MESON Chess Problem Database

Problem Display
PID: 244209 (7B/1Kp3n1/3p2R1/3kP2r/1B4N1/2pP4/1b2nQ2/4R2b w - - 0 1)

Bruch, Wieland

Problem-Forum, 2000

7B/1Kp3n1/3p2R1/3kP2r/1B4N1/2pP4/1b2nQ2/4R2b

#2

9 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...dxe5
      • 2.Qc5#
    • 1...c5
      • 2.Rxd6#
    • 1...c6
      • 2.Rxd6#
  • Tries
    • 1.Bxd6?
      • threat
        • 2.Qc5#
      • 1...cxd6
        • 2.Rxd6#
      • 1...Sd4
        • 2.Se3#
      • 1...Se6
        • 2.Sf6#
      • 1...c5
        • 2.Qxc5#
      • 1...Ba3!
    • 1.Qf4?
      • threat
        • 2.Se3#
        • 2.Qc4#
      • 1...Rxe5
        • 2.Qc4#
      • 1...Be4
        • 2.Qxe4#
      • 1...Rh3
        • 2.Qc4#
      • 1...Bc1
        • 2.Qc4#
      • 1...Sd4
        • 2.Se3#
      • 1...Sf5
        • 2.Qc4#
      • 1...Sxf4!
  • Keys
    • 1.exd6!
      • threat
        • 2.Qc5#
      • 1...cxd6
        • 2.Rxd6#
      • 1...Sd4
        • 2.Sf6#
      • 1...Se6
        • 2.Se3#
      • 1...c5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • P(g);N_GUARD,XP(F)::QAR1(B)
    • P(h);N_GUARD::R1(G),XP(g)
  • Tries
    • Try
      • B(D);XP(g)
      • Threat
        • QAR1(B)
      • Vars
        • P(h);OGATE,XB(D)::R1(G),XP(h)
        • S(c);SBLOCK::S(E)
        • S(i);SBLOCK::S(E)
        • P(h);::QAR1(B),XP(h)
      • Refutation
        • B(b);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(f);XP(F)::QAB1(B)
        • B(a);N_GUARD::QAB1(B),XB(a)
        • R(f);::QAB1(B)
        • B(b);::QAB1(B)
        • S(c);::S(E)
        • S(i);::QAB1(B)
      • Refutation
        • S(c);XQ(B)
  • Actual
    • P(F);XP(g)
    • Threat
      • QAR1(B)
    • Vars
      • P(h);OGATE,XP(F)::R1(G),XP(h)
      • S(c);::S(E)
      • S(i);::S(E)
      • P(h);::QAR1(B),XP(h)
HTML5 logo

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).