MESON Chess Problem Database

Problem Display
PID: 187238 (2R3N1/2n2K2/r4np1/1P1kPp2/PP1N2p1/1p6/b1rPpQ1B/1B2R3 w - - 0 1)

Anonymous

12. Kwik-Toernooi, 1979

2R3N1/2n2K2/r4np1/1P1kPp2/PP1N2p1/1p6/b1rPpQ1B/1B2R3

#2

13 + 11

102 Probleemblad 1979

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Se7#
    • 1...Se6
      • 2.Sxf6#
  • Tries
    • 1.Se7+?
      • 1...Ke4
        • 2.Qe3#
      • 1...Kc4!
  • Keys
    • 1.Sxe2!
      • threat
        • 2.Qd4#
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Sf4#
      • 1...Rxd2
        • 2.Qc5#
      • 1...Sxb5
        • 2.Sf4#
      • 1...Rc4
        • 2.Se7#
      • 1...Se6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::S(M)
    • S(k);S_CUTR(h)::S(M),XS(i)
  • Tries
    • Try
      • S(M);CHECK
      • Vars
        • K(f);P_SPINP(c),P_SPINR(b),S_FLIGHT::QAR1(D)
      • Refutation
        • K(f);P_SPINS(k),S_FLIGHT
  • Actual
    • S(H);XP(c)
    • Threat
      • QAR1(D)
    • Vars
      • K(f);P_SPINS(k),S_FLIGHT::QAR1(D)
      • K(f);P_SPINR(b),S_FLIGHT::R(B)+S(H)
      • R(b);N_GUARD,XP(C)::QAR1(D)
      • S(k);XP(I)::S(H)
      • R(b);SBLOCK::S(M)
      • S(k);S_CUTR(h)::S(M),XS(i)
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).