MESON Chess Problem Database

Problem Display
PID: 274969 (8/B2K3B/p3P3/1p1k1PR1/rn3nRp/5N2/6pq/4Q1b1 w - - 0 1)

Ingram, Jesse George

The Problemist, 1933

8/B2K3B/p3P3/1p1k1PR1/rn3nRp/5N2/6pq/4Q1b1

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Qe4#
    • 1...Sh3
      • 2.Qe4#
    • 1...Sh5
      • 2.Qe4#
    • 1...Sxe6
      • 2.Qe4#
      • 2.Qxe6#
    • 1...Sg6
      • 2.Qe4#
  • Keys
    • 1.Qc3!
      • threat
        • 2.f6#
      • 1...Ke4
        • 2.f6#
      • 1...Sxe6
        • 2.Qb3#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Sbd3
        • 2.Qc6#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Se2
        • 2.Qb3#
      • 1...Sfd3
        • 2.Qb3#
      • 1...Sh3
        • 2.Qb3#
      • 1...Sh5
        • 2.Qb3#
      • 1...Sg6
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(f);::QAB1(A)
  • Actual
    • Q(A);
    • Threat
      • R(E)+P(D)
    • Vars
      • K(i);P_SPINS(f),S_FLIGHT::B(I)+P(D)
      • S(f);XP(F)::QAB(A)
      • B(a);N_GUARD::QAR1(A),XB(a)
      • S(e);N_GUARD::QAB1(A)
      • S(e);N_GUARD::QAB1(A),XS(e)
      • S(f);::QAB(A)
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