MESON Chess Problem Database

Problem Display
PID: 46480 (8/8/1K3B2/3p3R/4k3/6Q1/2n5/8 w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

8/8/1K3B2/3p3R/4k3/6Q1/2n5/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Re5#
    • 1...d4
      • 2.Re5#
  • Tries
    • 1.Qd3+?
      • 1...Kf4
        • 2.Rh4#
      • 1...Kxd3!
  • Keys
    • 1.Bd4!
      • 1...Kxd4
        • 2.Rh4#
      • 1...Sxd4
        • 2.Re5#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sa1
        • 2.Qe3#
      • 1...Se1
        • 2.Qe3#
      • 1...Sa3
        • 2.Qe3#
      • 1...Sb4
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • S(a);SBLOCK::R1(B)
    • P(c);SBLOCK::R1(B)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::R(B)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
  • Actual
    • B(D);
    • Vars
      • K(b);P-FLIGHT,XB(D)::R(B)
      • S(a);SBLOCK,XB(D)::R1(B)
      • S(a);N_GUARD::QAR1(A),XS(a)
      • S(a);N_GUARD::QAR1(A)
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