MESON Chess Problem Database

Problem Display
PID: 141421 (8/8/5p2/4k3/3R4/8/B2K4/Q7 w - - 0 1)

Ingre, Bengt

Jonsson, Christer

Juel, Henrik

Petite, Efren

Valeriu, ?

Thema Danicum, 1992

8/8/5p2/4k3/3R4/8/B2K4/Q7

#2

4 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Ke3?
      • 1...f5
        • 2.Rd1#
        • 2.Rd2#
        • 2.Rd3#
        • 2.Rd7#
        • 2.Rd8#
      • 1...Kf5!
    • 1.Bf7?
      • 1...Kf5
        • 2.Qa5#
      • 1...f5!
    • 1.Qe1+?
      • 1...Kxd4
        • 2.Qe3#
      • 1...Kf5!
    • 1.Qg1?
      • 1...f5
        • 2.Qg7#
      • 1...Kf5!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qe4#
        • 2.Qd5#
      • 1...Kxd4
        • 2.Qd5#
      • 1...Kf5
        • 2.Qh5#
      • 1...f5
        • 2.Qh8#

This is a version of 102164

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);P-FLIGHT::QAR(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT,XR(D)::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);S_FLIGHT,XR(D)::QAR1(A)
      • K(a);P-FLIGHT::QAR2(A)
      • P(b);OGATEB,SBLOCK::QAB(A)
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