MESON Chess Problem Database

Problem Display
PID: 159771 (R5nk/2p4n/4NR2/2rpK1pb/2pB2p1/8/8/7Q w - - 0 1)

Dyachuk, Vasyl Vasilovich

Schach, 2000

R5nk/2p4n/4NR2/2rpK1pb/2pB2p1/8/8/7Q

#2

6 + 10

SOLUTION

  • SOUND
  • Tries
    • 1.Rh6?
      • threat
        • 2.Kf5#
      • 1...Be8
        • 2.Rxh7#
      • 1...Bg6!
  • Keys
    • 1.Kf5!
      • threat
        • 2.Rh6#
      • 1...Bg6+
        • 2.Rxg6#
      • 1...Sxf6
        • 2.Qxh5#
      • 1...Be8
        • 2.Rf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);N_PINS(i),P_PINS(h)
      • Threat
        • B(B)+K(C)
      • Vars
        • B(f);::R1(E),XS(h)
      • Refutation
        • B(f);
  • Actual
    • K(C);P-FLIGHT
    • Threat
      • B(B)+R(E)
    • Vars
      • B(f);CHECK,N_SPINS(i),P_SPINS(h)::B(B)+R(E),XB(f)
      • S(h);N_SPINS(i),OGATEB,P_SPINB(f),P_SPINS(h),XR(E)::QAR(A),XB(f)
      • B(f);N_SPINS(i),P_SPINS(h)::B(B)+R(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).