Player Page

Chikwava, R (Ronald)
Dob: 1973/07/26 (Adult)
Gender: Male
Chess SA id: 173004580
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: RSA
Title(s):
Last active: 2024/05/04 (6 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 rating1628.2
Curent Weighted rating1552.6
Curent Weighted performance1612.1
Current official/published rating (highest between Raw, WR and WP)1628.2
Current floor (min rating allowed)1135.8
Current highest rating achieved1635.8
Current K-factor28
Games played this month5
Score (S)0.5
Expected score (We)1.74
Difference (S-We)-1.24
Current Raw change (no limits, including tournament time weight)-28.8
Current min/max change allowed (with limits)±90.1
Current Raw change used (final)-28.8
Projected new Raw rating1599.4
Projected new Weighed rating1556.3
Projected new Weighted performance1612.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1612.1
Projected effective change (new Official - current Official)-16.1
Projected new highest rating1635.8
Projected new floor1135.8
Projected new K-facor28
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 rating1609.2
Curent Weighted rating1536.9
Curent Weighted performance1604.2
Current official/published rating (highest between Raw, WR and WP)1609.2
Current floor (min rating allowed)1121.1
Current highest rating achieved1621.1
Current K-factor28
Games played this month5
Score (S)0.5
Expected score (We)1.60
Difference (S-We)-1.10
Current Raw change (no limits, including tournament time weight)-30.8
Current min/max change allowed (with limits)±92.6
Current Raw change used (final)-30.8
Projected new Raw rating1578.4
Projected new Weighed rating1539.5
Projected new Weighted performance1604.2
Projected new official/published rating (highest between new Raw, new WR and new WP)1604.2
Projected effective change (new Official - current Official)-5.0
Projected new highest rating1621.1
Projected new floor1121.1
Projected new K-facor28
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 rating1617.8
Curent Weighted rating1479.4
Curent Weighted performance1578.1
Current official/published rating (highest between Raw, WR and WP)1617.8
Current floor (min rating allowed)1117.8
Current highest rating achieved1617.8
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)±91.4
Current Raw change used (final)0.0
Projected new Raw rating1617.8
Projected new Weighed rating1490.9
Projected new Weighted performance1578.1
Projected new official/published rating (highest between new Raw, new WR and new WP)1617.8
Projected effective change (new Official - current Official)=0.0
Projected new highest rating1617.8
Projected new floor1117.8
Projected new K-facor28
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 rating1433.6
Curent Weighted rating1446.0
Curent Weighted performance0.0
Current official/published rating (highest between Raw, WR and WP)1446.0
Current floor (min rating allowed)1117.8
Current highest rating achieved1487.0
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)±118.9
Current Raw change used (final)0.0
Projected new Raw rating1433.6
Projected new Weighed rating1444.0
Projected new Weighted performance0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)1444.0
Projected effective change (new Official - current Official)-2.0
Projected new highest rating1487.0
Projected new floor1117.8
Projected new K-facor32
Tournaments
Tournament: JMC Helpmekaar Kollege Tournament 2024 (A)
