MESON Chess Problem Database

Problem Display
PID: 190153 (4K3/8/1P6/3NkP2/7P/1P1p4/3P2B1/6Q1 w - - 0 1)

Leopold, Dr Rudolf L

Magyar Sakkvilag, 1913

4K3/8/1P6/3NkP2/7P/1P1p4/3P2B1/6Q1

#2

9 + 2

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Se7?
      • 1...Kd6
        • 2.Qd4#
      • 1...Kf6
        • 2.Qd4#
        • 2.Qa1#
      • 1...Kf4!
    • 1.Qe3+?
      • 1...Kxf5
        • 2.Qe4#
      • 1...Kd6!
    • 1.Qd4+?
      • 1...Kxf5
        • 2.Qe4#
      • 1...Kd6
        • 2.Sc3#
        • 2.Se3#
        • 2.Sb4#
        • 2.Sf4#
        • 2.Sf6#
        • 2.Sc7#
        • 2.Se7#
      • 1...Kxd4!
    • 1.Qc1?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kxf5!
    • 1.Qe1+?
      • 1...Kd4
        • 2.Qe3#
      • 1...Kxf5
        • 2.Qe4#
      • 1...Kd6!
  • Keys
    • 1.Se3!
      • 1...Kd4
        • 2.Sc4#
        • 2.Sg4#
      • 1...Kf4
        • 2.Qh2#
      • 1...Kd6
        • 2.Sc4#
      • 1...Kf6
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Vars
        • K(b);S_FLIGHT::QAR2(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(G)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(G)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT,XP(G)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
        • K(b);P-FLIGHT,XP(G)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(b);S_FLIGHT::QAB(A)
      • K(b);S_FLIGHT::S(F)
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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).