MESON Chess Problem Database

Problem Display
PID: 143365 (8/8/R1nQ4/nkB5/8/2K5/8/8 w - - 0 1)

Tuxen, Harri Viggo

Thema Danicum, 1976

8/8/R1nQ4/nkB5/8/2K5/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Ka4
      • 2.Qxc6#
    • 1...Sb3
      • 2.Qxc6#
    • 1...Sc4
      • 2.Qxc6#
    • 1...Sb7
      • 2.Qxc6#
  • Keys
    • 1.Qc7!
      • 1...Ka4
        • 2.Qxc6#
      • 1...Kxc5
        • 2.Rxa5#
      • 1...Kxa6
        • 2.Qb6#
      • 1...Sb3
        • 2.Qb6#
        • 2.Qxc6#
      • 1...Sc4
        • 2.Qxc6#
      • 1...Sb7
        • 2.Qb6#
        • 2.Qxc6#
      • 1...Sb4
        • 2.Rxa5#
        • 2.Qxa5#
      • 1...Sd4
        • 2.Rxa5#
        • 2.Qxa5#
      • 1...Se5
        • 2.Rxa5#
        • 2.Qxa5#
      • 1...Sa7
        • 2.Rxa5#
        • 2.Qxa5#
      • 1...Se7
        • 2.Rxa5#
        • 2.Qxa5#
      • 1...Sb8
        • 2.Rxa5#
        • 2.Qxa5#
      • 1...Sd8
        • 2.Rxa5#
        • 2.Qxa5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(b);P_SPINS(a),S_FLIGHT::QAB(D),XS(c)
    • S(a);N_GUARD::QAB1(D),XS(c)
  • Actual
    • Q(D);
    • Vars
      • K(b);P_SPINS(a),S_FLIGHT::QAB(D),XS(c)
      • K(b);P-FLIGHT,P_SPINS(c),XB(B)::R(C),XS(a)
      • K(b);S_FLIGHT,XR(C)::QAR1(D)
      • S(a);N_GUARD::QAB1(D),XS(c)
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