MESON Chess Problem Database

Problem Display
PID: 91848 (8/8/1p1p4/8/2Bk4/8/4QP2/4K3 w - - 0 1)

Daishkovsky, Aleksandr

Schach, 1987

8/8/1p1p4/8/2Bk4/8/4QP2/4K3

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bb3?
      • threat
        • 2.Qe3#
      • 1...Kc5
        • 2.Qc4#
      • 1...Kc3!
    • 1.Be6?
      • threat
        • 2.Qe3#
      • 1...Kc3
        • 2.Qd2#
      • 1...Kc5
        • 2.Qc4#
      • 1...d5!
    • 1.Bf7?
      • threat
        • 2.Qe3#
      • 1...Kc3
        • 2.Qd2#
      • 1...Kc5
        • 2.Qc4#
      • 1...d5!
    • 1.Bg8?
      • threat
        • 2.Qe3#
      • 1...Kc3
        • 2.Qd2#
      • 1...Kc5
        • 2.Qc4#
      • 1...d5!
  • Keys
    • 1.Ba2!
      • threat
        • 2.Qe3#
      • 1...Kc3
        • 2.Qd2#
      • 1...Kc5
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • P(c);
    • Try
      • B(D);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • P(c);
    • Try
      • B(D);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • P(c);
  • Actual
    • B(D);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::QAR1(B)
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