MESON Chess Problem Database

Problem Display
PID: 57499 (8/4p3/4Q1K1/5P2/B6p/1n4p1/NRpp1bN1/n2k1rRr w - - 0 1)

Marysko, Milos

Chess Life, 1956

8/4p3/4Q1K1/5P2/B6p/1n4p1/NRpp1bN1/n2k1rRr

#2

8 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Sc3#
    • 1...Sd4
      • 2.Rb1#
    • 1...Sa5
      • 2.Rb1#
    • 1...Sc5
      • 2.Rb1#
    • 1...c1S
      • 2.Sc3#
    • 1...c1B
      • 2.Sc3#
  • Tries
    • 1.Sf4?
      • threat
        • 2.Qe2#
      • 1...c1S
        • 2.Sc3#
      • 1...Sc1
        • 2.Sc3#
      • 1...Sd4
        • 2.Rb1#
      • 1...Be3!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qg4#
      • 1...Bxg1
        • 2.Qxf1#
      • 1...c1S
        • 2.Sc3#
      • 1...Be1
        • 2.Se3#
      • 1...Bd4
        • 2.Qxf1#
      • 1...Sc1
        • 2.Sc3#
      • 1...Sd4
        • 2.Rb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • S(h);P_SPINP(e),SBLOCK::S(B)
    • S(h);N_GUARD,P_SPINP(e)::R(C)
    • P(e);P_SPINS(h),SBLOCK::S(B)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAB1(G)
      • Vars
        • P(e);P_SPINS(h),SBLOCK::S(B)
        • S(h);P_SPINP(e),SBLOCK::S(B)
        • S(h);N_GUARD,P_SPINP(e)::R(C)
      • Refutation
        • B(g);
  • Actual
    • Q(G);
    • Threat
      • QAB(G)
    • Vars
      • B(g);N_GUARD,N_SPINR(c),XR(A)::QAR2(G),XR(c)
      • P(e);P_SPINS(h),SBLOCK::S(B)
      • B(g);N_GUARD,N_SPINR(c),SBLOCK::S(D)
      • B(g);N_GUARD::QAR2(G),XR(c)
      • S(h);P_SPINP(e),SBLOCK::S(B)
      • S(h);N_GUARD,P_SPINP(e)::R(C)
HTML5 logo

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).