MESON Chess Problem Database

Problem Display
PID: 219181 (2R5/8/3k2K1/B1NP4/8/8/4R3/8 w - - 0 1)

Uhler, Ekkehard

Badische Neueste Nachrichten, 1985

2R5/8/3k2K1/B1NP4/8/8/4R3/8

#2

6 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sb3?
      • threat
        • 2.Rd8#
      • 1...Kd7
        • 2.Rd8#
      • 1...Kxd5!
    • 1.Sd3?
      • threat
        • 2.Rd8#
      • 1...Kd7
        • 2.Rd8#
      • 1...Kxd5!
    • 1.Sa4?
      • threat
        • 2.Rd8#
      • 1...Kd7
        • 2.Rd8#
      • 1...Kxd5!
    • 1.Sa6?
      • threat
        • 2.Rd8#
      • 1...Kd7
        • 2.Rd8#
      • 1...Kxd5!
    • 1.Sb7+?
      • 1...Kd7
        • 2.Rc7#
        • 2.Rd8#
      • 1...Kxd5!
    • 1.Sd7?
      • 1...Kxd7
        • 2.Rd8#
      • 1...Kxd5!
  • Keys
    • 1.Rd2!
      • 1...Ke5
        • 2.Bc7#
      • 1...Ke7
        • 2.d6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • R(F)
      • Vars
        • K(a);P-FLIGHT::R1(F)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • S(C);
      • Threat
        • R(F)
      • Vars
        • K(a);P-FLIGHT::R1(F)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • S(C);
      • Threat
        • R(F)
      • Vars
        • K(a);P-FLIGHT::R1(F)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • S(C);
      • Threat
        • R(F)
      • Vars
        • K(a);P-FLIGHT::R1(F)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • S(C);CHECK
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • S(C);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(C)::R1(F)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
  • Actual
    • R(A);
    • Vars
      • K(a);S_FLIGHT::B(B)
      • K(a);OGATE,S_FLIGHT::P(D)
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