Player Page

Rishworth, J (Justin)
Dob: 1996/12/03 (Adult)
Gender: Male
Chess SA id: 196032225
FIDE id:
Region: Nelson Mandela Bay (ENM)
Citizen: RSA
Title(s):
Last active: 2024/09/22 (13 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 rating1489.6
Current Weighted rating1507.7
Current Weighted performance1487.6
Current official/published rating (highest between Raw, WR and WP)1507.7
Current highest rating achieved1558.6
Current floor (min rating allowed)1058.6
Current K-factor32
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)±109.8
Current Raw change used (final)0.0
Projected new Raw rating1489.6
Projected new Weighed rating1387.2
Projected new Weighted performance1487.6
Projected new final Raw rating (if new WP > new Raw)1489.6
Projected new highest rating1558.6
Projected new floor1058.6
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1489.6
Projected effective change (new Official - current Official)-18.1
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 rating1482.3
Current Weighted rating1476.1
Current Weighted performance1487.6
Current official/published rating (highest between Raw, WR and WP)1487.6
Current highest rating achieved1552.3
Current floor (min rating allowed)1052.3
Current K-factor32
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)±110.9
Current Raw change used (final)0.0
Projected new Raw rating1482.3
Projected new Weighed rating1359.5
Projected new Weighted performance1487.6
Projected new final Raw rating (if new WP > new Raw)1487.6
Projected new highest rating1552.3
Projected new floor1052.3
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1487.6
Projected effective change (new Official - current Official)=0.0
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 rating1613.8
Current Weighted rating1601.7
Current Weighted performance1497.2
Current official/published rating (highest between Raw, WR and WP)1613.8
Current highest rating achieved1620.0
Current floor (min rating allowed)1120.0
Current K-factor28
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)±92.0
Current Raw change used (final)0.0
Projected new Raw rating1613.8
Projected new Weighed rating1474.9
Projected new Weighted performance1497.2
Projected new final Raw rating (if new WP > new Raw)1613.8
Projected new highest rating1620.0
Projected new floor1120.0
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1613.8
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 rating1871.1
Current Weighted rating1683.3
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1871.1
Current highest rating achieved1871.1
Current floor (min rating allowed)1371.1
Current K-factor24
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)±63.7
Current Raw change used (final)0.0
Projected new Raw rating1871.1
Projected new Weighed rating1558.6
Projected new Weighted performance657.8
Projected new final Raw rating (if new WP > new Raw)1871.1
Projected new highest rating1871.1
Projected new floor1371.1
Projected new K-facor24
Projected new official/published rating (highest between new Raw, new WR and new WP)1871.1
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
15 Mossel Bay Open 2024 (A) 2024/09/21 2024/09/22 Eden (WEG) Standard 90 0.94 6 6 2.5 1478.0 1486.8 Analysis
14 2024 UCC Mind Over Board (A) 2024/08/30 2024/09/01 Nelson Mandela Bay (ENM) Standard 120 1.00 5 5 3.0 1478.0 1486.8 Analysis
13 NMBCU Trial 5 2024 (U20+Open) 2024/08/16 2024/08/17 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 5.0 1459.1 1466.3 Analysis
