MESON Chess Problem Database

Problem Display
PID: 207840 (8/b1n2B2/2K2p2/4k3/8/3pp1P1/8/7Q w - - 0 1)

Didenko, Vladimir Vasilovich

Sachova skladba, 1992

8/b1n2B2/2K2p2/4k3/8/3pp1P1/8/7Q

#2

4 + 6

5454 Near Snap 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sb5
      • 2.Qd5#
    • 1...Sd5
      • 2.Qxd5#
    • 1...Sa6
      • 2.Qd5#
    • 1...Se6
      • 2.Qd5#
    • 1...Sa8
      • 2.Qd5#
    • 1...Se8
      • 2.Qd5#
  • Keys
    • 1.Bd5!
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf5
        • 2.Qh5#
      • 1...Sxd5
        • 2.Qxd5#
      • 1...f5
        • 2.Qh8#

Anticipated by 184161(1927)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • S(f);N_GUARD::QAR1(A)
    • S(f);N_GUARD::QAR1(A),XS(f)
  • Actual
    • B(D);
    • Threat
      • QAR1(A)
    • Vars
      • K(c);S_FLIGHT::QAB(A)
      • K(c);P-FLIGHT::QAR2(A)
      • S(f);OGATE,XB(D)::QAR1(A),XS(f)
      • P(d);OGATEB,SBLOCK::QAB(A)
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