Thank you, Michal. I have a version with bKh1: pieces white kb2 pb7d5e2e4e6g5h7 black kh1 be7 sb5h8 pa4b3c4d6e3e5g4g6 stip ser-s#33 Solution:…
Cooked by 1.Kb1 2.-5.b8Bxd6xe5-g3 6.-8.d6xe7-e8Q 9.Qxh8 10.Qa1 11.h8B 12.Bb2 13.-16.e7-e8Qxa4-a2 17.-21.e5-e6-e7-e8Q-e4 22.Qc2+ bxc2X
No, on f2 the B would still be observed by Rf3, so the 1st solution would not work. Thanks anyway…
Superb! Apparently simple mechanism produces complex changes!
Very nice. g8 promotion cannot be same as in b8! Wonder if Bg1 can be moved to f2 so that…
Mistype: The pieces f3 and e6 are S1 and S2!
Oh indeed, thanks Joost. So, that's why the pin by 3.Rh8-e8 isn't good, since a pin by 4.Re2/f8 would legally…
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What is the difference between the pin after 3.Rh1 and the apparently similar pin 4.Rh1-f1 (after 3...Kf2+)?
Very interesting. But it is a little confusing. I thought Ra1 was pinned by Rh1 and hence no mate (after…