[Retros] A 16-controlled square

[CAILLAUD Michel]

Hello,

19,5 moves to control 16 times the square f6 is possible :

2bqN1n1/1ppn1kpN/r4p1r/3N2Bn/3Qn1N1/8/P1P4P/R3KR2

1.f4 h5 2.f5 h4 3.f6 h3 4.fxe7 hxg2 5.exf8=N Rh6 6.Nh7 a5 7.Nc3 a4 8.e4 a3
9.e5 axb2 10.e6 b1=N 11.e7 Nxd2 12.Nh3 Ne4 13.Nf2 f6 14.Ng4 Kf7 15.Qxd7 Ra6
16.Qd4 Nd7 17.e8=N gxf1=N 18.Nd5 Nfg3 19.Bg5 Nh5 20.Rf1

Best,
Michel



On Fri, Sep 18, 2020 at 4:33 PM Éric Angelini <eric.angelini at skynet.be>
wrote:

> 20.5 moves to control 16 times the square c3:
>
> 1. a4 (d5)
> 2. a5 (d4)
> 3. a6 (d3)
> 4. axb (dxc)
> 5. bxB=N (cxQ=N)
> 6. Nb6 (Nf6)
> 7. Na4 (Ne4)
> 8. h4 (f5)
> 9. h5 (f4)
> 10. h6 (f3)
> 11. hxg (fxg)
> 12. Nf3 (g1=N)
> 13. g8=N (Nxe2)
> 14. Nxe7 (Na6)
> 15. Nd5 (Nb4)
> 16. Ra3 (Na2)
> 17. Rxh (Qf6)
> 18. Rxc (Rh3)
> 19. Rc2 (Bb4)
> 20. Nd4 (Rc8)
> 21. Nb5
>
> Best,
> É.
>
>
> > Le 18 sept. 2020 à 14:45, Rewan Demontay <rewandemontay at gmail.com> a
> écrit :
> >
> > 
> > Juha Saukkola, how is e3/36 any faster? Using d3/d6 allows for the
> d-file pawn to march forward two moves and capture with two attacks on the
> d3/d6 square. It certainly saves time on moving pieces into attack.
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