MESON Chess Problem Database

Problem Display
PID: 12379 (8/7Q/5K2/8/1B1k4/P3p3/8/3B4 w - - 0 1)

Dasni, Shamil Ade

Shakhmaty v SSSR, 1978

8/7Q/5K2/8/1B1k4/P3p3/8/3B4

#2

5 + 2

5454 Near Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Ba4?
      • 1...Kc4
        • 2.Qe4#
      • 1...Kd5
        • 2.Qd3#
      • 1...e2!
    • 1.Qg8?
      • 1...Kd3
        • 2.Qd5#
      • 1...Ke4
        • 2.Qc4#
      • 1...e2!
    • 1.Qh4+?
      • 1...Kd5
        • 2.Bf3#
      • 1...Kd3!
    • 1.Qf7?
      • 1...Kd3
        • 2.Qd5#
      • 1...Ke4
        • 2.Qc4#
      • 1...e2!
  • Keys
    • 1.Bc2!
      • threat
        • 2.Qd3#
        • 2.Qe4#
      • 1...Kc4
        • 2.Qd3#
      • 1...Kd5
        • 2.Qe4#

Anticipated by 38982(1972), 125339(1972)

This anticipates 154638(1982), 256449(1983), 85323(1988), 241069(1989), 108589(1998), 262342(2014)

FEATURES

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