MESON Chess Problem Database

Problem Display
PID: 141466 (2Q2N2/5p2/8/2Bkp3/4R3/3b2K1/8/8 w - - 0 1)

Steif, Adolf

Deutsches Wochenschach, 1890

2Q2N2/5p2/8/2Bkp3/4R3/3b2K1/8/8

#2

5 + 4

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Sh7?
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Sf6#
      • 1...f6
        • 2.Sxf6#
      • 1...Bxe4!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Sf6#
      • 1...Ke6
        • 2.Rxe5#
      • 1...Bxe4
        • 2.Sb6#
      • 1...f6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • K(b);S_FLIGHT,XR(B)::S(E)
        • P(d);::S(E),XP(d)
      • Refutation
        • B(a);XR(B)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(b);S_FLIGHT,XR(B)::S(E)
      • K(b);P_SPINP(c),S_FLIGHT::R1(B),XP(c)
      • B(a);SBLOCK,XR(B)::S(E)
      • P(d);::S(E),XP(d)
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