MESON Chess Problem Database

Problem Display
PID: 274110 (b5R1/5P2/4P1B1/3q2Np/3r1pkp/1p1R3N/3n4/2bK1Q2 w - - 0 1)

Velimirovic, Milan

Mat, 1973

b5R1/5P2/4P1B1/3q2Np/3r1pkp/1p1R3N/3n4/2bK1Q2

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qxg5
      • 2.Sf2#
    • 1...Rxd3
      • 2.Qxf4#
    • 1...Re4
      • 2.Qg2#
      • 2.Qg1#
    • 1...Sf3
      • 2.Qg2#
    • 1...Se4
      • 2.Qf3#
    • 1...f3
      • 2.Qg1#
  • Tries
    • 1.Bf5+?
      • 1...Qxf5
        • 2.Sf2#
      • 1...Kxf5!
  • Keys
    • 1.Bh7!
      • threat
        • 2.Sf2#
      • 1...Qf3+
        • 2.Sxf3#
      • 1...Rxd3
        • 2.Qxf4#
      • 1...Sf3
        • 2.Qg2#
      • 1...f3
        • 2.Qg1#
      • 1...Qg2
        • 2.Se4#
      • 1...Se4
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • Q(h);SBLOCK,XS(E)::S(D)
    • R(d);N_GUARD,XR(C)::QAR1(B),XP(e)
    • S(b);P_PINR(C),S_CUTQ(h)::QAR2(B)
    • S(b);N_GUARD,P_PINR(C),S_CUTQ(h)::QAB1(B)
    • P(e);S_CUTQ(h)::QAR(B)
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • Q(h);SBLOCK,XB(G)::S(D)
      • Refutation
        • K(f);P_SPINP(e),S_FLIGHT,XB(G)
  • Actual
    • B(G);
    • Threat
      • S(D)
    • Vars
      • Q(h);CHECK,N_GUARD::R(I)+S(E),XQ(h)
      • R(d);N_GUARD,XR(C)::QAR1(B),XP(e)
      • S(b);P_PINR(C),S_CUTQ(h)::QAR2(B)
      • P(e);S_CUTQ(h)::QAR(B)
      • Q(h);N_GUARD::R(I)+S(E)
      • S(b);N_GUARD,P_PINR(C),S_CUTQ(h)::QAB1(B)
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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).