MESON Chess Problem Database

Problem Display
PID: 181786 (8/4p3/2p2p2/2PkNp2/1P2RB2/4PB2/1K6/8 w - - 0 1)

Barry, Henry William

Lasker's Chess Magazine, 1905

8/4p3/2p2p2/2PkNp2/1P2RB2/4PB2/1K6/8

#2

8 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...e6
      • 2.Rc4#
      • 2.Rd4#
  • Tries
    • 1.Bd1?
      • 1...Kxe4
        • 2.Bf3#
      • 1...Ke6
        • 2.Bb3#
      • 1...fxe4
        • 2.Bb3#
      • 1...e6
        • 2.Rd4#
      • 1...fxe5!
  • Keys
    • 1.Be2!
      • 1...Kxe4
        • 2.Bf3#
      • 1...Ke6
        • 2.Bc4#
      • 1...fxe4
        • 2.Bc4#
      • 1...fxe5
        • 2.Rxe5#
      • 1...e6
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XR(E)::B(C)
        • K(a);S_FLIGHT::B(C)
        • P(b);SBLOCK,XR(E)::B(C)
        • P(e);SBLOCK::R1(E)
      • Refutation
        • P(d);XS(H)
  • Actual
    • B(C);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XR(E)::B(C)
      • K(a);S_FLIGHT::B(C)
      • P(b);SBLOCK,XR(E)::B(C)
      • P(d);OGATE,XS(H)::R1(E),XP(d)
      • P(e);SBLOCK::R1(E)
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