Quick answer
Draw by Threefold Repetition is a rules question: a bare-king insufficient-material position. Work from the first evidence position for Draw by Threefold Repetition, and begin by testing Kd2.
Begin from Kd2 in 8/8/8/8/8/3K4/8/1k6 w - - 2 2. Read the side to move, legal conditions, history fields and procedural distinction before relying on a shortcut. The evidence answer is: Draw by Threefold Repetition: separate an automatic dead position from a draw claim that depends on history or procedure. Candidate line: Kd2 Kb2.
In the Draw by Threefold Repetition example, notice: side White; pieces White king d3, Black king b1; legal first moves Kc4, Kd4, Ke4, Ke3, Ke2, Kd2, Kc3. Keep the piece census tied to this diagram—other positions with the same theme can look completely different.
The exact condition
The first evidence board tests a bare-king insufficient-material position; the second board tests a bare-king insufficient-material position. Construction note: A = direct FEN setup; B = direct FEN setup. Rebuild each board before comparing labels. Hub vocabulary: Chess Wiki · Rules hub. Then compare Piece Movement with Checkmate Versus Stalemate, The Fifty Move Rule, Insufficient Material Draws around the identity used for repetition.
The two inventories make the distinction concrete. A contains side White; pieces White king d3, Black king b1; legal first moves Kc4, Kd4, Ke4, Ke3, Ke2, Kd2, Kc3; B contains side Black; pieces White king a3, Black king d2; legal first moves Kc3, Kd3, Ke3, Ke2, Ke1, Kd1, Kc1, Kc2. Compare the side to move before comparing the labels in the context of a malformed game record.
Topic dossier for this page and board pair r1:8 | r2:8 | r3:8 | r4:8 | r5:8 | r6:3K4 | r7:8 | r8:1k6 / r1:8 | r2:8 | r3:8 | r4:8 | r5:8 | r6:K7 | r7:3k4 | r8:8: start with the identity used for repetition; then test a malformed game record; keep the history that changes a right separate from the halfmove clock field; use the exact side-to-move condition as the transfer check; and reserve whether a square is attacked for the exception.
Procedure and counterexample
On the first board, calculate Kd2 Kb2 after Kd2 and write down the opponent's best reply around the identity used for repetition. On the second board, calculate Kc3 after Kc3 and check a malformed game record. Separate what the board proves from what only the move record, clock or arbiter can establish. In this case the useful condition is whether a square is attacked.
Key claim: Draw by Threefold Repetition is illustrated here by a bare-king insufficient-material position; the first concrete test is Kd2. The board anchor is 8/8/8/8/8/3K4/8/1k6; the example is intentionally narrower than the topic label and should not be generalised without checking the surrounding position..
Practical boundary: To answer “When is draw by threefold repetition legal, what exceptions matter, and how can a player verify the rule at the board?”, compare the recorded setup with Kc3 and the opponent's reply. The decision is useful only when the stated condition survives that concrete test on board 8/8/8/8/8/K7/3k4/8. The evidence records The position tests the stated rule or record field; verify the relevant source when a procedural decision matters and the second board signature r1:8 | r2:8 | r3:8 | r4:8 | r5:8 | r6:K7 | r7:3k4 | r8:8. The false-positive test is whether the history that changes a right appears without the halfmove clock field, so the conclusion is useful only when the stated condition survives that concrete test.
Evidence positions
example-1: a bare-king insufficient-material position
Show answer
Draw by Threefold Repetition: separate an automatic dead position from a draw claim that depends on history or procedure. Candidate line: Kd2 Kb2.
Why this position is here: Draw by Threefold Repetition is represented by a bare-king insufficient-material position. This is a direct FEN setup with board anchor 8/8/8/8/8/3K4/8/1k6; no opening history is inferred from the diagram.
FEN: 8/8/8/8/8/3K4/8/1k6 w - - 2 2
Question: What is the first concrete decision in this draw by threefold repetition position?
Answer cue: Draw by Threefold Repetition: separate an automatic dead position from a draw claim that depends on history or procedure. Candidate line: Kd2 Kb2. The first candidate to test is Kd2. Replay Kd2 Kb2 on board anchor 8/8/8/8/8/3K4/8/1k6 and write down what changes after it.
