MESON Chess Problem Database

Problem Display
PID: 121597 (5Q2/5p2/B2P1Nk1/7p/4K2b/6p1/6P1/8 w - - 0 1)

Gavriliv, Evgeni M

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Comm., Michel MT, 1979

5Q2/5p2/B2P1Nk1/7p/4K2b/6p1/6P1/8

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kg5
      • 2.Qg7#
    • 1...Kxf6
      • 2.Qh6#
  • Tries
    • 1.Kf4?
      • 1...Kxf6
        • 2.Qh6#
      • 1...Bxf6
        • 2.Bd3#
      • 1...Bg5+!
    • 1.Ke5?
      • 1...Kg5
        • 2.Qg7#
      • 1...Bg5
        • 2.Bd3#
      • 1...Bxf6+!
  • Keys
    • 1.Bd3!
      • 1...Kg5
        • 2.Qg7#
      • 1...Kxf6
        • 2.Qh6#
      • 1...Bxf6
        • 2.Kf4#
      • 1...Bg5
        • 2.Ke5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);P-FLIGHT::QAR2(F)
    • K(d);P-FLIGHT,P_SPINP(e),XS(E)::QAR2(F)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(d);P-FLIGHT,P_SPINP(e),XS(E)::QAR2(F)
        • B(b);SBLOCK,XS(E)::B(C)
      • Refutation
        • B(b);CHECK
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(d);P-FLIGHT::QAR2(F)
        • B(b);SBLOCK::B(C)
      • Refutation
        • B(b);CHECK,XS(E)
  • Actual
    • B(C);
    • Vars
      • K(d);P-FLIGHT::QAR2(F)
      • K(d);P-FLIGHT,P_SPINP(e),XS(E)::QAR2(F)
      • B(b);SBLOCK,XS(E)::B(C)+K(B)
      • B(b);SBLOCK::B(C)+K(B)
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).