MESON Chess Problem Database

Problem Display
PID: 268826 (8/4pKP1/4p3/R1N1Pkp1/p2n2R1/r3bP1P/B3pp1B/5b1N w - - 0 1)

Brugge, Joachim

Troll, 2022

(First published on Wed Feb 16 2022)

8/4pKP1/4p3/R1N1Pkp1/p2n2R1/r3bP1P/B3pp1B/5b1N

#2

11 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Bxe6#
    • 1...Sb3
      • 2.Bb1#
    • 1...Sxf3
      • 2.Bxe6#
    • 1...Sb5
      • 2.Bxe6#
    • 1...Sc6
      • 2.Bxe6#
  • Tries
    • 1.Sxa4?
      • threat
        • 2.Sg3#
      • 1...Sb5
        • 2.Bxe6#
      • 1...Bf4!
    • 1.Se4?
      • threat
        • 2.Shg3#
        • 2.Seg3#
      • 1...Sb5
        • 2.Bxe6#
      • 1...Bf4!
    • 1.Sa6?
      • threat
        • 2.Sg3#
      • 1...Sb5
        • 2.Bxe6#
      • 1...Bf4!
    • 1.Sxe6?
      • threat
        • 2.Sg3#
      • 1...Bf4
        • 2.Sxd4#
      • 1...Sb5!
    • 1.Sb7?
      • threat
        • 2.Sg3#
      • 1...Sb5
        • 2.Bxe6#
      • 1...Bf4!
    • 1.Bb1+?
      • 1...Rd3
        • 2.Bxd3#
      • 1...Sc2!
    • 1.g8S?
      • threat
        • 2.Sh6#
        • 2.Sxe7#
      • 1...Sc6
        • 2.Sh6#
        • 2.Bxe6#
      • 1...Bf4!
  • Keys
    • 1.Sb3!
      • threat
        • 2.Sg3#
      • 1...Bf4
        • 2.Sxd4#
      • 1...Sb5
        • 2.Bb1#

This is a version

Version of H. Grasemann.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • S(g);N_GUARD::B(B),XP(j)
    • S(g);N_GUARD,S_CUTR(d)::B(B)
    • S(g);N_GUARD,XP(D)::B(B),XP(j)
  • Tries
    • Try
      • S(H);XP(f)
      • Threat
        • S(A)
      • Vars
        • S(g);N_GUARD::B(B),XP(j)
      • Refutation
        • B(e);
    • Try
      • S(H);
      • Threat
        • DUALS(2)
      • Vars
        • S(g);N_GUARD::B(B),XP(j)
      • Refutation
        • B(e);
    • Try
      • S(H);
      • Threat
        • S(A)
      • Vars
        • S(g);N_GUARD::B(B),XP(j)
      • Refutation
        • B(e);
    • Try
      • S(H);XP(j)
      • Threat
        • S(A)
      • Vars
        • B(e);N_GUARD::S(H),XS(g)
      • Refutation
        • S(g);
    • Try
      • S(H);
      • Threat
        • S(A)
      • Vars
        • S(g);N_GUARD::B(B),XP(j)
      • Refutation
        • B(e);
    • Try
      • B(B);CHECK
      • Vars
        • R(d);N_GUARD,P_SPINR(d)::B(B),XR(d)
      • Refutation
        • S(g);P_SPINS(g)
    • Try
      • P(K);
      • Threat
        • DUALS(2)
      • Refutation
        • B(e);
  • Actual
    • S(H);
    • Threat
      • S(A)
    • Vars
      • B(e);N_GUARD::S(H),XS(g)
      • S(g);N_GUARD::B(B)
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).