Chess South Africa Ratings Database

PLAYER PAGE

Personal

Liu, Y (Yichen)

Chess SA id

1150317979

FIDE id

Date of birth

2015-10-24 (U12)

Gender

Male

Region

(CHN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-06-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1175

Item	Main	Standard	Rapid	Blitz
Rating	1267.2	1280.9	1200	1200
Raw rating	1267.2	1280.9	1200	1200
Weighted rating	1219.7	1223.7	1200	1200
Weighted performance	0	0	0	0
Floor	767.2	780.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	150.7	147.8	165.8	165.8
Highest rating	1267.2 2025-07-01	1280.9 2025-07-01	1200 2025-04-01	1200 2025-04-01
Highest raw rating	1267.2 2025-07-01	1280.9 2025-07-01	1200 2025-04-01	1200 2025-04-01
Highest weighted rating	1210 2025-08-01	1212 2025-08-01	1200 2025-04-01	1200 2025-04-01
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1267.2	1280.9	1200	1200
Analysis
Rating	1267.2	1280.9	1200	1200
Raw rating	1267.2	1280.9	1200	1200
Weighted rating	1219.7	1223.7	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	767.2	780.9	700	700
Max/Min rating change allowed	150.7	147.8	165.8	165.8
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	1267.2	1280.9	1200	1200
New weighted rating	1224.2	1229.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1267.2	1280.9	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1267.2	1280.9	1200	1200
New K-factor	36	36	36	36
New floor	767.2	780.9	700	700

Item	Main	Standard
	0	0
	14	14
	0	0
	0	0
	0	0
	0	0
History	14	14

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region
Province
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1


	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	14	5.5	39.29	-91.1	1265.6	1174.6
Standard	14	5.5	39.29	-91.1	1265.6	1174.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	5.5	39.29	-91.1	1265.6	1174.6
Standard	14	5.5	39.29	-91.1	1265.6	1174.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1267.2	1280.9	1200	1200
2025-09-01	1267.2	1280.9	1200	1200
2025-08-01	1267.2	1280.9	1200	1200
2025-07-01	1267.2	1280.9	1200	1200
2025-06-01	1199.2	1199.1	1200	1200
2025-05-01	1197	1196.2	1200	1200
2025-04-01	1196.2	1195.3	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	1200

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	2025 Jacaranda Round Robin Open Chess Tournament (P)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
2	2025 Mid Gauteng Open Chess Tournament (U12)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
3	2025 Chris Greyling Open Chess Tournament (U12)	2025-03-15	2025-03-15	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Jacaranda Round Robin Open Chess Tournament (P)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
2	2025 Mid Gauteng Open Chess Tournament (U12)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
3	2025 Chris Greyling Open Chess Tournament (U12)	2025-03-15	2025-03-15	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis

#	Games	Start				End
1	6	Tournament 2025 Mid Gauteng Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Mlotshwa, D (Daluxolo)				Opponent Mogobiyane, L (Lefa)

#	Games	Start				End
1	6	Tournament 2025 Mid Gauteng Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Mlotshwa, D (Daluxolo)				Opponent Mogobiyane, L (Lefa)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 2	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Peens, M (Marnus)				Opponent Mogobiyane, L (Lefa)
2	1	Tournament 2025 Mid Gauteng Open Chess Tournament				Tournament 2025 Mid Gauteng Open Chess Tournament
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Mlotshwa, D (Daluxolo)				Opponent Mlotshwa, D (Daluxolo)

#	Games	Start				End
1	4	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 2	type Standard	result 1	date 2025-06-21	rnd 5	type Standard	result 1
		Opponent Peens, M (Marnus)				Opponent Mogobiyane, L (Lefa)
2	1	Tournament 2025 Mid Gauteng Open Chess Tournament				Tournament 2025 Mid Gauteng Open Chess Tournament
		date 2025-04-12	rnd 5	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Mlotshwa, D (Daluxolo)				Opponent Mlotshwa, D (Daluxolo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

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	Du Plessis ,M (Mia)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Du Plessis ,M (Mia)	1	1388.2	963.2	1	1384.3	963.2	0	0	0	0	0	0
2	Jansen Van Vuuren ,G (Griffin)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Jansen Van Vuuren ,G (Griffin)	1	1308.7	883.7	1	1307.8	883.7	0	0	0	0	0	0
3	Mogobiyane ,L (Lefa)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mogobiyane ,L (Lefa)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Kodibona ,G (Golekane)	1	1	425	1	1	425	0	0	0	0	0	0
4	Kodibona ,G (Golekane)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Vounatsos ,L (Levi)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Vounatsos ,L (Levi)	1	1260.5	835.5	1	1257.6	835.5	0	0	0	0	0	0
6	Peens ,M (Marnus)	1	1	425	1	1	425	0	0	0	0	0	0
6	Peens ,M (Marnus)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Ravuri ,C (Chinmay Vihaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Ravuri ,C (Chinmay Vihaan)	1	1515	1090	1	1508.3	1090	0	0	0	0	0	0
8	Tleane ,M (Molemo)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Tleane ,M (Molemo)	1	1211.3	786.3	1	1203.6	786.3	0	0	0	0	0	0
9	Le Roux ,N (Nickus)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Le Roux ,N (Nickus)	1	1199.9	1199.9	1	1199.9	1199.9	0	0	0	0	0	0
10	Moatshe ,L (Lebogang)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Moatshe ,L (Lebogang)	1	1153.7	728.7	1	1144.5	728.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Liu, Y (Yichen)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms