Player Page

Bothma, J (Jaculene)
Dob: 2010/12/10 (U16)
Gender: Female
Chess SA id: 2100097359
FIDE id:
Region: Ekurhuleni (GE)
Citizen: RSA
Title(s):
Last active: 2024/05/01 (10 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
Curent Raw rating1429.6
Curent Weighted rating1409.4
Curent Weighted performance1369.5
Current official/published rating (highest between Raw, WR and WP)1429.6
Current floor (min rating allowed)987.2
Current highest rating achieved1487.2
Current K-factor32
Games played this month9
Score (S)4.0
Expected score (We)4.68
Difference (S-We)-0.68
Current Raw change (no limits, including tournament time weight)-21.8
Current min/max change allowed (with limits)±119.6
Current Raw change used (final)-21.8
Projected new Raw rating1407.8
Projected new Weighed rating1409.6
Projected new Weighted performance1369.5
Projected new official/published rating (highest between new Raw, new WR and new WP)1409.6
Projected effective change (new Official - current Official)-20.0
Projected new highest rating1487.2
Projected new floor987.2
Projected new K-facor32
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 rating1445.6
Curent Weighted rating1431.7
Curent Weighted performance1379.0
Current official/published rating (highest between Raw, WR and WP)1445.6
Current floor (min rating allowed)999.0
Current highest rating achieved1499.0
Current K-factor32
Games played this month9
Score (S)4.0
Expected score (We)4.86
Difference (S-We)-0.86
Current Raw change (no limits, including tournament time weight)-27.5
Current min/max change allowed (with limits)±116.9
Current Raw change used (final)-27.5
Projected new Raw rating1418.1
Projected new Weighed rating1431.7
Projected new Weighted performance1379.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1431.7
Projected effective change (new Official - current Official)-13.9
Projected new highest rating1499.0
Projected new floor999.0
Projected new K-facor32
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 rating1258.3
Curent Weighted rating1240.8
Curent Weighted performance1169.4
Current official/published rating (highest between Raw, WR and WP)1258.3
Current floor (min rating allowed)760.4
Current highest rating achieved1260.4
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)±152.6
Current Raw change used (final)0.0
Projected new Raw rating1258.3
Projected new Weighed rating1241.6
Projected new Weighted performance1169.4
Projected new official/published rating (highest between new Raw, new WR and new WP)1258.3
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1260.4
Projected new floor760.4
Projected new K-facor36
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 rating1200.0
Curent Weighted rating1200.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1200.0
Current floor (min rating allowed)760.4
Current highest rating achieved1200.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1200.0
Projected new Weighted performance
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
Projected new highest rating1200.0
Projected new floor760.4
Projected new K-facor36
Tournaments
Tournament: South African Junior Closed Chess Championship 2024 (U14 Girls)
