MESON Chess Problem Database

Problem Display
PID: 257837 (8/8/B7/6RQ/5N2/8/3K2PP/6k1 w - - 0 1)

Klipachev, Vladimir Panteleevich

Zadachi i Etyudi, 2007

8/8/B7/6RQ/5N2/8/3K2PP/6k1

#2

7 + 1

3713 Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kf2
      • 2.Sh3#
  • Tries
    • 1.Se2+?
      • 1...Kf1
        • 2.Qf3#
        • 2.Qf7#
      • 1...Kf2
        • 2.Qf3#
        • 2.Qf7#
      • 1...Kh1!
    • 1.Sd3?
      • 1...Kf1
        • 2.Qd1#
      • 1...Kh1!
    • 1.Be2?
      • 1...Kf2
        • 2.Sh3#
      • 1...Kh1!
    • 1.Bd3?
      • 1...Kf2
        • 2.Sh3#
      • 1...Kh1!
    • 1.Bc4?
      • 1...Kf2
        • 2.Sh3#
      • 1...Kh1!
    • 1.Bb5?
      • 1...Kf2
        • 2.Sh3#
      • 1...Kh1!
    • 1.Rg3?
      • 1...Kf2
        • 2.Sh3#
        • 2.Qc5#
      • 1...Kh1!
    • 1.Rg4?
      • 1...Kf2
        • 2.Sh3#
        • 2.Qc5#
      • 1...Kh1!
    • 1.Rc5?
      • 1...Kh1
        • 2.Rc1#
      • 1...Kf2!
    • 1.Re5?
      • 1...Kh1
        • 2.Re1#
      • 1...Kf2!
    • 1.Rg6?
      • 1...Kf2
        • 2.Sh3#
        • 2.Qc5#
      • 1...Kh1!
    • 1.Rg7?
      • 1...Kf2
        • 2.Sh3#
        • 2.Qc5#
      • 1...Kh1!
    • 1.Rg8?
      • 1...Kf2
        • 2.Sh3#
        • 2.Qc5#
      • 1...Kh1!
    • 1.Qd1+?
      • 1...Kf2
        • 2.Sd3#
        • 2.Sh3#
        • 2.Qe1#
        • 2.Qf1#
      • 1...Kxh2!
    • 1.Qh3?
      • 1...Kf2
        • 2.Qe3#
      • 1...Kh1!
    • 1.Qh6?
      • 1...Kf2
        • 2.Sh3#
        • 2.Qb6#
      • 1...Kh1!
    • 1.Qh7?
      • 1...Kf2
        • 2.Sh3#
        • 2.Qa7#
      • 1...Kh1!
    • 1.Qh8?
      • 1...Kf2
        • 2.Sh3#
        • 2.Qd4#
      • 1...Kh1!
  • Keys
    • 1.Ra5!
      • 1...Kh1
        • 2.Ra1#
      • 1...Kf2
        • 2.Qc5#

This anticipates 263449(2009)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,S_FLIGHT::S(D)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(G);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::S(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(G);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::S(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(G);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::S(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(G);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::S(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);CHECK
      • Refutation
        • K(a);S_FLIGHT,XP(C)
    • Try
      • Q(F);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(E);
    • Vars
      • K(a);N_GUARD,P-FLIGHT::R(E)
      • K(a);N_GUARD,S_FLIGHT::QAB(F)
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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).