MESON Chess Problem Database

Problem Display
PID: 251245 (Q7/K2p3N/3k4/3B4/P7/4P3/2N1p3/4B3 w - - 0 1)

Niemeijer, Meindert

Probleemblad, 1982

Q7/K2p3N/3k4/3B4/P7/4P3/2N1p3/4B3

#2

8 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Bb4#
    • 1...Kc7
      • 2.Qb8#
    • 1...Ke7
      • 2.Qf8#
  • Tries
    • 1.Kb6?
      • 1...Ke7
        • 2.Qf8#
      • 1...Ke5!
    • 1.Sd4?
      • 1...Ke5
        • 2.Bg3#
      • 1...Kc7
        • 2.Sb5#
        • 2.Qb8#
      • 1...Ke7
        • 2.Sf5#
        • 2.Qf8#
      • 1...Kc5!
    • 1.Bg3+?
      • 1...Ke7
        • 2.Qf8#
      • 1...Kc5!
    • 1.Bb4+?
      • 1...Kc7
        • 2.Qb8#
      • 1...Ke5!
    • 1.Ba2?
      • 1...Kc5
        • 2.Bb4#
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#
      • 1...Ke7
        • 2.Qf8#
      • 1...Kc7!
    • 1.Bb3?
      • 1...Kc5
        • 2.Bb4#
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#
      • 1...Ke7
        • 2.Qf8#
      • 1...Kc7!
    • 1.Bc4?
      • 1...Kc5
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#
      • 1...Ke7
        • 2.Qf8#
      • 1...Kc7!
    • 1.Bf7?
      • 1...Kc5
        • 2.Bb4#
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#
      • 1...Ke7
        • 2.Qf8#
      • 1...Kc7!
    • 1.Bg8?
      • 1...Kc5
        • 2.Bb4#
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#
      • 1...Ke7
        • 2.Qf8#
      • 1...Kc7!
    • 1.Qg8?
      • 1...Kc5
        • 2.Bb4#
      • 1...Kc7
        • 2.Qb8#
      • 1...Ke7
        • 2.Qf8#
      • 1...Ke5!
  • Keys
    • 1.e4!
      • 1...Kc5
        • 2.Bb4#
      • 1...Ke5
        • 2.Bg3#
      • 1...Kc7
        • 2.Qb8#
      • 1...Ke7
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);N_GUARD,S_FLIGHT::B(A)
    • K(b);N_GUARD,S_FLIGHT::QAB1(H)
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAB1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(A);CHECK
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAB1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(A);CHECK
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAB1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAR1(H)
        • K(b);N_GUARD,S_FLIGHT::QAB1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAR1(H)
        • K(b);N_GUARD,S_FLIGHT::QAB1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAR1(H)
        • K(b);N_GUARD,S_FLIGHT::QAB1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAR1(H)
        • K(b);N_GUARD,S_FLIGHT::QAB1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAR1(H)
        • K(b);N_GUARD,S_FLIGHT::QAB1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(A)
        • K(b);N_GUARD,S_FLIGHT::QAB1(H)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(b);N_GUARD,S_FLIGHT::B(A)
      • K(b);N_GUARD,S_FLIGHT::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).