MESON Chess Problem Database

Problem Display
PID: 183211 (8/8/B1p5/2P5/3k1N2/K5P1/5NP1/6B1 w - - 0 1)

Hansen, Lorenz

Philadelphia Inquirer, 1907

8/8/B1p5/2P5/3k1N2/K5P1/5NP1/6B1

#2

8 + 2

6490 yacpdb 2018
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Se4#
  • Tries
    • 1.Sg4+?
      • 1...Ke4
        • 2.Bd3#
      • 1...Kc3!
  • Keys
    • 1.Bd3!
      • 1...Kc3
        • 2.Se4#
      • 1...Ke3
        • 2.Se4#
      • 1...Kxc5
        • 2.Se4#
      • 1...Ke5
        • 2.Sg4#

Anticipated by 235116(1895)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XP(G)::B(A)+S(B),DCHECK
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::B(H)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(H);
    • Vars
      • K(a);S_FLIGHT::S(B)
      • K(a);S_FLIGHT::B(A)+S(B)
      • K(a);S_FLIGHT,XP(G)::B(A)+S(B),DCHECK
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