MESON Chess Problem Database

Problem Display
PID: 47650 (8/8/3nK3/q1kNN3/8/3Q4/8/8 w - - 0 1)

Tuxen, Harri Viggo

Skakbladet, 1963

8/8/3nK3/q1kNN3/8/3Q4/8/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Qb5
      • 2.Qe3#
    • 1...Sc4
      • 2.Qxc4#
    • 1...Se4
      • 2.Qc4#
    • 1...Sb5
      • 2.Qc4#
    • 1...Sf5
      • 2.Qc4#
    • 1...Sb7
      • 2.Qc4#
    • 1...Sf7
      • 2.Qc4#
    • 1...Sc8
      • 2.Qc4#
    • 1...Se8
      • 2.Qc4#
  • Tries
    • 1.Qc2+?
      • 1...Kd4
        • 2.Sf3#
        • 2.Sc6#
      • 1...Kb5
        • 2.Qc6#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Qc3!
    • 1.Qc3+?
      • 1...Kb5
        • 2.Qc6#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Qxc3!
  • Keys
    • 1.Qb3!
      • 1...Kd4
        • 2.Qe3#
      • 1...Qb4
        • 2.Qxb4#
      • 1...Qe1
        • 2.Qb6#
      • 1...Qd2
        • 2.Qb6#
      • 1...Qc3
        • 2.Qb6#
      • 1...Qb6
        • 2.Qxb6#
      • 1...Qc7
        • 2.Qb4#
      • 1...Qd8
        • 2.Qb4#
      • 1...Qa1
        • 2.Qb4#
        • 2.Qb6#
      • 1...Qa2
        • 2.Qb4#
        • 2.Qb6#
      • 1...Qa3
        • 2.Qb6#
      • 1...Qa4
        • 2.Qb6#
      • 1...Qb5
        • 2.Qe3#
      • 1...Qa6
        • 2.Qb4#
      • 1...Qa7
        • 2.Qb4#
      • 1...Qa8
        • 2.Qb4#
        • 2.Qb6#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Se4
        • 2.Qc4#
      • 1...Sb5
        • 2.Qc4#
      • 1...Sf5
        • 2.Qc4#
      • 1...Sb7
        • 2.Qc4#
      • 1...Sf7
        • 2.Qc4#
      • 1...Sc8
        • 2.Qc4#
      • 1...Se8
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • Q(a);SBLOCK::QAB(A)
    • S(c);N_GUARD::QAR1(A),XS(c)
    • S(c);N_GUARD::QAR1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAB1(A)
        • S(c);N_GUARD,P_SPINS(c)::QAR1(A),XS(c)
      • Refutation
        • Q(a);P_SPINQ(a)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAB1(A)
        • S(c);N_GUARD,P_SPINS(c)::QAR1(A),XS(c)
      • Refutation
        • Q(a);XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT::QAB1(A)
      • Q(a);N_GUARD::QAB1(A),XQ(a)
      • Q(a);N_GUARD,P_PINS(C)::QAB1(A)
      • Q(a);N_GUARD::QAB1(A)
      • Q(a);SBLOCK::QAB(A)
      • S(c);N_GUARD::QAR1(A),XS(c)
      • S(c);N_GUARD::QAR1(A)
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