▁for ▁which ▁I ▁had ▁aim ed ▁in ▁my ▁prepar atory ▁analysis ! ▁Black ▁has ▁achieved ▁obvious ▁advantage . ▁White ▁scattered ▁his ▁minor ▁pieces ▁about ▁on ▁either ▁fl ank ▁and ▁are ▁quite ▁unable ▁to ▁coordinate , ▁the ▁pla cement ▁of ▁the ▁kn ights ▁being ▁particularly ▁de press ing . ▁But ▁Black ▁has ▁the ▁wonderful ▁du o ▁of ▁B f 5 ▁and ▁N d 3 ▁which ▁completely ▁par aly zes ▁all ▁three ▁White ▁major ▁pieces — a ▁very ▁rare ▁occurrence ▁in ▁a ▁practical ▁game !" ▁▁▁▁ 2 0 . B g 3 ▁R c 8 ▁ 2 1 . b 3 ▁g 5 ▁ 2 2 . B x d 6 ▁Q x d 6 ▁ 2 3 . g 3 ▁N d 7 ▁ 2 4 . B g 2 ▁Q f 6 ▁ 2 5 . a 3 ▁a 5 ▁ 2 6 . ax b 4 ▁ax b 4 ▁ 2 7 . Q a 2 ▁B g 6 ▁ 2 8 . d 6 ▁g 4 ▁ 2 9 . Q d 2 ▁K g 7 ▁ 3 0 . f 3 ▁ ▁Kas par ov ▁has ▁slowly ▁been ▁building ▁up ▁the ▁pressure ▁on ▁Kar p ov ' s ▁position , ▁and ▁Kar p ov ▁finally ▁dec ides ▁to ▁try ▁to ▁break ▁out . ▁▁ 3 0 . ▁... ▁Q x d 6 ▁ 3 1 . fx g 4 ▁Q d 4 + ▁ 3 2 . K h 1 ▁N f 6 ▁ 3 3 . R f 4