MESON Chess Problem Database

Problem Display
PID: 91969 (8/5K2/8/8/8/7p/5RBk/4Q2b w - - 0 1)

Maniak, Adam

Schach-Aktiv, 1987

8/5K2/8/8/8/7p/5RBk/4Q2b

#2

4 + 3

6490 yacpdb 2009
5454 Near Snap 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Rf4?
      • 1...Kxg2
        • 2.Qf2#
      • 1...hxg2
        • 2.Rh4#
      • 1...Bxg2!
    • 1.Rf5?
      • 1...Kxg2
        • 2.Qf2#
      • 1...hxg2
        • 2.Rh5#
      • 1...Bxg2!
    • 1.Rf6?
      • 1...Kxg2
        • 2.Qf2#
      • 1...hxg2
        • 2.Rh6#
      • 1...Bxg2!
  • Keys
    • 1.Rf1!
      • 1...Kxg2
        • 2.Qf2#
      • 1...Bxg2
        • 2.Qe5#
      • 1...hxg2
        • 2.Qh4#

Anticipated by 120971(1934)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XB(C)::QAR1(A)
        • P(c);OGATEB,SBLOCK,XB(C)::R(B)
      • Refutation
        • B(a);XB(C)
    • Try
      • R(B);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XB(C)::QAR1(A)
        • P(c);OGATEB,SBLOCK,XB(C)::R(B)
      • Refutation
        • B(a);XB(C)
    • Try
      • R(B);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XB(C)::QAR1(A)
        • P(c);OGATEB,SBLOCK,XB(C)::R(B)
      • Refutation
        • B(a);XB(C)
  • Actual
    • R(B);
    • Vars
      • K(b);OGATEB,P-FLIGHT,XB(C)::QAR1(A)
      • B(a);SBLOCK,XB(C)::QAB(A)
      • P(c);OGATEB,SBLOCK,XB(C)::QAR2(A)
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