12 Karen Ashworth 2024 (A) 2024/07/19 2024/07/20 Nelson Mandela Bay (ENM) Standard 62 0.84 6 6 3.5 1558.6 1552.3 Analysis
11 South African Open Chess Championship 2024 (B) 2024/06/29 2024/07/07 Ethekwini (KED) Standard 120 1.00 11 11 4.5 1558.6 1552.3 Analysis
10 Jeffreys Bay Chess Club Challenge 2024 (Open) 2024/06/18 2024/06/18 Sarah Baartman (ESB) Rapid 12 0.33 6 6 4.0 1555.4 1620.0 Analysis
9 Jeffreys Bay CC Rapid Tournament 2024 2024/06/13 2024/06/13 Sarah Baartman (ESB) Rapid 12 0.33 5 5 4.0 1555.4 1620.0 Analysis
8 Fountains Mall 2024 (Open) 2024/05/17 2024/05/18 Sarah Baartman (ESB) Standard 62 0.84 6 5 2.5 1539.1 1536.3 Analysis
7 NMBCU Trial 3 2024 (U20+Open) 2024/05/10 2024/05/11 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1539.1 1536.3 Analysis
6 NMBCU Trials 2 2024 (U20+Open) 2024/04/12 2024/04/13 Nelson Mandela Bay (ENM) Standard 60 0.83 6 4 3.5 1483.2 1455.0 Analysis
5 UCC Strategic Moves 2024 (A) 2024/03/08 2024/03/09 Nelson Mandela Bay (ENM) Standard 65 0.85 5 5 3.0 1477.5 1442.2 Analysis
4 2024 Tshwane Chess AHS Open Chess Tournament (A) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1510.5 1444.1 Analysis
3 2024 Blou Bul Open Chess Tournament (A) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 4 0.5 1510.5 1444.1 Analysis
2 2024 Piet Robbertse Open Chess Tournament (A) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 4 1.0 1510.5 1444.1 Analysis
1 2024 Tshwane Chess OPEN Registration Tournament (A) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 0.5 1542.6 1467.5 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
51 Mossel Bay Open 2024 (A) 2024/09/21 2024/09/22 Eden (WEG) Standard 90 0.94 6 6 2.5 1478.0 1486.8 Analysis
50 2024 UCC Mind Over Board (A) 2024/08/30 2024/09/01 Nelson Mandela Bay (ENM) Standard 120 1.00 5 5 3.0 1478.0 1486.8 Analysis
49 NMBCU Trial 5 2024 (U20+Open) 2024/08/16 2024/08/17 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 5.0 1459.1 1466.3 Analysis
48 Karen Ashworth 2024 (A) 2024/07/19 2024/07/20 Nelson Mandela Bay (ENM) Standard 62 0.84 6 6 3.5 1558.6 1552.3 Analysis
47 South African Open Chess Championship 2024 (B) 2024/06/29 2024/07/07 Ethekwini (KED) Standard 120 1.00 11 11 4.5 1558.6 1552.3 Analysis
46 Jeffreys Bay Chess Club Challenge 2024 (Open) 2024/06/18 2024/06/18 Sarah Baartman (ESB) Rapid 12 0.33 6 6 4.0 1555.4 1620.0 Analysis
45 Jeffreys Bay CC Rapid Tournament 2024 2024/06/13 2024/06/13 Sarah Baartman (ESB) Rapid 12 0.33 5 5 4.0 1555.4 1620.0 Analysis
44 Fountains Mall 2024 (Open) 2024/05/17 2024/05/18 Sarah Baartman (ESB) Standard 62 0.84 6 5 2.5 1539.1 1536.3 Analysis
43 NMBCU Trial 3 2024 (U20+Open) 2024/05/10 2024/05/11 Nelson Mandela Bay (ENM) Standard 60 0.83 6 6 4.0 1539.1 1536.3 Analysis
42 NMBCU Trials 2 2024 (U20+Open) 2024/04/12 2024/04/13 Nelson Mandela Bay (ENM) Standard 60 0.83 6 4 3.5 1483.2 1455.0 Analysis
41 UCC Strategic Moves 2024 (A) 2024/03/08 2024/03/09 Nelson Mandela Bay (ENM) Standard 65 0.85 5 5 3.0 1477.5 1442.2 Analysis
40 2024 Tshwane Chess AHS Open Chess Tournament (A) 2024/02/24 2024/02/24 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1510.5 1444.1 Analysis
39 2024 Blou Bul Open Chess Tournament (A) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 4 0.5 1510.5 1444.1 Analysis
38 2024 Piet Robbertse Open Chess Tournament (A) 2024/02/03 2024/02/04 Tshwane (GTP) Standard 90 0.94 5 4 1.0 1510.5 1444.1 Analysis
