MESON Chess Problem Database

Problem Display
PID: 201787 (8/pK6/1pR5/3k4/2N3Q1/1P6/1b4b1/8 w - - 0 1)

Avram, Constantine

Revista Romana de Sah, 1976

8/pK6/1pR5/3k4/2N3Q1/1P6/1b4b1/8

#2

5 + 5

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Qe6#
      • 2.Qxg2#
    • 1...Be5
      • 2.Se3#
    • 1...Be4
      • 2.Qd7#
  • Tries
    • 1.Qf5+?
      • 1...Be5
        • 2.Qxe5#
      • 1...Kd4!
    • 1.Qf4?
      • threat
        • 2.Se3#
      • 1...Be4
        • 2.Qd6#
      • 1...Bc1
        • 2.Qe5#
      • 1...Bd4!
  • Keys
    • 1.b4!
      • threat
        • 2.Rd6#
      • 1...Be4
        • 2.Qd7#
      • 1...Bd4
        • 2.Qe6#
        • 2.Qxg2#
      • 1...Be5
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::S(B)
    • B(b);SBLOCK::QAR2(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAR1(C),XB(a)
      • Refutation
        • K(c);P-FLIGHT,P_PINR(D)
    • Try
      • Q(C);
      • Threat
        • S(B)
      • Vars
        • B(b);SBLOCK::QAR1(C)
        • B(a);N_GUARD::QAR1(C)
      • Refutation
        • B(a);
  • Actual
    • P(A);
    • Threat
      • R1(D)
    • Vars
      • B(b);SBLOCK::QAR2(C)
      • B(a);SBLOCK::S(B)
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