MESON Chess Problem Database

Problem Display
PID: 67466 (8/p3K1pB/2QP4/1p1P1NR1/r3k3/3b3P/4Pn1B/8 w - - 0 1)

Vasilenko, Anatoly Grigorovich

1st Prize, Odessa, 1997

8/p3K1pB/2QP4/1p1P1NR1/r3k3/3b3P/4Pn1B/8

#2

10 + 7

5418 FIDE Album (1995-1997) (Annexe) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Rg4#
    • 1...Sh1
      • 2.Rg4#
    • 1...Sg4
      • 2.Rxg4#
  • Tries
    • 1.Rg3?
      • threat
        • 2.Re3#
      • 1...Kf4
        • 2.Rg4#
      • 1...Ke5
        • 2.Re3#
      • 1...Sd1
        • 2.Rg4#
      • 1...Sg4
        • 2.Rxg4#
      • 1...g6!
    • 1.Rg6?
      • threat
        • 2.Re6#
      • 1...Kxf5
        • 2.Rxg7#
      • 1...Sg4
        • 2.Rxg4#
      • 1...Bxe2!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qe5#
      • 1...Kxd5
        • 2.Se3#
      • 1...Bxe2
        • 2.Sxg7#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Sg4
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(a);N_GUARD::R(F)
    • S(a);N_GUARD::R(F),XS(a)
  • Tries
    • Try
      • R(F);
      • Threat
        • R1(F)
      • Vars
        • K(d);P-FLIGHT::B(B)+R(F),DCHECK
        • S(a);N_GUARD::R(F)
        • S(a);N_GUARD::R(F),XS(a)
      • Refutation
        • P(g);
    • Try
      • R(F);
      • Threat
        • R(F)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XS(E)::B(J)+R(F),XP(g)
        • S(a);N_GUARD::R(F),XS(a)
      • Refutation
        • B(b);XP(A)
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • K(d);S_FLIGHT,XP(D)::R(F)+S(E),DCHECK
      • B(b);XP(A)::B(J)+S(E),XP(g)
      • R(c);N_GUARD::QAR1(G),XR(c)
      • S(a);N_GUARD::QAB1(G),XB(b)
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