[Retros] one man PGs

[Göran Wicklund]

Two tries.



One half more longer than Nicolas':

+---+---+---+---+---+---+---+---+

|*R |*N |*B |*Q |*K |*B |*N | . |

+---+---+---+---+---+---+---+---+

|*N |*P |*P |*P | . |*P | . |*P |

+---+---+---+---+---+---+---+---+

|   | B |   | . |   | . |   | . |

+---+---+---+---+---+---+---+---+

| . | K | . |   | . |   | . |   |

+---+---+---+---+---+---+---+---+

|   | . |   | . |   | . |   | . |

+---+---+---+---+---+---+---+---+

| N |   | . |   | . |   | . |   |

+---+---+---+---+---+---+---+---+

|   | P | P | P | P | P | P | . |

+---+---+---+---+---+---+---+---+

| . |   | . |   | . |   | . |   |

+---+---+---+---+---+---+---+---+

SPG 20.0



1.h4 a5 2.Rh3 a4 3.Rb3 axb3 4.Na3 bxa2 5.Rb1 axb1=N 6.h5 Nc3 7.h6 Na2 8.hxg7 Nxc1 9.gxh8=B Na2

10.Bf6 Nc3 11.Bxe7 Nxd1 12.Bc5 Ne3 13.Bb6 Nxf1 14.Kd1 Nh2 15.Kc1 Nf3 16.Kb1 Nxg1 17.Ka2 Nf3

18.Kb3 Nd4+ 19.Kc4 Ndc6 20.Kb5 Na7+



Variation of this, where the black pawn(knight) is captured:



Remove knight a7 in above diagram.

SPG 19.5

....19.Kc4 Nb5 20.Kxb5



/Göran











-----Original Message-----
From: Retros [mailto:retros-bounces at janko.at] On Behalf Of Nicolas Dupont
Sent: 17 May 2016 22:04
To: retros at janko.at
Subject: Re: [Retros] one man PGs



>  DEAR NICOLAS, PERHAPS YOUR ARE THINKING OF THE FOLLOWING PAPER:

> NICOLAS DUPONT (!), "UN CAMP INTACT EN FIN DE PARTIE

> JUSTIFICATIVE", IN: PHÉNIX 167 OF NOVEMBER 2007, PAGES

> 7387-7389.THERE, YOU QUOTE A PG IN 17.5 BY THIERRY LE GLEUHER IN WHICH

> WHITE ONLY MOVES HIS SB1 (PROBLEMESIS 2004; PDB: P1067246);AND THEN

> YOU QUOTE A LONGER PG IN 19.5 BY NICOLAS DUPONT (!) IN WHICH WHITE

> ALSO ONLY MOVES HIS SB1 (FRANCE-ECHECS 2007)



Ha ha ha, thanks Bernd! The game goes as follows:



1.Cç3 g5 2.Cd5 g4 3.C×é7 g3 4.Cg6 Fb4 5.Cf8 Cé7 6.C×h7 Cg6 7.Cg5 Th6

8.C×f7 Ch8 9.Cé5 Tb6 10.Cç6 d6 11.C×a7 Fé6 12.Cç6 Cd7 13.Ca5 Db8

14.C×b7 Da7 15.Cç5 0-0-0 16.Ca6 Rb7 17.C×ç7 Tç8 18.Cb5 Tç3 19.Ca3 Fç4

20.Cb1



Is it still a length record for "a side moves only one piece"? Or still a length record where moreover the thematic side is home-sided?



Best,



Nicolas.



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