MESON Chess Problem Database

Problem Display
PID: 73634 (7b/1K2pN2/6P1/3n3Q/1p2k1rp/2P4N/3PP1r1/5b1B w - - 0 1)

Reynders, Louis Joan Marie

Tijdschrift vd KNSB, 1942

7b/1K2pN2/6P1/3n3Q/1p2k1rp/2P4N/3PP1r1/5b1B

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rg5
      • 2.Qf3#
    • 1...Rxg6
      • 2.Qf3#
      • 2.Qxg6#
    • 1...Be5
      • 2.Qxe5#
    • 1...Se3
      • 2.d3#
    • 1...Sf4
      • 2.Sf2#
    • 1...Sf6
      • 2.Qe5#
    • 1...e5
      • 2.Sd6#
    • 1...e6
      • 2.Sd6#
  • Tries
    • 1.Bxg2+?
      • 1...Rxg2
        • 2.Qf3#
      • 1...Bxg2!
  • Keys
    • 1.Kc6!
      • threat
        • 2.Qxd5#
      • 1...Rxg6+
        • 2.Qxg6#
      • 1...Sxc3
        • 2.Qxg4#
      • 1...Rg5
        • 2.Qf3#
      • 1...Be5
        • 2.Qxe5#
      • 1...Se3
        • 2.d3#
      • 1...Sf4
        • 2.Sf2#
      • 1...Sb6
        • 2.Qxg4#
      • 1...Sf6
        • 2.Qe5#
      • 1...Sc7
        • 2.Qxg4#
      • 1...e5
        • 2.Sd6#
      • 1...e6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATE::QAB1(F)
    • B(i);N_GUARD::QAR1(F),XB(i)
    • S(g);SBLOCK::P(B)
    • S(g);SBLOCK::S(E)
    • S(g);S_CUTB(i)::QAR1(F)
    • P(h);N_GUARD::S(I)
  • Tries
    • Try
      • B(A);CHECK,XR(b)
      • Vars
        • R(e);OGATE,XB(A)::QAB1(F)
      • Refutation
        • B(a);XB(A)
  • Actual
    • K(H);S_FLIGHT
    • Threat
      • QAB1(F),XS(g)
    • Vars
      • R(e);CHECK,OGATE,XP(G)::QAB(F),XR(e)
      • S(g);N_GUARD,XP(D)::QAR2(F),XR(e)
      • R(e);OGATE::QAB1(F)
      • B(i);N_GUARD::QAR1(F),XB(i)
      • S(g);SBLOCK::P(B)
      • S(g);SBLOCK::S(E)
      • S(g);N_GUARD::QAR2(F),XR(e)
      • S(g);S_CUTB(i)::QAR1(F)
      • P(h);N_GUARD::S(I)
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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).