MESON Chess Problem Database

Problem Display
PID: 43244 (8/4p3/1N2p1B1/1K2k3/8/3P2R1/7P/7Q w - - 0 1)

Vandemeulebroucke, Ignaas

Schaak-Schild, 1982

8/4p3/1N2p1B1/1K2k3/8/3P2R1/7P/7Q

#2

7 + 3

102 Probleemblad 2002
5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qa1#
    • 1...Kf4
      • 2.Qe4#
  • Tries
    • 1.Kc5?
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf6!
    • 1.Kc6?
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf6!
    • 1.Sd7+?
      • 1...Kf4
        • 2.Qf3#
        • 2.Qe4#
        • 2.Qc1#
        • 2.Qf1#
      • 1...Kd6
        • 2.Qc6#
      • 1...Kd4!
    • 1.Rf3?
      • 1...Kd4
        • 2.Qa1#
      • 1...Kd6!
    • 1.Qc6?
      • 1...Kd4
        • 2.Qc5#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf6!
    • 1.Qa1+?
      • 1...Kf4
        • 2.Qd4#
      • 1...Kd6!
    • 1.Qc1?
      • 1...Kd4
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kf6!
    • 1.Qf1?
      • 1...Kd4
        • 2.Qa1#
      • 1...Kd6!
    • 1.Qg1?
      • 1...Kf4
        • 2.Qe3#
        • 2.Qd4#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kf6!
    • 1.d4+?
      • 1...Kxd4
        • 2.Qe4#
        • 2.Qa1#
      • 1...Kf4
        • 2.Qf3#
        • 2.Qe4#
        • 2.Qc1#
        • 2.Qf1#
      • 1...Kd6
        • 2.Qc6#
      • 1...Kf6!
  • Keys
    • 1.Qa8!
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kd6
        • 2.Qb8#
      • 1...Kf6
        • 2.Qh8#

Anticipated by 2159(0000)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB(A)
    • K(a);S_FLIGHT::QAR1(A)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAB(A)
      • K(a);S_FLIGHT::QAR1(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).