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Retro Problems published in 2005 - SOLUTIONS

1483 - Antonio Garofalo
Orbit 25, 2005

1.Nf3 h5 2.Ne5 Rh6 3.Nxd7 Rf6 4.Nxb8 Bh3 5.g4 Qxb8 6.Bxh3 Kd7 7.OO Rxf2 8.g5+ f5 9.gxf6ep+ Kc6 10.fxe7 Nf6 11.e8=N


1484 - Diyan Kostadinov
Orbit 25, 2005

1.c4 d6 2.Nc3 Kd7 3.Rb1 Kc6 4.Qa4+ Kc5 5.Qd7 Kb4 6.Kd1 c5 7.Kc2 Qa5 8.Kd3 Qa4 9.a3+ Kb3 10.Ke4 f5+ 11.Kxf5 Kc2 12.Ne4 Kd1 13.Ke6 Ke1 14.Kf7 Qd1 15.Qd8 Be6+ 16.Ke8


1485 - Christoph Fieberg
Orbit 25, 2005

1.a4 b5 2.a5 Bb7 3.a6 Qc8 4.axb7 Na6 5.b8=N Qb7 6.Nc6 dxc6 7.d4 OOO 8.d5 Kb8 9.d6 Ka8 10.d7 Rb8 11.d8=N g5 12.Ne6 fxe6 13.f4 e5 14.f5 e4 15.f6 e3 16.f7 Nf6 17.h4 Rg8 18.h5 Rg6 19.hxg6 h5 20.g7 h4 21.g8=N Bg7 22.f8=N h3 23.Nd7 h2 24.Nb6+ axb6


1554 - Itamar Faybish
Orbit 26, 2005

1.e4 d5 2.Bc4 dxc4 3.Ne2 c3 4.OO cxd2 5.Re1 dxe1=N 6.Nd2 Nf3+ 7.Nxf3 e5 8.Nxe5 g6 9.Nxg6 hxg6 10.Ng3


1555 - Micheal Grushko
Orbit 26, 2005
In memory Alex Ettinger

1.c4 a5 2.c5 a4 3.c6 a3 4.cxb7 axb2 5.bxc8=N bxc1=B 6.Nd6+ exd6 7.a4 Be7 8.a5 Bf6 9.a6 Be5 10.a7 Nf6 11.axb8=B OO


1556 - Mario Parrinello
Orbit 26, 2005

1.f4 b5 2.f5 Bb7 3.f6 Bxg2 4.fxe7 Bxh1 5.exf8=R+ Ke7 6.b3 Qe8 7.Ba3+ Kd8 8.Qc1 Ne7 9.Rg8 Ng6 10.Bf8 Qe7 11.Qa3 Ke8 12.Qxa7 Qd8 13.Qf2 Ra5 14.Kd1 Na6 15.Qe1


1557 - Christoph Fieberg
Orbit 26, 2005

1.Nc3 d5 2.Ne4 dxe4 3.Nf3 exf3 4.h4 fxg2 5.h5 gxh1=R 6.h6 gxh6 7.Rb1 Bg7 8.Ra1 Bf6 9.Rb1 Bh4 10.Ra1 Nf6 11.Rb1 OO 12.Ra1 Kh8 13.Rb1 Rg8 14.Ra1 Rg6 15.Rb1 Qg8 16.Ra1 Ne8 17.Rb1 Ra6 18.Ra1 Qg1 19.Rb1 Bg4 20.Ra1 Nd7 21.Rb1 Rd8 22.Ra1


1619 - Frank Müller
Orbit 27, 2005

Author's solution:

1.e4 f5 2.Bc4 f4 3.Ne2 f3 4.OO fxe2 5.h4 exd1=Q 6.h5 Qxd2 7.h6 Qxc1 8.hxg7 Qxb1 9.gxh8=R Qxa1 10.Rxh7 Qxf1+ 11.Kxf1 Nh6 12.Ke1 Nf7 13.Rh1

