Player Page

Khosa, A (Alex)
Dob: 2003/07/19 (Adult)
Gender: Male
Chess SA id: 1030140558
FIDE id:
Region: Ngaka Modiri Molema (NNM)
Citizen: RSA
Title(s):
Last active: 2024/08/18 (96 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 rating1527.1
Current Weighted rating1513.7
Current Weighted performance1420.1
Current official/published rating (highest between Raw, WR and WP)1527.1
Current highest rating achieved1583.8
Current floor (min rating allowed)1083.8
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)±104.0
Current Raw change used (final)0.0
Projected new Raw rating1527.1
Projected new Weighed rating1397.1
Projected new Weighted performance1420.1
Projected new final Raw rating (if new WP > new Raw)1527.1
Projected new highest rating1583.8
Projected new floor1083.8
Projected new K-facor32
Projected new official/published rating (highest between new Raw, new WR and new WP)1527.1
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 rating1551.7
Current Weighted rating1535.5
Current Weighted performance1434.6
Current official/published rating (highest between Raw, WR and WP)1551.7
Current highest rating achieved1606.8
Current floor (min rating allowed)1106.8
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)±100.5
Current Raw change used (final)0.0
Projected new Raw rating1551.7
Projected new Weighed rating1417.4
Projected new Weighted performance1434.6
Projected new final Raw rating (if new WP > new Raw)1551.7
Projected new highest rating1606.8
Projected new floor1106.8
Projected new K-facor28
Projected new official/published rating (highest between new Raw, new WR and new WP)1551.7
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 rating1297.2
Current Weighted rating1271.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1297.2
Current highest rating achieved1297.2
Current floor (min rating allowed)797.2
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)±144.4
Current Raw change used (final)0.0
Projected new Raw rating1297.2
Projected new Weighed rating1172.0
Projected new Weighted performance483.9
Projected new final Raw rating (if new WP > new Raw)1297.2
Projected new highest rating1297.2
Projected new floor797.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1297.2
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 rating1200.0
Current Weighted rating1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1200.0
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)±165.8
Current Raw change used (final)0.0
Projected new Raw rating1200.0
Projected new Weighed rating1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
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)1200.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
3 Bojanala's FIDE In The Sparkling Waters 2024 (Prestige) 2024/08/16 2024/08/18 Bojanala Platina (NBR) Standard 120 1.00 6 6 1.0 1576.1 1597.6 Analysis
2 Chess Power House July Open 2024 (A) 2024/07/20 2024/07/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1583.8 1606.8 Analysis
1 JMC Kick Off Tournament 2024 (B) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1546.9 1597.2 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
11 Bojanala's FIDE In The Sparkling Waters 2024 (Prestige) 2024/08/16 2024/08/18 Bojanala Platina (NBR) Standard 120 1.00 6 6 1.0 1576.1 1597.6 Analysis
10 Chess Power House July Open 2024 (A) 2024/07/20 2024/07/20 Johannesburg Metro (GJM) Standard 60 0.83 5 5 2.0 1583.8 1606.8 Analysis
9 JMC Kick Off Tournament 2024 (B) 2024/01/28 2024/01/28 Johannesburg Metro (GJM) Standard 60 0.83 5 5 4.0 1546.9 1597.2 Analysis
