MESON Chess Problem Database

Problem Display
PID: 132064 (8/n7/1Q5B/6q1/2p1B3/2R1Pp2/3Pkr2/2KR4 w - - 0 1)

Pilchenko, Viacheslav Karlovich

2nd HM., Hlas l'udu, 1978

8/n7/1Q5B/6q1/2p1B3/2R1Pp2/3Pkr2/2KR4

#2

8 + 6

56 The Problemist 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe3
      • 2.Rxe3#
      • 2.Qxe3#
  • Tries
    • 1.Rc2?
      • threat
        • 2.d3#
      • 1...Qxe3
        • 2.Qxe3#
        • 2.dxe3#
      • 1...Qa5!
    • 1.Qb2?
      • threat
        • 2.d4#
      • 1...Qxe3
        • 2.Rxe3#
        • 2.dxe3#
      • 1...Qb5!
    • 1.d4?
      • threat
        • 2.Qb2#
      • 1...Qxe3+
        • 2.Rxe3#
      • 1...cxd4 ep
        • 2.Bxd3#
      • 1...Qb5
        • 2.Rc2#
      • 1...Sb5!
  • Keys
    • 1.d3!
      • threat
        • 2.Rc2#
      • 1...Qxe3+
        • 2.Qxe3#
      • 1...cxd3
        • 2.Bxd3#
      • 1...Qa5
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • R(D)+P(C)
      • Refutation
        • Q(e);
    • Try
      • Q(G);
      • Threat
        • QAR(G)+P(C)
      • Refutation
        • Q(e);
    • Try
      • P(C);P_SPINP(E)
      • Threat
        • QAR(G)
      • Vars
        • Q(e);CHECK,OGATE,XP(E)::R1(D),XQ(e)
        • P(d);EP,N_GUARD,XP(C)::B(F),XP(d)
        • Q(e);N_PINP(E)::R(D)
      • Refutation
        • S(f);
  • Actual
    • P(C);P_SPINP(E)
    • Threat
      • R(D)
    • Vars
      • Q(e);CHECK,OGATE,XP(E)::QAR1(G),XQ(e)
      • P(d);OGATE,XP(C)::B(F),XP(d)
      • Q(e);N_PINP(E)::QAR(G)
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