MESON Chess Problem Database

Problem Display
PID: 41244 (b1Q4B/2K5/3pP2p/NP1kP2R/1rpPn2p/5n2/3R1NB1/7q w - - 0 1)

Szoghy, Jozsef

Arbejder Magasinet, 1936

b1Q4B/2K5/3pP2p/NP1kP2R/1rpPn2p/5n2/3R1NB1/7q

#2

12 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.exd6#
    • 1...Sg1
      • 2.exd6#
    • 1...Sfxd2
      • 2.exd6#
    • 1...Sh2
      • 2.exd6#
    • 1...Sxd4
      • 2.exd6#
    • 1...Sexd2
      • 2.exd6#
    • 1...Sc3
      • 2.exd6#
    • 1...Sc5
      • 2.exd6#
    • 1...Sf6
      • 2.exf6#
  • Tries
    • 1.Sxe4?
      • threat
        • 2.Sc3#
        • 2.Sf6#
      • 1...Sxd2
        • 2.exd6#
      • 1...Sxd4
        • 2.exd6#
      • 1...Qa1
        • 2.Sf6#
      • 1...Qc1
        • 2.Sf6#
      • 1...Rb3
        • 2.Sf6#
      • 1...c3
        • 2.Sxc3#
        • 2.Sf6#
      • 1...Kxe4!
  • Keys
    • 1.Kd7!
      • threat
        • 2.Qxa8#
      • 1...Bc6+
        • 2.Qxc6#
      • 1...Sxe5+
        • 2.dxe5#
      • 1...Sc5+
        • 2.dxc5#
      • 1...Sf6+
        • 2.exf6#
      • 1...Rxb5
        • 2.Qxc4#
      • 1...Sfxd2
        • 2.exd6#
      • 1...Sxd4
        • 2.exd6#
      • 1...Sexd2
        • 2.exd6#
      • 1...Bb7
        • 2.Qxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • S(b);N_GUARD,P_SPINS(e)::R(H)+P(G),XP(h)
    • S(b);N_GUARD,P_SPINS(e),XR(A)::R(H)+P(G),XP(h)
    • S(b);N_GUARD,P_SPINS(b),S_CUTS(e),XP(D)::R(H)+P(G),XP(h)
    • S(e);N_GUARD,P_SPINS(b),XR(A)::R(H)+P(G),XP(h)
    • S(e);N_GUARD,P_SPINS(b)::R(H)+P(G),XP(h)
    • S(e);OGATE,P_SPINS(b)::R(H)+P(G),XS(e)
  • Tries
    • Try
      • S(B);XS(e)
      • Threat
        • DUALS(2)
      • Vars
        • S(b);N_GUARD,XR(A)::R(H)+P(G),XP(h)
        • S(b);N_GUARD,P_SPINS(b),XP(D)::R(H)+P(G),XP(h)
        • Q(a);::S(B)
        • R(c);::S(B)
      • Refutation
        • K(g);P_SPINS(b),S_FLIGHT,XS(B)
  • Actual
    • K(J);P-FLIGHT
    • Threat
      • QAB(K),XB(j)
    • Vars
      • B(j);CHECK,N_GUARD::QAB1(K),XB(j)
      • S(b);CHECK,OGATE,P_SPINS(e),XP(G)::R(A)+P(D),XS(b)
      • S(e);CHECK,OGATE,P_SPINS(b)::R(A)+P(D),XS(e)
      • S(e);CHECK,OGATE,P_SPINS(b)::R(H)+P(G),XS(e)
      • R(c);N_GUARD,XP(F)::QAB1(K),XP(d)
      • S(b);N_GUARD,P_SPINS(e),XR(A)::R(H)+P(G),XP(h)
      • S(b);N_GUARD,P_SPINS(b),S_CUTS(e),XP(D)::R(H)+P(G),XP(h)
      • S(e);N_GUARD,P_SPINS(b),XR(A)::R(H)+P(G),XP(h)
      • B(j);N_GUARD::QAB(K),XB(j)
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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).