MESON Chess Problem Database

Problem Display
PID: 153753 (8/5B2/1K1p4/3R4/1p6/1k6/2R5/8 w - - 0 1)

Amirov, Talip Khasanovich

Vestnik, 1983

8/5B2/1K1p4/3R4/1p6/1k6/2R5/8

#2

4 + 3

15148 Sadier Collection 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Ka3
      • 2.Ra5#
    • 1...Ka4
      • 2.Ra5#
  • Tries
    • 1.Ka6?
      • 1...Ka3
        • 2.Ra5#
      • 1...Ka4
        • 2.Ra5#
      • 1...Kxc2!
    • 1.Be6?
      • 1...Ka3
        • 2.Ra5#
      • 1...Ka4
        • 2.Ra5#
      • 1...Kxc2!
    • 1.Bg8?
      • 1...Ka3
        • 2.Ra5#
      • 1...Ka4
        • 2.Ra5#
      • 1...Kxc2!
    • 1.Rdd2+?
      • 1...Ka3
        • 2.Ra2#
      • 1...Ka4
        • 2.Ra2#
      • 1...d5!
    • 1.Rd3+?
      • 1...Ka4
        • 2.Be8#
        • 2.Ra2#
      • 1...Kxc2!
    • 1.Rdc5+?
      • 1...Ka3
        • 2.Ra2#
        • 2.Ra5#
      • 1...Ka4
        • 2.Ra2#
        • 2.Ra5#
      • 1...d5!
    • 1.Rxd6+?
      • 1...Ka3
        • 2.Ra2#
      • 1...Ka4
        • 2.Ra2#
      • 1...Kxc2!
  • Keys
    • 1.Rcd2!
      • 1...Ka3
        • 2.Ra5#
      • 1...Kc3
        • 2.R5d3#
      • 1...Ka4
        • 2.Ra5#
      • 1...Kc4
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(B)
    • K(a);S_FLIGHT::R1(B)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::R(B)
        • K(a);S_FLIGHT::R1(B)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT::R(B)
        • K(a);S_FLIGHT::R1(B)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • B(D);
      • Vars
        • K(a);P-FLIGHT::R(B)
        • K(a);S_FLIGHT::R1(B)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • R(B);CHECK
      • Vars
        • K(a);P-FLIGHT::R1(A)
        • K(a);S_FLIGHT::R(A)
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • R(B);CHECK
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • R(B);CHECK
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • R(B);CHECK,XP(c)
      • Vars
        • K(a);P-FLIGHT::R1(A)
        • K(a);S_FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
  • Actual
    • R(A);
    • Vars
      • K(a);P-FLIGHT::R(B)
      • K(a);P-FLIGHT::R1(B)
      • K(a);S_FLIGHT::R1(B)
      • K(a);S_FLIGHT::B(D)+R(B),DCHECK
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