MESON Chess Problem Database

Problem Display
PID: 133948 (8/3p1KQP/4pP2/2RrbkB1/2N1nnp1/8/2B2q2/8 w - - 0 1)

Rattenbury, MO

The Field, 1962

(First published on Thu Dec 27 1962)

8/3p1KQP/4pP2/2RrbkB1/2N1nnp1/8/2B2q2/8

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qe3
      • 2.Sxe3#
    • 1...Qh4
      • 2.Se3#
    • 1...Qf1
      • 2.Se3#
    • 1...Qxc2
      • 2.Se3#
    • 1...Qg2
      • 2.Se3#
    • 1...Qh2
      • 2.Se3#
    • 1...Rd1
      • 2.Rxe5#
    • 1...Rd2
      • 2.Rxe5#
    • 1...Rd3
      • 2.Rxe5#
    • 1...Rd4
      • 2.Rxe5#
    • 1...Rd6
      • 2.Sxd6#
      • 2.Rxe5#
    • 1...Bxf6
      • 2.Qxf6#
    • 1...Se2
      • 2.Qg6#
    • 1...Sg2
      • 2.Qg6#
    • 1...Sd3
      • 2.Qg6#
    • 1...Sh3
      • 2.Qg6#
    • 1...Sh5
      • 2.Qg6#
    • 1...Sg6
      • 2.Qxg6#
  • Keys
    • 1.Bh6!
      • threat
        • 2.Qg5#
      • 1...Qxc2
        • 2.Se3#
      • 1...Bxf6
        • 2.Qxf6#
      • 1...Qh4
        • 2.Se3#
      • 1...Rd3
        • 2.Rxe5#
      • 1...Sd3
        • 2.Qg6#
      • 1...Sh3
        • 2.Qg6#
      • 1...Sg6
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 10
  • Sets
    • Q(a);N_GUARD::S(B),XQ(a)
    • Q(a);N_GUARD::S(B)
    • Q(a);N_GUARD,N_SPINS(b),XB(A)::S(B)
    • R(e);OGATE,P_SPINB(f)::R1(C),XB(f)
    • R(e);N_SPINS(b),OGATE,P_SPINB(f)::R1(C),XB(f)
    • B(f);OGATE,P_SPINR(e),XP(E)::QAR1(G),XB(f)
    • S(c);N_GUARD::QAB1(G)
    • S(c);N_GUARD,N_SPINS(b)::QAB1(G)
    • S(c);N_GUARD::QAB1(G),XS(c)
  • Actual
    • B(D);
    • Threat
      • QAR1(G)
    • Vars
      • Q(a);N_GUARD,N_SPINS(b),XB(A)::S(B)
      • B(f);OGATE,P_SPINR(e),XP(E)::QAR1(G),XB(f)
      • Q(a);N_GUARD::S(B)
      • R(e);N_SPINS(b),OGATE,P_SPINB(f)::R1(C),XB(f)
      • S(c);N_GUARD,N_SPINS(b)::QAB1(G)
      • S(c);N_GUARD::QAB1(G)
      • S(c);N_GUARD::QAB1(G),XS(c)
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