MESON Chess Problem Database

Problem Display
PID: 244852 (5B2/8/5p2/6k1/5N2/3K3P/5R2/Q7 w - - 0 1)

Gold, Samuel

Wiener Hausfrauen-Zeitung, 1893

5B2/8/5p2/6k1/5N2/3K3P/5R2/Q7

#2

6 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qa5#
  • Tries
    • 1.Bg7?
      • threat
        • 2.Qxf6#
      • 1...Kf5
        • 2.Qxf6#
        • 2.Qa5#
      • 1...f5
        • 2.Qf6#
      • 1...Kh4!
    • 1.Rg2+?
      • 1...Kxf4
        • 2.Qxf6#
      • 1...Kh4
        • 2.Rg4#
        • 2.Qxf6#
        • 2.Qe1#
      • 1...Kf5!
    • 1.Rf3?
      • 1...Kh4
        • 2.Qxf6#
      • 1...Kf5
        • 2.Qa5#
      • 1...f5!
    • 1.Qd4?
      • 1...Kf5
        • 2.Qc5#
        • 2.Qd5#
      • 1...f5
        • 2.Qd8#
      • 1...Kh4!
    • 1.Qd1?
      • threat
        • 2.Qg4#
        • 2.Qh5#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kf5
        • 2.Qh5#
      • 1...f5!
    • 1.Qg1+?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kf5!
    • 1.Qa3?
      • 1...Kf5
        • 2.Qc5#
        • 2.Qa5#
      • 1...f5
        • 2.Qe7#
      • 1...Kh4!
    • 1.Qa5+?
      • 1...f5
        • 2.Qd8#
      • 1...Kh4!
    • 1.Qa6?
      • 1...Kf5
        • 2.Qb5#
        • 2.Qa5#
      • 1...f5
        • 2.Be7#
        • 2.Qh6#
      • 1...Kh4!
    • 1.Qa7?
      • 1...Kf5
        • 2.Qc5#
        • 2.Qa5#
      • 1...f5
        • 2.Qe7#
      • 1...Kh4!
    • 1.Qa8?
      • 1...Kf5
        • 2.Qd5#
        • 2.Qa5#
      • 1...f5
        • 2.Qd8#
      • 1...Kh4!
  • Keys
    • 1.Qe1!
      • 1...Kh4
        • 2.Rg2#
      • 1...Kf5
        • 2.Qa5#
      • 1...f5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR(A)
  • Tries
    • Try
      • B(F);
      • Threat
        • QAB1(A),XP(b)
      • Vars
        • P(b);::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(a);S_FLIGHT,XS(E)::QAR2(A),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT::QAB(A),XP(b)
        • K(a);P-FLIGHT::QAR(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Vars
        • P(b);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • P(b);OGATEB,P_SPINP(b),SBLOCK::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAB(A)+R(B)
      • K(a);P-FLIGHT::QAR(A)
      • P(b);OGATEB,SBLOCK::QAB(A)
HTML5 logo

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).