MESON Chess Problem Database

Problem Display
PID: 5040 (3B4/4p3/1pPRp2N/1K2k1pP/4N1P1/8/6QP/8 w - - 0 1)

van Dijk, Johannes

Tijdschrift vd NSB, 1897

3B4/4p3/1pPRp2N/1K2k1pP/4N1P1/8/6QP/8

#2

10 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Sd2?
      • 1...Kf4
        • 2.Qe4#
        • 2.Qg3#
      • 1...Kxd6
        • 2.Sc4#
        • 2.Sf7#
      • 1...exd6
        • 2.Qe4#
      • 1...Kf6!
    • 1.Sf2?
      • 1...Kf4
        • 2.Qe4#
        • 2.Qg3#
      • 1...Kxd6
        • 2.Sf7#
      • 1...exd6
        • 2.Qe4#
      • 1...Kf6!
    • 1.Sc3?
      • 1...Kf4
        • 2.Qe4#
        • 2.Qg3#
      • 1...Kxd6
        • 2.Sf7#
      • 1...exd6
        • 2.Qe4#
      • 1...Kf6!
    • 1.Sc5?
      • 1...Kf4
        • 2.Qe4#
        • 2.Qg3#
      • 1...Kxd6
        • 2.Sf7#
      • 1...Kf6
        • 2.Qb2#
      • 1...exd6
        • 2.Qe4#
      • 1...bxc5!
    • 1.Sf6?
      • 1...Kf4
        • 2.Qe4#
        • 2.Qg3#
      • 1...Kxd6
        • 2.Sf7#
      • 1...Kxf6
        • 2.Qb2#
      • 1...exd6
        • 2.Qe4#
      • 1...exf6!
    • 1.Rd4?
      • 1...Kf4
        • 2.Qg3#
      • 1...Kxd4!
  • Keys
    • 1.Sg3!
      • 1...Kf4
        • 2.Qe4#
      • 1...Kxd6
        • 2.Sf7#
      • 1...Kf6
        • 2.Qb2#
      • 1...exd6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • P(e);SBLOCK,XR(H)::QAR1(A)
      • Refutation
        • K(a);P_SPINP(d),S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT,XR(H)::S(I)
        • P(e);SBLOCK,XR(H)::QAR1(A)
      • Refutation
        • K(a);P_SPINP(d),S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT,XR(H)::S(I)
        • P(e);SBLOCK,XR(H)::QAR1(A)
      • Refutation
        • K(a);P_SPINP(d),S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT,XR(H)::S(I)
        • K(a);P_SPINP(d),S_FLIGHT::QAB(A)
        • P(e);SBLOCK,XR(H)::QAR1(A)
      • Refutation
        • P(c);XS(C)
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT,XR(H)::S(I)
        • K(a);P_SPINP(d),S_FLIGHT,XS(C)::QAB(A)
        • P(e);SBLOCK,XR(H)::QAR1(A)
      • Refutation
        • P(e);XS(C)
    • Try
      • R(H);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT,XR(H)
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);S_FLIGHT,XR(H)::S(I)
      • K(a);P_SPINP(d),S_FLIGHT::QAB(A)
      • P(e);SBLOCK,XR(H)::QAR1(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).