Start: 2024/05/04  End: 2024/05/04  Host: GJM  Type: Standard   Time: 60  Time weight: 0.83  Rounds: 5
Games: 5  Score: 0.5
Main rating: 1628.2  Rating gain/loss: -28.8
Type rating: 1609.2  Rating gain/loss: -30.8
Analysis
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
10 JMC Helpmekaar Kollege Tournament 2024 (A) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 0.5 1628.2 1609.2 Analysis
9 2024 Milos Ristic Open Chess Tournament (A) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1621.5 1546.8 Analysis
8 2024 KSNG CHess Academy Open Tournament (B) 2024/04/06 2024/04/06 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1621.5 1546.8 Analysis
7 1st Knights Open Tournament 2024 (A) 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1635.8 1523.9 Analysis
6 JNW Open - Classic - Crawford 2024 (B) 2024/03/09 2024/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1635.8 1523.9 Analysis
5 JMC Unika School Tournament 2024 (A) 2024/03/02 2024/03/02 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.0 1635.8 1523.9 Analysis
4 Gear Up Mzansi Rapid 2024 (Expert) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 4 2.5 1549.1 1412.8 Analysis
3 2024 Blou Bul Open Chess Tournament (A) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1549.1 1532.9 Analysis
2 JMC Kick Off Tournament 2024 (A) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1555.6 1532.9 Analysis
1 2024 Tshwane Chess OPEN Registration Tournament (A) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 4 1.5 1555.6 1532.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
34 JMC Helpmekaar Kollege Tournament 2024 (A) 2024/05/04 2024/05/04 Johannesburg Metro (GJM) Standard 60 0.83 5 5 0.5 1628.2 1609.2 Analysis
33 2024 Milos Ristic Open Chess Tournament (A) 2024/04/27 2024/04/27 Tshwane (GTP) Standard 60 0.83 5 5 4.0 1621.5 1546.8 Analysis
32 2024 KSNG CHess Academy Open Tournament (B) 2024/04/06 2024/04/06 Tshwane (GTP) Standard 60 0.83 5 5 2.0 1621.5 1546.8 Analysis
31 1st Knights Open Tournament 2024 (A) 2024/03/23 2024/03/23 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1635.8 1523.9 Analysis
30 JNW Open - Classic - Crawford 2024 (B) 2024/03/09 2024/03/09 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.0 1635.8 1523.9 Analysis
29 JMC Unika School Tournament 2024 (A) 2024/03/02 2024/03/02 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.0 1635.8 1523.9 Analysis
28 Gear Up Mzansi Rapid 2024 (Expert) 2024/02/17 2024/02/17 Johannesburg Metro (GJM) Rapid 35 0.66 5 4 2.5 1549.1 1412.8 Analysis
27 2024 Blou Bul Open Chess Tournament (A) 2024/02/10 2024/02/10 Tshwane (GTP) Standard 60 0.83 5 5 1.5 1549.1 1532.9 Analysis
26 JMC Kick Off Tournament 2024 (A) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1555.6 1532.9 Analysis
25 2024 Tshwane Chess OPEN Registration Tournament (A) 2024/01/27 2024/01/27 Tshwane (GTP) Standard 60 0.83 5 4 1.5 1555.6 1532.9 Analysis
24 Chess Power House Festive Rapid 2023 (B) 2023/12/15 2023/12/15 Johannesburg Metro (GJM) Rapid 20 0.47 6 6 4.5 1494.7 1410.9 Analysis
23 Mzansi Summer Blitz 2023 2023/12/09 2023/12/09 Johannesburg Metro (GJM) Rapid 10 0.29 7 7 3.0 1494.7 1410.9 Analysis
22 Africawide Chess Championship 2023 (Open) 2023/11/03 2023/11/05 Johannesburg Metro (GJM) Standard 90 0.94 7 6 2.5 1510.0 1520.5 Analysis
21 Mzansi Bryanston Rapid 2023 (Advanced) 2023/10/07 2023/10/07 Johannesburg Metro (GJM) Rapid 25 0.54 5 5 2.5 1514.2 1428.5 Analysis
