MESON Chess Problem Database

Problem Display
PID: 86564 (8/2Pk1P2/8/1R1BB3/8/8/6K1/8 w - - 0 1)

Melnichenko, Viktor Oleksandrovich

The Problemist, 1993

8/2Pk1P2/8/1R1BB3/8/8/6K1/8

#2

6 + 1

6490 yacpdb 2009
5454 Near Snap 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kc8
      • 2.Be6#
  • Tries
    • 1.Kf1?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Kg1?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Kh1?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Kf2?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Kh2?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Kf3?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Kg3?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Kh3?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Bc4?
      • 1...Kc6
        • 2.c8Q#
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Bh2?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Bg3?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Bf4?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Bd6?
      • 1...Kc8
        • 2.Be6#
      • 1...Kxd6!
    • 1.Rb1?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Rb2?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Rb3?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Rb4?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Rb6?
      • 1...Kc8
        • 2.Be6#
      • 1...Ke7!
    • 1.Rb7?
      • 1...Ke7
        • 2.c8Q#
        • 2.c8R#
      • 1...Kc8!
    • 1.c8Q+?
      • 1...Ke7
        • 2.Rb7#
        • 2.Qe8#
        • 2.f8Q#
        • 2.f8B#
      • 1...Kxc8!
    • 1.c8R?
      • 1...Ke7
        • 2.Rb7#
      • 1...Kxc8!
  • Keys
    • 1.f8B!
      • 1...Kc8
        • 2.Be6#
      • 1...Ke8
        • 2.c8Q#

Anticipated by 76536(1933), 137938(1963)

FEATURES

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