MESON Chess Problem Database

Problem Display
PID: 28358 (8/K7/8/kP6/2Q5/1r6/8/3B4 w - - 0 1)

Aljebev, Stanislav A

Sachsische Zeitung, 1994

8/K7/8/kP6/2Q5/1r6/8/3B4

#2

4 + 2

6114 Problemschach-Jahrbuch (1994) 1995
3242 BCPS Rapid Solving (Cheltenham) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Qa4#
    • 1...Rb2
      • 2.Qa4#
    • 1...Rc3
      • 2.Qa4#
    • 1...Rd3
      • 2.Qa4#
    • 1...Re3
      • 2.Qa4#
    • 1...Rf3
      • 2.Qa4#
    • 1...Rg3
      • 2.Qa4#
    • 1...Rh3
      • 2.Qa4#
    • 1...Rxb5
      • 2.Qa4#
  • Keys
    • 1.b6!
      • 1...Rxb6
        • 2.Qa4#
      • 1...Ra3
        • 2.Qc5#
      • 1...Rb1
        • 2.Qa4#
      • 1...Rb2
        • 2.Qa4#
      • 1...Rc3
        • 2.Qa4#
      • 1...Rd3
        • 2.Qa4#
        • 2.Qc5#
      • 1...Re3
        • 2.Qa4#
        • 2.Qc5#
      • 1...Rf3
        • 2.Qa4#
        • 2.Qc5#
      • 1...Rg3
        • 2.Qa4#
        • 2.Qc5#
      • 1...Rh3
        • 2.Qa4#
        • 2.Qc5#
      • 1...Rb4
        • 2.Qa6#
      • 1...Rb5
        • 2.Qa4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(a);::QAR1(B)
    • R(a);SBLOCK::QAR1(B)
    • R(a);XP(C)::QAR1(B)
  • Actual
    • P(C);
    • Vars
      • R(a);XP(C)::QAR1(B)
      • R(a);N_GUARD::QAR2(B)
      • R(a);::QAR1(B)
      • R(a);SBLOCK::QAR1(B)
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