It’s Your Move: daily chess puzzle # 130
Black to play and win
Halfdanarson v Wade, Reykjavik 1966
Solution
Not too hard today, since the only motif has to be to break through on the g or h files, and apart from 1…Rg2+, which doesn't succeed, there is little else to try but 1…Ng4+!
If the King moves, then 2…Ne3 0-1, not only because the Qf5 is biffed, but because of the triple attack on the Ng2. So, 2 hg Nf6+ and 3….Ng4 brings the house down.
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allanbeardsworth 
Hi Allan, for a more complete analysis you may want to give out the complete variations, as in 1..Ng4 2. Kh1 Ng3+ 3. Ng3 Qh3+ and mate and 1..Ng4 2. hg Nf6+ 3. Kg3 Rg4+ 4. Kf3 Qh3+ 5. Ng3 Qg3+ +-
thanks! 🙂