Start: 2024/04/27  End: 2024/05/01  Host: GE  Type: Standard   Time: 120  Time weight: 1.00  Rounds: 9
Games: 9  Score: 4.0
Main rating: 1429.6  Rating gain/loss: -21.8
Type rating: 1445.6  Rating gain/loss: -27.5
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 South African Junior Closed Chess Championship 2024 (U14 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 4.0 1429.6 1445.6 Analysis
3 Westwood Open 2024 (A) 2024/04/13 2024/04/13 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1466.8 1499.0 Analysis
2 Benoni High Schools Cluster Individuals 2024 (U15 Girls) 2024/03/16 2024/03/16 Ekurhuleni (GE) Rapid 45 0.74 5 5 4.5 1442.4 1193.5 Analysis
1 2024 Gauteng Inter-Region Chess Championship (U14 Girls) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 4.0 1386.2 1432.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
63 South African Junior Closed Chess Championship 2024 (U14 Girls) 2024/04/27 2024/05/01 Ekurhuleni (GE) Standard 120 1.00 9 9 4.0 1429.6 1445.6 Analysis
62 Westwood Open 2024 (A) 2024/04/13 2024/04/13 Ekurhuleni (GE) Standard 60 0.83 5 5 2.0 1466.8 1499.0 Analysis
61 Benoni High Schools Cluster Individuals 2024 (U15 Girls) 2024/03/16 2024/03/16 Ekurhuleni (GE) Rapid 45 0.74 5 5 4.5 1442.4 1193.5 Analysis
60 2024 Gauteng Inter-Region Chess Championship (U14 Girls) 2024/01/13 2024/01/14 Tshwane (GTP) Standard 90 0.94 5 4 4.0 1386.2 1432.5 Analysis
59 Ekurhuleni North Chess Club 2023 (B) 2023/12/09 2023/12/09 Ekurhuleni (GE) Rapid 30 0.60 7 6 2.0 1420.8 1253.6 Analysis
58 Gauteng Soncini Finals 2023 (Girls) 2023/10/28 2023/10/28 Ekurhuleni (GE) Rapid 20 0.47 5 5 3.0 1416.9 1259.7 Analysis
57 2023 Gauteng Top Schools (U13 Girls) 2023/08/18 2023/08/18 West Rand (GWR) Standard 60 0.83 5 5 3.0 1419.8 1429.2 Analysis
56 2023 Ekurhuleni North District Schools Finals (U13) 2023/07/29 2023/07/29 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1393.1 1413.7 Analysis
55 Gauteng Schools Individual Finals 2023 (U13 Girls) 2023/05/26 2023/05/26 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1290.3 1285.9 Analysis
54 Gauteng Open Arnold Classic 2023 (U16) 2023/05/19 2023/05/19 Tshwane (GTP) Rapid 30 0.60 5 5 3.0 1290.3 1260.4 Analysis
53 Ekurhuleni North Schools Individual Finals 2023 (U13 Girls) 2023/05/12 2023/05/12 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1290.3 1285.9 Analysis
52 Ekurhuleni Trials 2 2023 (U14) 2023/04/22 2023/04/22 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1335.1 1330.7 Analysis
51 2023 South African Junior Closed Chess Championships (U14 Girls) 2023/03/31 2023/04/04 Chess South Africa (CSA) Standard 120 1.00 9 8 3.0 1335.1 1330.7 Analysis
50 Ekhuruleni Chess Trials 1 2023 (U14) 2023/03/25 2023/03/25 Ekurhuleni (GE) Standard 60 0.83 5 5 3.0 1341.8 1339.7 Analysis
49 Ekurhuleni Springs Open 4 March 2023 (C) 2023/03/04 2023/03/04 Ekurhuleni (GE) Standard 62 0.84 5 5 2.0 1341.8 1339.7 Analysis
48 2022 South African Junior Wild Card Chess Championships (U14 Girls) 2022/12/09 2022/12/12 4 Knights (4K) Standard 120 1.00 7 6 3.0 1456.8 1455.0 Analysis
47 2022 South African Junior Team Chess Championships (U14-U18 Girls) 2022/12/04 2022/12/08 4 Knights (4K) Standard 120 1.00 7 6 0.0 1456.8 1455.0 Analysis
