[Event "URS-ch08"] [Site "Leningrad"] [Date "1933.??.??"] [Round "?"] [White "Botvinnik, Mikhail"] [Black "Yudovich, Mikhail M"] [Result "1-0"] [ECO "D96"] [Annotator "peter"] [SetUp "1"] [FEN "r1b2r2/1p1n2bk/1np1p1pp/p7/3PN3/qP2BN2/2Q1BPPP/2RR2K1 w - - 0 21"] [PlyCount "5"] [EventDate "1933.08.16"] [EventType "tourn"] [EventRounds "19"] [EventCountry "URS"] [SourceTitle "URS-ch"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] {[#]} 21. Nh4 $1 (21. Neg5+ {is too hasty} hxg5 22. Nxg5+ Kg8 23. Qxg6 Nf6 { and Black can hold}) 21... Qe7 (21... Rf5 22. g4 $1 $18) (21... a4 22. Rb1 axb3 23. Rxb3 Qa2 24. Rb2 Qa4 25. Qb1 $18 {keeps the queens on for White}) (21... Nd5 22. Nxg6 Kxg6 (22... Kg8 23. Nxf8 $18) 23. Bh5+ {again wins}) 22. Nxg6 $1 ( 22. Ng5+ hxg5 23. Nxg6 {wins but Botvinnik's way is even stronger}) 22... Kxg6 23. Bh5+ $1 {And Black resigned in view of the following forced mates} (23. Bh5+ $1 Kxh5 (23... Kh7 24. Nf6+ Kh8 25. Qh7#) 24. Ng3+ Kg4 25. Qe4+ Rf4 26. Qxf4#) 1-0