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
On No.1723 (PR)
No, on f2 the B would still be observed by Rf3, so the 1st solution would not work. Thanks anyway…
On No.1722 (MR)
Superb! Apparently simple mechanism produces complex changes!
On No.1721 (MB&FP)
Very nice. g8 promotion cannot be same as in b8! Wonder if Bg1 can be moved to f2 so that…
On No.1722 (MR)
Mistype: The pieces f3 and e6 are S1 and S2!
On No.1720 (RK)
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…
On No.1717 (EH)
deleted
On No.1717 (EH)
What is the difference between the pin after 3.Rh1 and the apparently similar pin 4.Rh1-f1 (after 3...Kf2+)?
On No.1717 (EH)
Very interesting. But it is a little confusing. I thought Ra1 was pinned by Rh1 and hence no mate (after…
On No.1717 (EH)
a technical point : you can think about a mate on a8 with black reaching g5 in 2 moves :…
On No.1704 (BG&TM)