MESON Chess Problem Database

Problem Display
PID: 68936 (8/8/8/2k1r3/B1N1p3/2K5/8/7Q w - - 0 1)

Dobrescu, Emilian

Revista de Sah, 1957

8/8/8/2k1r3/B1N1p3/2K5/8/7Q

#2

4 + 3

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Rh5
      • 2.Qxh5#
    • 1...e3
      • 2.Qc6#
  • Tries
    • 1.Qd1?
      • threat
        • 2.Qd4#
        • 2.Qd6#
      • 1...Re6
        • 2.Qd4#
      • 1...Rd5!
    • 1.Qh2?
      • threat
        • 2.Qxe5#
      • 1...Kd5
        • 2.Qxe5#
      • 1...Rd5
        • 2.Qc7#
      • 1...Rf5
        • 2.Qd6#
      • 1...Rg5
        • 2.Qd6#
      • 1...Rh5
        • 2.Qd6#
        • 2.Qxh5#
      • 1...Re7
        • 2.Qd6#
      • 1...Re8
        • 2.Qd6#
      • 1...Re6!
    • 1.Qh6?
      • threat
        • 2.Qc6#
        • 2.Qd6#
      • 1...Kd5
        • 2.Qc6#
        • 2.Qd6#
      • 1...Rd5
        • 2.Qb6#
        • 2.Qc6#
      • 1...Re6!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qxe5#
      • 1...Kd5
        • 2.Qxe5#
      • 1...Rd5
        • 2.Qc8#
      • 1...Rf5
        • 2.Qd4#
      • 1...Rg5
        • 2.Qd4#
      • 1...Rh5
        • 2.Qd4#
        • 2.Qxh5#
      • 1...Re6
        • 2.Qd4#
      • 1...Re7
        • 2.Qd4#
      • 1...Re8
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • R(c);OGATEB::QAR(A),XR(c)
    • P(a);OGATE::QAR1(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);::QAB1(A)
      • Refutation
        • R(c);
    • Try
      • Q(A);
      • Threat
        • QAR2(A),XR(c)
      • Vars
        • K(b);P-FLIGHT::QAR1(A),XR(c)
        • R(c);OGATE,SBLOCK::QAR2(A)
        • R(c);OGATE::QAB1(A)
      • Refutation
        • R(c);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • R(c);
  • Actual
    • Q(A);
    • Threat
      • QAR2(A),XR(c)
    • Vars
      • K(b);P-FLIGHT::QAR1(A),XR(c)
      • R(c);SBLOCK::QAR(A)
      • R(c);OGATE::QAB1(A)
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