MESON Chess Problem Database

Problem Display
PID: 273528 (1K2n3/1Q2pp2/p1Pkbb1R/5p1r/8/1NN5/2n1R1B1/8 w - - 0 1)

Sambuu, Sukhebaatarin

diagrammes, 1978

1K2n3/1Q2pp2/p1Pkbb1R/5p1r/8/1NN5/2n1R1B1/8

#2

8 + 10

3713 Snap 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb3
      • 2.Qxe7#
    • 1...Bc4
      • 2.Qd7#
      • 2.Qxe7#
    • 1...Bd5
      • 2.Qd7#
    • 1...Bd7
      • 2.Qxd7#
    • 1...Bc8
      • 2.Qxe7#
    • 1...Bxc3
      • 2.Qd7#
    • 1...Bd4
      • 2.Qd7#
    • 1...Bh4
      • 2.Qd7#
    • 1...Be5
      • 2.Qd7#
    • 1...Bg5
      • 2.Qd7#
    • 1...Bg7
      • 2.Qd7#
    • 1...Bh8
      • 2.Qd7#
    • 1...Sa1
      • 2.Qb4#
    • 1...Se1
      • 2.Qb4#
    • 1...Sa3
      • 2.Qb4#
    • 1...Sb4
      • 2.Qxb4#
    • 1...Sd4
      • 2.Qb4#
    • 1...Sc7
      • 2.Qxc7#
    • 1...Sg7
      • 2.Qc7#
    • 1...a5
      • 2.Sb5#
  • Tries
    • 1.Qa7?
      • threat
        • 2.Qc5#
      • 1...Bxb3
        • 2.Qxe7#
      • 1...Bd4
        • 2.Qd7#
      • 1...f4!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qc5#
      • 1...Bxb3
        • 2.Qe5#
      • 1...axb5
        • 2.Sxb5#
      • 1...Bd4
        • 2.Qd5#
      • 1...f4
        • 2.Se4#

Anticipated by 233776(1978)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 17
  • Sets
    • B(f);P_SPINB(g),XS(C)::QAB1(G),XP(h)
    • B(f);N_GUARD,P_SPINB(g)::QAR1(G)
    • B(f);N_GUARD,P_SPINB(g)::QAR1(G),XB(f)
    • B(f);P_SPINB(g)::QAB1(G),XP(h)
    • B(g);P_SPINB(f),XS(D)::QAR1(G)
    • B(g);P_SPINB(f)::QAR1(G)
    • S(a);N_GUARD::QAB(G)
    • S(a);N_GUARD::QAB(G),XS(a)
    • S(j);N_GUARD::QAB1(G),XS(j)
    • S(j);N_GUARD::QAB1(G)
    • P(d);N_GUARD::S(D)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAB1(G)
      • Vars
        • B(f);P_SPINB(g),XS(C)::QAB1(G),XP(h)
        • B(g);P_SPINB(f)::QAR1(G)
      • Refutation
        • P(b);
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • B(f);P_SPINB(g),XS(C)::QAB1(G)
      • P(d);XQ(G)::S(D),XP(d)
      • B(g);P_SPINB(f)::QAR1(G)
      • P(b);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).