MESON Chess Problem Database

Problem Display
PID: 255797 (8/R4B2/K5Pp/1RB2Nk1/6P1/3P3p/3P3N/8 w - - 0 1)

Chernyavsky, Mykola Vasilovich

Murashev, Pavel Aleksandrovich

Mansfield-125 MT (Kudesnik), 2019-2020

8/R4B2/K5Pp/1RB2Nk1/6P1/3P3p/3P3N/8

#2

11 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Be3#
    • 1...Kf6
      • 2.Be7#
  • Tries
    • 1.Ka5?
      • 1...Kf4
        • 2.Be3#
      • 1...Kf6
        • 2.Be7#
      • 1...h5!
    • 1.Kb6?
      • 1...Kf4
        • 2.Be3#
      • 1...Kf6
        • 2.Be7#
      • 1...h5!
    • 1.Kb7?
      • 1...Kf4
        • 2.Be3#
      • 1...Kf6
        • 2.Be7#
      • 1...h5!
    • 1.Sh4?
      • 1...Kf4
        • 2.Bd6#
      • 1...Kxh4
        • 2.Bf2#
      • 1...Kf6
        • 2.Bd4#
      • 1...h5!
    • 1.Se7?
      • 1...Kf4
        • 2.Bd6#
      • 1...Kh4
        • 2.Bf2#
      • 1...Kf6
        • 2.Bd4#
      • 1...h5!
    • 1.Sg7?
      • 1...Kf4
        • 2.Bd6#
      • 1...Kh4
        • 2.Bf2#
      • 1...Kf6
        • 2.Bd4#
      • 1...h5!
    • 1.Bf2?
      • 1...Kf4
        • 2.Be3#
      • 1...Kf6
        • 2.Bh4#
      • 1...h5!
    • 1.Bd4?
      • 1...Kf4
        • 2.Be3#
      • 1...h5!
    • 1.Bb6?
      • 1...Kf4
        • 2.Be3#
      • 1...Kf6
        • 2.Bd8#
      • 1...h5!
    • 1.Bd6?
      • 1...Kf6
        • 2.Be7#
      • 1...h5!
    • 1.Bf8?
      • 1...Kf4
        • 2.Bxh6#
      • 1...Kf6
        • 2.Be7#
      • 1...h5!
    • 1.Ra5?
      • 1...Kf4
        • 2.Be3#
      • 1...Kf6
        • 2.Be7#
      • 1...h5!
    • 1.Rab7?
      • 1...Kf4
        • 2.Be3#
      • 1...Kf6
        • 2.Be7#
      • 1...h5!
    • 1.Rc7?
      • 1...Kf4
        • 2.Be3#
      • 1...Kf6
        • 2.Be7#
      • 1...h5!
    • 1.Rd7?
      • 1...Kf4
        • 2.Be3#
      • 1...Kf6
        • 2.Be7#
      • 1...h5!
    • 1.Ra8?
      • 1...Kf4
        • 2.Be3#
      • 1...Kf6
        • 2.Be7#
      • 1...h5!
  • Keys
    • 1.Sxh6!
      • 1...Kf4
        • 2.Bd6#
      • 1...Kh4
        • 2.Bf2#
      • 1...Kf6
        • 2.Bd4#
      • 1...Kxh6
        • 2.Bf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);N_GUARD,S_FLIGHT::B(F)
  • Tries
    • Try
      • K(H);P-FLIGHT
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • K(H);P-FLIGHT
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • K(H);S_FLIGHT
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • S(G);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
        • K(b);N_GUARD,S_FLIGHT,XS(G)::B(F)
      • Refutation
        • P(c);
    • Try
      • S(G);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • S(G);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • B(F);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • B(F);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • B(F);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • B(F);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • B(F);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F),XP(c)
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • R(E);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • R(J);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • R(J);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • R(J);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
    • Try
      • R(J);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(c);
  • Actual
    • S(G);XP(c)
    • Vars
      • K(b);N_GUARD,S_FLIGHT::B(F)
      • K(b);N_GUARD,S_FLIGHT,XS(G)::B(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).