MESON Chess Problem Database

Problem Display
PID: 46506 (8/Bk6/8/8/Q6p/7B/6p1/6K1 w - - 0 1)

Bukne, Roald

Dagbladet, 1955

8/Bk6/8/8/Q6p/7B/6p1/6K1

#2

4 + 3

4884 154 norske miniatyrproblemer 1974
4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Kc7
      • 2.Qd7#
    • 1...Ka8
      • 2.Bxg2#
  • Tries
    • 1.Kxg2?
      • 1...Kc7
        • 2.Qd7#
      • 1...Ka8!
    • 1.Bg4?
      • 1...Kc7
        • 2.Qd7#
      • 1...Ka8
        • 2.Bf3#
      • 1...h3!
    • 1.Bf5?
      • 1...Kc7
        • 2.Qd7#
      • 1...Ka8
        • 2.Be4#
      • 1...h3!
    • 1.Be6?
      • 1...Kc7
        • 2.Qd7#
      • 1...Ka8
        • 2.Bd5#
      • 1...h3!
    • 1.Bf2?
      • 1...Kb8
        • 2.Qa7#
      • 1...Kc7!
    • 1.Be3?
      • 1...Kb8
        • 2.Qa7#
      • 1...Kc7!
    • 1.Bd4?
      • 1...Kb8
        • 2.Qa7#
      • 1...Kc7!
    • 1.Bc5?
      • 1...Kb8
        • 2.Qa7#
      • 1...Kc7!
    • 1.Bb6?
      • 1...Kb8
        • 2.Qa7#
      • 1...Kxb6!
    • 1.Qb5+?
      • 1...Kc7
        • 2.Qd7#
        • 2.Qb6#
      • 1...Ka8
        • 2.Qb8#
      • 1...Kxa7!
    • 1.Qd7+?
      • 1...Ka8
        • 2.Bxg2#
      • 1...Ka6!
    • 1.Qa5?
      • 1...Ka8
        • 2.Bxg2#
      • 1...Kc6!
    • 1.Qa6+?
      • 1...Kc7
        • 2.Qb6#
      • 1...Ka8
        • 2.Bxg2#
      • 1...Kxa6!
  • Keys
    • 1.Qd4!
      • 1...Ka6
        • 2.Qb6#
      • 1...Kc6
        • 2.Qd7#
      • 1...Kc7
        • 2.Qb6#
        • 2.Qd7#
      • 1...Ka8
        • 2.Bxg2#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(c);P-FLIGHT::QAR1(C)
    • K(c);S_FLIGHT::B(B),XP(a)
  • Tries
    • Try
      • K(A);P-FLIGHT,XP(a)
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
        • K(c);S_FLIGHT::B(B)
      • Refutation
        • P(b);
    • Try
      • B(B);
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
        • K(c);S_FLIGHT::B(B)
      • Refutation
        • P(b);
    • Try
      • B(B);
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
        • K(c);S_FLIGHT::B(B)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
      • Refutation
        • K(c);P-FLIGHT,XB(D)
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • K(c);P-FLIGHT,XB(D)
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);S_FLIGHT::B(B),XP(a)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(c);S_FLIGHT::B(B),XP(a)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
        • K(c);S_FLIGHT::B(B),XP(a)
      • Refutation
        • K(c);S_FLIGHT,XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(c);S_FLIGHT::QAR1(C)
      • K(c);S_FLIGHT::QAB1(C)
      • K(c);S_FLIGHT::B(B),XP(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).