Fairy chess composition
 No.1447 N.Shankar Ram (India) Original Fairy problems JF-2019/II: July – December’2019

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 No.1447 N.Shankar Ram India original – 22.09.2019 Solution: (click to show/hide) white kf6 rc7 bb6f5 sh2h3 moa4 black kd5 sf7 pd6e3h5 mae5e6 moc2g2 #3                                              (7+9) MAO e5, e6 MOA a4; c2, g2 1.Bb6-a5 ? threat: 2.MOa4-b6 + 2...Kd5-d4 3.Ba5-c3 # 1...Kd5-d4 2.Ba5-c3 + 2...Kd4-d5 3.MOa4-b6 #{ } {(exchange of W 2nd & 3rd MOVES between threat and variation)} 1...MOc2-b4 2.MOa4-c3 + 2...Kd5-d4 3.Ba5-b6 #{(Switchback) } {(exchange of only the SQUARES of W 2nd & 3rd moves between threat and variation, the pieces remaining the same! Also, exchange of only the PIECES of W 2nd & 3rd moves between the 2 variations, the squares remaining the same!)} 1...MAe5-d3{(2.MOb6+? MAc5!)} 2.Bf5*e6 + 2...Kd5-e4 3.Rc7-c4 # 2...Kd5-d4 3.Rc7-c4 #{ } {(selfblock on d3)} but 1...e3-e2 ! 1.MOa4-c3 + ? but 1...MOc2-d4 ! 1.Sh3-f4 + ? but 1...MOg2*f4 ! 1.Sh2-g4 ? threat: 2.Sg4*e3 + but 1...h5*g4 ! 1.Sh2-f1 ! threat: 2.Sf1*e3 + 2...MOc2*e3{display-departure-square} 3.MOa4-c3 # 2...MOg2*e3{display-departure-square} 3.Sh3-f4 # 1...MAe5-d3{(Opens Mao line e6-d4/f4, closes Moa line c2-d4/e3)} 2.Sh3-f4 + 2...MOg2*f4 3.Sf1*e3 # 2...MAe6*f4 3.MOa4-c3 # 1...MAe5-f3{(Opens Mao line e6-d4/f4, closes Moa line g2-e3/f4)} 2.MOa4-c3 + 2...MOc2-d4 3.Sf1*e3 # 2...MAe6-d4 3.Sh3-f4 # 1.Sh2-f3 ? threat: 2.Sh3-f4 # but 1...MAe5*f3 ! 1.Sh3-g5 ? but 1...Sf7*g5 ! { (C+ by Popeye 4.83 and WinChloe 3.45)} Line opening and closing of Mao/Moa lines by Mao e5 Jacobs theme 3x2 rotating form The serendipitous try gives interesting byplay! (Author)

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