https://www.facebook.com/yongjing.qu?tn=lC-R&eid=ARAoJlOVLNQpN6z5zNc18mpHdxGmGKfg2tIVqTQgDOBKZFH5RG2n-4wJktkq7h2Z48dQh5_jNe43il1Z&hc_ref=ARS2L3JIVG2mgoKXO10BgF26GWiT0Q7vz_paGK2wUWlNi1Ymm3XsdTC-7JcrOhkZhNM&xts[0]=68.ARCI-JzPomjq6LJZu2YJI3i57jCHgn98h4ZqJQv2PesawrDjH5ew_EIp6fZdot0UV1OOQvDvJxAJw2k20KXNZp1hR51lSV1n5naLqmRkfY09YBbRLf0voHH3NX62x4fGwYCzC3Y2lXu9CAURyCuYmdFvX0Xam8-byyauhuXB4__YiD_mOY7XmzWACd05Waiu4tX-7q5js-k6l2_Nl8Sr3IpW8YCa1LQDfRW2SUbjrCzSGEqRaVcFTFD_kGKN_EVmIfJu8pQJzMWFRqYZ0XkoFT64GEZn3Ysw8cw
Look who's wife has a very interdasting lastname?
https://thechessworld.com/articles/middle-game/chess-strategy-what-do-you-need-to-know-about-strategy-and-tactics/
https://www.facebook.com/yury.markushin