Fair Play Is a Procedure, Not a Public Accusation
Competitive fair play combines the Laws of Chess with dedicated fair-play regulations, event protection measures and—in online or hybrid events—additional supervision and platform rules. The correct response to suspicious conduct is to preserve facts and use the official process, not to infer guilt from an engine-match impression.
Electronic-device rules are strict but event-sensitive: what may be stored, where it may be stored and which penalty applies can depend on the Laws and the event regulations. Supervised online chess and hybrid chess also have their own frameworks; neither should be treated as ordinary unsupervised internet play.
Fair play combines the Laws' restrictions on advice/devices with separate FIDE Fair Play Regulations and event protection measures.
Online and hybrid competition add technical identity, supervision and platform layers.
Core rule Suspicion starts a process; it is not itself a verdict. Use official reporting and investigation channels rather than public accusation.
- the Laws of Chess — Rules & Legal Game States owns legal chess moves and game-ending states.
- algebraic-notation guidance — Notation, Recording & Chess Data owns notation/PGN/FEN literacy; competitive tournament procedure owns competition recording obligations.
- variant-specific guidance — Chess Variants & Alternative Forms owns variant-specific rules such as Chess960 castling; competitive tournament procedure owns generic competition administration around a variant event.
Over-the-Board Fair Play
What Fair Play Covers
Fair play covers preventing, detecting, reporting and adjudicating cheating and other manipulation/violations under the applicable FIDE Laws, Fair Play Regulations and event measures.
No Notes
During a game, players may not use notes.
No Advice
During a game, players may not receive/use advice or outside information sources.
No External Analysis
External analysis—including engine or another board/resource—is prohibited during play under the current Laws and fair-play framework.
Electronic Devices
Current Article 11.3.2 forbids a player from having an electronic device not specifically approved by the arbiter in the playing venue.
Approved vs Unapproved Device
An arbiter-approved device or event-authorized technical equipment is different from an unapproved personal electronic device; permission must be explicit.
Powered-Off Bag Exception Where Event Allows
Current event regulations may allow devices to be stored in a player's bag if completely switched off and placed as agreed with the arbiter; players cannot access the bag without permission.
Device on Person — Current Law
If it is evident that a player has a forbidden electronic device on their person in the playing venue, current Article 11.3.2.2 prescribes loss, with the opponent winning subject to the mating-score framework/event provision.
Event May Specify Different Penalty
Current Law allows event regulations to specify a different, less severe electronic-device penalty.
Formal Fair-Play Procedure
Fair Play Definitions
FIDE Fair Play Regulations define cheating and other fair-play violations in a separate regulatory framework beyond ordinary board procedure.
Fair Play Regulations
The current FIDE Fair Play Regulations were approved in November 2024 and are published in the Handbook's Anti-Cheating/Fair Play section.
Protection Measures
Protection measures define event-security procedures proportionate to competition level; do not invent one universal screening protocol.
Tournament Complaint
FIDE provides an official Tournament Complaint channel/form for relevant fair-play complaints arising during an event.
Post-Tournament Complaint
FIDE also provides a Post-Tournament Complaint channel/form; use the current procedural rules for admissibility/evidence.
Online Supervision Rules
Online competitions with supervision can be subject to separate FIDE fair-play supervision rules in addition to platform measures.
Procedural Rules
Fair Play Commission procedural rules govern how complaints/investigations are handled; public commentary is not a substitute for the process.
Suspicion ≠ Proof
Suspicion ≠ proof. Unusual play, a surprising result or an engine-like sequence can justify concern/investigation but not a public factual conclusion by itself.
Engine Correlation ≠ Standalone Proof
Engine correlation or statistical similarity can be relevant evidence in a formal investigation, especially online, but should not be presented by ordinary observers as standalone proof of cheating without the full evidentiary/procedural context.
Report Through Official Channel
Report concerns through the arbiter, organiser, platform or FIDE fair-play channel specified for the event.
Avoid Public Accusation
Avoid public accusation before due process; preserve factual observations/evidence and use the competent authority.
