MESON Chess Problem Database

Problem Display
PID: 16051 (5r2/8/q1pnn3/1b3RpN/1N2k2p/7R/3P1Q2/b2B3K w - - 0 1)

Krizhanivsky, Vasil Viktorovich

Probleemblad, 2000

5r2/8/q1pnn3/1b3RpN/1N2k2p/7R/3P1Q2/b2B3K

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf5
      • 2.Qe3#
    • 1...Bd4
      • 2.Qf3#
    • 1...Sc4
      • 2.Bc2#
      • 2.d3#
    • 1...Sd4
      • 2.Re3#
  • Tries
    • 1.Rxh4+?
      • 1...Sf4
        • 2.Sg3#
      • 1...g4
        • 2.Sg3#
      • 1...gxh4!
  • Keys
    • 1.d4!
      • threat
        • 2.Re5#
      • 1...Rxf5
        • 2.Qe3#
      • 1...Bxd4
        • 2.Qf3#
      • 1...Sxf5
        • 2.Bf3#
      • 1...Sxd4
        • 2.Re3#
      • 1...Sc4
        • 2.Bc2#
      • 1...Sf7
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(j);SBLOCK,XR(G)::QAR1(D)
    • B(a);SBLOCK::QAB1(D)
    • S(i);SBLOCK::R1(E)
  • Tries
    • Try
      • R(E);CHECK,XP(c)
      • Vars
        • S(i);P_SPINS(i)::S(H)
        • P(e);P_SPINP(e)::S(H)
      • Refutation
        • P(e);XR(E)
  • Actual
    • P(C);
    • Threat
      • R1(G)
    • Vars
      • R(j);SBLOCK,XR(G)::QAR1(D)
      • B(a);SBLOCK,XP(C)::QAB1(D)
      • S(h);SBLOCK,XR(G)::B(A)
      • S(i);SBLOCK,XP(C)::R1(E)
      • S(h);S_CUTB(d)::B(A)
      • S(h);S_CUTR(j)::S(H)
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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).