MESON Chess Problem Database

Problem Display
PID: 243431 (7N/7n/2K1k1N1/1p2P3/2p1n2b/5R2/4QR2/1b6 w - - 0 1)

Beale, John Lindsay

Chess World (The), 1950

7N/7n/2K1k1N1/1p2P3/2p1n2b/5R2/4QR2/1b6

#2

7 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...b4
      • 2.Qxc4#
  • Keys
    • 1.Rf7!
      • threat
        • 2.Qg4#
      • 1...Sxf2
        • 2.Sf4#
      • 1...Sd2
        • 2.Sf4#
      • 1...Sc3
        • 2.Sf4#
      • 1...Sg3
        • 2.Sf4#
      • 1...Sc5
        • 2.Sf4#
      • 1...Seg5
        • 2.Sf4#
        • 2.Re7#
      • 1...Sd6
        • 2.Sf4#
      • 1...Sef6
        • 2.Re7#
      • 1...Shf6
        • 2.Re7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • P(e);N_GUARD::QAB(A),XP(b)
  • Actual
    • R(C);
    • Threat
      • QAB(A)
    • Vars
      • S(c);XR(B)::S(F)
      • S(c);::S(F)
      • S(c);S_CUTB(d)::R1(C)
      • S(g);S_CUTB(d)::R1(C)
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