MESON Chess Problem Database

Problem Display
PID: 169042 (8/3k2P1/1P6/1N6/1K1BQ3/5N2/8/7B w - - 0 1)

Kapustin, Fedor Mikhailovich

Novitski, Petr Adrinovich

3rd Prize, SuperProblem 076. TT, 2013

8/3k2P1/1P6/1N6/1K1BQ3/5N2/8/7B

#2

8 + 1

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Se1?
      • 1...Kc8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Sg1?
      • 1...Kc8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Sd2?
      • 1...Kc8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Sh2?
      • 1...Kc8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Sh4?
      • 1...Kc8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Sg5?
      • 1...Kc8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Sd6?
      • 1...Kd8
        • 2.Qe8#
      • 1...Kxd6!
    • 1.Sc7?
      • 1...Kd6
        • 2.Qe6#
      • 1...Kd8
        • 2.Qe8#
      • 1...Kc8!
    • 1.Qc6+?
      • 1...Kxc6
        • 2.Se5#
      • 1...Kd8
        • 2.Bf6#
      • 1...Ke7!
    • 1.Qb7+?
      • 1...Kd8
        • 2.g8Q#
        • 2.g8R#
      • 1...Ke8
        • 2.g8Q#
        • 2.g8R#
      • 1...Ke6!
    • 1.Qe6+?
      • 1...Kd8
        • 2.Bf6#
        • 2.g8Q#
        • 2.g8R#
      • 1...Kxe6!
    • 1.Qe7+?
      • 1...Kc6
        • 2.Se1#
        • 2.Sg1#
        • 2.Sd2#
        • 2.Sh2#
        • 2.Sh4#
        • 2.Se5#
        • 2.Sg5#
      • 1...Kc8
        • 2.Qc7#
        • 2.g8Q#
        • 2.g8R#
      • 1...Kxe7!
  • Keys
    • 1.Qh7!
      • 1...Kc6
        • 2.Se5#
      • 1...Ke6
        • 2.g8Q#
        • 2.g8B#
      • 1...Ke7
        • 2.g8Q#
      • 1...Kc8
        • 2.g8Q#
        • 2.g8R#
      • 1...Kd8
        • 2.g8Q#
        • 2.g8R#
      • 1...Ke8
        • 2.g8Q#
        • 2.g8R#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);P-FLIGHT,XS(F)
    • Try
      • S(F);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT,XQ(E)::B(A)+S(B),DCHECK
        • K(a);P-FLIGHT::B(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(E)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(E)
  • Actual
    • Q(E);
    • Vars
      • K(a);S_FLIGHT::B(A)+S(B),DCHECK
      • K(a);S_FLIGHT::P=Q
      • K(a);P-FLIGHT::P=Q
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).