Jun-05-12 M Pestalozzi vs D Duhm, 1900 
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VincentL: "Easy".
11. Bxh7+ Kxh7 12. Qh5+ Kg8 13. Ng5 Re8 14. Qxh7+ Kf8 15. Qh8+ Ke7 16.
Qxg7 with Qf6# to follow.
Black can give up Q for N with 13......Qxg5.
If black declines the original sacrifica and plays 11.....Kh8 mate will follow after 12. Qh5 and Bg6+
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| | Jun-04-12 S Sery vs Z Vecsey, 1921
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VincentL: "Very easy".
I did not fare well with last week's puzzles.
On to ths week, Monday is normal queen sacrifice fare: 17. Qxf7+
(a) 17.....Rxf7 18. Re8#.
(b) 17.....Kh8 18. Rxf8#.
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| | May-29-12 G Burgess vs W Watson, 1989
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VincentL: I soon looked at 38.....Qg3+ 39. Rxg3 fxg3+ but didn't notice it was mate !
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| | May-28-12 V Greenwalt vs B Wall, 1983
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VincentL: "Very Easy".
7. Nxd4. If 8. exd4 or queen moves Bxg2 followed by Bxh1. Best for
white may be 8. exd4 Bxg2 9. f3 Bxh1 10. Qf2 with black losing B for P
resulting in a net gain of R + P for B + N (and a far superior position). If 8. Bxb7 Nxc2+ 9. Kd1 Nxa1` 10. Nxa8 leaving black a ...
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| | May-25-12 A Ivanov vs A Vitolinsh, 1979
May-23-12 J Nogueiras vs M Gongora, 2001
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VincentL: I had five minutes to look at this, and didn't solve it.
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| | May-22-12 F Kraus vs V Costin, 1913
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VincentL: 'Easy'.
8. Bb5 and now if 8.....Qxb5 9. Nc7+ followed by Nxb5 leaving white with Q for B. If black does not play Qxb5 then after 9. Bxc6 Nxc6 white has the same material gain.
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| | May-21-12 J Benjamin vs N Gamboa, 1995
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VincentL: "Very Easy".
15. Qxc6+ and black surely resigned.
15.....bxc6 allows 16. Rb8#
If 15.....Kd8 16. Rxb7 and mate follows.
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| | May-17-12 Alekhine vs Opocensky, 1943
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VincentL: "Medium".
For a few seconds I thought 48. g6 might win, but after K side pawn captures
the black king can get over to the Q side to stop the a pawn queening. So 48. h6!
Now black must move his king back, allowing 49. Kxe5. 48.....Kf7 offers most resistance. Then 49. Kxe5 Kg6. 50.
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| | May-16-12 C T Goering vs E Schallopp, 1877
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VincentL: "Medium/Easy".
This looks to be another bank rank puzzle.
It must start 16....Qxe1+. If 17. Nd1 Qxd1#, so 17. Bxe1 Bf4+
18. Bd2 Re1+ 19. Nd1 Rxd1#. Or 18. Kb1 Rxe1+ 19. Nd1 Rxd1#. Seems easy for a Wednesday.
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