MESON Chess Problem Database

Problem Display
PID: 153217 (8/8/8/3N4/1R1p4/8/2k3B1/R3K3 w Q - 0 1)

McDowell, Michael

1st HM., StrateGems 02. Miniature Ty., 2011

8/8/8/3N4/1R1p4/8/2k3B1/R3K3

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Bh3?
      • 1...Kd3
        • 2.Bf5#
      • 1...d3!
    • 1.Rab1?
      • 1...d3
        • 2.R4b2#
      • 1...Kd3!
    • 1.Rc1+?
      • 1...Kd3
        • 2.Rb3#
      • 1...Kxc1!
    • 1.Ra2+?
      • 1...Kd3
        • 2.Rd2#
      • 1...Kc1!
    • 1.Ra3?
      • 1...d3
        • 2.Rc3#
      • 1...Kc1!
    • 1.Ra5?
      • 1...Kc1
        • 2.Rc5#
      • 1...d3
        • 2.Rc5#
      • 1...Kd3!
    • 1.Ra6?
      • 1...Kc1
        • 2.Rc6#
      • 1...d3
        • 2.Rc6#
      • 1...Kd3!
    • 1.Ra7?
      • 1...Kc1
        • 2.Rc7#
      • 1...d3
        • 2.Rc7#
      • 1...Kd3!
    • 1.Ra8?
      • 1...Kc1
        • 2.Rc8#
      • 1...d3
        • 2.Rc8#
      • 1...Kd3!
  • Keys
    • 1.Bf3!
      • 1...Kd3
        • 2.0-0-0#
      • 1...d3
        • 2.Bd1#

FEATURES

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