[Retros] Pawn to the 7th, + vacant rooms

[Hirokaz ONODA]

>   1.d2-d3 c7-c6    2.Bc1-e3 Qd8-a5+  3.Qd1-d2 Qa5*a2

>  4.Qd2-a5 Qa2*a5+

>   5.Sb1-d2 Qa5-b5  6.0-0-0 a7-a5     7.Kc1-b1 a5-a4 

>  8.Kb1-a1 a4-a3 

>   9.Rd1-b1 a3*b2 ##


Hi,

Very simple and neat.
 
For "Pawn to the 7th, double checkmates"
bxc, cxd, fxe, gxf, fxg are still vacant.

bxa  11.bxa7#
axb  9...axb2#/10.axb7#
cxb  9.cxb7#
bxc  ...
dxc  9.dxc7#
cxd  ...
exd  7...exd2#/8.exd7#
dxe  8.dxe7#/8...dxe2#
fxe  ...
exf  8.exf7#
gxf  ...
fxg  ...
hxg  8.hxg7#
gxh  9.gxh7#/10...gxh2#

Amici Sumus,
Hiro


--------------------------------------
Yahoo! JAPAN Search Word Ranking 2006
http://pr.mail.yahoo.co.jp/search/