MESON Chess Problem Database

Problem Display
PID: 187061 (4B3/8/4R3/3N2P1/6kB/6P1/8/5K2 w - - 0 1)

Umari, Basil

The Problemist Supplement, 2018

4B3/8/4R3/3N2P1/6kB/6P1/8/5K2

#2

7 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Bh5#
  • Tries
    • 1.Se3+?
      • 1...Kf3
        • 2.Bh5#
        • 2.Bc6#
      • 1...Kh3!
    • 1.Sf4?
      • 1...Kf3
        • 2.Bh5#
      • 1...Kf5!
    • 1.Se7?
      • 1...Kf3
        • 2.Bh5#
      • 1...Kh3!
    • 1.Bg6?
      • 1...Kf3
        • 2.Bh5#
      • 1...Kh3!
    • 1.Bf7?
      • 1...Kf3
        • 2.Bh5#
      • 1...Kf5
        • 2.Se3#
      • 1...Kh3!
    • 1.Re2?
      • 1...Kf3
        • 2.Bh5#
      • 1...Kh3
        • 2.Bd7#
      • 1...Kf5!
    • 1.Re5?
      • 1...Kf3
        • 2.Bh5#
      • 1...Kh3!
    • 1.Re7?
      • 1...Kf3
        • 2.Bh5#
      • 1...Kf5
        • 2.Se3#
      • 1...Kh3!
  • Keys
    • 1.Bd7!
      • 1...Kf3
        • 2.Re3#
      • 1...Kh3
        • 2.Re2#
      • 1...Kf5
        • 2.Se3#
      • 1...Kh5
        • 2.Rh6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(G)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::B(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::B(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(G);
      • Vars
        • K(a);S_FLIGHT::B(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(G);
      • Vars
        • K(a);S_FLIGHT::B(G)
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::B(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::B(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::B(G)
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(G);
    • Vars
      • K(a);S_FLIGHT::R1(F)
      • K(a);S_FLIGHT::B(G)+R(F)
      • K(a);S_FLIGHT::S(D)
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