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U.S. CHESS CHAMPS

HOME OF U.S. CHAMPIONSHIP CHESS & THE COUNTRY’S TOP PLAYERS

Regulations

  1. Format: Champions Showdown: Chess9LX (“the Event”) is a round robin Chess960 (Fischer Random) tournament played at rapid time controls
  2. Venue:The Event shall be held at the Saint Louis Chess Club (4657 Maryland Avenue, Saint Louis, MO 63108 USA)
  3. Schedule of Events: Each round shall begin at the start times listed in the Schedule of Events attached hereto as Exhibit A (the “Schedule of Events”).
  4. Pairings & Scoring:
    • Players will draw lots during the players meeting to determine their pairing number
    • Players will be paired based on the standard FIDE Berger tables
    • In each game, a win is worth 1 point, a draw is worth ½ point and a loss is worth 0 points
    • Games will be submitted to the Universal Rating System for rating
  5. Starting Position:
    • The starting position shall be the same for each game in a particular round
    • The starting position will be different for each round
    • If the standard chess position is drawn, then the Chief Arbiter, in conjunction with the Saint Louis Chess Club, will draw a new position
    • If the position from any round is drawn again (including for the playoffs), then the Chief Arbiter, in conjunction with the Saint Louis Chess Club, will draw a new position
    • The Chief Arbiter, in conjunction with the Saint Louis Chess Club, will draw the new positions. The position will be revealed ten minutes prior to the start of play.
    • Players may independently analyze the position for the time allotted in 5.3. Player may not consult any software, chess engines, notes, nor receive assistance from any other person. Players may discuss the position with other Players in the event
  6. Time Control: The time control shall be twenty (20) minutes per game, with a five (5)-second increment from move one (G/20+5)
  7. Prizes: The total prize fund shall be $150,000 (One Hundred Fifty Thousand U.S. Dollars)
  8. Tiebreak:
    • In the event of a tie for first place, there shall be a playoff to determine final standings among all tied players
    • All prize money shall be divided equally among all tied players
    • Should mathematical tiebreaks be needed, they shall be applied in the following order: 1. Direct Encounter, 2. Most Blacks, 3. Koya System, 4. Sonneborn Berger, 5. Won Games
    • An Armageddon Game is defined as follows: White shall start with 5 minutes and black shall start with 4 minutes. Black shall be declared the winner if the game ends in a draw
    • Two Players: The tie will be broken with a two-game rapid Chess960 match (G/10 +2 increment). A new position will be drawn for this 2-game match, and each player shall contest it from the white side and black side. If the contest is still undecided, the match will be decided by a Chess960 Armageddon Game, with a new starting position drawn.
    • Three or Four Players: If there are three or four Players tied for first, the Players shall contest a Chess960 rapid round robin (G/10 +2 increment). All games will be played with the same starting position. If no clear winner is produced, the remaining tied players shall contest a Chess960 blitz (G/3 +2 increment) a) round robin (if three or four players remain tied) or b) 2-game match (if two players remain tied) from a new starting position. If the contest is still undecided, the match will be decided by a series of Chess960 Armageddon Games
    • More Than Four Players: If more than four players are tied for first place, a combination of math tie-breaks and playoffs will be used to determine the winner. The format if more than four players are tied for first will be determined by the Arbiter and the Saint Louis Chess Club
  9. Arbitration:
    • The tournament shall be played according to the FIDE Laws of Chess
    • The tournament shall be supervised by the Chief Arbiter (the “CA”)
      • The CA shall be responsible for ensuring fair play and implementing any anti-cheating measures
      • If a player wishes to appeal a decision of the CA, they must do so immediately after the game by notifying the CA
      • The Chief Organizer (the “CO”) shall appoint a three (3)-person appeals committee consisting of at least two (2) arbiters (the “Appeals Committee”). The CO shall be Tony Rich, IA, IO
      • Decisions of the Appeals Committee are final
    • In the event of an unexpected occurrence, the CA reserves the right to make all decisions in conjunction with or on behalf of the CO
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2021 Champions Showdown: Chess 9LX

  • Overview
  • The Field
  • Pairings & Results
  • Recap Articles
  • Regulations

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Past Events

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  • 2022 Fall Chess Classic
  • 2022 U.S. Senior Championship
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  • Today in Chess: 2022 FIDE Candidates
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  • Today in Chess: 2020 FIDE Candidates
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  • 2020 Clutch Chess: International
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  • 2019 Saint Louis Invitational
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  • 2019 Champions Showdown: Chess 9LX
  • 2019 U.S. Senior Championship
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  • 2019 Cairns Cup
  • 2018 TiC: World Championship
  • 2018 Saint Louis Invitational
  • 2018 Winter Classic
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  • 2018 Today in Chess: Candidates
  • 2018 Spring Chess Classic
  • 2018 Saint Louis Norm Congress
  • 2017 Winter Chess Classic
  • 2017 Saint Louis Winter Invitational
  • 2017 Saint Louis Invitational
  • 2017 Champions Showdown
  • 2017 Fall Chess Classic
  • 2017 Saint Louis Rapid & Blitz
  • 2017 Sinquefield Cup
  • 2017 Match of the Millennials
  • 2017 U.S. Junior Championship
  • 2017 U.S. Girls' Junior Championship
  • 2017 Your Next Move
  • 2017 Paris GCT
  • 2017 Spring Chess Classic
  • 2017 U.S. Championship
  • 2017 U.S. Women's Championship
  • 2016 Saint Louis Autumn Invitational
  • 2016 Champions Showdown
  • 2016 Sinquefield Cup
  • 2016 U.S. Junior Closed
  • 2016 Saint Louis Invitational
  • 2016 U.S. Championships
  • 2016 U.S. Women's Championship
  • 2015 Showdown in Saint Louis
  • 2015 U.S. Championships
  • 2015 U.S. Junior Closed Championship
  • Kasparov vs. Short
  • 2014 Sinquefield Cup
  • 2013 Sinquefield Cup
  • 2013 U.S. Championships
  • 2013 U.S. Junior Closed Championship

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