Examples
Korchnoi vs. Karpov, 1978
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Position after 124. Bc3-g7, stalemate
Fischer vs. Petrosian, 1971
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Position after 30. Qe2, after 32. Qe2, and after 34. Qe2, draw by threefold repetition
Timman vs. Lutz, 1995
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Position after 121... Rb5+, draw by fifty-move rule
Vidmar vs. Maróczy, 1932
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Draw because of insufficient material to checkmate
checkmate is impossible
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Draw. No sequence of legal moves can lead to checkmate.(Mednis 1990:43)
Petrosian vs. Fischer, 1958
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Position after 67. f7, draw agreed