MESON Chess Problem Database

Problem Display
PID: 11639 (8/8/8/8/1K1R4/1N6/R1N1kB2/8 w - - 0 1)

Pilchenko, Viacheslav Karlovich

2nd Prize, Platov MT, 1970

8/8/8/8/1K1R4/1N6/R1N1kB2/8

#2

6 + 1

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Sets
    • 1...Kf1
      • 2.Se3#
    • 1...Kf3
      • 2.Se1#
  • Tries
    • 1.Ka3?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Kc3?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Ka4?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Kc4?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Ka5?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Kb5?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Kc5?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Sba1?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Sc1+?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Sa5?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Sc5?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Rb2?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Rd2+?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3!
    • 1.Rc4?
      • 1...Kd1
        • 2.Se3#
      • 1...Kf1
        • 2.Se3#
      • 1...Kd3
        • 2.Se1#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
    • 1.Rh4?
      • 1...Kd1
        • 2.Se3#
      • 1...Kf1
        • 2.Se3#
      • 1...Kd3
        • 2.Se1#
      • 1...Kf3
        • 2.Se1#
      • 1...Kxf2!
  • Keys
    • 1.Rf4!
      • 1...Kd1
        • 2.Se3#
      • 1...Kf1
        • 2.Se3#
      • 1...Kd3
        • 2.Se1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::S(B)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • S(D);CHECK
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • R(F);CHECK
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
  • Actual
    • R(F);
    • Vars
      • K(a);S_FLIGHT::S(B)
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