What Is 1st World Series of Poker

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Last updated: April 15, 2026

Quick Answer: The first World Series of Poker (WSOP) was held in 1970 at Binion's Horseshoe Casino in Las Vegas, featuring a $10,000 buy-in no-limit Texas Hold'em tournament with five invited players. Johnny Moss was voted the winner by his peers after a marathon session of play.

Key Facts

Overview

The first World Series of Poker (WSOP) marked the beginning of what would become the most prestigious poker tournament series in the world. Held in 1970 at Binion's Horseshoe Casino in downtown Las Vegas, the event was conceived by Benny Binion as a way to crown a definitive poker champion through a gathering of elite players.

The tournament was not a mass-participation event like modern WSOP main events. Instead, it featured a small, invitation-only field, emphasizing exclusivity and high-stakes competition. The format was experimental and evolved over the course of the week-long freeze-out.

How It Works

The 1970 WSOP introduced a format that was more about endurance and psychological stamina than structured elimination. Unlike today’s timed tournaments, the first event was a freeze-out that continued until one player remained.

Comparison at a Glance

Below is a comparison of the 1970 WSOP main event and the modern WSOP main event:

Feature1970 WSOP2023 WSOP
Number of Players5 invited10,048 entrants
Buy-in$10,000$10,000
Winner SelectionPeer voteLast player standing
Prize PoolNot applicable$180 million (approx.)
Duration5 daysMultiple starting flights, 9-day final

The evolution from a small, invitation-based vote to a global, structured tournament with tens of thousands of participants highlights the growth of poker as a competitive sport. The 1970 format laid the groundwork for modern rules, including structured blinds and elimination play, which were formalized in later years.

Why It Matters

The first WSOP was a foundational moment in poker history, transforming the game from backroom gambling to a recognized competitive event. Its legacy includes the creation of standardized rules, the rise of televised poker, and the professionalization of the game.

Today, the WSOP features dozens of events and awards coveted gold bracelets, but the 1970 tournament remains the cornerstone of its history, symbolizing the transition of poker into mainstream legitimacy.

Sources

  1. WikipediaCC-BY-SA-4.0

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