Puzzle #1
White to move:
White: Magnus Carlsen
Black: Sipke Ernst
Wijk aan Zee 2004
A: 21. Bxh6+!, gxh6; 22. Rxh6+!, Nxh6; 23. Qxe7, Nf7; 24. gxf7+, Kg7; 25. Rd3, Rd6; 26. Rg3+, Rg6; 27. Qe5+, Kxf7; 28. Qf5+, Rf6; 29. Qd7#
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Puzzle #2
Black to move:
White: Leonid Yurtaev
Black: Magnus Carlsen
Moscow Aeroflot 2004
A: 22. …., Bf2; 23. Rf1, e3!;
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Puzzle #3
White to move:
White: Magnus Carlsen
Black: Vasilios Kotronias
Calvia ol [Norway-Greece] 2004
A: 22. Nxf6!, Kxf6; 23. Rxd6+, Ke7; 24. Rxc6, Qxc6; 25. Qxe3, Rc7; 26. f6+
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Puzzle #4
White to move:
White: Alexander Graf
Black: Magnus Carlsen
Sanxenxo 2004
A: 29. Bc6!;