Mephisto Dallas 68020 x Novag Star Diamond

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Mephisto Dallas 68020–Novag Star Diamond½–½B01Computer chess gameOMPERICIAS-PC27.06.2020Tactical Analysis 3.0 (8s)

1.e4 d5 2.exd5 f6 3.b5+ d7 4.c4 g4 5.f3 c8 6.c3 bd7! 7.d3 b6! 8.ge2 fxd5 9.xd5 xd5 10.0-0 e6 11.e1 c5+ 12.d4 d6 13.xd5 13.h1= is more appropriate. 13...exd5 14.f4+ f8 15.xd5 xh2+ 16.xh2 xd5 17.b4+ g8 18.f4 18.e1± e6 19.e5 18...f5 18...a5 19.e7 e6 19.xc7± xc2 20.ac1 f5 21.fe1 h6 22.e8+ h7 23.xh8+ xh8 24.f8+ h7 25.e5! g5 26.xf7 26.xc8 h4+ 27.g1 e1+ 28.h2 h4+ 29.g1 e1+ 30.h2 h4+= 26...e6 27.xb7 And not 27.xe6 xc1 28.f5+ g8= 27...c8 28.f1 Weaker is 28.xc8 h4+ 29.g1 e1+ 30.h2 h4+ 31.g1 e1+ 32.h2 h4+= 28.e4+!+- and the rest is easy. f5 29.xc8 xe4 30.fxe4 28...c2

29.f4! g4 29...h5+ deserves consideration. 30.g1 g4 30.b4 Don't play 30.g1?! f5= Better is 30.f5± c8 31.f3 xf3 32.xf3 xb2 33.d5 30...xa2 31.g1 d2 31...f5= 32.a1 32.f5 c4 33.f3 xf3 34.xf3 32...g3 32...a6= remains equal. 33.e4+ White should try 33.f3± xf3 34.gxf3 33...g8 34.f5 34.xg7 f2+ 35.h1 h4+ 36.g1 xg7 37.xa7+ f7

38.xf7+! xf7 39.d5+ g6 40.g8+ h5 41.f7+ g4 42.e6+ xf4 43.e5+ g4 44.e6+ h5 45.f7+ g5 46.e7+ h5 47.f7+ g5 48.e7+ h5 49.f7+ 34...f2+= 35.h2 xf5 36.a8+ h7 ( -> ...Qh4+) 37.b7 White has counterplay h4+ 38.g1 f2+ The position is equal. 39.h2 h4+ 40.g1 f2+ 41.h2 Accuracy: White = 62%, Black = 68%. ½–½

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