Volume II: The Endgame”. Dan Harrington is a well known professional poker player and two times World Series of 9️⃣ Poker bracelet winner, including winning the WSOP Main Event of 1995. The M-Concept/Zone System let’s you determine the status you’re 9️⃣ in when playing a poker tournament. According to your calculated (effective) M, you can find yourself in one of the 9️⃣ predefined zones, where different strategies
