MESON Chess Problem Database

Problem Display
PID: 48003 (8/4NK2/3B4/8/3kp3/3P4/3Q4/8 w - - 0 1)

Bunka, Valeri

Praca, 1983

8/4NK2/3B4/8/3kp3/3P4/3Q4/8

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Bc5+?
      • 1...Ke5
        • 2.Qg5#
        • 2.Qh2#
        • 2.d4#
      • 1...Kxc5!
    • 1.Be5+?
      • 1...Kc5
        • 2.Qa5#
      • 1...Kxe5!
  • Keys
    • 1.Bb4!
      • 1...Ke5
        • 2.d4#
      • 1...exd3
        • 2.Qf4#
      • 1...e3
        • 2.Qc3#

This anticipates 157942(1986), 267949(1995), 151790(2009)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XB(C)
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT,XB(C)
  • Actual
    • B(C);
    • Vars
      • K(a);OGATE,S_FLIGHT::P(B)
      • P(b);OGATEB,P_SPINP(b),SBLOCK,XP(B)::QAR2(A)
      • P(b);SBLOCK::QAB1(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).