2025 Middle Game Chess Foundation Challengers

1 Wang, Justin Zhide , K=18, Elo=2075, ID=17324
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 W 10 CM Yu, Zachary 2117 42 0.44 0.0 0.0 3.5
2 W 2 WCM Lu, Xiahan (Luna) 1887 188 0.74 1.0 1.0 0.5
3 B 3 Jin, Yanbo 2026 49 0.57 0.0 1.0 3.0
4 W 4 Cooper, Nigel 1602 400 0.92 1.0 2.0 0.0
var = -13, PRtg=1844 1908 2.67 2.0 0.0

2 WCM Lu, Xiahan (Luna) , K=22, Elo=1887, ID=18118
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 W 9 Tew, Yao Zen Markis 2029 142 0.31 0.0 0.0 3.5
2 B 1 Wang, Justin Zhide 2075 188 0.26 0.0 0.0 2.0
3 W 10 CM Yu, Zachary 2117 230 0.21 0.5 0.5 3.5
4 W 3 Jin, Yanbo 2026 139 0.31 0.0 0.5 3.0
var = -13, PRtg=1634 2062 1.09 0.5 0.0

3 Jin, Yanbo , K=19, Elo=2026, ID=19540
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 W 8 Liu, William Rui 2051 25 0.47 0.5 0.5 3.0
2 B 9 Tew, Yao Zen Markis 2029 3 0.50 0.5 1.0 3.5
3 W 1 Wang, Justin Zhide 2075 49 0.43 1.0 2.0 2.0
4 B 2 WCM Lu, Xiahan (Luna) 1887 139 0.69 1.0 3.0 0.5
var = 17, PRtg=2062 2011 2.09 3.0 0.0

4 Cooper, Nigel , K=27, Elo=1602, ID=13762
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 W 7 Seidl, Milan 1800 198 0.24 0.0 0.0 1.5
2 B 8 Liu, William Rui 2051 400 0.08 0.0 0.0 3.0
3 W 9 Tew, Yao Zen Markis 2029 400 0.08 0.0 0.0 3.5
4 B 1 Wang, Justin Zhide 2075 400 0.08 0.0 0.0 2.0
var = -13, PRtg=1089 1989 0.48 0.0 0.0

5 Weng, Winston , K=20, Elo=1992, ID=15853
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 W 6 CM Slater-Jones, Henry 1906 86 0.62 0.5 0.5 1.5
2 B 7 Seidl, Milan 1800 192 0.75 0.5 1.0 1.5
3 W 8 Liu, William Rui 2051 59 0.42 0.5 1.5 3.0
4 B 9 Tew, Yao Zen Markis 2029 37 0.45 0.0 1.5 3.5
var = -14, PRtg=1804 1947 2.24 1.5 0.0

6 CM Slater-Jones, Henry , K= 0, Elo=1906, ID=0
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 B 5 Weng, Winston 1992 86 0.38 0.5 0.5 1.5
2 B 10 CM Yu, Zachary 2117 211 0.23 0.0 0.5 3.5
3 W 7 Seidl, Milan 1800 106 0.64 1.0 1.5 1.5
4 B 8 Liu, William Rui 2051 145 0.31 0.0 1.5 3.0
var = 0, PRtg=1837 1990 1.56 1.5 0.0

7 Seidl, Milan , K= 0, Elo=1800, ID=0
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 B 4 Cooper, Nigel 1602 198 0.76 1.0 1.0 0.0
2 W 5 Weng, Winston 1992 192 0.25 0.5 1.5 1.5
3 B 6 CM Slater-Jones, Henry 1906 106 0.36 0.0 1.5 1.5
4 B 10 CM Yu, Zachary 2117 317 0.13 0.0 1.5 3.5
var = 0, PRtg=1787 1904 1.50 1.5 0.0

8 Liu, William Rui , K=18, Elo=2051, ID=17424
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 B 3 Jin, Yanbo 2026 25 0.53 0.5 0.5 3.0
2 W 4 Cooper, Nigel 1602 400 0.92 1.0 1.5 0.0
3 B 5 Weng, Winston 1992 59 0.58 0.5 2.0 1.5
4 W 6 CM Slater-Jones, Henry 1906 145 0.69 1.0 3.0 1.5
var = 5, PRtg=2051 1882 2.72 3.0 0.0

9 Tew, Yao Zen Markis , K=19, Elo=2029, ID=18303
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 B 2 WCM Lu, Xiahan (Luna) 1887 142 0.69 1.0 1.0 0.5
2 W 3 Jin, Yanbo 2026 3 0.50 0.5 1.5 3.0
3 B 4 Cooper, Nigel 1602 400 0.92 1.0 2.5 0.0
4 W 5 Weng, Winston 1992 37 0.55 1.0 3.5 1.5
var = 15, PRtg=2148 1877 2.66 3.5 0.0

10 CM Yu, Zachary , K=17, Elo=2117, ID=16736
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 B 1 Wang, Justin Zhide 2075 42 0.56 1.0 1.0 2.0
2 W 6 CM Slater-Jones, Henry 1906 211 0.77 1.0 2.0 1.5
3 B 2 WCM Lu, Xiahan (Luna) 1887 230 0.79 0.5 2.5 0.5
4 W 7 Seidl, Milan 1800 317 0.87 1.0 3.5 1.5
var = 9, PRtg=2167 1917 2.99 3.5 0.0