MESON Chess Problem Database

Problem Display
PID: 23096 (6b1/8/6N1/7k/4QK1p/8/8/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

6b1/8/6N1/7k/4QK1p/8/8/8

#2

3 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Se5?
      • threat
        • 2.Qg6#
      • 1...Kh6
        • 2.Qg6#
      • 1...Bf7
        • 2.Qh7#
      • 1...Bh7
        • 2.Qxh7#
      • 1...h3!
    • 1.Se7?
      • threat
        • 2.Qg6#
      • 1...Kh6
        • 2.Qg6#
      • 1...Bf7
        • 2.Qh7#
      • 1...Bh7
        • 2.Qxh7#
      • 1...h3!
    • 1.Sf8?
      • threat
        • 2.Qg6#
      • 1...Kh6
        • 2.Qg6#
      • 1...Bf7
        • 2.Qh7#
      • 1...Bh7
        • 2.Qxh7#
      • 1...h3!
    • 1.Sh8?
      • threat
        • 2.Qg6#
      • 1...Kh6
        • 2.Qg6#
      • 1...Bf7
        • 2.Qh7#
      • 1...Bh7
        • 2.Qxh7#
      • 1...h3!
  • Keys
    • 1.Sxh4!
      • 1...Kxh4
        • 2.Qh1#
      • 1...Kh6
        • 2.Qg6#
      • 1...Ba2
        • 2.Qh7#
      • 1...Bb3
        • 2.Qh7#
      • 1...Bc4
        • 2.Qh7#
      • 1...Bd5
        • 2.Qh7#
      • 1...Be6
        • 2.Qh7#
      • 1...Bf7
        • 2.Qh7#
      • 1...Bh7
        • 2.Qxh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • B(c);N_GUARD::QAR2(A)
        • B(c);N_GUARD::QAR2(A),XB(c)
      • Refutation
        • P(a);
    • Try
      • S(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • B(c);N_GUARD::QAR2(A)
        • B(c);N_GUARD::QAR2(A),XB(c)
      • Refutation
        • P(a);
    • Try
      • S(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • B(c);N_GUARD::QAR2(A)
        • B(c);N_GUARD::QAR2(A),XB(c)
      • Refutation
        • P(a);
    • Try
      • S(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • B(c);N_GUARD::QAR2(A)
        • B(c);N_GUARD::QAR2(A),XB(c)
      • Refutation
        • P(a);
  • Actual
    • S(C);XP(a)
    • Vars
      • K(b);OGATEB,P-FLIGHT,XS(C)::QAR(A)
      • K(b);P-FLIGHT::QAR1(A)
      • B(c);N_GUARD::QAR2(A)
      • B(c);N_GUARD::QAR2(A),XB(c)
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