Player Page

Klaasen, CJ (Calvin)
Dob: 1987/05/16 (Adult)
Gender: Male
Chess SA id: 187015737
FIDE id:
Region: Cape Town (WCT)
Citizen: RSA
Title(s): FM
Last active: 2024/04/20 (61 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 rating2204.8
Current Weighted rating2183.2
Current Weighted performance1971.8
Current official/published rating (highest between Raw, WR and WP)2204.8
Current highest rating achieved2264.2
Current floor (min rating allowed)1764.2
Current K-factor16
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)±39.6
Current Raw change used (final)0.0
Projected new Raw rating2204.8
Projected new Weighed rating2008.6
Projected new Weighted performance1971.8
Projected new final Raw rating (if new WP > new Raw)2204.8
Projected new highest rating2264.2
Projected new floor1764.2
Projected new K-facor16
Projected new official/published rating (highest between new Raw, new WR and new WP)2204.8
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 rating2234.9
Current Weighted rating2204.9
Current Weighted performance2026.7
Current official/published rating (highest between Raw, WR and WP)2234.9
Current highest rating achieved2273.0
Current floor (min rating allowed)1773.0
Current K-factor16
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)±38.0
Current Raw change used (final)0.0
Projected new Raw rating2234.9
Projected new Weighed rating2028.9
Projected new Weighted performance2026.7
Projected new final Raw rating (if new WP > new Raw)2234.9
Projected new highest rating2273.0
Projected new floor1773.0
Projected new K-facor16
Projected new official/published rating (highest between new Raw, new WR and new WP)2234.9
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 rating2179.6
Current Weighted rating2198.8
Current Weighted performance1474.8
Current official/published rating (highest between Raw, WR and WP)2198.8
Current highest rating achieved2260.8
Current floor (min rating allowed)1760.8
Current K-factor16
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)±41.1
Current Raw change used (final)0.0
Projected new Raw rating2179.6
Projected new Weighed rating2022.1
Projected new Weighted performance1474.8
Projected new final Raw rating (if new WP > new Raw)2179.6
Projected new highest rating2260.8
Projected new floor1760.8
Projected new K-facor16
Projected new official/published rating (highest between new Raw, new WR and new WP)2179.6
Projected effective change (new Official - current Official)-19.2
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 rating2191.7
Current Weighted rating2212.3
Current Weighted performance1134.1
Current official/published rating (highest between Raw, WR and WP)2212.3
Current highest rating achieved2259.7
Current floor (min rating allowed)1759.7
Current K-factor16
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)±40.4
Current Raw change used (final)0.0
Projected new Raw rating2191.7
Projected new Weighed rating2035.0
Projected new Weighted performance1134.1
Projected new final Raw rating (if new WP > new Raw)2191.7
Projected new highest rating2259.7
Projected new floor1759.7
Projected new K-facor16
Projected new official/published rating (highest between new Raw, new WR and new WP)2191.7
Projected effective change (new Official - current Official)-20.6
Tournaments
Did not participate this month.