46 ACB Tournament 2022 (A) 2022/10/07 2022/10/08 Ekurhuleni (GE) Standard 90 0.94 5 5 2.0 1487.2 1487.3 Analysis
45 2022 Gauteng Schools Team Championships (U13 Girls) 2022/08/27 2022/08/27 Tshwane (GTP) Standard 60 0.83 5 5 5.0 1382.8 1371.1 Analysis
44 Ekurhuleni-North Schools Teams 2022 (U13 Girls) 2022/08/20 2022/08/20 Ekurhuleni (GE) Standard 60 0.83 5 5 3.5 1382.8 1371.1 Analysis
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Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 23 14 1 8 14.5 63.0 110.9 1346.1 1457.0
White 10 6 0 4 6.0 60.0 85.0 1354.0 1439.0
Black 13 8 1 4 8.5 65.4 130.8 1340.0 1470.8
Standard All 18 10 0 8 10.0 55.6 47.2 1368.5 1415.7
White 8 4 0 4 4.0 50.0 0.0 1388.1 1388.1
Black 10 6 0 4 6.0 60.0 85.0 1352.9 1437.9
Rapid All 5 4 1 0 4.5 90.0 340.0 1265.4 1605.4
White 2 2 0 0 2.0 100.0 425.0 1217.8 1642.8
Black 3 2 1 0 2.5 83.3 283.3 1297.1 1580.5
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 323 135 12 176 141.0 43.7 -53.9 1221.8 1167.9
White 165 67 3 95 68.5 41.5 -72.1 1222.3 1150.2
Black 158 68 9 81 72.5 45.9 -35.0 1221.4 1186.4
Standard All 297 119 10 168 124.0 41.8 -70.1 1217.3 1147.1
White 153 57 3 93 58.5 38.2 -100.0 1222.1 1122.1
Black 144 62 7 75 65.5 45.5 -38.4 1212.1 1173.7
Rapid All 26 16 2 8 17.0 65.4 130.8 1274.2 1404.9
White 12 10 0 2 10.0 83.3 283.3 1223.9 1507.3
Black 14 6 2 6 7.0 50.0 0.0 1317.2 1317.2
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 idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 210088032 De Vasconcelos, T (Tiaana) 9 1.0 1 0 8 11.1 1215.7 -330.6 885.2 View list
2 210095050 Netshimbupfe, Y (Yoanda) 8 1.0 1 0 7 12.5 1083.0 -318.8 764.3 View list
3 209083780 Grootboom, C (Chante) 5 1.5 1 1 3 30.0 1353.4 -170.0 1183.4 View list
4 2100101517 Lovett, S (Saffron) 4 1.0 1 0 3 25.0 1058.0 -212.5 845.5 View list
5 210088596 Louw, N (Nova) 3 3.0 3 0 0 100.0 1308.1 425.0 1733.1 View list
6 1100106522 Van Der Merwe, J (Juan) 3 3.0 3 0 0 100.0 978.7 425.0 1403.7 View list
7 210095078 Minnaar, R (Rochelle) 3 2.5 2 1 0 83.3 1317.9 283.3 1601.3 View list
8 2110130015 Botha, C (Cathri Amari) 3 2.0 2 0 1 66.7 1176.0 141.7 1317.7 View list
9 2100107820 Labuschagne, M (Melindie) 3 2.0 2 0 1 66.7 1153.1 141.7 1294.8 View list
10 2100133964 Marais, J (Janike) 3 2.0 2 0 1 66.7 1123.9 141.7 1265.6 View list
11 210093902 Nickols, C (Christi) 3 1.5 1 1 1 50.0 983.8 0.0 983.8 View list
12 109084256 Hattingh, T (Tiaan) 3 1.0 1 0 2 33.3 1285.9 -141.7 1144.3 View list
13 2100109361 Pillay, K (Ketana) 3 1.0 1 0 2 33.3 1339.6 -141.7 1197.9 View list
14 210075201 Williams, A (Anika) 3 1.0 1 0 2 33.3 1241.3 -141.7 1099.6 View list
15 2090135221 Monteiro Correia, M (Maya) 3 0.5 0 1 2 16.7 1311.4 -283.3 1028.1 View list
16 110095048 Gibbens, A (Allan) 3 0.0 0 0 3 0.0 945.8 -425.0 520.8 View list
17 1100098187 Greeff, A (Andries) 3 0.0 0 0 3 0.0 1330.8 -425.0 905.8 View list
18 210086545 Steyn, A (Amelia) 3 0.0 0 0 3 0.0 1325.3 -425.0 900.3 View list
19 1110118672 Le Roux, R (Roland) 2 2.0 2 0 0 100.0 1303.6 425.0 1728.6 View list
20 1120109194 Liebenberg, WS (William Stephen) 2 2.0 2 0 0 100.0 987.5 425.0 1412.5 View list