MESON Chess Problem Database

Problem Display
PID: 63786 (8/1p3K1B/1N1ppp2/4k3/R4p1N/3pp3/nPP5/2Q3bq w - - 0 1)

Muller, Dieter

1st Prize, Mat TT, 1978

8/1p3K1B/1N1ppp2/4k3/R4p1N/3pp3/nPP5/2Q3bq

#2

8 + 11

3750 FIDE Album (1977-1979) 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Qf3
      • 2.Sxf3#
    • 1...Qe4
      • 2.Rxe4#
    • 1...Qd5
      • 2.Sd7#
    • 1...Qh2
      • 2.Sf3#
      • 2.Re4#
    • 1...Qh3
      • 2.Re4#
    • 1...Qxh4
      • 2.Re4#
    • 1...e2
      • 2.Qxf4#
    • 1...f3
      • 2.Re4#
    • 1...f5
      • 2.Sg6#
  • Keys
    • 1.cxd3!
      • threat
        • 2.d4#
      • 1...Sb4
        • 2.Qc3#
      • 1...d5
        • 2.Qc7#
      • 1...Qe4
        • 2.Rxe4#
      • 1...Qd5
        • 2.Sd7#
      • 1...e2
        • 2.Qxf4#
      • 1...f3
        • 2.Re4#
      • 1...f5
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • Q(b);N_GUARD::S(E),XQ(b)
    • Q(b);N_GUARD::R1(D),XQ(b)
    • Q(b);SBLOCK::S(F)
    • Q(b);N_GUARD::R1(D)
    • Q(b);N_GUARD,XS(E)::R1(D)
    • P(e);OGATE::QAB1(A),XP(f)
    • P(f);S_CUTQ(b)::R1(D)
    • P(j);SBLOCK::S(E)
  • Actual
    • P(C);XP(d)
    • Threat
      • P(C)
    • Vars
      • S(c);N_GUARD::QAB(A)
      • P(h);OGATEB::QAB(A)
      • Q(b);N_GUARD::R1(D),XQ(b)
      • Q(b);SBLOCK::S(F)
      • P(e);OGATE::QAB1(A),XP(f)
      • P(f);S_CUTQ(b)::R1(D)
      • P(j);SBLOCK::S(E)
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