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A beautiful miniature by a composer who as well as being top class in his own right formed one of the problem
world’s most famous composing partnerships with Dr. Erich Zepler.
An immediate 1.Sd3?, threatening mate at f2, fails to the check at e2. The
key 1.Kb2 threatens 2.Qg2+ Ke1 3.Sd3+ Kd1 4.Qc2 or 3.Qg1+ Kd2 4.Qc1.
1...Re2+ allows 2.Qxe2+ Kg1 3.Qg2 and 1...Rc8 is met by either 2.Qe2+ or
2.Qg2+, so Black's main defence is 1...Rb8+, after which White plays
2.Ka3, threatening 3.Qe2+. If the rook returns to e8 3.Sd3 works because
of the repositioning of the king, leaving Black the choice between 3...Re2
4.Qh1 or 3...Rf8 4.gxf8Q.
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