[Event "Moscow"] [Site "?"] [Round "0"] [White "Muhring"] [Black "Johannessen"] [Result "0-1"] [ECO "E70"] [Opening "King's Indian: 4.e4 d6"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. Nge2 O-O 7. Bg5 c6 8. Qd2 Nbd7 9. O-O-O a6 {White will attack on teh Kingside; Black on the Queenside. black's move is very much to the point} 10. Kb1 (10. d5 c5 11. g4 $1 Qa5 12. Ng3) 10... b5 11. d5 b4 12. Na4 cxd5 13. cxd5 Qa5 14. b3 Nb6 15. Nb2 { BLACK TO MOVE: How to build the attack?} (15. Nxb6 Qxb6 { Black gets his attack in first with ... Pa5-a4}) 15... Nfxd5 $3 {A very supr ising Knight sacrifice which in any event gives Black excellent attacking chances} 16. exd5 Bf5+ 17. Ka1 Rfc8 { White must also reckong with ... Pe4 opening the KID diagonal} 18. Ng3 { prevents ... Rc2 BLACK TO MOVE:} (18. Rc1 {Black would have the choice of capturing on d5 - with or without ... Rxc1 - or by playing ... Pe4 with unfathomable complications}) 18... Bc2 $1 (18... Rc2 19. Nxf5 Rxd2 20. Ne7+ Kf8 21. Rxd2 f6 22. Nc6 {Retaining a Rook and Two Minor pieces for the Queen}) 19. Bc4 {BLACK TO MOVE: How to continue the attack?} (19. Rc1 Bxb3) 19... Rxc4 $1 { Based on the latent strength of the Bishop lurking on g7} 20. bxc4 (20. Nxc4 $2 e4+ 21. Nb2 Bxb3) 20... Bb3 {Black's attack is overwhelming} 21. Na4 e4+ 22. Kb1 Nxa4 23. axb3 Nc3+ 24. Qxc3 $8 (24. Kb2 Qa2+ 25. Kc1 Qb1#) 24... bxc3 25. Nxe4 Rb8 26. Kc2 Qa2+ 27. Kd3 Rxb3 0-1