20 Mzansi Spring Rapid 2023 2023/09/02 2023/09/02 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 3.0 1519.2 1448.3 Analysis
19 Chess Power House 2023 (A) 2023/08/19 2023/08/20 Johannesburg Metro (GJM) Standard 90 0.94 5 5 3.0 1470.0 1466.2 Analysis
18 JMC - The Higher Ground Restaurant 2nd Blitz Event 2023 2023/07/30 2023/07/30 Johannesburg Metro (GJM) Blitz 8 0.25 7 7 4.0 1468.3 1455.0 Analysis
17 2023 Lubowski Open Tournament (A) 2023/06/24 2023/06/25 Tshwane (GTP) Standard 90 0.94 5 3 0.0 1495.9 1494.8 Analysis
16 2023 Elize Steenkamp Open Tournament (A) 2023/06/16 2023/06/17 Tshwane (GTP) Standard 90 0.94 6 6 1.5 1495.9 1494.8 Analysis
15 JNW Open - Trinityhouse Little Falls 2023 (A) 2023/05/13 2023/05/13 Johannesburg Metro (GJM) Standard 60 0.83 5 4 0.0 1520.1 1530.1 Analysis
12
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 47 17 7 23 20.5 43.6 -54.3 1660.9 1606.6
White 22 9 4 9 11.0 50.0 0.0 1656.8 1656.8
Black 25 8 3 14 9.5 38.0 -102.0 1664.5 1562.5
Standard All 43 15 6 22 18.0 41.9 -69.2 1621.0 1551.8
White 20 9 3 8 10.5 52.5 21.3 1609.0 1630.3
Black 23 6 3 14 7.5 32.6 -147.8 1631.4 1483.5
Rapid All 4 2 1 1 2.5 62.5 106.3 2090.0 2196.2
White 2 0 1 1 0.5 25.0 -212.5 2134.1 1921.6
Black 2 2 0 0 2.0 100.0 425.0 2045.8 2470.8
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 188 79 18 91 88.0 46.8 -27.1 1553.9 1526.7
White 93 42 10 41 47.0 50.5 4.6 1563.4 1568.0
Black 95 37 8 50 41.0 43.2 -58.2 1544.5 1486.4
Standard All 137 55 14 68 62.0 45.3 -40.3 1562.2 1521.9
White 68 31 7 30 34.5 50.7 6.2 1578.6 1584.9
Black 69 24 7 38 27.5 39.9 -86.2 1546.0 1459.7
Rapid All 35 16 3 16 17.5 50.0 0.0 1545.9 1545.9
White 17 7 2 8 8.0 47.1 -25.0 1519.1 1494.1
Black 18 9 1 8 9.5 52.8 23.6 1571.2 1594.8
Blitz All 16 8 1 7 8.5 53.1 26.6 1499.9 1526.5
White 8 4 1 3 4.5 56.3 53.1 1527.9 1581.0
Black 8 4 0 4 4.0 50.0 0.0 1471.9 1471.9
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 1110098631 Kruger, T (Tobias) 6 4.5 4 1 1 75.0 1589.5 212.5 1802.0 View list
2 102092210 Buba, V (Vukile) 4 1.5 1 1 2 37.5 1595.6 -106.3 1489.4 View list
3 183068085 Magagula, R (Raymond) 3 1.5 1 1 1 50.0 1527.3 0.0 1527.3 View list
4 203010232 Gardiner, N (Noa) 3 1.0 1 0 2 33.3 1581.0 -141.7 1439.4 View list
5 107069948 Jones, W (William) 3 0.5 0 1 2 16.7 1582.2 -283.3 1298.9 View list
6 103022974 Mhango, BF (Banele) 3 0.0 0 0 3 0.0 1568.2 -425.0 1143.2 View list
7 1070132914 Mlambo, I (Ishmael) 3 0.0 0 0 3 0.0 1534.7 -425.0 1109.7 View list
8 208071873 Chinoruma, T (Tawana) 2 2.0 2 0 0 100.0 1503.5 425.0 1928.5 View list
9 1120115958 Bazhko, A (Anton) 2 2.0 2 0 0 100.0 1474.3 425.0 1899.3 View list
10 108073207 Horn, E (Evan) 2 2.0 2 0 0 100.0 1499.8 425.0 1924.8 View list
11 107078828 Johnson, C (Caleb) 2 2.0 2 0 0 100.0 1505.5 425.0 1930.5 View list
12 211085191 Naidoo, K (Kajol) 2 2.0 2 0 0 100.0 1495.6 425.0 1920.6 View list
13 108073208 Steyn, T (Tjaart) 2 2.0 2 0 0 100.0 1481.1 425.0 1906.1 View list
14 1970159378 Chidembo, P (Prince) 2 1.0 1 0 1 50.0 1592.4 0.0 1592.4 View list
15 109069449 Boheim, E (Eugene) 2 1.0 1 0 1 50.0 1521.0 0.0 1521.0 View list
16 1080119822 Elvin, D (David) 2 1.0 1 0 1 50.0 1621.5 0.0 1621.5 View list
17 189038287 Tshetlo, T (Tshepo) 2 1.0 1 0 1 50.0 1541.1 0.0 1541.1 View list
18 150010492 Geyser, J (Johan) 2 0.5 0 1 1 25.0 1540.3 -212.5 1327.8 View list
19 1890115391 Ilenikhena, B (Basil) 2 0.5 0 1 1 25.0 1503.0 -212.5 1290.5 View list
20 206091525 Nel, H (Hayley) 2 0.5 0 1 1 25.0 1525.8 -212.5 1313.3 View list