MESON Chess Problem Database

Problem Display
PID: 259086 (2Q5/7B/1P4r1/KP1p1r1b/7n/p1B5/NNkP1R1b/R7 w - - 0 1)

Seilberger, Johann Joseph Petrus Adrianus

Western Morning News, 1923

(First published on Sat Mar 17 1923)

2Q5/7B/1P4r1/KP1p1r1b/7n/p1B5/NNkP1R1b/R7

#2

11 + 8

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Be5+?
      • 1...Kb3
        • 2.Sc1#
        • 2.Qc3#
      • 1...Rc6!
    • 1.Bf6+?
      • 1...Kb3
        • 2.Sc1#
        • 2.Qc3#
      • 1...Bc7!
    • 1.Qxf5+?
      • 1...Kb3
        • 2.Sc1#
      • 1...Sxf5!
    • 1.Qc4?
      • threat
        • 2.Sb4#
        • 2.Rc1#
        • 2.Qa4#
      • 1...axb2
        • 2.Sb4#
      • 1...Rf4
        • 2.Sb4#
        • 2.Rc1#
      • 1...Rg1
        • 2.Sb4#
        • 2.Qa4#
      • 1...Rg4
        • 2.Sb4#
        • 2.Rc1#
        • 2.d4#
      • 1...Bd6
        • 2.Rc1#
        • 2.Qa4#
      • 1...dxc4!
  • Keys
    • 1.Ka4!
      • threat
        • 2.Sb4#
        • 2.Rc1#
      • 1...Rf4+
        • 2.Bd4#
      • 1...Rg4+
        • 2.d4#
      • 1...axb2
        • 2.Sb4#
      • 1...Rg1
        • 2.Sb4#
        • 2.Be5#
      • 1...Bd6
        • 2.Rc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);CHECK
      • Refutation
        • R(h);P_SPINR(f)
    • Try
      • B(F);CHECK
      • Refutation
        • B(b);P_PINP(I),P_SPINB(b)
    • Try
      • Q(K);CHECK,XR(f)
      • Vars
        • K(a);S_CUTS(d),S_FLIGHT::S(B)
      • Refutation
        • S(d);XQ(K)
    • Try
      • Q(K);
      • Threat
        • DUALS(3)
      • Vars
        • P(c);XS(C)::S(B)
      • Refutation
        • P(e);P_PINP(H),XQ(K)
  • Actual
    • K(G);P-FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • R(f);CHECK,P_SPINR(h),S_CUTB(b)::QAR(K)+B(F)
      • R(h);CHECK,P_SPINR(f),S_CUTB(g)::R(E)+P(D)
      • P(c);XS(C)::S(B)
      • B(b);::R1(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).