MESON Chess Problem Database

Problem Display
PID: 241246 (8/2R5/p4K1k/R2p4/2N3p1/3p4/3p4/3B4 w - - 0 1)

Pilchenko, Viacheslav Karlovich

Sachsische Zeitung, 1990

8/2R5/p4K1k/R2p4/2N3p1/3p4/3p4/3B4

#2

5 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kh5
      • 2.Rh7#
  • Tries
    • 1.Se5?
      • 1...Kh5
        • 2.Rh7#
      • 1...d4
        • 2.Sxg4#
      • 1...g3!
    • 1.Sd6?
      • 1...Kh5
        • 2.Rh7#
      • 1...g3
        • 2.Sf5#
      • 1...d4!
    • 1.Rxd5?
      • 1...g3
        • 2.Rh5#
      • 1...a5!
    • 1.Rc8?
      • threat
        • 2.Rh8#
      • 1...Kh5
        • 2.Rh8#
      • 1...Kh7!
  • Keys
    • 1.Se3!
      • 1...Kh5
        • 2.Rh7#
      • 1...d4
        • 2.Sxg4#
      • 1...g3
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(f);P-FLIGHT,P_SPINP(c)::R(E)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(f);P-FLIGHT,P_SPINP(c)::R(E)
        • P(d);::S(B),XP(c)
      • Refutation
        • P(c);
    • Try
      • S(B);
      • Vars
        • K(f);P-FLIGHT,P_SPINP(c)::R(E)
        • P(c);::S(B)
      • Refutation
        • P(d);
    • Try
      • R(C);XP(d)
      • Vars
        • P(c);::R1(C)
      • Refutation
        • P(e);
    • Try
      • R(E);
      • Threat
        • R(E)
      • Vars
        • K(f);P-FLIGHT,P_SPINP(c)::R(E)
      • Refutation
        • K(f);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(f);P-FLIGHT,P_SPINP(c)::R(E)
      • P(d);::S(B),XP(c)
      • P(c);::S(B)
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