The passed Pawn is a criminal that must be kept under lock and key. Mild measures, such as police surveillance, are not sufficient.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown212"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "Q5R1/8/8/5k2/2P2r2/3P4/3K4/7q b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Rf2+ 2. Kc3 ( { White can try: } 2. Ke3 Qe1+ 3. Kd4 Qe5# ) 2... Qe1+ 3. Kb3 ( { White can try: } 3. Kd4 Qe5# ) 3... Qb1+ 4. Ka4 ( { White can try: } 4. Kc3 Qb2# ) 4... Ra2# 0-1