MESON Chess Problem Database

Problem Display
PID: 66103 (4K3/p2N1n2/2Rpp2p/p7/P2k4/1Q3Pp1/6r1/2N2bbn w - - 0 1)

Schuetz, Willy

Schach, 1952

4K3/p2N1n2/2Rpp2p/p7/P2k4/1Q3Pp1/6r1/2N2bbn

#2

7 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Qd3#
    • 1...Bd3
      • 2.Qxd3#
    • 1...Se5
      • 2.Rxd6#
    • 1...Sg5
      • 2.Rxd6#
    • 1...Sd8
      • 2.Rxd6#
    • 1...Sh8
      • 2.Rxd6#
    • 1...d5
      • 2.Qc3#
  • Tries
    • 1.Kxf7?
      • threat
        • 2.Rxd6#
      • 1...Bd3
        • 2.Qxd3#
      • 1...d5
        • 2.Qc3#
      • 1...Bc4!
  • Keys
    • 1.Qc3+!
      • 1...Kd5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • R(d);S_CUTB(a)::QAR1(B)
    • B(a);N_GUARD::QAR1(B),XB(a)
    • S(l);N_GUARD::R(E),XP(h)
    • P(h);SBLOCK::QAB1(B)
  • Tries
    • Try
      • K(G);S_FLIGHT,XS(l)
      • Threat
        • R(E),XP(h)
      • Vars
        • B(a);N_GUARD::QAR1(B),XB(a)
        • P(h);SBLOCK::QAB1(B)
      • Refutation
        • B(a);
  • Actual
    • Q(B);CHECK
    • Vars
      • K(f);P-FLIGHT::S(F)
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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).