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BGonline.org Forums
42P-21S-51S-54 and 42P-21S-52S-54, summary
Posted By: Nack Ballard In Response To: Good opening problems come in pairs 42P-21S-51S-54 Vs. 42P-21S-52S-54 — To hit, or not to hit... (Dmitriy Obukhov)
Date: Sunday, 15 April 2012, at 5:03 a.m.
Great pair, Mike and Dmitriy.
42P-21S-51S-54 [r X6 Z7 R20] "<=41**15
42P-21S-52S-54 [R Z9 x22 r30 X43] "<10*5
Nack
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