MESON Chess Problem Database

Problem Display
PID: 23113 (5b2/8/5Q2/4p1Nk/8/5nK1/8/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

5b2/8/5Q2/4p1Nk/8/5nK1/8/8

#2

3 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Sxf3?
      • threat
        • 2.Qg5#
      • 1...Bh6
        • 2.Qf7#
      • 1...Be7!
  • Keys
    • 1.Se6!
      • 1...Ba3
        • 2.Sg7#
      • 1...Bb4
        • 2.Sg7#
      • 1...Bc5
        • 2.Sg7#
      • 1...Bd6
        • 2.Sg7#
      • 1...Bh6
        • 2.Qf7#
      • 1...Be7
        • 2.Sg7#
      • 1...Bg7
        • 2.Sxg7#
      • 1...Se1
        • 2.Qg5#
      • 1...Sg1
        • 2.Qg5#
      • 1...Sd2
        • 2.Qg5#
      • 1...Sh2
        • 2.Qg5#
      • 1...Sd4
        • 2.Qg5#
      • 1...Sh4
        • 2.Qg5#
      • 1...Sg5
        • 2.Qxg5#
      • 1...e4
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);XS(a)
      • Threat
        • QAR1(C)
      • Vars
        • B(d);SBLOCK::QAB(C)
      • Refutation
        • B(d);
  • Actual
    • S(B);
    • Vars
      • B(d);N_GUARD::S(B)
      • B(d);SBLOCK::QAB(C)
      • B(d);N_GUARD::S(B),XB(d)
      • S(a);N_GUARD::QAR1(C)
      • S(a);N_GUARD::QAR1(C),XS(a)
      • P(b);N_GUARD::S(B)
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