Chess South Africa Ratings Database

PLAYER PAGE

Personal

Jantjies, K (Keaton)

Chess SA id

199013955

FIDE id

Date of birth

1999-03-22 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1341.2	1272.8	1248.8	1210.4
Raw rating	1341.2	1272.8	1248.8	1209.9
Weighted rating	1300.5	1254.2	1223.5	1210.4
Weighted performance	1223.9	0	0	1087
Floor	841.2	772.8	748.8	761.6
K-factor	36	36	36	36
Min/Max rating change allowed	135.6	149.5	154.7	163.5
Highest rating	1350.6 2024-05-01	1272.8 2024-12-01	1248.8 2025-06-01	1458.5 2024-05-01
Highest raw rating	1341.2 2025-06-01	1272.8 2024-12-01	1248.8 2025-06-01	1261.6 2024-06-01
Highest weighted rating	1287.2 2025-08-01	1247.4 2025-08-01	1217.2 2025-08-01	1261.6 2024-07-01
Highest weighted performance	1350.6 2024-05-01	1235.8 2024-06-01	1200 2024-02-01	1458.5 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0.2
New rating	1341.2	1272.8	1248.8	1210.5
Analysis
Rating	1341.2	1272.8	1248.8	1210.4
Raw rating	1341.2	1272.8	1248.8	1209.9
Weighted rating	1300.5	1254.2	1223.5
Weighted performance	1223.9	0	0
K-factor	36	36	36	36
Floor	841.2	772.8	748.8	761.6
Max/Min rating change allowed	135.6	149.5	154.7	163.5
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1341.2	1272.8	1248.8	1209.9
New weighted rating	1306.4	1257.1	1226.3	1210.5
New weighted performance	1223.5	0	0	1086.6
Temp new rating	1341.2	1272.8	1248.8	1210.5
Temp new rating +/-	0	0	0	0.2
Final new rating +/-	0	0	0	0.2
New rating	1341.2	1272.8	1248.8	1210.5
New K-factor	36	36	36	36
New floor	841.2	772.8	748.8	761.6

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	20	0	12	8
	67	15	0	52
	5	5	0	0
	0	0	0	0
	0	0	0	0
History	212	105	47	60

Games since
	Main 87	Standard 15		Rapid 12		Blitz 60
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	2771		884		243
Male	2229		661		181
Adult	553		153		37
Adult Male	509		137		35
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	428		161		66
Male	395		152		63
Adult	246		99		41
Adult Male	236		95		40


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	20	7	35	-127.5	1519.4	1391.9
Standard	0	0	0	0	0	0
Rapid	12	5	41.67	-70.8	1490.9	1420
Blitz	8	2	25	-212.5	1562.3	1349.8
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	92	39.5	42.93	-60.1	1424	1364
Standard	20	9.5	47.5	-21.2	1332.5	1311.2
Rapid	12	5	41.67	-70.8	1490.9	1420
Blitz	60	25	41.67	-70.8	1441.2	1370.4

Date	Main	Standard	Rapid	Blitz
2025-09-30	1341.2	1272.8	1248.8	1209.9
2025-09-01	1341.2	1272.8	1248.8	1209.9
2025-08-01	1341.2	1272.8	1248.8	1209.9
2025-07-01	1341.2	1272.8	1248.8	1209.5
2025-06-01	1341.2	1272.8	1248.8	1207.9
2025-05-01	1330	1272.8	1237.2	1220.6
2025-04-01	1330	1272.8	1237.2	1220.6
2025-03-01	1330	1272.8	1237.2	1220.6
2025-02-01	1313.8	1272.8	1197.5	1220.6
2025-01-01	1313.8	1272.8	1197.5	1220.6
2024-12-01	1313.8	1272.8	1197.5	1220.6
2024-11-01	1266.3	1227.8	1197.5	1186
2024-10-01	1256.7	1227.8	1197.5	1182.8
2024-09-01	1233.7	1220.2	1197.5	1173.4
2024-08-01	1233.7	1220.2	1197.5	1173.4
2024-07-01	1235.6	1220.2	1197.5	1261.6
2024-06-01	1213.8	1192.5	1197.5	1261.6
2024-08-01	1192.4	1192.5	1197.5	1197.5
2024-04-01	1192.4	1192.5	1197.5	1197.5
2024-03-01	1192.4	1192.5	1197.5	1197.5
2024-02-01	1192.4	1192.5	1197.5	1197.5
2024-01-01	1192.4	1192.5	1197.5	1197.5
2023-12-01	1192.4	1192.5	1197.5	1197.5
2023-11-01	1192.4	1192.5	1197.5	1197.5

