2025 Middle Game Chess Foundation Challengers

Name: Wang, Justin Zhide , Startingrank-Number = 1
Fide ID: 4312830, Rating: 1895, Title: , Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	W	10	Yu, Zachary	4311930	NZL	2040	CM	145	0.31	0	0
2	W	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	173	0.73	1	1
3	B	3	Jin, Yanbo	4324900	NZL	1976		81	0.39	0	1
4	W	4	Cooper, Nigel	4300840	NZL	1638		257	0.82	1	2
5	B	5	Weng, Winston	4306414	NZL	1911		16	0.48	0	2
6	W	6	Slater-Jones, Henry	3222101	AUS	1906	CM	11	0.48	0.5	2.5
7	B	7	Seidl, Milan	533002614	GER	1800		95	0.63	1	3.5
8	W	8	Liu, William Rui	4313593	NZL	1946		51	0.43	0.5	4
9	B	9	Tew, Yao Zen Markis	35814420	NZL	1913		18	0.47	0.5	4.5
Games = 9, Score = 4.5 , ARO = 1872 , PRtg = 1872, We = 4.74, W-We= -0.24 , var=-10

Name: Lu, Xiahan (Luna) , Startingrank-Number = 2
Fide ID: 4317076, Rating: 1722, Title: WCM, Fed: NZL, Sex: f
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	W	9	Tew, Yao Zen Markis	35814420	NZL	1913		191	0.25	0	0
2	B	1	Wang, Justin Zhide	4312830	NZL	1895		173	0.27	0	0
3	W	10	Yu, Zachary	4311930	NZL	2040	CM	318	0.13	0.5	0.5
4	W	3	Jin, Yanbo	4324900	NZL	1976		254	0.19	0	0.5
5	B	4	Cooper, Nigel	4300840	NZL	1638		84	0.62	0.5	1
6	W	5	Weng, Winston	4306414	NZL	1911		189	0.25	0	1
7	B	6	Slater-Jones, Henry	3222101	AUS	1906	CM	184	0.26	0	1
8	W	7	Seidl, Milan	533002614	GER	1800		78	0.39	1	2
9	B	8	Liu, William Rui	4313593	NZL	1946		224	0.22	0	2
Games = 9, Score = 2 , ARO = 1892 , PRtg = 1672, We = 2.58, W-We= -0.58 , var=-23

Name: Jin, Yanbo , Startingrank-Number = 3
Fide ID: 4324900, Rating: 1976, Title: , Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	W	8	Liu, William Rui	4313593	NZL	1946		30	0.54	0.5	0.5
2	B	9	Tew, Yao Zen Markis	35814420	NZL	1913		63	0.59	0.5	1
3	W	1	Wang, Justin Zhide	4312830	NZL	1895		81	0.61	1	2
4	B	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	254	0.81	1	3
5	W	10	Yu, Zachary	4311930	NZL	2040	CM	64	0.41	0	3
6	W	4	Cooper, Nigel	4300840	NZL	1638		338	0.88	1	4
7	B	5	Weng, Winston	4306414	NZL	1911		65	0.59	0.5	4.5
8	W	6	Slater-Jones, Henry	3222101	AUS	1906	CM	70	0.6	0.5	5
9	B	7	Seidl, Milan	533002614	GER	1800		176	0.73	0.5	5.5
Games = 9, Score = 5.5 , ARO = 1863 , PRtg = 1943, We = 5.76, W-We= -0.26 , var=-10

Name: Cooper, Nigel , Startingrank-Number = 4
Fide ID: 4300840, Rating: 1638, Title: , Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	W	7	Seidl, Milan	533002614	GER	1800		162	0.29	0	0
2	B	8	Liu, William Rui	4313593	NZL	1946		308	0.14	0	0
3	W	9	Tew, Yao Zen Markis	35814420	NZL	1913		275	0.17	0	0
4	B	1	Wang, Justin Zhide	4312830	NZL	1895		257	0.18	0	0
5	W	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	84	0.38	0.5	0.5
6	B	3	Jin, Yanbo	4324900	NZL	1976		338	0.12	0	0.5
7	W	10	Yu, Zachary	4311930	NZL	2040	CM	400	0.08	0	0.5
8	W	5	Weng, Winston	4306414	NZL	1911		273	0.17	0	0.5
9	B	6	Slater-Jones, Henry	3222101	AUS	1906	CM	268	0.17	0	0.5
Games = 9, Score = 0.5 , ARO = 1901 , PRtg = 1457, We = 1.70, W-We= -1.20 , var=-24

Name: Weng, Winston , Startingrank-Number = 5
Fide ID: 4306414, Rating: 1911, Title: , Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	W	6	Slater-Jones, Henry	3222101	AUS	1906	CM	5	0.51	0.5	0.5
2	B	7	Seidl, Milan	533002614	GER	1800		111	0.65	0.5	1
3	W	8	Liu, William Rui	4313593	NZL	1946		35	0.45	0.5	1.5
4	B	9	Tew, Yao Zen Markis	35814420	NZL	1913		2	0.5	0	1.5
5	W	1	Wang, Justin Zhide	4312830	NZL	1895		16	0.52	1	2.5
6	B	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	189	0.75	1	3.5
7	W	3	Jin, Yanbo	4324900	NZL	1976		65	0.41	0.5	4
8	B	4	Cooper, Nigel	4300840	NZL	1638		273	0.83	1	5
9	W	10	Yu, Zachary	4311930	NZL	2040	CM	129	0.33	0	5
Games = 9, Score = 5 , ARO = 1871 , PRtg = 1914, We = 4.95, W-We= 0.05 , var=1

