MESON Chess Problem Database

Problem Display
PID: 275233 (1b2N3/r2n1pp1/1R1n4/1P1k1P2/pK1P4/3pQP2/8/6Bb w - - 0 1)

Burda, Josef

Salazar-100 MT (Problemas), 2024

1b2N3/r2n1pp1/1R1n4/1P1k1P2/pK1P4/3pQP2/8/6Bb

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rc7
      • 2.Rxd6#
    • 1...Sc4
      • 2.Qe4#
    • 1...Se4
      • 2.Qxe4#
    • 1...Sxb5
      • 2.Qe4#
    • 1...Sxf5
      • 2.Qe4#
    • 1...Sb7
      • 2.Qe4#
    • 1...Sc8
      • 2.Qe4#
    • 1...Sxe8
      • 2.Qe4#
    • 1...Sc5
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Sxb6
      • 2.Qe5#
    • 1...Sf6
      • 2.Qe5#
    • 1...Sf8
      • 2.Qe5#
    • 1...f6
      • 2.Qe6#
  • Tries
    • 1.Sxd6?
      • threat
        • 2.Qe4#
      • 1...Bxf3
        • 2.Qxf3#
      • 1...Sxb6
        • 2.Qe5#
      • 1...Sc5
        • 2.Qe5#
      • 1...Sf6
        • 2.Qe5#
      • 1...Bxd6+!
    • 1.Sf6+?
      • 1...Sxf6
        • 2.Qe5#
      • 1...gxf6!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qc6#
      • 1...Rc7
        • 2.Rxd6#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Se5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 10
  • Sets
    • R(f);S_CUTB(j)::R1(H),XS(e)
    • S(e);N_GUARD::QAB1(B)
    • S(e);N_GUARD::QAB1(B),XS(e)
    • S(e);N_GUARD,XP(F)::QAB1(B)
    • S(e);N_GUARD,XP(G)::QAB1(B)
    • S(e);N_GUARD,XS(I)::QAB1(B)
    • S(g);N_GUARD::QAR1(B)
    • S(g);N_GUARD::QAR1(B),XS(g)
    • S(g);N_GUARD,XR(H)::QAR1(B)
    • P(h);N_GUARD::QAB1(B)
  • Tries
    • Try
      • S(I);XS(e)
      • Threat
        • QAB1(B)
      • Vars
        • B(a);OGATE,XP(C)::QAB(B),XB(a)
        • S(g);N_GUARD,XR(H)::QAR1(B)
        • S(g);N_GUARD::QAR1(B)
      • Refutation
        • B(j);CHECK,XS(I)
    • Try
      • S(I);CHECK
      • Vars
        • S(g);XS(I)::QAR1(B)
      • Refutation
        • P(i);XS(I)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • R(f);S_CUTB(j)::R1(H),XS(e)
      • S(e);N_GUARD::QAB1(B),XS(e)
      • S(g);N_GUARD::QAR1(B),XS(g)
      • S(g);N_GUARD::QAR1(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).