MESON Chess Problem Database

Problem Display
PID: 137455 (2B5/1p6/1K2p1p1/3pk1B1/5R2/3p4/1P1N3N/8 w - - 0 1)

Lane, EM (= Lang, EM?)

The Field, 1926

(First published on Thu Oct 7 1926)

2B5/1p6/1K2p1p1/3pk1B1/5R2/3p4/1P1N3N/8

#2

7 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Bxb7?
      • 1...d4
        • 2.Sc4#
      • 1...Kd6!
    • 1.Rf6?
      • 1...Kd4
        • 2.Shf3#
      • 1...Kd6
        • 2.Rxe6#
      • 1...d4!
  • Keys
    • 1.Rd4!
      • 1...Kxd4
        • 2.Shf3#
      • 1...Kf5
        • 2.Rxd5#
      • 1...Kd6
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);XP(f)
      • Vars
        • P(b);N_GUARD::S(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(c);S_FLIGHT::S(C)
        • K(c);P_SPINP(d),S_FLIGHT::R1(D),XP(d)
      • Refutation
        • P(b);
  • Actual
    • R(D);
    • Vars
      • K(c);S_FLIGHT,XR(D)::S(C)
      • K(c);P-FLIGHT,P_SPINP(d)::R(D),XP(b)
      • K(c);P_SPINP(b),S_FLIGHT::S(B)
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