MESON Chess Problem Database

Problem Display
PID: 157249 (8/8/1K6/3Bp3/4R3/kN6/8/1R6 w - - 0 1)

Speckmann, Werner

Die Schwalbe, 1940

8/8/1K6/3Bp3/4R3/kN6/8/1R6

#2

5 + 2

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4?
      • threat
        • 2.Sc2#
        • 2.Sb5#
      • 1...Ka4
        • 2.Sc2#
        • 2.Sb5#
      • 1...exd4!
  • Keys
    • 1.Re3!
      • threat
        • 2.Sc5#
      • 1...Ka2
        • 2.Sd2#
      • 1...Ka4
        • 2.Sc5#
      • 1...Kb4
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Refutation
        • P(b);XS(B)
  • Actual
    • R(C);
    • Threat
      • R(C)+S(B)
    • Vars
      • K(a);P-FLIGHT::B(D)+S(B)
      • K(a);P-FLIGHT::S(B)
      • K(a);S_FLIGHT::R(A)+S(B)
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