MESON Chess Problem Database

Problem Display
PID: 175081 (8/8/5N2/3Pp3/1p2PR1r/4k1p1/2P3P1/Q2Kn3 w - - 0 1)

Stritecky Blazej

Nove parizske mody, 1902

8/8/5N2/3Pp3/1p2PR1r/4k1p1/2P3P1/Q2Kn3

#2

8 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf4
      • 2.Qc1#
    • 1...Rxf4
      • 2.Qa7#
    • 1...Sxc2
      • 2.Rf3#
    • 1...Sd3
      • 2.Rf3#
    • 1...Sf3
      • 2.Rxf3#
    • 1...exf4
      • 2.Qa7#
  • Tries
    • 1.Kxe1?
      • threat
        • 2.Rf3#
      • 1...Kxf4
        • 2.Qc1#
      • 1...Rxf4
        • 2.Qa7#
      • 1...exf4
        • 2.Qa7#
      • 1...Rh1+!
    • 1.Qc3+?
      • 1...Kxf4
        • 2.Qd2#
      • 1...Sd3
        • 2.Rf3#
      • 1...bxc3!
  • Keys
    • 1.d6!
      • threat
        • 2.Sd5#
      • 1...Kxf4
        • 2.Qc1#
      • 1...Rxf4
        • 2.Qa7#
      • 1...Sxc2
        • 2.Rf3#
      • 1...exf4
        • 2.Qa7#
      • 1...Sf3
        • 2.Rxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT,XR(F)::QAB(A)
    • R(e);SBLOCK,XR(F)::QAB(A)
    • S(a);N_GUARD,XP(C)::R1(F)
    • S(a);N_GUARD::R1(F)
    • S(a);N_GUARD::R1(F),XS(a)
    • P(f);SBLOCK,XR(F)::QAB(A)
  • Tries
    • Try
      • K(B);P-FLIGHT,XS(a)
      • Threat
        • R1(F)
      • Vars
        • K(b);S_FLIGHT,XR(F)::QAB(A)
        • R(e);SBLOCK,XR(F)::QAB(A)
        • P(f);SBLOCK,XR(F)::QAB(A)
      • Refutation
        • R(e);CHECK
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT,XR(F)::QAB(A)
        • S(a);P_SPINS(a)::R1(F)
      • Refutation
        • P(d);XQ(A)
  • Actual
    • P(G);
    • Threat
      • S(H)
    • Vars
      • K(b);S_FLIGHT,XR(F)::QAB(A)
      • R(e);SBLOCK,XR(F)::QAB(A)
      • S(a);N_GUARD,XP(C)::R1(F)
      • P(f);SBLOCK,XR(F)::QAB(A)
      • S(a);N_GUARD::R1(F),XS(a)
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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).