MESON Chess Problem Database

Problem Display
PID: 160722 (4Q3/6K1/2p5/8/2Bk4/3P4/8/2B5 w - - 0 1)

Antipin, Ivan Ivanovich

Sem Shakhmatnikh not, 2016

4Q3/6K1/2p5/8/2Bk4/3P4/8/2B5

#2

5 + 2

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Bb2#
  • Tries
    • 1.Ba3?
      • 1...c5
        • 2.Bb2#
      • 1...Kc3!
    • 1.Qxc6?
      • 1...Ke5
        • 2.Qd5#
        • 2.Qc5#
        • 2.Qf6#
      • 1...Kc3!
    • 1.Qe1?
      • 1...c5
        • 2.Bb2#
      • 1...Kc5!
    • 1.Qe2?
      • 1...Kc3
        • 2.Qb2#
      • 1...c5
        • 2.Bb2#
        • 2.Qb2#
      • 1...Kc5!
    • 1.Qd8+?
      • 1...Kc5
        • 2.Ba3#
      • 1...Ke5
        • 2.Qf6#
      • 1...Kc3!
    • 1.Qf8?
      • 1...Ke5
        • 2.Bb2#
        • 2.Qc5#
        • 2.Qf4#
        • 2.Qf6#
      • 1...c5
        • 2.Qf6#
      • 1...Kc3!
  • Keys
    • 1.Qb8!
      • 1...Kc3
        • 2.Qb2#
      • 1...Kc5
        • 2.Be3#
      • 1...c5
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::B(A)
  • Tries
    • Try
      • B(A);
      • Vars
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • P(b);SBLOCK::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • P(b);SBLOCK::QAB(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);S_FLIGHT::QAB1(E)
      • K(a);S_FLIGHT::B(A)
      • P(b);SBLOCK::QAB(E)
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).