MESON Chess Problem Database

Problem Display
PID: 273857 (k2B4/rbQ5/2p5/1P6/6R1/5B1K/8/8 w - - 0 1)

Zimmer, Eligiusz

Szachista, 1999

k2B4/rbQ5/2p5/1P6/6R1/5B1K/8/8

#2

6 + 4

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bc8
      • 2.Qxc8#
    • 1...cxb5
      • 2.Qc8#
    • 1...c5
      • 2.Qc8#
  • Tries
    • 1.Bxc6?
      • threat
        • 2.Qc8#
      • 1...Ra1
        • 2.Qxb7#
      • 1...Ra2
        • 2.Qxb7#
      • 1...Ra4
        • 2.Rxa4#
        • 2.Qxb7#
      • 1...Ra5
        • 2.Qxb7#
      • 1...Ra6
        • 2.Qxb7#
      • 1...Ra3+!
    • 1.bxc6?
      • 1...Bxc6
        • 2.Qc8#
      • 1...Ra1
        • 2.Qxb7#
      • 1...Ra2
        • 2.Qxb7#
      • 1...Ra3
        • 2.Qxb7#
      • 1...Ra4
        • 2.Qxb7#
      • 1...Ra5
        • 2.Qxb7#
      • 1...Ra6
        • 2.Qxb7#
      • 1...Bc8
        • 2.Qxc8#
      • 1...Ba6!
  • Keys
    • 1.Rg7!
      • 1...Bc8+
        • 2.Qxc8#
      • 1...cxb5
        • 2.Qc8#
      • 1...Ra1
        • 2.Qxb7#
      • 1...Ra2
        • 2.Qxb7#
      • 1...Ra3
        • 2.Qxb7#
      • 1...Ra4
        • 2.Qxb7#
      • 1...Ra5
        • 2.Qxb7#
      • 1...Ra6
        • 2.Qxb7#
      • 1...Ba6
        • 2.Qxa7#
      • 1...c5
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD,P_PINR(C),P_SPINP(a)::QAR2(E),XB(c)
    • P(a);P_SPINB(c),XP(D)::QAR2(E)
    • P(a);P_SPINB(c)::QAR2(E)
  • Tries
    • Try
      • B(A);P_PINB(c),XP(a)
      • Threat
        • QAR2(E)
      • Vars
        • R(b);N_GUARD::QAB1(E),XB(c)
      • Refutation
        • R(b);CHECK
    • Try
      • P(D);XP(a)
      • Vars
        • B(c);N_GUARD,P_SPINB(c),XP(D)::QAR2(E)
        • R(b);N_GUARD::QAB1(E),XB(c)
        • R(b);N_GUARD,P_PINB(A)::QAB1(E),XB(c)
        • B(c);N_GUARD,P_PINR(C)::QAR2(E),XB(c)
      • Refutation
        • B(c);
  • Actual
    • R(C);
    • Vars
      • B(c);CHECK,N_GUARD,P_SPINP(a)::QAR2(E),XB(c)
      • P(a);P_SPINB(c),XP(D)::QAR2(E)
      • R(b);N_GUARD::QAB1(E),XB(c)
      • R(b);N_GUARD,P_PINB(A)::QAB1(E),XB(c)
      • B(c);OGATE,P_SPINP(a)::QAR1(E),XR(b)
      • P(a);P_SPINB(c)::QAR2(E)
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).