MESON Chess Problem Database

Problem Display
PID: 76320 (5K2/8/4pkp1/8/3R4/8/8/1BB5 w - - 0 1)

Lakeland, Rev T

The Tablet, 1926

(First published on Sat Oct 30 1926)

5K2/8/4pkp1/8/3R4/8/8/1BB5

#2

4 + 3

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Rd6#
  • Tries
    • 1.Bf4?
      • 1...e5
        • 2.Rd6#
      • 1...g5!
    • 1.Rd5?
      • threat
        • 2.Bg5#
      • 1...e5
        • 2.Rd6#
      • 1...g5
        • 2.Bxg5#
      • 1...exd5!
    • 1.Rd6?
      • 1...g5
        • 2.Bb2#
      • 1...Ke5!
  • Keys
    • 1.Bh6!
      • 1...Ke5
        • 2.Bg7#
      • 1...g5
        • 2.Bg7#
      • 1...e5
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB,SBLOCK::R(C)
  • Tries
    • Try
      • B(B);
      • Vars
        • P(a);OGATEB::R(C)
      • Refutation
        • P(c);
    • Try
      • R(C);
      • Threat
        • B(B)
      • Vars
        • P(a);OGATEB,SBLOCK::R(C)
        • P(c);::B(B),XP(c)
      • Refutation
        • P(a);XR(C)
    • Try
      • R(C);P_PINP(a)
      • Vars
        • P(c);SBLOCK::B(B)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(b);S_FLIGHT::B(B)
      • P(c);SBLOCK::B(B)
      • P(a);OGATEB,SBLOCK::R(C)
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