MESON Chess Problem Database

Problem Display
PID: 190193 (1Q6/8/K4p2/n7/3kP3/1P1p2P1/3P4/2R5 w - - 0 1)

Fleisch, Mihaly

Pesti Naplo, 1913

1Q6/8/K4p2/n7/3kP3/1P1p2P1/3P4/2R5

#2

7 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sc4
      • 2.Rxc4#
    • 1...Sc6
      • 2.Rc4#
    • 1...Sb7
      • 2.Rc4#
  • Tries
    • 1.Qd8+?
      • 1...Ke5
        • 2.Qd5#
      • 1...Kxe4!
    • 1.Qg8?
      • threat
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#
      • 1...Kxe4!
  • Keys
    • 1.Rc5!
      • 1...Kxe4
        • 2.Qf4#
      • 1...Kxc5
        • 2.Qb6#
      • 1...Sxb3
        • 2.Qb4#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Sc6
        • 2.Rc4#
      • 1...Sb7
        • 2.Rc4#
      • 1...f5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::R1(A),XS(c)
    • S(c);N_GUARD::R1(A)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(G)
      • Refutation
        • K(b);P-FLIGHT,XP(E)
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • K(b);S_FLIGHT::QAR1(G)
      • Refutation
        • K(b);P-FLIGHT,XP(E)
  • Actual
    • R(A);
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(E)::QAR1(G)
      • K(b);OGATEB,S_FLIGHT,XR(A)::QAB1(G)
      • S(c);N_GUARD,XP(C)::QAR2(G)
      • S(c);N_GUARD::R1(A),XS(c)
      • S(c);N_GUARD::R1(A)
      • P(d);N_GUARD::QAB1(G)
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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).