1.c4   c5   2.b3   Nf6   3.Bb2   g6   4.Bxf6 A beautiful move. Black is inflicted with a weak square at d5 4... exf6   5.Nc3   Bg7   6.g3 White is aiming his pieces at d5 6... Nc6   7.Bg2   f5   8.e3 That's the difference between d5 and d4. White owns d5, black owns not d4 8... O-O   9.Nge2   a6   10.Rc1   b5   11.d3   Bb7   12.O-O   d6   13.Qd2   Qa5   14.Rfd1   Rab8   15.Nd5   Qxd2   16.Rxd2   b4   17.d4   Rfd8   18.Rcd1   cxd4   19.exd4   Kf8   20.c5   Na7   21.Ne3   Bxg2   22.Kxg2   dxc5   23.dxc5 The weakness is converted to a passer. The problem remains. 23... Rxd2   24.Rxd2   Rc8   25.Nd5   Rxc5   26.Nxb4   a5   27.Nd5   Rc6   28.Ne3 Again the advantage of white has converted, but the problem remains. 28... Rc5   29.Nf4   Bh6   30.Rd5   Rxd5   31.Nfxd5   Bxe3   32.Nxe3   Ke7   33.Nc4   Nc6   34.Kf3   Ke6   35.Ke3   Kd5   36.a3   Ke6   37.Kd3   Kd5   38.f3   h6   39.Kc3   h5   40.Kd3   f6   41.f4   g5   42.Ne3+   Ke6   43.h4   gxh4   44.gxh4   Ne7   45.Kc4   Ng6   46.Ng2   Kd6   47.Kb5   Kd5   48.Kxa5 By milking the weakness white has got a real material advantage Ke4   49.b4   Kf3   50.b5   Kxg2   51.b6   Nf8   52.Kb5   Nd7   53.a4   Nxb6   54.Kxb6   Kf3   55.a5   Kxf4   56.a6   Ke3   57.a7   f4   58.a8=Q   f3   59.Qe8+ 1-0