Name: Slater-Jones, Henry , Startingrank-Number = 6
Fide ID: 3222101, Rating: 1906, Title: CM, Fed: AUS, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	B	5	Weng, Winston	4306414	NZL	1911		5	0.49	0.5	0.5
2	B	10	Yu, Zachary	4311930	NZL	2040	CM	134	0.32	0	0.5
3	W	7	Seidl, Milan	533002614	GER	1800		106	0.64	1	1.5
4	B	8	Liu, William Rui	4313593	NZL	1946		40	0.44	0	1.5
5	W	9	Tew, Yao Zen Markis	35814420	NZL	1913		7	0.49	0.5	2
6	B	1	Wang, Justin Zhide	4312830	NZL	1895		11	0.52	0.5	2.5
7	W	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	184	0.74	1	3.5
8	B	3	Jin, Yanbo	4324900	NZL	1976		70	0.4	0.5	4
9	W	4	Cooper, Nigel	4300840	NZL	1638		268	0.83	1	5
Games = 9, Score = 5 , ARO = 1871 , PRtg = 1914, We = 4.87, W-We= 0.13 , var=3

Name: Seidl, Milan , Startingrank-Number = 7
Fide ID: 533002614, Rating: 1800, Title: , Fed: GER, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	B	4	Cooper, Nigel	4300840	NZL	1638		162	0.71	1	1
2	W	5	Weng, Winston	4306414	NZL	1911		111	0.35	0.5	1.5
3	B	6	Slater-Jones, Henry	3222101	AUS	1906	CM	106	0.36	0	1.5
4	B	10	Yu, Zachary	4311930	NZL	2040	CM	240	0.2	0	1.5
5	W	8	Liu, William Rui	4313593	NZL	1946		146	0.3	0.5	2
6	B	9	Tew, Yao Zen Markis	35814420	NZL	1913		113	0.35	1	3
7	W	1	Wang, Justin Zhide	4312830	NZL	1895		95	0.37	0	3
8	B	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	78	0.61	0	3
9	W	3	Jin, Yanbo	4324900	NZL	1976		176	0.27	0.5	3.5
Games = 9, Score = 3.5 , ARO = 1883 , PRtg = 1803, We = 3.52, W-We= -0.02 , var=-1

Name: Liu, William Rui , Startingrank-Number = 8
Fide ID: 4313593, Rating: 1946, Title: , Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	B	3	Jin, Yanbo	4324900	NZL	1976		30	0.46	0.5	0.5
2	W	4	Cooper, Nigel	4300840	NZL	1638		308	0.86	1	1.5
3	B	5	Weng, Winston	4306414	NZL	1911		35	0.55	0.5	2
4	W	6	Slater-Jones, Henry	3222101	AUS	1906	CM	40	0.56	1	3
5	B	7	Seidl, Milan	533002614	GER	1800		146	0.7	0.5	3.5
6	B	10	Yu, Zachary	4311930	NZL	2040	CM	94	0.37	0	3.5
7	W	9	Tew, Yao Zen Markis	35814420	NZL	1913		33	0.55	1	4.5
8	B	1	Wang, Justin Zhide	4312830	NZL	1895		51	0.57	0.5	5
9	W	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	224	0.78	1	6
Games = 9, Score = 6 , ARO = 1867 , PRtg = 1992, We = 5.40, W-We= 0.60 , var=24

Name: Tew, Yao Zen Markis , Startingrank-Number = 9
Fide ID: 35814420, Rating: 1913, Title: , Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	B	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	191	0.75	1	1
2	W	3	Jin, Yanbo	4324900	NZL	1976		63	0.41	0.5	1.5
3	B	4	Cooper, Nigel	4300840	NZL	1638		275	0.83	1	2.5
4	W	5	Weng, Winston	4306414	NZL	1911		2	0.5	1	3.5
5	B	6	Slater-Jones, Henry	3222101	AUS	1906	CM	7	0.51	0.5	4
6	W	7	Seidl, Milan	533002614	GER	1800		113	0.65	0	4
7	B	8	Liu, William Rui	4313593	NZL	1946		33	0.45	0	4
8	B	10	Yu, Zachary	4311930	NZL	2040	CM	127	0.33	0.5	4.5
9	W	1	Wang, Justin Zhide	4312830	NZL	1895		18	0.53	0.5	5
Games = 9, Score = 5 , ARO = 1870 , PRtg = 1913, We = 4.96, W-We= 0.04 , var=1

Name: Yu, Zachary , Startingrank-Number = 10
Fide ID: 4311930, Rating: 2040, Title: CM, Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	B	1	Wang, Justin Zhide	4312830	NZL	1895		145	0.69	1	1
2	W	6	Slater-Jones, Henry	3222101	AUS	1906	CM	134	0.68	1	2
3	B	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	318	0.87	0.5	2.5
4	W	7	Seidl, Milan	533002614	GER	1800		240	0.8	1	3.5
5	B	3	Jin, Yanbo	4324900	NZL	1976		64	0.59	1	4.5
6	W	8	Liu, William Rui	4313593	NZL	1946		94	0.63	1	5.5
7	B	4	Cooper, Nigel	4300840	NZL	1638		400	0.92	1	6.5
8	W	9	Tew, Yao Zen Markis	35814420	NZL	1913		127	0.67	0.5	7
9	B	5	Weng, Winston	4306414	NZL	1911		129	0.67	1	8
Games = 9, Score = 8 , ARO = 1856 , PRtg = 2207, We = 6.52, W-We= 1.48 , var=59