MESON Chess Problem Database

Problem Display
PID: 94867 (k1N5/1r1P4/N7/1PKB4/8/8/8/8 w - - 0 1)

Pypa, Volodimir Iosifovich

Magadanskaya Pravda, 1989

k1N5/1r1P4/N7/1PKB4/8/8/8/8

#2

6 + 2

5454 Near Snap 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Kc6!
      • 1...Rb6+
        • 2.Kxb6#
      • 1...Rc7+
        • 2.Kxc7#
      • 1...Rxb5
        • 2.Kxb5#
      • 1...Rxd7
        • 2.Kxd7#
      • 1...Ra7
        • 2.Sb6#
      • 1...Rb8
        • 2.Sc7#

Anticipated by 203638(1924), 78395(1959)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(B);N_PINR(a),P-FLIGHT
    • Vars
      • R(a);CHECK::B(C)+K(B),XR(a)
      • R(a);XP(A)::B(C)+K(B),XR(a)
      • R(a);XP(E)::B(C)+K(B),XR(a)
      • R(a);N_GUARD,SBLOCK::S(F)
      • R(a);N_GUARD,SBLOCK::S(D)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).