[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