MESON Chess Problem Database

Problem Display
PID: 162714 (1K6/2Q3R1/4Pk1p/2N5/3r1qnP/b3NRrB/4n2p/B7 w - - 0 1)

Thomas, Georg

Skakbladet, 1940

1K6/2Q3R1/4Pk1p/2N5/3r1qnP/b3NRrB/4n2p/B7

#2

10 + 9

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qf5
      • 2.Sd5#
      • 2.Rxf5#
    • 1...Sc1
      • 2.Rxf4#
    • 1...Sg1
      • 2.Rxf4#
    • 1...Sf2
      • 2.Sd5#
    • 1...Sxe3
      • 2.Se4#
    • 1...Se5
      • 2.Qe7#
  • Tries
    • 1.Sxg4+?
      • 1...Kf5
        • 2.Qe5#
      • 1...Rxg4!
    • 1.Bxd4+?
      • 1...Se5
        • 2.Sd5#
        • 2.Se4#
        • 2.Bxe5#
        • 2.Qxe5#
        • 2.Qe7#
        • 2.Qf7#
      • 1...Sxd4!
  • Keys
    • 1.h5!
      • threat
        • 2.Rg6#
      • 1...Sxe3
        • 2.Se4#
      • 1...Sf2
        • 2.Sd5#
      • 1...Se5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • S(a);N_GUARD::R(C),XQ(f)
    • S(g);::S(B)
    • S(g);XS(B)::S(F)
    • S(g);N_PINQ(H),N_SPINR(e),SBLOCK::QAB1(H)
  • Tries
    • Try
      • S(B);CHECK,XS(g)
      • Vars
        • K(h);N_SPINR(e),P-FLIGHT::QAR1(H)
      • Refutation
        • R(d);XS(B)
    • Try
      • B(A);CHECK,XR(e)
      • Refutation
        • S(a);XB(A)
  • Actual
    • P(E);
    • Threat
      • R1(I)
    • Vars
      • S(g);XS(B)::S(F)
      • S(g);::S(B)
      • S(g);N_PINQ(H),N_SPINR(e),SBLOCK::QAB1(H)
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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).