[Event "Munich ol"] [Site "Munich ol"] [Round "0"] [White "Botvinnik"] [Black "Alexander"] [Result "1-0"] [FEN "r5k1/2p1q1b1/2Pp2p1/p2Pp1P1/1p6/3QBr2/PP6/2KR3R w - - 0 27"] {A world champion liquidates} 27. Qxg6 $1 Kf8 (27... Rxe3 28. Rdf1 $18) (27... Qf7 28. Qh7+ Kf8 29. g6 Qf6 30. Bh6 $1 Bxh6+ 31. Qxh6+ Qg7 32. Qh8+ $18) (27... Raf8 28. Qh7+ Kf7 29. Qh5+ Kg8 30. g6 R8f5 31. Qh7+ Kf8 32. Bh6 Bxh6+ 33. Qxh6+ Qg7 34. Qxg7+ Kxg7 35. Rdg1 $18) 28. Qe4 $1 Qf7 29. g6 Qf5 30. Qxf5+ Rxf5 31. Rdf1 {The key move, White reaches f7 with gain of tempo} 31... Rxf1+ 32. Rxf1+ Kg8 33. Rf7 Rc8 34. Kc2 e4 {Otherwise White plays Kd3} 35. b3 Bc3 36. Kd1 Be5 { Black's position is hopeless becuase he cannot exchange off the Rooks} (36... Rf8 37. Rxf8+ Kxf8 38. Bb6 $1) 37. Ke2 Bc3 38. Ba7 $1 1-0