First rank versus seventh

First rank versus seventh
White would like to increase her pressure against g7 via the seventh rank. 39.Ra7 in the diagram position can be parried in two ways. Which move gives Black the advantage?
A) 39...Rb7
B) 39...Qe1+
C) neither, White always has equality
Solution
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1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 a6 9.Na3 b5 10.Nd5 Be7 11.Bxf6 Bxf6 12.c3 Bg5 13.Nc2 0-0 14.Be2 Ne7 15.Nce3 Bxe3 16.Nxe3 Bb7 17.Bf3 Qb6 18.0-0 Rad8 19.a4 bxa4 20.Rxa4 Bc6 21.Ra2 Qb7 22.Nd5 Nxd5 23.exd5 Bd7 24.Qd2 Bb5 25.Rfa1 f5 26.b3 e4 27.Bd1 Bd3 28.c4 Ra8 29.h3 f4 30.Bc2 Bxc2 31.Qxc2 e3 32.Qd3 Rae8 33.fxe3 Rxe3 34.Qd4 Qe7 35.Rf2 f3 36.Rxa6 fxg2 37.Rxg2 Rxh3 38.Ra1 Rxb3 38...g6! 39.b4 Rh4 40.Qc3 Qe4! 41.Re1 Qf5! 39.Ra7 Rb7 39...Qe1+?? 40.Kh2 Rh3+ 41.Kxh3 Qh1+ 42.Kg3 Qe1+ 42...Rf6 43.Ra8+ Kf7 44.Qa7+ Kg6 45.Qe3 43.Kh2 39...Rb1+ 40.Kh2 Rb7 40.Rxb7? 40.Qxg7+! Qxg7 41.Rxb7! Rf7 42.Rxg7+?? 42.Rb8+ Rf8 43.Rb7= 42...Rxg7+ 43.Rxg7+ Kxg7 40...Qxb7 41.c5 Qa7 42.Kh2 dxc5 43.Qc4 Rd8 44.d6+ Qf7 45.Qxc5 Qf4+ 46.Kg1 Qxd6 47.Qg5 Qd4+ 48.Kh2 Rd5 49.Qh6 Qe5+ 0–1
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Manakova,M | 2273 | Muzychuk,M | 2521 | 0–1 |
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Oliver Reeh has been authoring the tactics section in the ChessBase Magazine for many years. Recently, the Magazine introduced a new, exciting feature to the column: the interactive video format, which allows you to test variations directly and to get immediate feedback. Try and enjoy!
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