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1 … Qxg3
2 hxg3 – Nxg3+
3 Kg1 or Kh2 – Rxg2x
Interesting.
1. Qxg3 (a) hxg3
2. Nxg3+ Kg1 or Kh2
3. Rxg2#
1. … (b) Rxf2
2. Nxf2+ Kg1
3. Qxg2#
Mark
1. Qxg3 hxg3
2. Nxg3 Kg1 or Kh2
3. Rxg2#
1… Qxg3
2. hxg3 Nxg3+
3. Kg1 Rxg2#
1…….. Qxg3!
2. Bf3 Rxf1+
3. Qxf1 Nf2+
4. Kg1 Nxf3#
It is a mate in 3
1…Qxg3
2.Rg1
(2.hxg3 Nxg3+ 3.Kg1
(3.Kh2 Rxg2#)3…Rxg2#)
(2.Bf3 Rxg2 3.hxg3 Nxg3#)
(2.Nxe4 Qxg2#)
(2.Kg1 Qxg2#)
2…Rxg2
3.hxg3 Nxg3#
1.-Qxg3 2.Bf3
(2.hxg3 Nxg3+ 3.Kh2 Rxg2++)
(2.hxg3 Nxg3+ 3.Kg1 Rxg2++)
(2.Rg1 Rxg2 3.Rxg2 Qxg2++)
(2.Rg1 Rxg2 3.hxg3 Nxg3++)
2.-Rxg2 3.hxg3 (3.Bxg2 Qxg2++) Nxg3++
1. … Qxg3
2. hxg3 Nxg3+
3. Kany Rxg2#
greets, jan
First I thought the fact that Bg3 can’t move without allowing Qxg2#, had to be essential here. But it seems that Rxg2 would lift that binding and allow Bxh4. Therefore I find no alternative to:
1. … Nxg3+
2. hxg3 Rxg2!
Of course. Qxg3 answered by exchange of rooks should be erroneous here.
3. Qe1 (Rg1?? Qxg3 mates next) Rxg3!
Still Qxg3, answered by exchange of queens would be erroneous.
4. Kh2 (otherwise Rh3#) Rg2+
5. Kh1 (Kh3 Qg3#) Rh2+
This rook sack is the final point.
6. Kxh2 Qg2#
Of course white could hold longer by sacking queen for rook on move 4, but that didn’t make much sense either.
… QxB