MESON Chess Problem Database

Problem Display
PID: 218046 (2K1N3/8/R4p2/3pk3/7Q/8/8/8 w - - 0 1)

Uhler, Ekkehard

Badische Neueste Nachrichten, 1984

2K1N3/8/R4p2/3pk3/7Q/8/8/8

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kd7?
      • 1...d4
        • 2.Ra5#
      • 1...f5
        • 2.Re6#
      • 1...Kf5!
    • 1.Sxf6?
      • 1...d4
        • 2.Qg5#
        • 2.Qe4#
      • 1...Kf5!
    • 1.Ra4?
      • threat
        • 2.Qxf6#
      • 1...Kf5
        • 2.Qxf6#
      • 1...Ke6
        • 2.Qxf6#
      • 1...f5
        • 2.Qe1#
        • 2.Qf6#
        • 2.Qe7#
      • 1...d4!
    • 1.Re6+?
      • 1...Kxe6
        • 2.Qxf6#
      • 1...Kf5!
    • 1.Qg4?
      • threat
        • 2.Re6#
      • 1...d4
        • 2.Ra5#
      • 1...f5!
  • Keys
    • 1.Sd6!
      • 1...Ke6
        • 2.Qe1#
      • 1...d4
        • 2.Qe4#
      • 1...f5
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(a);OGATEB::R(B)
        • P(c);SBLOCK::R1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(D);XP(c)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(B);
      • Threat
        • QAB1(A),XP(c)
      • Vars
        • K(b);P-FLIGHT::QAR1(A),XP(c)
      • Refutation
        • P(a);
    • Try
      • R(B);CHECK
      • Vars
        • K(b);P-FLIGHT,XR(B)::QAR1(A),XP(c)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • R1(B)
      • Vars
        • P(a);OGATEB::R(B)
      • Refutation
        • P(c);
  • Actual
    • S(D);
    • Vars
      • K(b);P-FLIGHT::QAR(A)
      • P(a);N_GUARD::QAR1(A)
      • P(c);SBLOCK::S(D)
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