MESON Chess Problem Database

Problem Display
PID: 207654 (3K4/8/Q6B/5n2/8/5N2/3p4/3k2N1 w - - 0 1)

Didenko, Vladimir Vasilovich

Sachova skladba, 1991

3K4/8/Q6B/5n2/8/5N2/3p4/3k2N1

#2

5 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4?
      • threat
        • 2.Qf1#
        • 2.Qa1#
      • 1...Kc1
        • 2.Qa1#
      • 1...Ke1
        • 2.Qe2#
      • 1...Se3
        • 2.Qa1#
      • 1...Sg3
        • 2.Qa1#
      • 1...Sxd4!
  • Keys
    • 1.Se1!
      • threat
        • 2.Qa1#
      • 1...Kc1
        • 2.Qa1#
      • 1...Kxe1
        • 2.Qe2#
      • 1...dxe1Q
        • 2.Qa4#
      • 1...dxe1S
        • 2.Qe2#
      • 1...dxe1B
        • 2.Qe2#
        • 2.Qa4#
      • 1...dxe1R
        • 2.Qd3#
        • 2.Qa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR2(C)
        • K(a);P-FLIGHT::QAR1(C)
        • S(c);::QAR(C)
      • Refutation
        • S(c);XS(B)
  • Actual
    • S(B);
    • Threat
      • QAR(C)
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b)::QAR2(C)
      • K(a);P-FLIGHT,XS(B)::QAR1(C)
      • P(b);SBLOCK,XS(B)::QAB(C)
      • P(b);XS(B)::QAB1(C)
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