8 Chess Power House Festive Rapid 2023 (B) 2023/12/15 2023/12/15 Johannesburg Metro (GJM) Rapid 20 0.47 6 6 4.0 1449.2 1200.0 Analysis
7 2023 USSA Championships (Open) 2023/12/04 2023/12/08 Ethekwini (KED) Standard 120 1.00 9 9 6.0 1449.2 1469.8 Analysis
6 2023 Thomas Lechelele North West Open (Presige) 2023/09/15 2023/09/16 Dr Kenneth Kaunda (NWP) Standard 90 0.94 7 7 5.0 1336.2 1352.8 Analysis
5 Freedom Day Tournament 2023 (Open) 2023/04/29 2023/04/29 Ngaka Modiri Molema (NNM) Standard 60 0.83 5 5 4.0 1300.0 1312.5 Analysis
4 Ekurhuleni Chess Springs Club Open 2022 (B) 2022/09/03 2022/09/03 Ekurhuleni (GE) Standard 60 0.83 5 5 4.0 1277.9 1287.3 Analysis
3 Youth Day Chess 2022 (Open) 2022/06/25 2022/06/25 Ngaka Modiri Molema (NNM) Standard 60 0.83 5 5 3.0 1251.3 1254.2 Analysis
2 Thomas Lechelele NW Open 2022 (A) 2022/05/14 2022/05/15 Ngaka Modiri Molema (NNM) Standard 90 0.94 6 6 3.0 1223.2 1227.2 Analysis
1 Freedom Day Chess Tournament 2022 (Open) 2022/04/30 2022/04/30 Ngaka Modiri Molema (NNM) Standard 60 0.83 5 5 3.0 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 16 7 0 9 7.0 43.8 -53.1 1572.8 1519.7
White 8 4 0 4 4.0 50.0 0.0 1593.0 1593.0
Black 8 3 0 5 3.0 37.5 -106.3 1552.6 1446.4
Standard All 16 7 0 9 7.0 43.8 -53.1 1572.8 1519.7
White 8 4 0 4 4.0 50.0 0.0 1593.0 1593.0
Black 8 3 0 5 3.0 37.5 -106.3 1552.6 1446.4
Rapid 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
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 64 38 2 24 39.0 60.9 93.0 1432.6 1525.6
White 29 18 1 10 18.5 63.8 117.2 1440.4 1557.7
Black 35 20 1 14 20.5 58.6 72.9 1426.1 1499.0
Standard All 58 34 2 22 35.0 60.3 87.9 1425.3 1513.2
White 26 15 1 10 15.5 59.6 81.7 1457.6 1539.3
Black 32 19 1 12 19.5 60.9 93.0 1399.1 1492.1
Rapid All 6 4 0 2 4.0 66.7 141.7 1503.1 1644.8
White 3 3 0 0 3.0 100.0 425.0 1291.9 1716.9
Black 3 1 0 2 1.0 33.3 -141.7 1714.3 1572.6
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 188017699 Lemme, T (Tumelo) 2 1.0 1 0 1 50.0 1237.3 0.0 1237.3 View list
2 198017168 Lata, O (Otshepegile) 2 0.0 0 0 2 0.0 1261.6 -425.0 836.6 View list
3 184016728 Makhosonke, KM (Kuhlase) 2 0.0 0 0 2 0.0 1392.7 -425.0 967.7 View list
4 199045771 Ledwaba, A (Amogelang) 1 1.0 1 0 0 100.0 1277.9 425.0 1702.9 View list
5 175000249 Adamson, LJ (Luke) 1 1.0 1 0 0 100.0 1546.9 425.0 1971.9 View list
6 1000154521 Jabana, P (Phenyo) 1 1.0 1 0 0 100.0 1300.0 425.0 1725.0 View list
7 177011444 Grootboom, EE (Elrich) 1 1.0 1 0 0 100.0 1449.2 425.0 1874.2 View list
8 193010583 Gleeson, ML (Mark) 1 1.0 1 0 0 100.0 1336.2 425.0 1761.2 View list
9 100017074 Landitho, M (Mzwandile) 1 1.0 1 0 0 100.0 1583.8 425.0 2008.8 View list
10 1000105559 Kitaya, JM (Jonathan Mpumpa) 1 1.0 1 0 0 100.0 1449.2 425.0 1874.2 View list
11 2030103754 Khumalo, R (Rethabile) 1 1.0 1 0 0 100.0 1223.2 425.0 1648.2 View list
12 1050191425 Khumalo, B (Bayanda) 1 1.0 1 0 0 100.0 1449.2 425.0 1874.2 View list
13 1110097686 Froom, G (Gabriel) 1 1.0 1 0 0 100.0 1546.9 425.0 1971.9 View list
14 1030146500 Ditsepeng, M (Moteka Reamogetse) 1 1.0 1 0 0 100.0 1277.9 425.0 1702.9 View list
15 182004383 Chakandidano, N (Nhamo) 1 1.0 1 0 0 100.0 1336.2 425.0 1761.2 View list
16 109083250 Byliefeldt, L (Leroux) 1 1.0 1 0 0 100.0 1576.1 425.0 2001.1 View list
17 188072563 Libisi, L (Libisi) 1 1.0 1 0 0 100.0 1336.2 425.0 1761.2 View list
18 1070151800 Maduna, N (Ncese Mcebo) 1 1.0 1 0 0 100.0 1583.8 425.0 2008.8 View list
19 195019303 Mafora, L (Letlhogonolo) 1 1.0 1 0 0 100.0 1223.2 425.0 1648.2 View list
20 1010140560 Makgale, W (William) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list