MESON Chess Problem Database

Problem Display
PID: 62467 (4B3/8/3B4/1p1k4/2N5/4P3/8/3K1Q2 w - - 0 1)

Papot, AP

Tijdschrift vd NSB, 1896

4B3/8/3B4/1p1k4/2N5/4P3/8/3K1Q2

#2

6 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Bc6#
    • 1...Ke6
      • 2.Qf7#
  • Tries
    • 1.Ba3?
      • 1...Ke4
        • 2.Bc6#
      • 1...Ke6
        • 2.Qf7#
      • 1...bxc4
        • 2.Qf5#
      • 1...b4!
    • 1.Be7?
      • 1...Ke4
        • 2.Bc6#
      • 1...Ke6
        • 2.Qf7#
      • 1...bxc4
        • 2.Qf5#
      • 1...b4!
    • 1.Bf8?
      • 1...Ke4
        • 2.Bc6#
      • 1...Ke6
        • 2.Qf7#
      • 1...bxc4
        • 2.Qf5#
      • 1...b4!
    • 1.Bxb5?
      • threat
        • 2.Qf5#
      • 1...Ke4
        • 2.Bc6#
      • 1...Ke6!
    • 1.Bd7?
      • threat
        • 2.Qd3#
      • 1...Ke4
        • 2.Bc6#
        • 2.Qf5#
      • 1...bxc4!
    • 1.Qf3+?
      • 1...Ke6
        • 2.Qf7#
      • 1...Kxc4!
    • 1.Qf4?
      • 1...Ke6
        • 2.Qe5#
        • 2.Qf7#
      • 1...bxc4
        • 2.Qe5#
      • 1...b4!
  • Keys
    • 1.Bb4!
      • 1...Ke4
        • 2.Bc6#
      • 1...Ke6
        • 2.Qf7#
      • 1...bxc4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(F)
    • K(b);S_FLIGHT::QAB1(B)
  • Tries
    • Try
      • B(E);
      • Vars
        • K(b);S_FLIGHT::B(F)
        • K(b);S_FLIGHT::QAB1(B)
        • P(a);SBLOCK,XS(D)::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • B(E);
      • Vars
        • K(b);S_FLIGHT::B(F)
        • K(b);S_FLIGHT::QAB1(B)
        • P(a);SBLOCK,XS(D)::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • B(E);
      • Vars
        • K(b);S_FLIGHT::B(F)
        • K(b);S_FLIGHT::QAB1(B)
        • P(a);SBLOCK,XS(D)::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • B(F);XP(a)
      • Threat
        • QAR2(B)
      • Vars
        • K(b);S_FLIGHT::B(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);
      • Threat
        • QAR2(B)
      • Refutation
        • P(a);XS(D)
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT,XS(D)
    • Try
      • Q(B);
      • Vars
        • P(a);SBLOCK,XS(D)::QAR1(B)
      • Refutation
        • P(a);
  • Actual
    • B(E);
    • Vars
      • K(b);S_FLIGHT::B(F)
      • K(b);S_FLIGHT::QAB1(B)
      • P(a);SBLOCK,XS(D)::QAR2(B)
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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).