MESON Chess Problem Database

Problem Display
PID: 44865 (5K2/1B1p1R2/3P2P1/4nP2/2pP1kN1/2B1pN1P/7n/4QR2 w - - 0 1)

Peris Pardo, Julio

Recomm., BCF 043. Ty., 1942-1943

5K2/1B1p1R2/3P2P1/4nP2/2pP1kN1/2B1pN1P/7n/4QR2

#2

13 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sxg6+
      • 2.fxg6#
    • 1...e2
      • 2.Bd2#
  • Tries
    • 1.Sgxe5?
      • 1...Sxf1
        • 2.Qh4#
      • 1...Sxf3
        • 2.Qh4#
      • 1...e2
        • 2.Bd2#
      • 1...Sg4!
  • Keys
    • 1.Qh4!
      • 1...Sxg6+
        • 2.fxg6#
      • 1...Sxf1
        • 2.Sgxe5#
      • 1...Shxf3
        • 2.Sxe5#
      • 1...Shxg4
        • 2.Sxe5#
      • 1...Sexf3
        • 2.Sxh2#
      • 1...Sexg4
        • 2.Sxh2#
      • 1...Sxf7
        • 2.Sfxh2#
      • 1...Sc6
        • 2.Sgxh2#
      • 1...Sd3
        • 2.Sgxh2#
      • 1...e2
        • 2.Bd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(e);CHECK,OGATE,XP(J)::R(L)+P(H),XS(e)
    • P(b);OGATEB::B(C)
  • Tries
    • Try
      • S(G);XS(e)
      • Vars
        • S(a);N_GUARD,XR(B)::QAR2(A)
        • S(a);N_GUARD,P_SPINS(a),XS(D)::QAR2(A)
        • P(b);OGATEB::B(C)
      • Refutation
        • S(a);
  • Actual
    • Q(A);
    • Vars
      • S(e);CHECK,OGATE,XP(J)::R(L)+P(H),XS(e)
      • S(a);N_GUARD,XR(B)::QAR(A)+S(G),XS(e)
      • S(a);N_GUARD,P_SPINS(a),XS(D)::QAR(A)+S(G),XS(e)
      • S(a);N_GUARD,P_SPINS(a),XS(G)::R(B)+S(D),XS(e)
      • S(e);N_GUARD,P_SPINS(e),XS(D)::QAR(A)+S(G),XS(a)
      • S(e);N_GUARD,P_SPINS(e),XS(G)::R(B)+S(D),XS(a)
      • S(e);N_GUARD,XR(L)::R(B)+S(D),XS(a)
      • S(e);N_GUARD::QAR(A)+S(G),XS(a)
      • P(b);OGATEB::B(C)
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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).