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Problems 659 to 663: Aleksey Ivunin & Aleksandr Pankratiev: Helpmate
alexey.ivuninaleksandr.pankratiev(21.12.2015) Five new helpmates by the Russian tandem Aleksey Ivunin and Aleksandr Pankratiev with the common feature of white economy!

 

 

 

 

659. Aleksey Ivunin & Aleksandr Pankratiev (Russia)
21.12.2015

659

H#3        4 Sol.        (3+8)

 

1.Bc2 Bf2 2.Kd3 Kf5 3.Sc3 Sf4#
    1.Bg3 Se3 2.Be5 Sxc4 3.Rf4 Sxd2#
     1.Se3 Sh4 2.Kf4+ Kxh5 3.Be4 Bd6#
    1.Sf4+ Kg7 2.Kf5 Se3+ 3.Kg5 Be7#

 

660. Aleksey Ivunin & Aleksandr Pankratiev (Russia)
21.12.2015660H#3                       (3+10)

b/c/d) wBg1-b6/f1/b7

 

a) 1.f3 Be3 2.Bf5 Re1 3.Ke4 Bd2#
      b) 1.Bc5 Re3! 2.dxe3 Bd8 3.Kd4 Bf6#
       c) 1.Be1 Bg2 2.Bh4 Bxe4 3.Bf6 Bxd3#
   d) 1.Kf5 Bc6 2.Kg4 Be8 3.Kf3 Bh5#

 

 

 

661. Aleksey Ivunin & Aleksandr Pankratiev (Russia)
21.12.2015
661
H#3           2 Sol.           (4+15)

b) Rg4-g6  

 

a) 1.Qh8! Bxc3! 2.Qd4! bxc4+ 3.Ke5 Bxd4#
 1.Qh4! Txc4! 2.Qd4! Kg2 3.Ke4 Rxd4#

b) 1.Re5 Rg7 2.Ke6 Bxg5 3.Rd5 Re7#
     1.Kc6 Bd4 2.Kb7 Rg7+ 3.Ka8 Ra7#

 

 

662. Aleksey Ivunin & Aleksandr Pankratiev (Russia)
21.12.2015 
662

H#3.5        3 Sol.        (4+11)

 1…Bxd3+ 2.Kxd3 Rf5 3.Ke4 Kg6 4.Sd3 f3#
   1…Rxd5 2.Rb6 Rd8 3.Kb5 Bc6+ 4.Ka6 Ra8#
 1…Rf5 2.dxe4 Rxf7 3.Kd5 Kg6 4.Kd5 Rf5#

 

 

663. Aleksey Ivunin & Aleksandr Pankratiev (Russia)
21.12.2015
663
H#3.5        2 Sol.        (2+15)

  1…Sxc4 2.Kb3 Sd6 3.Qc3 Sxb7 4.Kc4 Sa5#
1…Sb3 2.Re3 Sa5 3.Kd3 Sxb7 4.Ke4 Sxc5#

 

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