A shorter solution (found by Mario Richter):

1.e4 h5 2.Qxh5 Nf6 3.Qxh8 Nd5 4.Nc3 Nxc3 5.Rb1 Nxb1 6.Qxg7 Nxd2 7.Nf3 Nxf3+ 8.Kd1 Nxh2 9.Bg5 Nf3 10.Bc4 Nxg5 11.Qxf7+ Nxf7 12.Ke1


1620 - Nicolas Dupont
Orbit 27, 2005
Dedicated to the memory of Guy Dupont

Author's solution:

1.h4 e5 2.h5 e4 3.h6 e3 4.hxg7 h5 5.a4 h4 6.a5 h3 7.a6 h2 8.axb7 Rh3 9.bxc8=N Rg3 10.fxg3 exd2+ 11.Kf2 a5 12.e4 a4 13.e5 a3 14.e6 a2 15.e7 Ra3 16.exf8=N Rb3 17.cxb3 d5 18.Qc2 d1=B 19.Ng6 Bg4 20.Be2 d4 21.Bf3 d3 22.Ne2 d2 23.Re1 dxc1=B 24.Nd2 h1=R 25.Nf1 Rh8 26.Nh4 Bh6 27.Rad1 Ne7 28.g8=Q+ Bf8 29.Qg5 a1=R 30.Qgc1 Ra8 31.Na7 Bc8

Cook (found by Gerd Wilts):

1.f4 d5 2.f5 d4 3.f6 d3 4.fxe7 dxc2 5.d4 b5 6.d5 b4 7.d6 b3 8.axb3 g5 9.Kf2 g4 10.exf8=N g3+ 11.hxg3 h5 12.e4 h4 13.Be2 h3 14.Bf3 h2 15.Ne2 Ba6 16.Re1 h1=Q 17.Ng6 Qg5 18.Nh4 Qh3 19.e5 Qc8 20.d7+ Kf8 21.e6 Kg7 22.dxc8=N Qxc1 23.Nxa7 Qd2 24.e7 Qd8 25.e8=Q c1=B 26.Qc2 Bh6 27.Qe3 Kf8 28.Nd2 Ne7 29.Nf1 Ke8 30.Rad1 Bf8 31.Qec1 Bc8


1698 - Vlaicu Crisan & Eric Huber
Orbit 28, 2005

-1.Rg6xRg8 & 1.Rh6#; -1.f7xNg8 & 1.f8N#


1699 - Gligor Denkovski
Orbit 28, 2005

1.h4 e6 2.Rh3 Qxh4 3.Rg3 Be7 4.f4 Bd8 5.f5 Ne7 6.f6 OO 7.fxg7 Qg4 8.gxf8=N Kg7 9.Nxd7 Bxd7 10.Rh3 Be8 11.Rh1 Nd7


1700Paul Raican
Orbit 28, 2005

1.h4 a5 2.Rh3 Ra6 3.Rb3 Rd6 4.Rb6 Nc6 5.Ra6 Nb4 6.Ra8 Nxa2 7.Rxc8 Nxc1 8.Ra3 Nxe2 9.Rf3 Nxg1 10.Bd3 Nh3 11.Ke2 Nf4+ 12.Ke3 Nd5+ 13.Kd4 Nb4+ 14.Kc5 Nc6 15.Qh1 Nb8


1701 - Itamar Faybish
Orbit 28, 2005

1.f4 b6 2.f5 Bb7 3.f6 Bf3 4.e4 Qc8 5.Bc4 Qb7 6.Be6 Qd5 7.c4 Nc6 8.Qa4 OOO 9.b3 Kb7 10.Ba3 Rc8 11.Bd6 Nd8 12.Na3 c5 13.Qc6+ Ka6 14.Rc1 Ka5 15.Rc3 Kb4 16.Re3 a5 17.d3 Kc3 18.Ne2+ Kb2 19.Nc3 Kc1 20.Ncb1