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	InterClub Blitz 2 2025	2025-05-08	2025-05-08	Blitz	Eden (WEG)	10	8	2	Yes	Analysis
2	Southern Knights Rapid 2025 (Open)	2025-05-03	2025-05-03	Rapid	Eden (WEG)	7	6	1.5	Yes	Analysis
3	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	InterClub Blitz 2 2025	2025-05-08	2025-05-08	Blitz	Eden (WEG)	10	8	2	Yes	Analysis
2	Southern Knights Rapid 2025 (Open)	2025-05-03	2025-05-03	Rapid	Eden (WEG)	7	6	1.5	Yes	Analysis
3	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	6	3.5	Yes	Analysis
4	Eden Closed 2024 (Men)	2024-11-23	2024-11-24	Standard	Eden (WEG)	5	5	2	Yes	Analysis
5	Eden Gambit Chess Tournament 2024 (Blitz)	2024-11-01	2024-11-01	Blitz	Eden (WEG)	7	7	3	Yes	Analysis
6	InterClub Blitz 5 2024	2024-10-07	2024-10-07	Blitz	Eden (WEG)	6	6	2.5	Yes	Analysis
7	Mossel Bay Open 2024 (A)	2024-09-21	2024-09-22	Standard	Eden (WEG)	6	5	1	Yes	Analysis
8	Mosselbay Chess Club Blitz 2024	2024-09-20	2024-09-20	Blitz	Eden (WEG)	9	8	2.5	Yes	Analysis
9	InterClub Blitz 4 2024	2024-09-04	2024-09-04	Blitz	Eden (WEG)	10	8	2.5	Yes	Analysis
10	Eden Blitz 2024	2024-08-30	2024-08-30	Blitz	Eden (WEG)	9	9	5.5	Yes	Analysis
11	InterClub Blitz 3 Open 2024	2024-07-18	2024-07-18	Blitz	Eden (WEG)	10	8	2	Yes	Analysis
12	Eden Open 2024 (B)	2024-06-22	2024-06-22	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
13	InterClub Blitz 2 2024	2024-05-16	2024-05-16	Blitz	Eden (WEG)	10	6	5	Yes	Analysis
14	George Chess Club Winter Open 2023 (B)	2023-05-20	2023-05-20	Standard	Eden (WEG)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament InterClub Blitz 2 2024				Tournament Eden Open 2024
		date 2024-05-16	rnd 3	type Blitz	result 1	date 2024-06-22	rnd 2	type Standard	result 1
		Opponent Wheymann, L (Laurenzo)				Opponent Harris, E (Emerique)
2	4	Tournament Eden Blitz 2024				Tournament InterClub Blitz 4 2024
		date 2024-08-30	rnd 8	type Blitz	result 0.5	date 2024-09-04	rnd 2	type Blitz	result 0.5
		Opponent Meyer, PJ (Pravin)				Opponent Van Der Ross, M (Marcque)
3	4	Tournament Eden Blitz 2024				Tournament Eden Blitz 2024
		date 2024-08-30	rnd 3	type Blitz	result 1	date 2024-08-30	rnd 6	type Blitz	result 1
		Opponent Sampson, E (Eejay)				Opponent Cloete, R (Ralph)

