MESON Chess Problem Database

Problem Display
PID: 234635 (3n4/6N1/5b1N/1K1k4/5Q2/8/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2005

3n4/6N1/5b1N/1K1k4/5Q2/8/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Shf5?
      • threat
        • 2.Se3#
      • 1...Bd4
        • 2.Se7#
        • 2.Qxd4#
      • 1...Be5
        • 2.Qf3#
        • 2.Qc4#
      • 1...Bxg7!
    • 1.Sf7?
      • threat
        • 2.Qc4#
      • 1...Bd4
        • 2.Qf3#
      • 1...Sxf7!
  • Keys
    • 1.Se8!
      • threat
        • 2.Sc7#
      • 1...Ke6
        • 2.Qd6#
      • 1...Be5
        • 2.Qc4#
      • 1...Se6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Refutation
        • B(b);XS(D)
    • Try
      • S(C);
      • Threat
        • QAB1(A)
      • Vars
        • B(b);SBLOCK::QAB(A)
      • Refutation
        • S(c);XS(C)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • B(b);SBLOCK::QAB1(A)
      • S(c);SBLOCK::S(D),XB(b)
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