OFFICIAL - US Chess Federation

OFFICIAL

RULES OF CHESS 7TH EDITION

FREE DOWNLOAD VERSION: CHAPTERS 1, 2, 9, 10, 11 ONLY Revised January 1, 2022

Tim Just, Chief Editor US Chess National Tournament Director

FIDE National Arbiter

? 2022 by United States Chess Federation

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Summary Of Major US Chess Rules Updates In the Seventh Edition January 1, 2022 for chapters 1-2-9-10-11

5B1c: Added TD TIP. 14G: Added TD TIP. Chapter 9: All new as of October 1, 2021 Chapter 10, 15B: Added first new TD TIP. Chapter 10, 15B: Added second new TD TIP. Chapter 11, 17: Added wording to TD TIP.

Summary Of Major US Chess Rules Updates In the Seventh Edition August 24, 2020 for chapters 1-2-10-11

11D: Added wording regarding the timing of the claim and when the 2-minute penalty applies. A TD TIP was also

added.

11D1: Deleted extraneous wording. Chapter 10, Internet Chess: All new as of August 21, 2020

Summary Of Major US Chess Rules Updates In the Seventh Edition For Chapters 1+2+11

5B2: Advanced publicity time controls need to contain both the base time control and the delay/increment. 5C1: Both players must have the same time control. Addresses "Time odds" games not being ratable along with an additional TD TIP. 5E: Recommended Increment or delay: Old rule 5E is replaced with recommended increment and delay settings. 5E1: Increment or delay with mixed time controls: Subrule added to new rule 5E with wording addressing mixed time controls. 5E2: Organizer fails to specify increment or delay: Subrule added to new rule 5E with wording addressing the lack of a specified increment or delay. 5F: Standard timer: The entire text was replaced.

US Chess Federation's Official Rules of Chess, V 7th Edition, 1-1-22

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5F1: Standard timer for increment time controls: Defines the clock used for increment time controls.

5F1a: Increment capable clock not available: What to do when an increment clock is not available.

5F1b: Setting a non-increment capable clock for use with an increment time control: How to set non-increment clocks used in increment time control.

5F1b1: Variation: How the organizer may specify a different time control for Non-increment clocks.

5F2: Standard timer for delay time controls: Defines the clock that is used for delay time controls.

5F2a: Delay capable clock not available: What to do if a delay capable clock is not available for a delay time control.

5F2a1: Variation: How the organizer may specify a different time control for Non-DELAY clocks.

5F3: Standard timer for time controls with neither delay nor increment: Defines which clocks can be used when a delay clock is not available for a delay time control.

5F4: Digital clock preferred over analog clock: In all cases, a digital clock is preferred over an analog clock plus an added TD TIP

5F5: Replacement of non-standard timer in increment and delay time controls: The steps to take when a late arriving player substitutes a preferred increment or delay clock for a non-standard clock

5F6: Same clock used for the entire game.

5F7: Players responsible for knowing how to set the clock.

9D: Pawn Promotion. New wording makes the procedure of promoting a pawn clearer. Now the pawn is considered touched and must be promoted to the unreleased piece touching the promotion square.

10H: Piece touched off the board. Wording changes to be consistent with rule 9D. Once the piece off of the board touches the promotion square, the pawn must be promoted to that piece.

10I2: When castling, the King must be touched first.

10I2 Variation 1: Castling is allowed if the Rook is touched first.

11A: Illegal move in last ten moves: Added wording regarding time pressure and time recovered by players.

11D1: Illegal move in time pressure: Wording defining "time pressure" was added.

11H: Director corrects illegal move in non sudden death. Rule name changed (Director corrects illegal move outside of time pressure) along with added wording regarding non-time pressure situations.

14G: Both flags down in sudden death: Added wording regarding the observation of the flag fall and the game result.

14H: New wording eliminating insufficient losing chances.

Variation 14H: Old rule 14H is now an unannounced variation.