#	Games	Start				End
1	3	Tournament George Chess Club Winter Open 2023				Tournament George Chess Club Winter Open 2023
		date 2023-05-20	rnd 2	type Standard	result 1	date 2023-05-20	rnd 4	type Standard	result 1
		Opponent Fourie, J (Janco)				Opponent Thoresen, K (Kyle)
2	2	Tournament Eden Open 2024				Tournament Eden Open 2024
		date 2024-06-22	rnd 4	type Standard	result 1	date 2024-06-22	rnd 5	type Standard	result 1
		Opponent Jama, L (Lutho)				Opponent Daniels, K (Keanu)
3	2	Tournament Eden Open 2024				Tournament Eden Open 2024
		date 2024-06-22	rnd 1	type Standard	result 0.5	date 2024-06-22	rnd 2	type Standard	result 1
		Opponent Groenewald, A (Anwille)				Opponent Harris, E (Emerique)

#	Games	Start				End
1	2	Tournament Southern Knights Rapid 2025				Tournament Southern Knights Rapid 2025
		date 2025-05-03	rnd 5	type Rapid	result 1	date 2025-05-03	rnd 6	type Rapid	result 0.5
		Opponent Cloete, R (Ralph)				Opponent Coleman, A (Anthony)
2	2	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Smith, E (Evert)				Opponent Gilbert, C (Calray)
3	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 3	type Rapid	result 1	date 2025-02-23	rnd 3	type Rapid	result 1
		Opponent Swarts, S (Shaquille)				Opponent Swarts, S (Shaquille)

#	Games	Start				End
1	4	Tournament Eden Blitz 2024				Tournament InterClub Blitz 4 2024
		date 2024-08-30	rnd 8	type Blitz	result 0.5	date 2024-09-04	rnd 2	type Blitz	result 0.5
		Opponent Meyer, PJ (Pravin)				Opponent Van Der Ross, M (Marcque)
2	4	Tournament Eden Blitz 2024				Tournament Eden Blitz 2024
		date 2024-08-30	rnd 3	type Blitz	result 1	date 2024-08-30	rnd 6	type Blitz	result 1
		Opponent Sampson, E (Eejay)				Opponent Cloete, R (Ralph)
3	4	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 2 2024
		date 2024-05-16	rnd 3	type Blitz	result 1	date 2024-05-16	rnd 8	type Blitz	result 1
		Opponent Wheymann, L (Laurenzo)				Opponent Gilbert, C (Calray)

#	Games	Start				End
1	4	Tournament Eden Blitz 2024				Tournament Eden Blitz 2024
		date 2024-08-30	rnd 3	type Blitz	result 1	date 2024-08-30	rnd 6	type Blitz	result 1
		Opponent Sampson, E (Eejay)				Opponent Cloete, R (Ralph)
2	4	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 2 2024
		date 2024-05-16	rnd 3	type Blitz	result 1	date 2024-05-16	rnd 8	type Blitz	result 1
		Opponent Wheymann, L (Laurenzo)				Opponent Gilbert, C (Calray)
3	3	Tournament Eden Gambit Chess Tournament 2024				Tournament Eden Gambit Chess Tournament 2024
		date 2024-11-01	rnd 4	type Blitz	result 1	date 2024-11-01	rnd 6	type Blitz	result 1
		Opponent Bezuidenhout, Z (Zane)				Opponent Fensham, F (Frederik)

#	Games	Start				End
1	3	Tournament George Chess Club Winter Open 2023				Tournament George Chess Club Winter Open 2023
		date 2023-05-20	rnd 2	type Standard	result 1	date 2023-05-20	rnd 4	type Standard	result 1
		Opponent Fourie, J (Janco)				Opponent Thoresen, K (Kyle)
2	2	Tournament Eden Open 2024				Tournament Eden Open 2024
		date 2024-06-22	rnd 4	type Standard	result 1	date 2024-06-22	rnd 5	type Standard	result 1
		Opponent Jama, L (Lutho)				Opponent Daniels, K (Keanu)
3	1	Tournament Eden Closed 2024				Tournament Eden Closed 2024
		date 2024-11-24	rnd 4	type Standard	result 1	date 2024-11-24	rnd 4	type Standard	result 1
		Opponent Kiewiet, M (Marvin)				Opponent Kiewiet, M (Marvin)

