MESON Chess Problem Database

Problem Display
PID: 163985 (1B6/8/8/8/6p1/3K4/5kNP/4R3 w - - 0 1)

Lincoln, Robert A

Ouellet, Charles

Springaren, 2013

1B6/8/8/8/6p1/3K4/5kNP/4R3

#2

5 + 2

5454 Near Snap 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Sh4?
      • threat
        • 2.Bg3#
      • 1...g3
        • 2.Bxg3#
      • 1...Kxe1!
    • 1.Bg3+?
      • 1...Kf3
        • 2.Sh4#
      • 1...Kxg2!
  • Keys
    • 1.Se3!
      • threat
        • 2.Rf1#
      • 1...Kxe1
        • 2.Bg3#
      • 1...Kf3
        • 2.Rf1#

Anticipated by 224631(1888), 22278(1899), 187622(1909), 189692(1912)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • B(E)
      • Vars
        • P(b);::B(E),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • B(E);CHECK
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT,XS(B)
  • Actual
    • S(B);
    • Threat
      • R1(A)
    • Vars
      • K(a);S_FLIGHT,XR(A)::B(E)
      • K(a);P-FLIGHT::R(A)
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