MESON Chess Problem Database

Problem Display
PID: 160723 (K7/8/3p4/3kp3/8/7B/8/2Q3B1 w - - 0 1)

Antipin, Ivan Ivanovich

Sem Shakhmatnikh not, 2016

K7/8/3p4/3kp3/8/7B/8/2Q3B1

#2

4 + 3

15148 Sadier Collection 2017
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Bg4?
      • 1...Ke4
        • 2.Qc4#
      • 1...e4!
    • 1.Be6+?
      • 1...Ke4
        • 2.Qe3#
      • 1...Kxe6!
    • 1.Qb1?
      • 1...Kc6
        • 2.Qb7#
      • 1...e4
        • 2.Qb5#
      • 1...Kc4!
  • Keys
    • 1.Qf1!
      • 1...Ke4
        • 2.Bg2#
      • 1...Kc6
        • 2.Qc4#
      • 1...e4
        • 2.Qb5#

Anticipated by 28904(1923)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XB(C)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::B(C)
      • K(a);S_FLIGHT::QAR2(A)
      • P(b);SBLOCK::QAR2(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).