MESON Chess Problem Database

Problem Display
PID: 183766 (5B2/K3P2r/N2k4/8/b7/2N2B2/4Q3/8 w - - 0 1)

Weenink, Henri Gerard Maria

Evening Standard, 1927

(First published on Mon Oct 24 1927)

5B2/K3P2r/N2k4/8/b7/2N2B2/4Q3/8

#2

7 + 3

16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Kd7
      • 2.e8Q#
    • 1...Rh1
      • 2.e8Q#
      • 2.e8B#
    • 1...Rh2
      • 2.e8Q#
      • 2.e8B#
    • 1...Rh3
      • 2.e8Q#
      • 2.e8B#
    • 1...Rh4
      • 2.e8Q#
      • 2.e8B#
    • 1...Rh5
      • 2.e8Q#
      • 2.e8B#
    • 1...Rh6
      • 2.e8Q#
      • 2.e8B#
    • 1...Rxe7+
      • 2.Qxe7#
    • 1...Bd7
      • 2.e8S#
  • Tries
    • 1.Sb5+?
      • 1...Kd7
        • 2.e8Q#
      • 1...Bxb5!
    • 1.Qe5+?
      • 1...Kd7
        • 2.e8Q#
      • 1...Kxe5!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Qe6#
      • 1...Rxe7+
        • 2.Qxe7#
      • 1...Kd7
        • 2.e8Q#
      • 1...Rh6
        • 2.e8Q#
        • 2.e8B#
      • 1...Bd7
        • 2.e8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);N_PINP(F),P-FLIGHT::P=Q
    • R(c);N_PINP(F)::P=Q
    • R(c);CHECK,OGATE,P_SPINR(c),XP(F)::QAB1(A),XR(c)
    • B(a);N_PINP(F),SBLOCK::P=S
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(b);N_PINP(F),P-FLIGHT::P=Q
      • Refutation
        • B(a);XS(B)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);N_PINP(F),P-FLIGHT::P=Q
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
  • Actual
    • B(C);
    • Threat
      • QAR1(A)
    • Vars
      • R(c);CHECK,OGATE,P_SPINR(c),XP(F)::QAB1(A),XR(c)
      • K(b);N_PINP(F),P-FLIGHT::P=Q
      • R(c);N_PINP(F)::P=Q
      • B(a);N_PINP(F),SBLOCK::P=S
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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).