Epi 158 The Grappling Referee David Karchmer

This week we bring you an interview with BJJ black belt & referee David Karchmer. Over the last eight years David has officiated more than 3,000 gi and no-gi matches. It is great to share with you this conversation with such an experienced Referee.david-karchmer

We talk about:

  • What got him started as a referee in 2008
  • How some of the rules have changed over the years
  • Video instant replay in BJJ
  • Using digital score boards in BJJ
  • The idea of using a body cam on a referee
  • Evaluating footage from a spectator
  • Trends in BJJ techniques
  • Being a referee with different rules
  • Improving as a referee
  • Having unified rules for BJJ or submission wrestling
  • What referee is in charge of the match
  • Is competitive BJJ being true to the roots of the martial art
  • The idea of a hidden score card
  • What motivated him to become a referee
  • What happens when a referee raises the wrong hand
  • Deciding who wins a tied match
  • How the knowledge and experience of the referee can effect the match
  • How someone can learn to become a referee
  • Why the best referee teams work an hour then take an hour break
  • His thoughts on AJ Agazarm vs Vagner Rocha
  • Outlawing jumping closed guard
  • Keenan Cornelius vs Tarsis Humphreys


Quote of the week: “It annoys me when people who don’t know what they’re talking about boo the referee.” Jonah Lomu

Article of the week: Stop Warming Up, Start Learning Up


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Catch us next week for another episode of The BjjBrick Podcast

Gary talks about his audio book “Red Card and Red Crotch- How I Got Kicked Out of Professional Sports”

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