MESON Chess Problem Database

Problem Display
PID: 256006 (3N3b/Kb6/pr4Rq/1pkn1p2/8/3p4/B1N3QB/2R5 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Berliner Morgenpost, 1970

3N3b/Kb6/pr4Rq/1pkn1p2/8/3p4/B1N3QB/2R5

#2

8 + 10

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Sxb7#
      • 2.Qxd5#
    • 1...Rd6
      • 2.Bxd6#
    • 1...Bc6
      • 2.Se6#
      • 2.Bd6#
    • 1...Bc8
      • 2.Qxd5#
  • Tries
    • 1.Se6+?
      • 1...Kc6
        • 2.Qxd5#
      • 1...Rxe6!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qxd5#
      • 1...Bxc6
        • 2.Bd6#
      • 1...Sc3
        • 2.Bd6#
      • 1...Se3
        • 2.Bd6#
      • 1...Sb4
        • 2.Bd6#
      • 1...Sf4
        • 2.S2d4#
      • 1...Sf6
        • 2.Se3#
      • 1...Sc7
        • 2.Bd6#
      • 1...Se7
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 2
  • Sets
    • R(g);N_GUARD::B(E),XR(g)
    • B(i);N_GUARD::QAR1(D),XS(d)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINS(d)::QAB1(D),XS(d)
      • Refutation
        • R(g);XS(H)
  • Actual
    • S(H);
    • Threat
      • QAR1(D),XS(d)
    • Vars
      • B(i);SBLOCK,XS(H)::B(E)
      • S(d);::B(E)
      • S(d);N_GUARD,S_CUTQ(h)::R(A)+S(C)
      • S(d);N_GUARD,S_CUTB(j)::R(A)+S(C)
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