MESON Chess Problem Database

Problem Display
PID: 266589 (3N2R1/2pPk3/2P5/4p3/4K3/8/2p5/2B5 w - - 0 1)

Chernikh, Vassily

Zadachi i Etyudi, 2011

3N2R1/2pPk3/2P5/4p3/4K3/8/2p5/2B5

#2

6 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Ba3#
    • 1...Kf6
      • 2.Bg5#
  • Tries
    • 1.Rg1?
      • 1...Kd6
        • 2.Ba3#
      • 1...Kxd8
        • 2.Bg5#
      • 1...Kf8
        • 2.Ba3#
      • 1...Kf6!
    • 1.Rg2?
      • 1...Kd6
        • 2.Ba3#
      • 1...Kxd8
        • 2.Bg5#
      • 1...Kf8
        • 2.Ba3#
      • 1...Kf6!
    • 1.Rg3?
      • 1...Kd6
        • 2.Ba3#
      • 1...Kxd8
        • 2.Bg5#
      • 1...Kf8
        • 2.Ba3#
      • 1...Kf6!
    • 1.Rg4?
      • 1...Kd6
        • 2.Ba3#
      • 1...Kxd8
        • 2.Bg5#
      • 1...Kf8
        • 2.Ba3#
      • 1...Kf6!
    • 1.Rg7+?
      • 1...Kd6
        • 2.Ba3#
      • 1...Kxd8
        • 2.Bg5#
      • 1...Kf8
        • 2.Se6#
      • 1...Kf6!
    • 1.Re8+?
      • 1...Kd6
        • 2.Ba3#
      • 1...Kf6!
    • 1.Rf8?
      • threat
        • 2.Ba3#
      • 1...Kd6
        • 2.Ba3#
      • 1...Kxf8!
    • 1.Rh8?
      • 1...Kd6
        • 2.Ba3#
      • 1...Kf6!
  • Keys
    • 1.Rg6!
      • 1...Kxd8
        • 2.Bg5#
      • 1...Kf8
        • 2.Ba3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(d);N_GUARD,S_FLIGHT::B(A)
  • Tries
    • Try
      • R(F);
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(A)
        • K(d);N_GUARD,S_FLIGHT,XS(E)::B(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(A)
        • K(d);N_GUARD,S_FLIGHT,XS(E)::B(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(A)
        • K(d);N_GUARD,S_FLIGHT,XS(E)::B(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(A)
        • K(d);N_GUARD,S_FLIGHT,XS(E)::B(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(A)
        • K(d);N_GUARD,S_FLIGHT,XS(E)::B(A)
        • K(d);N_GUARD,S_FLIGHT::S(E)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(F);
      • Threat
        • B(A)
      • Vars
        • K(d);S_FLIGHT::B(A)
      • Refutation
        • K(d);S_FLIGHT,XR(F)
    • Try
      • R(F);
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • R(F);
    • Vars
      • K(d);N_GUARD,S_FLIGHT,XS(E)::B(A)
      • K(d);N_GUARD,S_FLIGHT::B(A)
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