MESON Chess Problem Database

Problem Display
PID: 86401 (BR6/P2p4/3kP3/5PB1/3p2P1/3K4/3N4/8 w - - 0 1)

Rudenko, Nikolai Ivanovich

Republika, 1990

BR6/P2p4/3kP3/5PB1/3p2P1/3K4/3N4/8

#2

9 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Se4#
    • 1...Ke5
      • 2.Sc4#
  • Tries
    • 1.Sc4+?
      • 1...Kc7
        • 2.Bd8#
      • 1...Kc5!
    • 1.Se4+?
      • 1...Kc7
        • 2.Bd8#
      • 1...Ke5!
    • 1.Bf4+?
      • 1...Kc5
        • 2.Sb3#
        • 2.Se4#
      • 1...Ke7!
    • 1.Rc8?
      • threat
        • 2.Sc4#
      • 1...Ke5
        • 2.Sc4#
      • 1...dxe6!
    • 1.exd7?
      • 1...Kc5
        • 2.Se4#
        • 2.Be7#
      • 1...Ke5
        • 2.Sc4#
      • 1...Kc7
        • 2.d8Q#
      • 1...Kxd7!
  • Keys
    • 1.e7!
      • 1...Kc5
        • 2.Se4#
      • 1...Ke5
        • 2.Sc4#
      • 1...Kc7
        • 2.e8S#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(A)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(A);CHECK
      • Vars
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(E);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(I);
      • Threat
        • S(A)
      • Vars
        • K(b);S_FLIGHT::S(A)
      • Refutation
        • P(c);XP(F)
    • Try
      • P(F);XP(c)
      • Vars
        • K(b);S_FLIGHT::S(A)
        • K(b);S_FLIGHT::P=Q
      • Refutation
        • K(b);P-FLIGHT,XP(F)
  • Actual
    • P(F);
    • Vars
      • K(b);S_FLIGHT::S(A)
      • K(b);S_FLIGHT::P=S
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