current K-factor28
Games played this month10
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 rating1629.5
Projected new Weighed rating1272.2
Projected new Weighted performance1606.4
Projected new final Raw rating (if new WP > new Raw)1629.5
Projected new highest rating1636.5
Projected new floor1136.5
Projected new K-facor28
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
s
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 rating1369.9
Current Weighted rating1277.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1369.9
Current highest rating achieved1369.9
Current floor (min rating allowed)869.9
Current K-factor36
Games played this month0
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 rating1369.9
Projected new Weighed rating1177.6
Projected new Weighted performance927.8
Projected new final Raw rating (if new WP > new Raw)1369.9
Projected new highest rating1369.9
Projected new floor869.9
Projected new K-facor36
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 rating1128.0
Current Weighted rating1146.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1146.7
Current highest rating achieved1200.0
Current floor (min rating allowed)700.0
Current K-factor36
Games played this month0
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 rating1128.0
Projected new Weighed rating1053.6
Projected new Weighted performance291.4
Projected new final Raw rating (if new WP > new Raw)1128.0
Projected new highest rating1200.0
Projected new floor700.0
Projected new K-facor36
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
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
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
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
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
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
12
Game 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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
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