MESON Chess Problem Database

Problem Display
PID: 85741 (8/8/7p/7Q/5k2/3p4/3N1p2/2B2K2 w - - 0 1)

Speckmann, Werner

Suddeutsche Schachzeitung, 1960

8/8/7p/7Q/5k2/3p4/3N1p2/2B2K2

#2

4 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qe5#
    • 1...Kg3
      • 2.Se4#
  • Tries
    • 1.Ba3?
      • 1...Kg3
        • 2.Bd6#
      • 1...Ke3!
  • Keys
    • 1.Bb2!
      • 1...Ke3
        • 2.Qxh6#
      • 1...Kg3
        • 2.Be5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAR2(D)
    • K(c);S_FLIGHT::S(C)
  • Tries
    • Try
      • B(A);
      • Vars
        • K(c);S_FLIGHT::B(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(c);S_FLIGHT::QAB(D),XP(d)
      • K(c);S_FLIGHT::B(A)
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