MESON Chess Problem Database

Problem Display
PID: 93295 (8/8/1p5K/2k1B3/3R4/8/4B2Q/8 w - - 0 1)

Kjaer, Harald

Arbejder-Skak, 1968

8/8/1p5K/2k1B3/3R4/8/4B2Q/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Ba6?
      • threat
        • 2.Qc2#
      • 1...Kc6
        • 2.Qc2#
      • 1...b5!
    • 1.Bd6+?
      • 1...Kxd4
        • 2.Qe5#
      • 1...Kc6!
    • 1.Bc7?
      • threat
        • 2.Qd6#
      • 1...Kxd4
        • 2.Qe5#
      • 1...Kc6!
    • 1.Qh3?
      • threat
        • 2.Qc8#
        • 2.Qc3#
      • 1...Kc6
        • 2.Qc8#
      • 1...b5!
  • Keys
    • 1.Bb8!
      • threat
        • 2.Qd6#
      • 1...Kxd4
        • 2.Qe5#
      • 1...Kc6
        • 2.Qc7#

FEATURES

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