MESON Chess Problem Database

Problem Display
PID: 101289 (2R4K/1pB1N3/1p2p2p/p1k1r3/Pb4p1/2qPpb2/1P2N3/2Q5 w - - 0 1)

Weiss, Berthold

Good Companions (December), 1916

2R4K/1pB1N3/1p2p2p/p1k1r3/Pb4p1/2qPpb2/1P2N3/2Q5

#2

9 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Qxc4#
      • 2.d4#
    • 1...Re4+
      • 2.Be5#
    • 1...Rd5+
      • 2.Be5#
    • 1...Bxe2
      • 2.Bxe5#
    • 1...Ba3
      • 2.Qxc3#
  • Tries
    • 1.Qxe3+?
      • 1...Qd4
        • 2.Qxd4#
      • 1...Rxe3+!
  • Keys
    • 1.b3!
      • threat
        • 2.d4#
      • 1...Re4+
        • 2.Be5#
      • 1...Rd5+
        • 2.Be5#
      • 1...Bxe2
        • 2.Bxe5#
      • 1...Ba3
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(h);CHECK,S_CUTB(c)::R(H)+B(F)
    • B(c);N_GUARD,XS(C)::R(H)+B(F),XR(h)
    • B(d);N_GUARD::QAR2(A),XQ(a)
  • Tries
    • Try
      • Q(A);CHECK,N_PINQ(a),XP(b)
      • Vars
        • Q(a);N_GUARD,P_SPINQ(a)::QAB1(A),XQ(a)
      • Refutation
        • R(h);CHECK,XQ(A)
  • Actual
    • P(B);
    • Threat
      • P(D)
    • Vars
      • R(h);CHECK,S_CUTB(c)::R(H)+B(F)
      • B(c);N_GUARD,XS(C)::R(H)+B(F),XR(h)
      • B(d);N_GUARD::QAR2(A),XQ(a)
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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).