MESON Chess Problem Database

Problem Display
PID: 109489 (b1n3B1/4p1Q1/3p2K1/6p1/4k1N1/2P1bpnN/4pq2/3RR3 w - - 0 1)

Szoghy, Jozsef

Norsk Sjakkblad, 1951

b1n3B1/4p1Q1/3p2K1/6p1/4k1N1/2P1bpnN/4pq2/3RR3

#2

8 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.Shxf2#
    • 1...Bd5
      • 2.Bxd5#
    • 1...Sb6
      • 2.Qxe7#
    • 1...Sa7
      • 2.Qxe7#
    • 1...exd1Q
      • 2.Sgxf2#
    • 1...exd1S
      • 2.Qd4#
    • 1...exd1B
      • 2.Sgxf2#
      • 2.Qd4#
    • 1...exd1R
      • 2.Sgxf2#
    • 1...d5
      • 2.Qe5#
    • 1...e5
      • 2.Sf6#
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qe6#
      • 1...exd1Q
        • 2.Shxf2#
      • 1...exd1S
        • 2.Qc4#
      • 1...exd1B
        • 2.Shxf2#
        • 2.Qc4#
      • 1...exd1R
        • 2.Shxf2#
      • 1...Bd2
        • 2.Shxf2#
      • 1...Bd4
        • 2.Sxg5#
      • 1...Bf4
        • 2.Shxf2#
      • 1...Bd5
        • 2.Qxd5#
      • 1...e5
        • 2.Sf6#
      • 1...e6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(c);N_GUARD,P_SPINP(a),SBLOCK::S(D),XQ(b)
    • B(j);N_GUARD::B(H),XB(j)
    • S(k);N_GUARD::QAR(G),XP(i)
    • P(a);P_SPINB(c),XR(A)::S(E),XQ(b)
    • P(a);P_SPINB(c),XR(A)::QAR1(G)
    • P(h);N_GUARD::QAR1(G)
    • P(i);N_GUARD,SBLOCK::S(E)
  • Actual
    • Q(G);
    • Threat
      • QAR2(G)
    • Vars
      • P(a);P_SPINB(c),XR(A)::S(D),XQ(b)
      • P(a);P_SPINB(c),XR(A)::QAR2(G)
      • B(c);N_GUARD,P_SPINP(a)::S(D),XQ(b)
      • B(c);N_GUARD,P_SPINP(a)::S(D),XP(g)
      • B(j);N_GUARD::QAB1(G),XB(j)
      • P(i);N_GUARD,SBLOCK::S(E)
      • P(i);::QAR2(G),XP(i)
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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).