MESON Chess Problem Database

Problem Display
PID: 276934 (B4N2/8/K3P3/B1p2p2/2Pkr1nR/nPpN2Q1/4pp2/8 w - - 0 1)

Willemsens, Luis Cornelis

To Mat, 1955

B4N2/8/K3P3/B1p2p2/2Pkr1nR/nPpN2Q1/4pp2/8

#2

10 + 9

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Qd6#
    • 1...Rxe6+
      • 2.Sxe6#
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sc6#
      • 1...Rxe6+
        • 2.Sxe6#
      • 1...Sxc4
        • 2.Sc2#
      • 1...cxb4
        • 2.Bb6#
      • 1...Rf4
        • 2.Qxf4#
      • 1...Re3
        • 2.Qd6#
      • 1...Re5
        • 2.Qd3#
      • 1...Se3
        • 2.Qg7#
      • 1...Se5
        • 2.Qxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(f);P_SPINS(g),SBLOCK::QAR2(C)
    • R(f);CHECK,P_SPINS(g),XP(H)::S(J),XR(f)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • R(f);CHECK,P_SPINS(g),XP(H)::S(J),XR(f)
      • S(c);N_GUARD,XP(D)::S(B)
      • P(h);OGATEB,XS(B)::B(F)
      • R(f);OGATEB::QAR2(C),XR(f)
      • R(f);P_SPINS(g),SBLOCK::QAR2(C)
      • R(f);P_SPINS(g),SBLOCK::QAR1(C)
      • S(g);OGATE,P_SPINR(f),SBLOCK::QAB(C)
      • S(g);N_GUARD,P_SPINR(f),SBLOCK::QAB(C),XP(b)
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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).