MESON Chess Problem Database

Problem Display
PID: 166718 (7b/3B4/2r1r3/1p1pp3/b7/3RK2k/1Q1R3N/4B3 w - - 0 1)

Moen, Kabe

StrateGems, 2016

7b/3B4/2r1r3/1p1pp3/b7/3RK2k/1Q1R3N/4B3

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Bxe6#
    • 1...Rc2
      • 2.Bxe6#
    • 1...Rc3
      • 2.Bxe6#
    • 1...Rc5
      • 2.Bxe6#
    • 1...Rc7
      • 2.Bxe6#
    • 1...Rc8
      • 2.Bxe6#
    • 1...d4+
      • 2.Ke4#
    • 1...e4
      • 2.Qxh8#
  • Tries
    • 1.Re2?
      • threat
        • 2.Kd2#
      • 1...Rc2
        • 2.Bxe6#
      • 1...Rc3
        • 2.Bxe6#
      • 1...e4
        • 2.Qxh8#
      • 1...Bc2!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qg4#
        • 2.Qh4#
      • 1...exd4+
        • 2.Kf4#
      • 1...Rc4
        • 2.Bxe6#
      • 1...Bd1
        • 2.Qh4#
      • 1...Bf6
        • 2.Qg4#
      • 1...e4
        • 2.Qxh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • R(f);N_GUARD::B(G),XR(g)
    • R(f);N_GUARD,P_PINR(E)::B(G),XR(g)
    • P(d);CHECK::R(E)+K(F)
    • P(e);OGATE::QAR(B),XB(h)
  • Tries
    • Try
      • R(C);
      • Threat
        • R(E)+K(F)
      • Vars
        • R(f);N_GUARD::B(G),XR(g)
        • R(f);N_GUARD,P_PINR(E)::B(G),XR(g)
        • P(e);OGATE::QAR(B),XB(h)
      • Refutation
        • B(b);
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • P(e);CHECK,XQ(B)::R(E)+K(F)
      • R(f);N_GUARD::B(G),XR(g)
      • B(b);::QAR1(B)
      • B(h);::QAB1(B)
      • P(e);OGATE::QAR(B),XB(h)
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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).