MESON Chess Problem Database

Problem Display
PID: 175759 (8/p7/r2PQ3/1P1R1p2/bpkN1p2/4nR2/1P6/5nK1 w - - 0 1)

Palkoska, Emil

Austrum, 1898

8/p7/r2PQ3/1P1R1p2/bpkN1p2/4nR2/1P6/5nK1

#2

8 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Sb3!
      • 1...Kxb3
        • 2.Rd2#
      • 1...Rxd6
        • 2.Sa5#
      • 1...Bxb3
        • 2.Rxf4#
      • 1...Bxb5
        • 2.Rd4#
      • 1...Sxd5
        • 2.Qe2#
      • 1...Ra5
        • 2.Sxa5#
      • 1...Rb6
        • 2.Sa5#
      • 1...Rc6
        • 2.Sa5#
      • 1...Sd2
        • 2.Sxd2#
      • 1...Sh2
        • 2.Sd2#
      • 1...Sg3
        • 2.Sd2#
      • 1...Sd1
        • 2.Rc5#
        • 2.Re5#
        • 2.Rxf5#
      • 1...Sc2
        • 2.Rc5#
        • 2.Re5#
        • 2.Rxf5#
      • 1...Sg2
        • 2.Rc5#
        • 2.Re5#
        • 2.Rxf5#
      • 1...Sg4
        • 2.Rc5#
        • 2.Re5#
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Vars
      • K(e);P_SPINS(b),S_FLIGHT,XS(D)::QAB(H)+R(F)
      • R(h);N_GUARD,XP(G)::S(D)
      • B(c);SBLOCK,XS(D)::R(C),XP(f)
      • B(c);SBLOCK,XP(E)::QAB(H)+R(F),DCHECK
      • S(b);OGATE,P_SPINS(b),SBLOCK,XR(F)::QAB(H)
      • R(h);N_GUARD::S(D),XR(h)
      • R(h);N_GUARD::S(D)
      • S(a);N_GUARD::S(D),XS(a)
      • S(a);N_GUARD::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).