MESON Chess Problem Database

Problem Display
PID: 210172 (8/2pK1N2/3p2N1/5kPB/4p3/2B1n3/6n1/Q7 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Udartsev, Valentin Filipovich

Springaren, 1988

8/2pK1N2/3p2N1/5kPB/4p3/2B1n3/6n1/Q7

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Sh4#
      • 2.Se7#
  • Tries
    • 1.Be5?
      • threat
        • 2.Se7#
      • 1...dxe5
        • 2.Qxe5#
      • 1...Sd5!
    • 1.Qf1+?
      • 1...Sf4
        • 2.Sh4#
        • 2.Se7#
        • 2.Qxf4#
      • 1...Sxf1!
  • Keys
    • 1.Bd2!
      • threat
        • 2.Qf6#
      • 1...Sg4
        • 2.Se7#
      • 1...Sd5
        • 2.Sh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • S(E)
      • Vars
        • P(e);OGATE,XB(B)::QAR1(A),XP(e)
      • Refutation
        • S(b);
    • Try
      • Q(A);CHECK
      • Refutation
        • S(b);XQ(A)
  • Actual
    • B(B);
    • Threat
      • QAR1(A)
    • Vars
      • S(b);::S(E)
      • S(b);::S(G)
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