Puzzle 1: 2020
Study by Steffen Nielsen and Martin Minski
White to move
Answer:
1. Ng3! [1. b7? Be3 2. Ne3 Ra2 -+] Rxg3 2. b7 Bf4 [2... Be3 3. Bd4+-] 3. Rxh2 Rc3! 4. Re2+ [4. Bc3? Bh2=] 4... Re3 5. Be5! Ra3+ [5... Be5 6. Rxe3+-] [5... Re5 6. b8=Q+-] [5... Re2 6. b8Q+-] 6. Kb6 Kd7 7. b8N+! [7. b8Q? Rb3 =] 7... Kc8 [7... Kd8 8. Bf6#] 8. Bf4 gxf4 [8... Rb3 9. Kc6 +-] 9. Re8#
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Puzzle 2: 2019
White: Zarina Shafigullina Black: Irina Krush
Black to move
Answer:
1... Ng5+ 2. fxg5 [2. Kh4 Qxg2 3. Nxe2 Nf3#] [3. Kxg5 h6+ 4. Kf5 Qd5#] Qxg2+ 3. Kh4 Qh2+ Shafigullina resigned because of 4...Rxh2 Rxh2#
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Puzzles 3: 2015
Study by Mirko Miljanic
White to move
Answer:
1. c6+ Ka8 2. Nc7+ [2. Qd7? Re2+ 3. Kf3 Qf8+ 4. Ke2 Qf3+! 5. Kxf3 stalemate] 2... Qc7 3. Rg8+ Rf8 [3... Nf8? 4. Qc7+-] [3... Ka7 4. Qd7 Rf4 5. Ke3 Rf7 6. Qd4+ +-] 4. Rxf8 Nb8 5. Qh6! [5. Qxc7 stalemate] 5... Qh7+! [5... Qe7+ 6. Kd5 Qb4 7. Qc1 +-] 6. Rf5!! Qxh6 7. Ra5+ Na6 8. Ra6+ Kb8 9. c7+ Kxc7 10. Rxh6 +-
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Puzzle 4: 2020/2021
White: Wesley So Black: Daniil Dubov
White to move
Answer:
1. Re8 Ba7 [1...fxg5 2. Qa8+- ] [1... Qxg5 2. Rxf8+ Kg7 3. Rg8+-] 2. Qd7! h6 [2...Nxd4 3. Rxf8 Qxf8 4. Bh6! Qxh6 5. Qe8+ Kg7 6. Qg8#] 3. Qc8 Rxe8 4. Qxe8+ Kh7 5. Bxf6 Dubov resigned here as it's impossible to defend g8