Evidence boundary: The position tests the stated rule or record field; verify the relevant source when a procedural decision matters.
example-2: a bare-king insufficient-material position
Show answer
Draw by Threefold Repetition: separate an automatic dead position from a draw claim that depends on history or procedure. Candidate line: Kc3.
Why this position is here: Draw by Threefold Repetition is represented by a bare-king insufficient-material position. This is a direct FEN setup with board anchor 8/8/8/8/8/K7/3k4/8; no opening history is inferred from the diagram.
FEN: 8/8/8/8/8/K7/3k4/8 b - - 5 3
Question: What is the first concrete decision in this draw by threefold repetition position?
Answer cue: Draw by Threefold Repetition: separate an automatic dead position from a draw claim that depends on history or procedure. Candidate line: Kc3. The first candidate to test is Kc3. Replay Kc3 on board anchor 8/8/8/8/8/K7/3k4/8 and write down what changes after it.
Evidence boundary: The position tests the stated rule or record field; verify the relevant source when a procedural decision matters.
Reading the record
Read the first example (id example-1) as a complete record: continuation Kd2 Kb2, source fide-laws. This is a direct FEN setup with board anchor 8/8/8/8/8/3K4/8/1k6; no opening history is inferred from the diagram. If A does not expose a bare-king insufficient-material position, correct the evidence before relying on the prose.
Read the second example (id example-2) separately: continuation Kc3, source fide-laws. Its feature is a bare-king insufficient-material position; inventory side Black; pieces White king a3, Black king d2; legal first moves Kc3, Kd3, Ke3, Ke2, Ke1, Kd1, Kc1, Kc2. Compare what changes between Kd2 and Kc3.
Common confusions
The main mistake to avoid with Draw by Threefold Repetition is remembering a simplified slogan while overlooking a history field, exception or procedural condition. In A, the missing condition must be located in r1:8 | r2:8 | r3:8 | r4:8 | r5:8 | r6:3K4 | r7:8 | r8:1k6 after Kd2; in B, test it against r1:8 | r2:8 | r3:8 | r4:8 | r5:8 | r6:K7 | r7:3k4 | r8:8 after Kc3.
For Draw by Threefold Repetition, the first board's evidence boundary (after Kd2) is The position tests the stated rule or record field; verify the relevant source when a procedural decision matters. The second board's evidence boundary for Draw by Threefold Repetition is The position tests the stated rule or record field; verify the relevant source when a procedural decision matters. If a trusted source or careful calculation changes the conclusion around the exact side-to-move condition, update both the evidence record and this article.
Practice with a position
rebuild the position from the initial board, change one condition, and explain exactly which rule changes the result. Start with A's side to move and r1:8 | r2:8 | r3:8 | r4:8 | r5:8 | r6:3K4 | r7:8 | r8:1k6; record two candidates, the reply to Kd2 Kb2 and the correction. Repeat with B's side to move and r1:8 | r2:8 | r3:8 | r4:8 | r5:8 | r6:K7 | r7:3k4 | r8:8; the changed board tests transfer rather than diagram memory.
After the drill, compare your notes with Checkmate Versus Stalemate, The Fifty Move Rule, Insufficient Material Draws through the halfmove clock field. Keep A's rejected alternative beside B's chosen line Kc3; this shows whether the conclusion survived a new board signature.
Sources and scope
Sources for Draw by Threefold Repetition: FIDE Laws of Chess, 1chess.online editorial scope. Source ids are fide-laws, original-analysis. Primary evidence hook: fide-laws. Comparisons and practice notes are editorial. Evidence revision: 2026-08-remediation-r2.
Scope note for board pair r1:8 | r2:8 | r3:8 | r4:8 | r5:8 | r6:3K4 | r7:8 | r8:1k6 / r1:8 | r2:8 | r3:8 | r4:8 | r5:8 | r6:K7 | r7:3k4 | r8:8: this page does not claim that Kd2 Kb2 is an engine principal variation, that an exact endgame result is verified when the evidence says it is not, or that a tool output replaces human calculation. The conclusion is limited to the recorded boundary and the exception the history that changes a right.