MESON Chess Problem Database

Problem Display
PID: 119591 (8/2K5/4p3/2p1k1p1/2R4N/4bB2/8/6Q1 w - - 0 1)

Kuzmichev, Vladimir Viktorovich

Gorkovskaya Pravda, 1986

8/2K5/4p3/2p1k1p1/2R4N/4bB2/8/6Q1

#2

5 + 5

15249 Bohemian Garnets 03 (Fomichev) 2001
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf2
      • 2.Qxg5#
    • 1...Bd4
      • 2.Qxg5#
    • 1...Bf4
      • 2.Qa1#
  • Tries
    • 1.Qh2+?
      • 1...Bf4
        • 2.Qb2#
      • 1...Kf6!
  • Keys
    • 1.Rf4!
      • threat
        • 2.Sg6#
        • 2.Qxe3#
        • 2.Qxg5#
      • 1...Kxf4
        • 2.Qh2#
      • 1...Bxg1
        • 2.Sg6#
      • 1...Bxf4
        • 2.Qa1#
      • 1...gxf4
        • 2.Qg7#
      • 1...gxh4
        • 2.Qxe3#
        • 2.Qg5#
      • 1...Bc1
        • 2.Sg6#
        • 2.Qxg5#
      • 1...Bd2
        • 2.Sg6#
        • 2.Qxg5#
      • 1...Bf2
        • 2.Sg6#
        • 2.Qxg5#
      • 1...Bd4
        • 2.Sg6#
        • 2.Qxg5#
      • 1...g4
        • 2.Sg6#
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::QAR2(A),XP(d)
    • B(a);N_GUARD::QAB(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAB(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(C);
    • Threat
      • DUALS(3)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(C)::QAB(A)
      • B(a);XQ(A)::S(D)
      • B(a);N_GUARD,SBLOCK,XR(C)::QAB(A)
      • P(d);OGATE,SBLOCK,XR(C)::QAB(A)
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