Online Competition
FIDE Online Chess Regulations
FIDE publishes separate Online Chess Regulations for online, supervised-online and hybrid competition.
Online Playing Environment
The online playing environment includes the playing zone/platform, technical connection and any supervision setup defined by the competition.
Platform Interface
The platform interface becomes part of competitive execution online; event rules must specify the playing zone and relevant technical procedures.
Technical Failure
Technical failure can require event-specific remedies; online rules distinguish platform/connection issues from ordinary chess mistakes.
Connection Loss
Connection loss is governed by the event/platform's current online regulations, not one universal OTB flag rule pasted onto internet play.
Identity / Supervision
Supervised online events can impose identity, camera/screen-sharing, room/device and arbiter-supervision requirements.
Platform Fair-Play Rules
Platform fair-play rules can add service-specific detection/enforcement procedures and must be distinguished from FIDE disciplinary rules.
Platform Rating ≠ FIDE Rating
A platform rating is not a FIDE standard/rapid/blitz rating even when the platform hosts FIDE-related events.
Hybrid Competition
Hybrid Chess
Hybrid chess is a distinct supervised competition form where players are physically supervised at venues while moves are transmitted/played online.
Supervised Physical Venue
Hybrid competition uses supervised physical venues rather than players competing unsupervised from arbitrary private locations.
Cameras / Arbiters
Hybrid events can use cameras/arbiters and other supervision according to the current Online/Hybrid regulations and event rules.
Rating/Title Eligibility Depends on Current Regulation
Whether a hybrid event is eligible for FIDE rating/title purposes depends on the current Rating/Title/Hybrid regulations and approvals; supervision alone is not sufficient.
Hybrid ≠ Ordinary Online Chess
Hybrid ≠ ordinary online chess. The regulatory/supervision model and rating/title possibilities can differ substantially.
Verification & Case Analysis
Read Event Regulations
Read the event regulations before competition because they connect Laws, fair-play, online/hybrid, device and technical-failure procedures.
Identify Governing Rules
Identify governing rules in order: event type → OTB/online/hybrid → time control → rating/title status → fair-play protection level → event-specific regulations.
Competition-Procedure Case Study
Competition-procedure case studies should require rule identification, player action, arbiter authority, result/penalty and appeal path.
Swiss Pairing Case Study
Swiss-pairing case studies should distinguish pairing system, TPN, scoregroup/bracket, float, colour preference and bye types.
Tie-Break Case Study
Tie-break case studies should use the event's announced 2026-current definitions/order and explicit unplayed-round handling.
Rating Calculation Case Study
Rating cases should state rating-list date, player ratings, expected score, K, 400-point treatment and period cap.
Norm / Direct-Title Case Study
Norm/direct-title cases should distinguish title performance, norm requirements, rating requirement, direct-title table and conditional award.
Team Event Case Study
Team-event cases should distinguish board result, GP, MP, lineup/captain rules and team tie-break.
Fair-Play Case Study
Fair-play cases should separate observable facts, reporting channel, evidence preservation, investigation and final decision.
Domain Mastery Set
The Domain Mastery Set should mix Laws procedure, clocks, illegal moves, claims, appeals, Swiss/tie-breaks, ratings/titles, teams and fair-play/online/hybrid scenarios using date-stamped source packets.
Readiness for History/Culture/Composition/Variants
Keep current competition procedure separate from historical or variant conventions so that older practices are not accidentally taught as current tournament law.
Evidence, Process and Standard of Claim
Fair-play analysis becomes dangerous when three different things are collapsed into one:
- an observation — unusual behaviour, device, statistical signal or platform alert;
- an investigation — evidence collection under the applicable process;
- a finding or sanction — a decision by the competent authority.
Only the third is an official conclusion. Engine similarity, move accuracy or a public accusation is not a substitute for the formal process.
For content and case studies, phrase the evidence at its actual strength: “a complaint was filed,” “the platform flagged the account,” “the arbiter observed a device,” or “the disciplinary body found a violation.” Those statements are not interchangeable.