#TournamentStartEndHostTypeTimeWeightRnsGmsScrMainTypeAnalysis
4 Hermanus Chess Club Open 2024 (Championship) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 4.5 2204.8 2192.4 Analysis
3 South African Closed Chess Championship 2024 (Open) 2024/03/25 2024/04/02 Cape Town (WCT) Standard 150 1.00 11 11 5.5 2204.8 2230.1 Analysis
2 Steinitz Club Team Blitz Championship 2024 2024/02/15 2024/02/15 Cape Town (WCT) Blitz 5 0.18 7 7 4.5 2208.8 2221.1 Analysis
1 Cape Town Masters Challenge 2024 (Masters) 2024/01/03 2024/01/07 Cape Town (WCT) Standard 120 1.00 9 9 6.0 2209.5 2228.9 Analysis
#TournamentStartEndHostTypeTimeWeightRoundsGamesScoreMainTypeAnalysis
49 Hermanus Chess Club Open 2024 (Championship) 2024/04/20 2024/04/20 Overberg (WOS) Rapid 20 0.47 7 7 4.5 2204.8 2192.4 Analysis
48 South African Closed Chess Championship 2024 (Open) 2024/03/25 2024/04/02 Cape Town (WCT) Standard 150 1.00 11 11 5.5 2204.8 2230.1 Analysis
47 Steinitz Club Team Blitz Championship 2024 2024/02/15 2024/02/15 Cape Town (WCT) Blitz 5 0.18 7 7 4.5 2208.8 2221.1 Analysis
46 Cape Town Masters Challenge 2024 (Masters) 2024/01/03 2024/01/07 Cape Town (WCT) Standard 120 1.00 9 9 6.0 2209.5 2228.9 Analysis
45 2023 Moja Chess Extravaganza (Prestige) 2023/09/30 2023/10/04 Frances Baard (NCF) Standard 120 1.00 9 9 5.0 2162.9 2188.5 Analysis
44 CW Top Schools 2023 (Advanced) 2023/08/11 2023/08/13 West Coast (WCU) Standard 90 0.94 6 6 5.0 2170.1 2198.0 Analysis
43 WP Club League 2023 (A) 2023/07/29 2023/09/09 Cape Town (WCT) Standard 120 1.00 11 10 6.5 2162.4 2190.3 Analysis
42 GPCA Rapid 2023 (Championship) 2023/06/24 2023/06/24 Cape Town (WCT) Rapid 25 0.54 7 7 3.5 2189.4 2230.6 Analysis
41 CKC InvitationalĀ Masters 2023 2023/06/09 2023/06/11 Cape Town (WCT) Standard 120 1.00 5 5 2.5 2189.4 2198.0 Analysis
40 2023 African Individual Chess Championship 2023/05/06 2023/05/13 Egypt (EGY) Standard 150 1.00 9 9 5.0 2178.2 2188.4 Analysis
39 Cape Town Open 2023 (Championship) 2023/03/24 2023/03/26 Cape Town (WCT) Standard 90 0.94 6 6 4.5 2185.3 2195.0 Analysis
38 Cape Town Masters Challenge 2023 (IM Norm) 2023/01/04 2023/01/08 Cape Town (WCT) Standard 120 1.00 9 9 4.0 2187.7 2197.2 Analysis
37 Western Cape Club Championship 2022 (Tier 1) 2022/10/07 2022/10/09 Cape Town (WCT) Standard 65 0.85 6 5 4.0 2189.1 2197.8 Analysis
36 2022 Western Province Club League (Premier) 2022/08/20 2022/10/01 Cape Town (WCT) Standard 120 1.00 11 10 7.5 2189.1 2197.8 Analysis
35 South African Open 2022 (Championship) 2022/07/09 2022/07/17 Cape Town (WCT) Standard 120 1.00 11 11 8.0 2211.5 2221.3 Analysis
34 2022 South African Closed Chess Championships (Open) 2022/05/07 2022/05/14 Chess South Africa (CSA) Standard 150 1.00 9 8 3.5 2226.7 2237.9 Analysis
33 2022 Zone 4.5 Individual Chess Championships 2022/03/06 2022/03/12 Lesotho (LES) Standard 150 1.00 9 9 7.0 2198.4 2211.3 Analysis
32 WP Open 2021 (Championship) 2021/05/08 2021/05/09 Cape Town (WCT) Standard 70 0.87 6 6 5.0 2194.4 2207.1 Analysis
31 2020 Western Province Open (Championship) 2020/03/07 2020/03/08 Cape Town (WCT) Standard 70 0.87 6 6 4.5 2197.0 2209.8 Analysis
