MESON Chess Problem Database

Problem Display
PID: 189875 (8/8/3N1K2/P1k1P2Q/1N6/p6b/3P4/4B3 w - - 0 1)

Gold, Samuel

Magyar Sakkujsag, 1912

8/8/3N1K2/P1k1P2Q/1N6/p6b/3P4/4B3

#2

8 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bf2#
  • Tries
    • 1.Qg4?
      • threat
        • 2.Bf2#
        • 2.Qc4#
        • 2.d4#
      • 1...Bf1
        • 2.Bf2#
        • 2.d4#
      • 1...Bxg4!
    • 1.Qxh3?
      • threat
        • 2.Qc3#
      • 1...Kd4
        • 2.Bf2#
        • 2.Qc3#
        • 2.Qe3#
      • 1...Kxb4!
    • 1.Qh4?
      • threat
        • 2.Bf2#
        • 2.Qc4#
        • 2.d4#
      • 1...Bf1
        • 2.Bf2#
        • 2.d4#
      • 1...Be6
        • 2.Bf2#
        • 2.d4#
      • 1...Bg4!
    • 1.e6+?
      • 1...Kxb4
        • 2.Qb5#
      • 1...Kd4
        • 2.Bf2#
        • 2.Qd5#
        • 2.Qe5#
      • 1...Kxd6
        • 2.Bg3#
        • 2.Qe5#
      • 1...Bf5!
  • Keys
    • 1.Qd1!
      • threat
        • 2.d4#
      • 1...Kxb4
        • 2.d4#
      • 1...Kd4
        • 2.Bf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::B(A)
  • Tries
    • Try
      • Q(F);
      • Threat
        • DUALS(3)
      • Refutation
        • B(b);XQ(F)
    • Try
      • Q(F);XB(b)
      • Threat
        • QAR2(F)
      • Refutation
        • K(c);S_FLIGHT,XS(C)
    • Try
      • Q(F);
      • Threat
        • DUALS(3)
      • Refutation
        • B(b);
    • Try
      • P(E);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT,XS(C)::QAR1(F)
      • Refutation
        • B(b);P_SPINB(b)
  • Actual
    • Q(F);
    • Threat
      • P(B)
    • Vars
      • K(c);S_FLIGHT,XS(C)::B(A)+P(B)
      • K(c);S_FLIGHT::B(A)
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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).