14K (new): Old 14K is replaced with: The TD (tournament director) can declare a draw if the same position has appeared 5 times in a row. The TD can declare a draw if 75 moves have been made without a pawn move or piece capture

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16D: Special rules for time pressure: Deleted wording replaced with added links. 16P1: Delay or increment not set: A new rule dealing with how to address the situation with clocks that are not set with the proper delay or increment. 16Q: Interruption of game: Added wording defining "interruption." 16R: Illegal moves: Rule name change with deleted wording replaced with added links. 21L1: The "good faith" deposit amount included when filing an appeal can be determined by the Executive Director. 28L2a Variation (announced): Giving the bye to a higher rated player. A variation that need not be announced in advance was added to rule 28L2. The variation allows assigning the bye to a higher rated player, rather than the lowest rated player, in the lowest score group in order to improve color assignments for the entire group. 29E8: Variation (unannounced) team pairings take precedence over color equalization. A variation that need not be announced in advance was added to rule 28E. Variation 29E8 avoids pairing players from the same team as a higher priority than equalizing player assigned colors in team/individual tournaments. 32B1: Special prizes, above and beyond the typical prize fund, should be announced and designated. 32B3: When pooling prizes, no player can receive a prize larger than the largest amount they would be eligible for without the split. 33D1: Added wording regarding special prizes. 35F10e: Added duties of an assistant to a blind or disabled player. 35F10g: Added duties of an assistant to a blind or disabled player. Blitz: An editor's Note: at the start of the chapter was added. Blitz: Rule 7c: has all new wording regarding the won game. Blitz: Added to rule 7d: wording regarding placing a king next to a king. Blitz: Rule 8: added wording after "Defining a draw" to make clear which draw claims are allowed. Blitz: Rule 14: deleted some wording regarding the claim of a win. Blitz: Rule 18: added a TD Tip regarding appeals.

Links in this document sometimes refer to chapters not available online and may not work as expected.

US Chess Federation's Official Rules of Chess, V 7th Edition, 1-1-22

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Contents

OFFICIAL .................................................................................................................................................... 1

RULES OF CHESS ................................................................................................................................... 1

7TH EDITION.............................................................................................................................................. 1

Tim Just, Chief Editor.................................................................................................................................... 1

US Chess National Tournament Director..................................................................................................... 1

SUMMARY OF MAJOR US CHESS RULES UPDATES IN THE SEVENTH EDITION FOR CHAPTERS 1+2+11 .....................2 CHAPTER 1: US CHESS FEDERATION'S.....................................................................................................................13 OFFICIAL RULES OF CHESS.......................................................................................................................................13

1. Introduction .....................................................................................................................................................13 1A. Scope.........................................................................................................................................................13 1B. Validity. ....................................................................................................................................................13 1C. Types of events. ........................................................................................................................................13

2. The Chessboard ...............................................................................................................................................14 2A. Explanation. ..............................................................................................................................................14 2B. Description. ...............................................................................................................................................14 2C. Placement. .................................................................................................................................................14 2D. Files...........................................................................................................................................................14 2E. Ranks.........................................................................................................................................................14 2F. Diagonals...................................................................................................................................................14

3. The Pieces........................................................................................................................................................14 3A. Each player's pieces..................................................................................................................................14 3B. Description of the pieces. ..........................................................................................................................14 3C. Initial position. ..........................................................................................................................................15 3D. Meaning of piece. .....................................................................................................................................16 3E. Other expressions involving pieces. ..........................................................................................................16

4. Objective and Scoring......................................................................................................................................17 4A. Checkmate. ...............................................................................................................................................17 4B. Other decisive outcomes. ..........................................................................................................................17 4C. Draws. .......................................................................................................................................................17 4D. Scoring......................................................................................................................................................17

5. The Chess Clock ..............................................................................................................................................17 5A. Time controls and time limits. ..................................................................................................................17 5B. Sudden death time controls. ......................................................................................................................18 5C. Ratable time controls. ...............................................................................................................................18 5D. Accumulation of time. ..............................................................................................................................20 5E. Recommended increment or delay. ...........................................................................................................20 5F. Standard timer. ..........................................................................................................................................20 5G. The flag.....................................................................................................................................................22 5H. Pressing the clock. ....................................................................................................................................22 5I. Stopping the clock. .....................................................................................................................................22 5J. Further details.............................................................................................................................................22

6. The Right to Move...........................................................................................................................................22 6A. The first move...........................................................................................................................................22 6B. A player on move. .....................................................................................................................................22

7. Definition of the Move ....................................................................................................................................23 7A. Basic definition. ........................................................................................................................................23 7B. Crossing an occupied square. ....................................................................................................................23 7C. Capturing...................................................................................................................................................23

8. The Moves of the Pieces..................................................................................................................................23 8A. The king. ...................................................................................................................................................23 8B. The queen..................................................................................................................................................23

US Chess Federation's Official Rules of Chess, V 7th Edition, 1-1-22

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