MESON Chess Problem Database

Problem Display
PID: 155252 (1BB5/6Q1/q2n1p2/1p1pr2p/1R1r1k2/2n3N1/3Pp3/4N1K1 w - - 0 1)

Prytz, Rudolf

Match: Denmark - Netherlands, 1935-1936

1BB5/6Q1/q2n1p2/1p1pr2p/1R1r1k2/2n3N1/3Pp3/4N1K1

#2

8 + 11

4035 Aarsskrift for DSK 1936

SOLUTION

  • SOUND
  • Sets
    • 1...Sce4
      • 2.Sxe2#
    • 1...Sde4
      • 2.Sxh5#
    • 1...h4
      • 2.Qg4#
  • Tries
    • 1.Sxh5+?
      • 1...Ke4
        • 2.Qg2#
        • 2.Qg4#
      • 1...Rxh5!
    • 1.Rxd4+?
      • 1...Sce4
        • 2.Sxe2#
      • 1...Sde4
        • 2.Sxh5#
      • 1...Re4!
  • Keys
    • 1.Kg2!
      • threat
        • 2.Sd3#
      • 1...Re3
        • 2.Qxf6#
      • 1...Ree4
        • 2.Qxf6#
      • 1...Sce4
        • 2.Sxe2#
      • 1...Sc4
        • 2.Qh6#
      • 1...Sde4
        • 2.Sxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(b);N_GUARD,N_SPINR(c),SBLOCK,S_CUTR(g)::S(D),XP(a)
    • S(j);N_SPINR(c),P_SPINR(g),SBLOCK::S(D),XP(h)
    • P(h);N_GUARD::QAR1(F)
  • Tries
    • Try
      • S(D);CHECK,XP(h)
      • Refutation
        • R(g);P_SPINS(j),XS(D)
    • Try
      • R(E);CHECK,XR(c)
      • Vars
        • S(b);P_SPINS(b)::S(D),XP(a)
        • S(j);P_SPINR(g),P_SPINS(j)::S(D),XP(h)
      • Refutation
        • R(g);P_SPINR(g),P_SPINS(j)
  • Actual
    • K(B);P-FLIGHT
    • Threat
      • S(A)
    • Vars
      • R(g);N_GUARD,P_SPINS(j)::QAR2(F),XP(k)
      • R(g);N_GUARD,N_SPINR(c),P_SPINS(j)::QAR2(F),XP(k)
      • S(b);N_GUARD,N_SPINR(c),SBLOCK,S_CUTR(g)::S(D),XP(a)
      • S(j);N_SPINR(c),P_SPINR(g)::QAB(F)
      • S(j);N_SPINR(c),P_SPINR(g),SBLOCK::S(D),XP(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).