MESON Chess Problem Database

Problem Display
PID: 154636 (q1Q3BB/6r1/2b1N1n1/R2N1P1R/1p2kP2/8/4P3/2K5 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Schach-Express, 1950

q1Q3BB/6r1/2b1N1n1/R2N1P1R/1p2kP2/8/4P3/2K5

#2

11 + 6

15148 Sadier Collection 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Ra7
      • 2.Sc5#
      • 2.Sg5#
    • 1...Rb7
      • 2.Sc5#
      • 2.Sg5#
    • 1...Rc7
      • 2.Sc5#
      • 2.Sg5#
    • 1...Rd7
      • 2.Sc5#
    • 1...Re7
      • 2.Sc5#
      • 2.Sg5#
    • 1...Rf7
      • 2.Sg5#
    • 1...Rh7
      • 2.Sc5#
      • 2.Sg5#
    • 1...Rxg8
      • 2.Sg5#
    • 1...Ba4
      • 2.Qc4#
    • 1...Bb7
      • 2.Qc2#
      • 2.Qc4#
    • 1...Bd7
      • 2.Qc2#
      • 2.Qc4#
    • 1...Be8
      • 2.Qc2#
      • 2.Qc4#
  • Keys
    • 1.Kd2!
      • threat
        • 2.Sf6#
      • 1...Bxd5
        • 2.Qc2#
      • 1...Rd7
        • 2.Sc5#
      • 1...Rf7
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(e);::S(H)
    • R(e);XB(J)::S(H)
    • B(c);OGATE::QAR2(I)
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • S(E)
    • Vars
      • B(c);OGATE,XS(E)::QAB(I)
      • R(e);P_PINS(E)::S(H)
      • R(e);::S(H)
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