30:57

I'll start from the beginning: (Speedrun 542-576)

15:39

I RANK your best BRILLIANT moves in chess!! (Tier List)

22:16

Succeed in your first chess calculations (Speedrun 528 to 561 Elo)

24:48

50% of Beginners do this… and it’s CATASTROPHIC!! (Speedrun 646-682)

29:30

I respected the principles of openness, but what to do next? (Speedrun 425 to 457 Elo)