#20, December 5, 2014
Thanks to ForeverNoob, Forensicator, zuz and Tarot in particular!
LINK: http://online-go.com/demo/42042
#19, November 28, 2014
Special guest: Yunxuan Li 6d (yx123)! Thanks to ZyBeX86, PotatoDono and Tarot in particular!
LINK: http://online-go.com/demo/40997
#18, November 21, 2014
Live Q&A (20:00-22:00 UTC) edition of Fridays with xhu98! Thanks to eikons, Meloco, Red_Lightning_Juggal and Tarot in particular!
LINK: http://online-go.com/demo/40033
#17, November 14, 2014
Second live demo (21:00-22:30 UTC) of Fridays with xhu98! Part 2 of the game between xhu98 (me) and calantir!
LINK: http://online-go.com/demo/39107
#16, November 7, 2014
First ever live edition (21:00-22:30 UTC) of Fridays with xhu98! Part 1 of the game between xhu98 (me) and calantir!
LINK: http://online-go.com/demo/38190
#15, October 31, 2014
(questions posted by Prometeus: TOPIC: Pincers - Part 5: How and when to pincer)
Please support my second ongoing puzzle collection, The Genius of Akaboshi Intetsu!
NOTE: When opening the puzzles, please remember to disable random color swap and random rotation/translation of the board. The settings can be found by clicking on the small gear icon to the right of the puzzle toolbar. You are free to adjust the zoom, however! And please kindly offer 5-stars! 
TOPIC: http://online-go.com/demo/37241
LINK TO PUZZLE COLLECTION #1: http://online-go.com/puzzle/1409
#14, October 24, 2014 (Honinbo House Special)
(questions posted by ennuiaboo, crodgers: TOPIC #1: How to estimate the value of moves, Part 4; TOPIC #2: A secret Honinbo house game - 7 tips on how to attack properly!)
TOPIC #1: http://online-go.com/demo/36380
TOPIC #2: http://online-go.com/review/36418
#13, October 17, 2014
(questions posted by ennuiaboo, archpaladin1: TOPIC #1: How to estimate the value of moves, Part 3; TOPIC #2: Consolidation and Invasion - An original xhu98 teaching game!)
TOPIC #1: http://online-go.com/demo/35363
TOPIC #2: http://online-go.com/demo/35876
#12, October 10, 2014
(questions posted by ennuiaboo: TOPIC: How to estimate the value of moves, Part 2)
Official Release of the complete version of my first puzzle collection, The Book of Pure Pleasures and Forgotten Worries (忘忧清乐集)!
NOTE: When opening the puzzles, please remember to disable random color swap and random rotation/translation of the board. The settings can be found by clicking on the small gear icon to the right of the puzzle toolbar. You are free to adjust the zoom, however! And please kindly offer 5-stars!
TOPIC: http://online-go.com/demo/34869
LINK TO PUZZLE COLLECTION #1: http://online-go.com/puzzle/188
#11, October 3, 2014
(questions posted by ennuiaboo, Onno, special guest Mikasa: TOPIC #1: How to estimate the value of moves, Part 1; TOPIC #2: 8 ways to build a moyo)
TOPIC #1: http://online-go.com/demo/34147
TOPIC #2: http://online-go.com/demo/34151
#10, September 26, 2014
(questions posted by ob3lix, CaptainCrodgers: TOPIC #1: Tengen-on-first-move, Mirror Go; TOPIC #2: Pincers - Part 4)
TOPIC #1: http://online-go.com/demo/33513
TOPIC #2: http://online-go.com/demo/33633
#9, September 19, 2014
(questions posted by grizato, Oni, Mikasa: TOPIC #1: xhu98’s live review about Tenuki; TOPIC #2: Puzzle time with Mikasa!)
TOPIC #1: http://online-go.com/demo/32857
TOPIC #2: http://online-go.com/demo/32954
#8, September 12, 2014
(questions posted by mark5000, wonjohn.choi: TOPIC #1: Pincers - Part 3; TOPIC #2: xhu98 does a live review!)
TOPIC #1: http://online-go.com/demo/31878
TOPIC #2: http://online-go.com/demo/32263
#7, September 5, 2014
(questions posted by LinuxGooo, DeathTheKid101: TOPIC #1: Keeping a consistent playing style in the game; TOPIC #2: “Leaks” in the moyos)
TOPIC #1: http://online-go.com/demo/31601
TOPIC #2: http://online-go.com/demo/31684
#6, August 29, 2014
(questions posted by mark5000, ob3lix: TOPIC #1: Pincers - Part 2; TOPIC #2: Defense is the new attack!)
TOPIC #1: http://online-go.com/demo/30892
TOPIC #2: http://online-go.com/demo/30915
#5, August 22, 2014
(questions posted by Onno, Cab: TOPIC #1: Pincers - Part 1; TOPIC #2: Avoiding “jealousy” of moyos)
TOPIC #1: http://online-go.com/demo/30303
TOPIC #2: http://online-go.com/demo/30360
#4, August 15, 2014
(questions posted by Erasmas, royjac: TOPIC #1: Star-point corner invasions Part 3; TOPIC #2: the near-endgame)
TOPIC #1: http://online-go.com/demo/29719
TOPIC #2: http://online-go.com/demo/29757
#3, August 8, 2014
(questions posted by Erasmas, jbrush: TOPIC #1: Star-point corner invasions Part 2; TOPIC #2: sente, gote, and order manipulation)
TOPIC #1: http://online-go.com/demo/29001
TOPIC #2: http://online-go.com/demo/29042
#2, August 1, 2014
(questions posted by Erasmas, LinuxGooo: Star-point corner invasions Part 1; pace, estimation and Kiai)
http://online-go.com/demo/28236
#1, July 25, 2014
(questions posted by mlopezviedma: Common misconceptions in the use of kosumi josekis)