Player Page

Van Der Merwe, CF (Christiaan)
Dob: 1987/09/18 (Adult)
Gender: Male
Chess SA id: 187039088
FIDE id:
Region: Mangaung (FMB)
Citizen: RSA
Title(s):
Last active: 2024/08/03 (113 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 rating1373.6
Current Weighted rating1316.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1373.6
Current highest rating achieved1382.7
Current floor (min rating allowed)882.7
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)±129.5
Current Raw change used (final)0.0
Projected new Raw rating1373.6
Projected new Weighed rating1213.8
Projected new Weighted performance1054.5
Projected new final Raw rating (if new WP > new Raw)1373.6
Projected new highest rating1382.7
Projected new floor882.7
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1373.6
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 rating1385.2
Current Weighted rating1321.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1385.2
Current highest rating achieved1385.2
Current floor (min rating allowed)885.2
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)±127.4
Current Raw change used (final)0.0
Projected new Raw rating1385.2
Projected new Weighed rating1218.7
Projected new Weighted performance834.3
Projected new final Raw rating (if new WP > new Raw)1385.2
Projected new highest rating1385.2
Projected new floor885.2
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1385.2
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 rating1291.0
Current Weighted rating1267.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1291.0
Current highest rating achieved1300.0
Current floor (min rating allowed)800.0
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)±145.7
Current Raw change used (final)0.0
Projected new Raw rating1291.0
Projected new Weighed rating1168.0
Projected new Weighted performance424.2
Projected new final Raw rating (if new WP > new Raw)1291.0
Projected new highest rating1300.0
Projected new floor800.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1291.0
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 rating1300.0
Current Weighted rating1269.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)1300.0
Current highest rating achieved1300.0
Current floor (min rating allowed)800.0
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)±143.8
Current Raw change used (final)0.0
Projected new Raw rating1300.0
Projected new Weighed rating1170.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating1300.0
Projected new floor800.0
Projected new K-facor36
Projected new official/published rating (highest between new Raw, new WR and new WP)1300.0
Projected effective change (new Official - current Official)=0.0
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
2 Mangaung Metro Chess 3 August 2024 (A) 2024/08/03 2024/08/03 Mangaung (FMB) Rapid 32 0.63 5 5 2.0 1382.7 1300.0 Analysis
1 10th Piet van Zyl Chess Festival 2024 (A+B) 2024/05/24 2024/05/25 Mangaung (FMB) Standard 90 0.94 5 5 2.5 1318.4 1324.4 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
3 Mangaung Metro Chess 3 August 2024 (A) 2024/08/03 2024/08/03 Mangaung (FMB) Rapid 32 0.63 5 5 2.0 1382.7 1300.0 Analysis
2 10th Piet van Zyl Chess Festival 2024 (A+B) 2024/05/24 2024/05/25 Mangaung (FMB) Standard 90 0.94 5 5 2.5 1318.4 1324.4 Analysis
1 9th Piet van Zyl Chess Festival 2023 (A) 2023/05/26 2023/05/27 Mangaung (FMB) Standard 90 0.94 5 4 1.5 1200.0 1200.0 Analysis
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 10 4 1 5 4.5 45.0 -42.5 1531.2 1488.7
White 6 2 1 3 2.5 41.7 -70.8 1582.7 1511.9
Black 4 2 0 2 2.0 50.0 0.0 1453.8 1453.8
Standard All 5 2 1 2 2.5 50.0 0.0 1653.5 1653.5
White 3 1 1 1 1.5 50.0 0.0 1683.5 1683.5
Black 2 1 0 1 1.0 50.0 0.0 1608.4 1608.4
Rapid All 5 2 0 3 2.0 40.0 -85.0 1408.8 1323.8
White 3 1 0 2 1.0 33.3 -141.7 1481.9 1340.2
Black 2 1 0 1 1.0 50.0 0.0 1299.3 1299.3
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 14 5 2 7 6.0 42.9 -60.7 1542.8 1482.1
White 8 2 2 4 3.0 37.5 -106.3 1546.7 1440.5
Black 6 3 0 3 3.0 50.0 0.0 1537.7 1537.7
Standard All 9 3 2 4 4.0 44.4 -47.2 1617.3 1570.1
White 5 1 2 2 2.0 40.0 -85.0 1585.6 1500.6
Black 4 2 0 2 2.0 50.0 0.0 1656.9 1656.9
Rapid All 5 2 0 3 2.0 40.0 -85.0 1408.8 1323.8
White 3 1 0 2 1.0 33.3 -141.7 1481.9 1340.2
Black 2 1 0 1 1.0 50.0 0.0 1299.3 1299.3
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 102034070 Senatle, K (Kamogelo) 2 1.0 1 0 1 50.0 1350.6 0.0 1350.6 View list
2 1000097969 Tokoyi, R (Romeo) 1 1.0 1 0 0 100.0 1200.0 425.0 1625.0 View list
3 105035097 Smit, A (Albert) 1 1.0 1 0 0 100.0 1318.4 425.0 1743.4 View list
4 1050136744 Pretorius, L (Leighan) 1 1.0 1 0 0 100.0 1382.7 425.0 1807.7 View list
5 1030308346 Rantho, M (Maloisane) 1 1.0 1 0 0 100.0 1382.7 425.0 1807.7 View list
6 178014094 Jikijela, M (Musa) 1 0.5 0 1 0 50.0 1200.0 0.0 1200.0 View list
7 160006655 De Lange, C (Christo) 1 0.5 0 1 0 50.0 1318.4 0.0 1318.4 View list
8 167041476 Venter, TG (Tertius) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
9 1020107617 Ragedi, E (Enos) 1 0.0 0 0 1 0.0 1382.7 -425.0 957.7 View list
10 181002839 Botes, D (Dion) 1 0.0 0 0 1 0.0 1200.0 -425.0 775.0 View list
11 1030305161 Ngakantsi, G (Gosego) 1 0.0 0 0 1 0.0 1382.7 -425.0 957.7 View list
12 103079788 Motsamai, B (Bokang) 1 0.0 0 0 1 0.0 1318.4 -425.0 893.4 View list
13 102023635 Modirwa, O (Ofentse) 1 0.0 0 0 1 0.0 1318.4 -425.0 893.4 View list