MESON Chess Problem Database

Problem Display
PID: 132985 (b7/5B2/2ppR3/5p2/p2kNPp1/P1R3P1/1BK5/b7 w - - 0 1)

Massingham, HW

The Field, 1959

(First published on Thu Oct 29 1959)

b7/5B2/2ppR3/5p2/p2kNPp1/P1R3P1/1BK5/b7

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...fxe4
      • 2.Rxd6#
  • Tries
    • 1.Rb3+?
      • 1...Kc4
        • 2.Rxd6#
      • 1...Kd5
        • 2.Re5#
        • 2.Re7#
        • 2.Re8#
      • 1...Bxb2!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Rxd6#
      • 1...Kd5
        • 2.Re4#
      • 1...c5
        • 2.Rd3#
      • 1...d5
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(e);SBLOCK,XS(F)::R(H),XP(g)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(c);P-FLIGHT::B(I)+R(H),XP(g)
      • Refutation
        • B(a);XB(A)
  • Actual
    • S(F);
    • Threat
      • R(H),XP(g)
    • Vars
      • K(c);P-FLIGHT::B(I)+R(H)
      • P(f);SBLOCK::B(A)+R(D),DCHECK
      • P(g);SBLOCK::B(A)+R(D),DCHECK
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