[Retros] Update of the Retro Corner

[Hirokaz ONODA]

Hi again,


> - Shortest Proof Games ending in a Double Mate by a Knight 


After the list on Sep. 6, Mario Richter posted some new records.
The recent record table is as follows.
(I thought I had posted this. I'm sorry.)


1.d4 a5 2.d5 a4 3.d6 a3 4.dxc7 axb2 5.cxb8N Qc7 6.Nd2 Qxc2 7.Ne4 Qb3 8.Kd2
Rxa2 9.Qe1 b1N# (Andrew Buchanan, 2007)
1.d4 e6 2.d5 Qf6 3.d6 Ne7 4.dxc7 d5 5.Qxd5 Bd7 6.Qxb7 Nd5 7.Bd2 Ke7 8.Ba5
Be8 9.c8N# (Hirokaz Onoda, 2006)
1.d4 e5 2.d5 Qf6 3.d6 Qf3 4.exf3 f6 5.Bb5 Kf7 6.Bxd7 Nc6 7.Bxc8 Nce7 8.d7
Ke6 9.d8N# (Roberto Osorio, 2007)
1.d4 g6 2.d5 Bg7 3.d6 Kf8 4.Qd5 Bd4 5.Bg5 Kg7 6.Bxe7 Qf8 7.Bd8 Ne7 8.dxe7
Kf6 9.e8N# (Paul Raican, 1996)
1.d4 f6 2.d5 Kf7 3.d6 Kg6 4.de d5 5.e4 Bf5 6.e5 Nd7 7.ef6 Rb8 8.f7 Ngf6
9.e8=Q Bc5 10.f8N# (Noam D. Elkies, 2006)
1.h4 f5 2.h5 f4 3.h6 f3 4.hxg7 fxe2 5.Rxh7 exf1N 6.Qg4 e5 7.Qg6 Ke7 8.g4
Nh6 9.g8N# (Roberto Osorio, 2007)

1.c4 e6 2.c5 Ke7 3.c6 Kd6 4.cxb7 c6 5.Qa4 Kc7 6.Qxa7 Bd6 7.bxa8N# (Hirokaz
Onoda, 2006)
1.c4 d5 2.Qb3 dxc4 3.Qb4 Qd4 4.b3 cxb3 5.Kd1 bxa2 6.Kc2 Qxa1 7.Kb3 Be6
8.Ka3 axb1N# (Mario Richter, 2007)
1.d4 e6 2.d5 Bc5 3.d6 Ne7 4.dxc7 d6 5.Qd5 Kd7 6.Qxb7 Re8 7.cxb8N# (Hirokaz
Onoda, 2007)
1.c4 d5 2.cxd5 Nc6 3.dxc6 a6 4.cxb7 Kd7 5.d3 Kc6 6.Qc2 Kb6 7.Qxc7 Ka7
8.bxc8N# (Mario Richter, 2007)
1.c4 e6 2.c5 Ke7 3.c6 Qe8 4.cxd7 Nc6 5.Qc2 Nd8 6.Qxc7 Nf6 7.dxc8N# (Mario
Richter, 2007)
1.f4 e5 2.fxe5 Bd6 3.exd6 b6 4.dxc7 Ke7 5.e4 Kd6 6.Qg4 Kc6 7.Qxd7 Kb7
8.cxd8N# (Mario Richter, 2007)
1.d4 b5 2.d5 Bb7 3.d6 Be4 4.dxe7 Bg6 5.e4 f6 6.Qxd7+ Kf7 7.exd8N# (Joerg
Varnholt 1996)
1.e4 c6 2.e5 Qb6 3.e6 Kd8 4.exd7 e6 5.a3 Bxa3 6.Qf3 Ne7 7.Qxa3 Ng6 8.Qe7
Kc7 9.Ra6 Re8 10.dxe8N# (Hirokaz Onoda, 2006)
1.e4 g6 2.e5 Bh6 3.e6 Bxd2 4.Qxd2 Kf8 5.Qxd7 Kg7 6.Qxe7 Bd7 7.exf7 Be8
8.fxe8N# (Hirokaz Onoda, 2007)
1.h4 d5 2.Rh3 d4 3.Rc3 d3 4.Nf3 dxe2 5.d3 Qd4 6.Kd2 Qxf2 7.Ne1 exf1N#
(Hirokaz Onoda, 2007)
1.h4 d6 2.h5 Bf5 3.h6 Bxc2 4.hxg7 Bf5 5.d3 f6 6.Nd2 Kf7 7.Qb3 Kg6 8.Qxg8 e6
9.gxf8N# (Hirokaz Onoda, 2007)
1.d3 g5 2.Bf4 g4 3.Bxc7 g3 4.Ba5 Qc7 5.e3 gxf2 6.Ke2 Qxh2 7.Be1 Qxg2 8.c3
fxg1N# (Hirokaz Onoda, 2007)
1.h4 g5 2.Rh3 gxh4 3.Rc3 h3 4.Rxc7 Qxc7 5.f3 Qh2 6.Kf2 Qh1 7.Kg3 h2 8.Kh3
h5 9.g3 hxg1N# (Hirokaz Onoda, 2007)
1.h4 d5 2.h5 d4 3.h6 Qd5 4.hxg7 Qxg2 5.Rxh7 Qh1 6.Bh3 f6 7.Bd7+ Kf7
8.gxh8N# (Olli Heimo 1996)


By the way, this list is a section of
Shortest Proof Games ending in a Pawn Mate

Best wishes,
Hirokaz
 

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