Player Page

Chikwava, R (Ronald)
Dob: 1973/07/26 (Adult)
Gender: Male
Chess SA id: 173004580
FIDE id:
Region: Johannesburg Metro (GJM)
Citizen: FID
Title(s):
Last active: 2024/09/29 (5 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 rating1682.4
Current Weighted rating1586.9
Current Weighted performance1669.7
Current official/published rating (highest between Raw, WR and WP)1682.4
Current highest rating achieved1682.4
Current floor (min rating allowed)1182.4
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)±83.4
Current Raw change used (final)0.0
Projected new Raw rating1682.4
Projected new Weighed rating1461.2
Projected new Weighted performance1669.7
Projected new final Raw rating (if new WP > new Raw)1682.4
Projected new highest rating1682.4
Projected new floor1182.4
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1682.4
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 rating1694.0
Current Weighted rating1576.4
Current Weighted performance1666.6
Current official/published rating (highest between Raw, WR and WP)1694.0
Current highest rating achieved1694.0
Current floor (min rating allowed)1194.0
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)±82.0
Current Raw change used (final)0.0
Projected new Raw rating1694.0
Projected new Weighed rating1451.3
Projected new Weighted performance1666.6
Projected new final Raw rating (if new WP > new Raw)1694.0
Projected new highest rating1694.0
Projected new floor1194.0
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1694.0
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 rating1606.9
Current Weighted rating1530.1
Current Weighted performance1630.4
Current official/published rating (highest between Raw, WR and WP)1630.4
Current highest rating achieved1617.8
Current floor (min rating allowed)1117.8
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)±92.9
Current Raw change used (final)0.0
Projected new Raw rating1606.9
Projected new Weighed rating1410.1
Projected new Weighted performance1630.4
Projected new final Raw rating (if new WP > new Raw)1630.4
Projected new highest rating1630.4
Projected new floor1130.4
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1630.4
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 rating1407.7
Current Weighted rating1431.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1431.8
Current highest rating achieved1487.0
Current floor (min rating allowed)987.0
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)±123.3
Current Raw change used (final)0.0
Projected new Raw rating1407.7
Projected new Weighed rating1316.3
Projected new Weighted performance1127.9
Projected new final Raw rating (if new WP > new Raw)1407.7
Projected new highest rating1487.0
Projected new floor987.0
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1407.7
Projected effective change (new Official - current Official)-24.1
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
21 2024 Moja Chess Extravaganza (B) 2024/09/25 2024/09/29 Frances Baard (NCF) Standard 120 1.00 9 9 6.0 1608.0 1612.5 Analysis
20 Mzansi Spring Open 2024 (Expert) 2024/09/07 2024/09/07 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1608.0 1612.5 Analysis
19 JCC Khelo India 1st Annual Chess Tournament 2024 (A) 2024/08/31 2024/08/31 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1608.0 1612.5 Analysis
18 JMC Closed 2024 (A) 2024/08/09 2024/08/11 Johannesburg Metro (GJM) Standard 90 0.94 5 5 0.0 1659.3 1665.7 Analysis
17 JNW Rapid - Helpmekaar Kollege 2024 2024/07/28 2024/07/28 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 4.0 1679.1 1617.8 Analysis
16 JMC Trinityhouse Randpark Ridge 2024 (A) 2024/07/13 2024/07/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1679.1 1680.4 Analysis
15 South African Open Chess Championship 2024 (Blitz) 2024/07/04 2024/07/04 Ethekwini (KED) Blitz 5 0.18 11 10 5.0 1679.1 1433.6 Analysis
14 South African Open Chess Championship 2024 (A) 2024/06/29 2024/07/07 Ethekwini (KED) Standard 120 1.00 11 11 5.5 1679.1 1680.4 Analysis
13 2024 Elise Steenkamp Open Chess Tournament (Kings) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1611.4 1616.4 Analysis
12 Chess Power House May Open 2024 (A) 2024/05/25 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.5 1628.2 1609.2 Analysis
11 JMC Crawford International Sandton 2024 (A) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.0 1628.2 1609.2 Analysis
