MESON Chess Problem Database

Problem Display
PID: 78919 (5K2/3p1Q1b/8/4pN2/4k3/2Pq4/2n1P1N1/8 w - - 0 1)

Rice, John Michael

The Tablet, 1960

(First published on Sat Oct 15 1960)

5K2/3p1Q1b/8/4pN2/4k3/2Pq4/2n1P1N1/8

#2

6 + 6

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Sg3#
      • 2.Sd6#
    • 1...Qb5
      • 2.Sg3#
      • 2.Sd6#
    • 1...Qa6
      • 2.Sg3#
    • 1...Qd1
      • 2.Sg3#
    • 1...Qd2
      • 2.Sg3#
    • 1...Qe3
      • 2.Sd6#
    • 1...Qf3
      • 2.Sd6#
    • 1...Qg3
      • 2.Sxg3#
      • 2.Sd6#
    • 1...Qh3
      • 2.Sd6#
    • 1...Qd4
      • 2.Sg3#
    • 1...Qd5
      • 2.Sg3#
    • 1...Qd6+
      • 2.Sxd6#
    • 1...Se3
      • 2.Sg3#
    • 1...Sd4
      • 2.Sd6#
    • 1...d5
      • 2.Sd6#
  • Keys
    • 1.Se7!
      • threat
        • 2.Qxh7#
      • 1...Qxe2
        • 2.Qd5#
      • 1...Qxc3
        • 2.Qd5#
      • 1...Qa6
        • 2.Qd5#
        • 2.Qf3#
      • 1...Qf3
        • 2.Qxf3#
      • 1...Qg3
        • 2.Qd5#
      • 1...Qh3
        • 2.Qd5#
      • 1...Qd6
        • 2.Qf3#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Bg6
        • 2.Qxg6#
      • 1...Bg8
        • 2.Qg6#
        • 2.Qf5#
      • 1...Se3
        • 2.Qf3#
      • 1...Sd4
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 5
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • Q(b);N_GUARD::S(D)
    • Q(b);CHECK,N_GUARD::S(D),XQ(b)
    • S(a);S_CUTQ(b)::S(D)
    • P(e);S_CUTQ(b)::S(D)
  • Actual
    • S(D);
    • Threat
      • QAB(E),XB(f)
    • Vars
      • Q(b);N_GUARD,XP(A)::QAB1(E)
      • Q(b);N_GUARD,XP(C)::QAB1(E)
      • Q(b);N_GUARD,P_PINQ(E)::QAB1(E),XQ(b)
      • Q(b);N_GUARD::QAB1(E)
      • Q(b);N_GUARD,P_PINS(D)::QAB1(E)
      • B(f);N_GUARD::QAB1(E),XB(f)
      • B(f);N_GUARD::QAB(E),XB(f)
      • S(a);S_CUTQ(b)::QAB1(E)
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