37 2024 Tshwane Chess OPEN Registration Tournament (A) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 5 0.5 1542.6 1467.5 Analysis
36 Jeffreys Bay CC Dec Rapid 2 2023 2023/12/07 2023/12/07 Sarah Baartman (ESB) Rapid 12 0.33 5 5 4.0 1524.5 1599.6 Analysis
35 Jeffreys Bay CC December Rapid 1 2023 2023/12/04 2023/12/04 Sarah Baartman (ESB) Rapid 12 0.33 5 5 5.0 1524.5 1599.6 Analysis
34 Jeffreys Bay CC Nov Rapid 3 2023 2023/11/30 2023/11/30 Sarah Baartman (ESB) Rapid 12 0.33 5 5 4.0 1513.2 1601.6 Analysis
33 Jeffreys Bay CC 2nd Rapid NovembeR 2023 2023/11/27 2023/11/27 Sarah Baartman (ESB) Rapid 12 0.33 5 5 5.0 1513.2 1601.6 Analysis
32 Jeffreys Bay CC Nov Rapid 1 2023 2023/11/23 2023/11/23 Sarah Baartman (ESB) Rapid 12 0.33 5 5 3.0 1513.2 1601.6 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 83 39 8 36 43.0 51.8 15.4 1474.3 1489.6
White 41 22 3 16 23.5 57.3 62.2 1448.1 1510.3
Black 42 17 5 20 19.5 46.4 -30.4 1499.8 1469.4
Standard All 72 31 8 33 35.0 48.6 -11.8 1488.8 1477.0
White 36 18 3 15 19.5 54.2 35.4 1468.1 1503.5
Black 36 13 5 18 15.5 43.1 -59.0 1509.5 1450.4
Rapid All 11 8 0 3 8.0 72.7 193.2 1379.3 1572.5
White 5 4 0 1 4.0 80.0 255.0 1304.2 1559.2
Black 6 4 0 2 4.0 66.7 141.7 1441.8 1583.5
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 288 162 30 96 177.0 61.5 97.4 1396.6 1494.0
White 148 85 15 48 92.5 62.5 106.3 1384.2 1490.5
Black 140 77 15 48 84.5 60.4 88.0 1409.7 1497.7
Standard All 170 82 21 67 92.5 54.4 37.5 1409.2 1446.7
White 87 42 10 35 47.0 54.0 34.2 1393.9 1428.1
Black 83 40 11 32 45.5 54.8 41.0 1425.2 1466.2
Rapid All 96 68 7 21 71.5 74.5 208.1 1368.6 1576.7
White 51 38 3 10 39.5 77.5 233.3 1362.1 1595.4
Black 45 30 4 11 32.0 71.1 179.4 1376.0 1555.4
Blitz All 22 12 2 8 13.0 59.1 77.3 1421.6 1498.9
White 10 5 2 3 6.0 60.0 85.0 1413.2 1498.2
Black 12 7 0 5 7.0 58.3 70.8 1428.7 1499.5
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1090134448 Krieger, BCJ (Brian) 10 7.0 7 0 3 70.0 1488.5 170.0 1658.5 View list
2 1990138982 Sibengile, Z (Zolani) 7 7.0 7 0 0 100.0 1468.7 425.0 1893.7 View list
3 1090134449 Salie, R (Riaz) 7 5.5 5 1 1 78.6 1450.1 242.9 1692.9 View list
4 100059129 Moos, X (Xavier) 6 4.0 4 0 2 66.7 1409.4 141.7 1551.1 View list
5 1110111051 Stuurman, P (Pedro) 6 4.0 4 0 2 66.7 1467.5 141.7 1609.2 View list
6 2130133899 Stuurman, C (Caydee) 5 5.0 5 0 0 100.0 1465.1 425.0 1890.1 View list
7 104055277 Peter, M (Mnico) 5 4.5 4 1 0 90.0 1357.0 340.0 1697.0 View list
8 185057028 Persent, G (Gavin) 5 1.5 1 1 3 30.0 1489.8 -170.0 1319.8 View list
9 1070134135 Munemo, T (Tadiwa) 4 2.5 2 1 1 62.5 1505.6 106.3 1611.9 View list
10 105088368 Freeman, V (Vianco) 4 0.5 0 1 3 12.5 1292.5 -318.8 973.8 View list
11 107057083 Lagardien, I (Ismaeel) 4 0.5 0 1 3 12.5 1446.8 -318.8 1128.1 View list
12 180020180 Malgas, GL (Glenwell) 4 0.0 0 0 4 0.0 1241.3 -425.0 816.3 View list
13 182027949 Nkosi, DJ (Dumisa) 4 0.0 0 0 4 0.0 1484.4 -425.0 1059.4 View list
14 1090146775 Barendse, R (Raydon) 3 3.0 3 0 0 100.0 1508.6 425.0 1933.6 View list
15 161050347 Abercrombie, KV (Keith) 3 3.0 3 0 0 100.0 1485.3 425.0 1910.3 View list
16 1080140914 Kanyenze, L (Lincoln) 3 3.0 3 0 0 100.0 1418.1 425.0 1843.1 View list
17 183016418 Krieger, CR (Charles) 3 2.5 2 1 0 83.3 1428.9 283.3 1712.2 View list
18 1020119577 Magxala, T (Talent) 3 2.0 2 0 1 66.7 1520.2 141.7 1661.9 View list
19 206077389 Munyai, M (Mukhethwa) 3 2.0 2 0 1 66.7 1510.3 141.7 1652.0 View list
20 106077397 Tshikosi, M (Mashudu) 3 2.0 2 0 1 66.7 1505.8 141.7 1647.5 View list