MESON Chess Problem Database

Problem Display
PID: 8005 (4Bk2/3K4/3n1PQ1/5n2/8/8/8/8 w - - 0 1)

Rice, John Michael

Chess Problems for Solving, 1995

4Bk2/3K4/3n1PQ1/5n2/8/8/8/8

#2

4 + 3

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Qg7#
    • 1...Sg3
      • 2.Qg7#
    • 1...Sd4
      • 2.Qg7#
    • 1...Sh4
      • 2.Qg7#
    • 1...Sh6
      • 2.Qg7#
    • 1...Se7
      • 2.Qg7#
      • 2.fxe7#
    • 1...Sg7
      • 2.Qxg7#
    • 1...Sc4
      • 2.Qf7#
    • 1...Se4
      • 2.Qf7#
    • 1...Sb5
      • 2.Qf7#
    • 1...Sb7
      • 2.Qf7#
    • 1...Sf7
      • 2.Qxf7#
    • 1...Sc8
      • 2.Qf7#
    • 1...Sxe8
      • 2.Qxe8#
  • Tries
    • 1.Kd8?
      • 1...Sf7+
        • 2.Qxf7#
      • 1...Sxe8
        • 2.Qxe8#
      • 1...Sg7
        • 2.Qxg7#
      • 1...Se3
        • 2.Qg7#
      • 1...Sg3
        • 2.Qg7#
      • 1...Sd4
        • 2.Qg7#
      • 1...Sh4
        • 2.Qg7#
      • 1...Sh6
        • 2.Qg7#
      • 1...Se7
        • 2.Qg7#
        • 2.fxe7#
      • 1...Sc4
        • 2.Qf7#
      • 1...Se4
        • 2.Qf7#
      • 1...Sb5
        • 2.Qf7#
      • 1...Sc8
        • 2.Qf7#
      • 1...Sb7+!
    • 1.Bf7?
      • threat
        • 2.Qg8#
      • 1...Sh6
        • 2.Qg7#
      • 1...Se7
        • 2.Qg7#
        • 2.fxe7#
      • 1...Sg7
        • 2.Qxg7#
        • 2.fxg7#
      • 1...Sxf7!
    • 1.Qh7?
      • threat
        • 2.Qh8#
      • 1...Sh6
        • 2.Qg7#
      • 1...Se7
        • 2.Qg7#
        • 2.fxe7#
      • 1...Sf7
        • 2.Qxf7#
      • 1...Sxe8!
  • Keys
    • 1.f7!
      • threat
        • 2.Qg8#
      • 1...Sxf7
        • 2.Qxf7#
      • 1...Sh6
        • 2.Qxh6#
      • 1...Se7
        • 2.Qh6#
      • 1...Sg7
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • S(a);N_GUARD::QAB1(B)
    • S(a);N_GUARD::QAB1(B),XS(a)
    • S(b);N_GUARD::QAR1(B)
    • S(b);N_GUARD::QAR1(B),XS(b)
    • S(b);OGATE,XB(D)::QAR1(B),XS(b)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • S(b);CHECK,N_GUARD::QAR1(B),XS(b)
        • S(b);OGATE,XB(D)::QAR1(B),XS(b)
        • S(a);N_GUARD::QAB1(B),XS(a)
        • S(a);N_GUARD::QAB1(B)
        • S(b);N_GUARD::QAR1(B)
      • Refutation
        • S(b);CHECK
    • Try
      • B(D);
      • Threat
        • QAR1(B)
      • Vars
        • S(a);N_GUARD::QAB1(B)
      • Refutation
        • S(b);XB(D)
    • Try
      • Q(B);
      • Threat
        • QAR2(B)
      • Vars
        • S(a);N_GUARD::QAB1(B)
        • S(b);N_GUARD::QAR1(B),XS(b)
      • Refutation
        • S(b);XB(D)
  • Actual
    • P(A);
    • Threat
      • QAR1(B)
    • Vars
      • S(b);OGATE,XP(A)::QAR1(B),XS(b)
      • S(a);N_GUARD::QAB(B),XS(a)
      • S(a);N_GUARD::QAB(B)
      • S(a);N_GUARD,SBLOCK::QAB(B),XS(b)
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Developed and maintained by Brian Stephenson.
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