MESON Chess Problem Database

Problem Display
PID: 134266 (k2K4/rb6/2N5/8/8/1Q6/8/6R1 w - - 0 1)

Zimmer, Eligiusz

Sachsische Zeitung, 1999

(First published on Sat May 29 1999)

k2K4/rb6/2N5/8/8/1Q6/8/6R1

#2

4 + 3

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Qb8#
    • 1...Bc8
      • 2.Qb8#
  • Tries
    • 1.Rg7?
      • 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.Rxa7#
        • 2.Qb8#
      • 1...Bc8
        • 2.Rxa7#
        • 2.Qb8#
      • 1...Bxc6!
  • Keys
    • 1.Rb1!
      • 1...Bxc6
        • 2.Qb8#
      • 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.Qb8#
      • 1...Bc8
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(b);OGATE::QAR1(B)
  • Tries
    • Try
      • R(A);
      • Vars
        • R(a);N_GUARD::QAB1(B),XB(b)
      • Refutation
        • B(b);XS(C)
  • Actual
    • R(A);
    • Vars
      • B(b);OGATE,XS(C)::QAR1(B)
      • R(a);N_GUARD::QAB1(B),XB(b)
      • B(b);OGATE::QAR1(B)
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