30 2020 Cape Of Good Hope Open (Elite) 2020/02/21 2020/02/23 Cape Town (WCT) Standard 70 0.87 6 6 4.5 2198.3 2212.4 Analysis
123
Game History
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 34 13 15 6 20.5 60.3 87.5 2056.0 2143.5
White 17 9 7 1 12.5 73.5 200.0 2081.8 2281.8
Black 17 4 8 5 8.0 47.1 -25.0 2030.3 2005.3
Standard All 20 6 11 3 11.5 57.5 63.7 2155.6 2219.3
White 10 3 6 1 6.0 60.0 85.0 2157.9 2242.9
Black 10 3 5 2 5.5 55.0 42.5 2153.3 2195.8
Rapid All 7 4 1 2 4.5 64.3 121.4 1985.8 2107.2
White 3 3 0 0 3.0 100.0 425.0 2097.4 2522.4
Black 4 1 1 2 1.5 37.5 -106.3 1902.1 1795.9
Blitz All 7 3 3 1 4.5 64.3 121.4 1841.8 1963.2
White 4 3 1 0 3.5 87.5 318.8 1879.7 2198.5
Black 3 0 2 1 1.0 33.3 -141.7 1791.1 1649.5
Colour Games Wins Draws Losses Score % Dp Aor Perform
Main All 393 198 118 77 257.0 65.4 130.9 2038.4 2169.3
White 201 108 62 31 139.0 69.2 162.8 2037.3 2200.1
Black 192 90 56 46 118.0 61.5 97.4 2039.6 2137.0
Standard All 284 130 100 54 180.0 63.4 113.7 2081.5 2195.2
White 146 69 54 23 96.0 65.8 133.9 2076.4 2210.3
Black 138 61 46 31 84.0 60.9 92.4 2086.8 2179.2
Rapid All 60 40 9 11 44.5 74.2 205.4 1878.7 2084.1
White 31 23 3 5 24.5 79.0 246.8 1889.0 2135.8
Black 29 17 6 6 20.0 69.0 161.2 1867.7 2028.9
Blitz All 49 28 9 12 32.5 66.3 138.8 1984.6 2123.3
White 24 16 5 3 18.5 77.1 230.2 1990.9 2221.1
Black 25 12 4 9 14.0 56.0 51.0 1978.5 2029.5
Top 20 opponents most often played
#Chess SA idNameGamesScoreWinsDrawsLosses%AorDpPerformView
1 173015955 Kobese, AKW (Watu) 19 8.5 5 7 7 44.7 2219.4 -44.7 2174.7 View list
2 190013568 James, M (Michael) 12 7.5 6 3 3 62.5 2240.9 106.3 2347.2 View list
3 100001446 Barrish, D (Daniel) 11 5.5 2 7 2 50.0 2216.7 0.0 2216.7 View list
4 187042911 Willenberg, CG (Craig) 9 5.5 5 1 3 61.1 2227.0 94.4 2321.4 View list
5 163002189 Bhawoodien, SH (Shabier) 7 4.0 3 2 2 57.1 2233.0 60.7 2293.7 View list
6 182004314 Cawdery, DJ (Daniel) 7 2.5 0 5 2 35.7 2226.5 -121.4 2105.1 View list
7 184032995 Salimu, R (Reuben) 6 5.0 4 2 0 83.3 2223.3 283.3 2506.7 View list
8 173003226 Bouah, LJ (Lyndon) 6 4.5 4 1 1 75.0 2216.6 212.5 2429.1 View list
9 153006799 De Villiers, CCA (Charles) 5 5.0 5 0 0 100.0 2251.9 425.0 2676.9 View list
10 184042918 Willenberg, KS (Kenneth) 5 5.0 5 0 0 100.0 2225.7 425.0 2650.7 View list
11 197076467 Mncwabe, M (Minenhle Junior) 5 4.5 4 1 0 90.0 2232.3 340.0 2572.3 View list
12 194015801 Kleinsmidt, CC (Cherwin) 5 3.5 3 1 1 70.0 2214.5 170.0 2384.5 View list
13 182009037 Erlank, WK (Warrick) 5 3.0 2 2 1 60.0 2245.1 85.0 2330.1 View list
14 1050108039 Mnyasta, C (Charlton) 5 2.5 2 1 2 50.0 2201.4 0.0 2201.4 View list
15 102010594 Gluckman, P (Paul) 5 2.0 1 2 2 40.0 2243.6 -85.0 2158.6 View list
16 189035994 Steel, HR (Henry) 5 1.0 0 2 3 20.0 2220.4 -255.0 1965.4 View list
17 190001208 Baloyi, XSM (Xikombi) 4 4.0 4 0 0 100.0 2254.0 425.0 2679.0 View list
18 192001584 Baxter, DJ (David) 4 4.0 4 0 0 100.0 2253.0 425.0 2678.0 View list
19 100000340 Agulhas, K (Keegan) 4 4.0 4 0 0 100.0 2239.7 425.0 2664.7 View list
20 107053637 Palmer, RN (Reegan) 4 3.5 3 1 0 87.5 2199.0 318.8 2517.7 View list