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
12
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
45 2024 Moja Chess Extravaganza (B) 2024/09/25 2024/09/29 Frances Baard (NCF) Standard 120 1.00 9 9 6.0 1608.0 1612.5 Analysis
44 Mzansi Spring Open 2024 (Expert) 2024/09/07 2024/09/07 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1608.0 1612.5 Analysis
43 JCC Khelo India 1st Annual Chess Tournament 2024 (A) 2024/08/31 2024/08/31 Johannesburg Metro (GJM) Standard 60 0.83 5 5 3.5 1608.0 1612.5 Analysis
42 JMC Closed 2024 (A) 2024/08/09 2024/08/11 Johannesburg Metro (GJM) Standard 90 0.94 5 5 0.0 1659.3 1665.7 Analysis
41 JNW Rapid - Helpmekaar Kollege 2024 2024/07/28 2024/07/28 Johannesburg Metro (GJM) Rapid 15 0.39 7 7 4.0 1679.1 1617.8 Analysis
40 JMC Trinityhouse Randpark Ridge 2024 (A) 2024/07/13 2024/07/13 Johannesburg Metro (GJM) Standard 60 0.83 5 5 1.5 1679.1 1680.4 Analysis
39 South African Open Chess Championship 2024 (Blitz) 2024/07/04 2024/07/04 Ethekwini (KED) Blitz 5 0.18 11 10 5.0 1679.1 1433.6 Analysis
38 South African Open Chess Championship 2024 (A) 2024/06/29 2024/07/07 Ethekwini (KED) Standard 120 1.00 11 11 5.5 1679.1 1680.4 Analysis
37 2024 Elise Steenkamp Open Chess Tournament (Kings) 2024/06/15 2024/06/17 Tshwane (GTP) Standard 90 0.94 7 7 4.0 1611.4 1616.4 Analysis
36 Chess Power House May Open 2024 (A) 2024/05/25 2024/05/25 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.5 1628.2 1609.2 Analysis
35 JMC Crawford International Sandton 2024 (A) 2024/05/11 2024/05/11 Johannesburg Metro (GJM) Standard 60 0.83 5 4 1.0 1628.2 1609.2 Analysis
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
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 119 46 17 56 54.5 45.8 -35.7 1683.4 1647.7
White 58 25 8 25 29.0 50.0 0.0 1689.8 1689.8
Black 61 21 9 31 25.5 41.8 -69.7 1677.3 1607.6
Standard All 98 35 16 47 43.0 43.9 -52.0 1671.3 1619.3
White 48 20 7 21 23.5 49.0 -8.9 1676.0 1667.2
Black 50 15 9 26 19.5 39.0 -93.5 1666.8 1573.3
Rapid All 11 6 1 4 6.5 59.1 77.3 1831.1 1908.3
White 5 3 1 1 3.5 70.0 170.0 1734.2 1904.2
Black 6 3 0 3 3.0 50.0 0.0 1911.8 1911.8
Blitz All 10 5 0 5 5.0 50.0 0.0 1639.3 1639.3
White 5 2 0 3 2.0 40.0 -85.0 1777.5 1692.5
Black 5 3 0 2 3.0 60.0 85.0 1501.1 1586.1
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 260 108 28 124 122.0 46.9 -26.2 1593.8 1567.6
White 129 58 14 57 65.0 50.4 3.3 1604.3 1607.6
Black 131 50 14 67 57.0 43.5 -55.2 1583.4 1528.3
Standard All 192 75 24 93 87.0 45.3 -39.8 1604.7 1564.9
White 96 42 11 43 47.5 49.5 -4.4 1621.0 1616.6
Black 96 33 13 50 39.5 41.1 -75.3 1588.4 1513.2
Rapid All 42 20 3 19 21.5 51.2 10.1 1568.8 1578.9
White 20 10 2 8 11.0 55.0 42.5 1511.4 1553.9
Black 22 10 1 11 10.5 47.7 -19.3 1620.9 1601.6
Blitz All 26 13 1 12 13.5 51.9 16.3 1553.5 1569.9
White 13 6 1 6 6.5 50.0 0.0 1623.9 1623.9
Black 13 7 0 6 7.0 53.8 32.7 1483.1 1515.8
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 111092701 Deysel, K (Kaleb) 5 3.5 3 1 1 70.0 1640.6 170.0 1810.6 View list
3 102092210 Buba, V (Vukile) 5 2.5 2 1 2 50.0 1598.1 0.0 1598.1 View list
4 1970159378 Chidembo, P (Prince) 4 1.0 1 0 3 25.0 1601.1 -212.5 1388.6 View list
5 107069948 Jones, W (William) 4 0.5 0 1 3 12.5 1601.5 -318.8 1282.8 View list
6 183068085 Magagula, R (Raymond) 3 1.5 1 1 1 50.0 1527.3 0.0 1527.3 View list
7 203010232 Gardiner, N (Noa) 3 1.0 1 0 2 33.3 1581.0 -141.7 1439.4 View list
8 100080989 Nsibande, B (Bonisani) 3 1.0 1 0 2 33.3 1595.8 -141.7 1454.1 View list
9 206091525 Nel, H (Hayley) 3 0.5 0 1 2 16.7 1570.3 -283.3 1286.9 View list
10 101015487 Khumalo, KB (Keith) 3 0.0 0 0 3 0.0 1617.8 -425.0 1192.8 View list
11 103022974 Mhango, BF (Banele) 3 0.0 0 0 3 0.0 1568.2 -425.0 1143.2 View list
12 1070132914 Mlambo, I (Ishmael) 3 0.0 0 0 3 0.0 1534.7 -425.0 1109.7 View list
13 191043337 Xulu, L (Lindokuhle) 3 0.0 0 0 3 0.0 1593.9 -425.0 1168.9 View list
14 208071873 Chinoruma, T (Tawana) 2 2.0 2 0 0 100.0 1503.5 425.0 1928.5 View list
15 1120115958 Bazhko, A (Anton) 2 2.0 2 0 0 100.0 1474.3 425.0 1899.3 View list
16 108073207 Horn, E (Evan) 2 2.0 2 0 0 100.0 1499.8 425.0 1924.8 View list
17 107078828 Johnson, C (Caleb) 2 2.0 2 0 0 100.0 1505.5 425.0 1930.5 View list
18 1000111963 Makwana, A (Adolf) 2 2.0 2 0 0 100.0 1544.2 425.0 1969.2 View list
19 211085191 Naidoo, K (Kajol) 2 2.0 2 0 0 100.0 1495.6 425.0 1920.6 View list
20 108073208 Steyn, T (Tjaart) 2 2.0 2 0 0 100.0 1481.1 425.0 1906.1 View list