Hòa — Zheng Defeng's Practical Endgame Secrets 1 - Single Game Examples of Win and Draw #143 Practical Endgame · Advisor-up opening
Hòa — Zheng Defeng's Practical Endgame Secrets 1 - Single Game Examples of Win and Draw #142 Practical Endgame 1 - Single Game Win/Draw Examples · Advisor-up opening