#	Games	Start				End
1	2	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Smith, E (Evert)				Opponent Gilbert, C (Calray)
2	1	Tournament Southern Knights Rapid 2025				Tournament Southern Knights Rapid 2025
		date 2025-05-03	rnd 5	type Rapid	result 1	date 2025-05-03	rnd 5	type Rapid	result 1
		Opponent Cloete, R (Ralph)				Opponent Cloete, R (Ralph)
3	1	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 3	type Rapid	result 1	date 2025-02-23	rnd 3	type Rapid	result 1
		Opponent Swarts, S (Shaquille)				Opponent Swarts, S (Shaquille)

#	Games	Start				End
1	4	Tournament Eden Blitz 2024				Tournament Eden Blitz 2024
		date 2024-08-30	rnd 3	type Blitz	result 1	date 2024-08-30	rnd 6	type Blitz	result 1
		Opponent Sampson, E (Eejay)				Opponent Cloete, R (Ralph)
2	4	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 2 2024
		date 2024-05-16	rnd 3	type Blitz	result 1	date 2024-05-16	rnd 8	type Blitz	result 1
		Opponent Wheymann, L (Laurenzo)				Opponent Gilbert, C (Calray)
3	3	Tournament Eden Gambit Chess Tournament 2024				Tournament Eden Gambit Chess Tournament 2024
		date 2024-11-01	rnd 4	type Blitz	result 1	date 2024-11-01	rnd 6	type Blitz	result 1
		Opponent Bezuidenhout, Z (Zane)				Opponent Fensham, F (Frederik)

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Daniels ,R (Reuben)	6	1	-283.3	2	1	0	1	0	-425	3	0	-425
1	Daniels ,R (Reuben)	6	1573.2	1289.9	2	1536.9	1573.2	1	1454.5	1148.2	3	1714	1148.2
2	Jansen Van Rensburg ,R (Ruan)	6	0.5	-354.2	0	0	0	0	0	0	6	0.5	-354.2
2	Jansen Van Rensburg ,R (Ruan)	6	1470.8	1116.7	0	0	0	0	0	0	6	1426.8	1116.7
3	Cloete ,R (Ralph)	4	2	0	1	0	-425	1	1	425	2	1	0
3	Cloete ,R (Ralph)	4	1555.4	1555.4	1	1606.9	1130.4	1	1516.5	1980.4	2	1190.7	1555.4
4	Swart ,S (Sune)	4	0	-425	0	0	0	1	0	-425	3	0	-425
4	Swart ,S (Sune)	4	1491.9	1066.9	0	0	0	1	1315.6	1066.9	3	1398.6	1066.9
5	Nortje ,P (Pieter)	3	0.5	-283.3	1	0	-425	1	0.5	0	1	0	-425
5	Nortje ,P (Pieter)	3	1523.9	1240.5	1	1452.8	1098.9	1	1384.3	1523.9	1	1446.6	1098.9
6	Gilbert ,C (Calray)	3	3	425	0	0	0	1	1	425	2	2	425
6	Gilbert ,C (Calray)	3	1160.4	1585.4	0	0	0	1	1112.4	1585.4	2	991.6	1585.4
7	Claassen ,M (Maurice)	3	2.5	283.3	0	0	0	0	0	0	3	2.5	283.3
7	Claassen ,M (Maurice)	3	1446.3	1729.6	0	0	0	0	0	0	3	1327	1729.6
8	Brink ,A (Andrew)	3	2	141.7	0	0	0	0	0	0	3	2	141.7
8	Brink ,A (Andrew)	3	1625.2	1766.9	0	0	0	0	0	0	3	1319.7	1766.9
9	Roelf ,W (Wildren)	3	1	-141.7	0	0	0	0	0	0	3	1	-141.7
9	Roelf ,W (Wildren)	3	1610.1	1468.4	0	0	0	0	0	0	3	1183.2	1468.4
10	Thoresen ,K (Kyle)	2	1	0	2	1	0	0	0	0	0	0	0
10	Thoresen ,K (Kyle)	2	1363.2	1363.2	2	1379.5	1363.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Jantjies, K (Keaton)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms