MESON Chess Problem Database

Problem Display
PID: 269536 (Q6B/8/2PRp1K1/4N3/rn1pkp2/7R/pp2B3/1b2b3 w - - 0 1)

Eddy, Edwin John

4th Comm., The Observer, 1958

(First published on Sun May 4 1958)

Q6B/8/2PRp1K1/4N3/rn1pkp2/7R/pp2B3/1b2b3

#2

8 + 10

17397 Ling Notebooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Bd3#
    • 1...Sa6
      • 2.c7#
    • 1...Sxc6
      • 2.Qxc6#
  • Keys
    • 1.Sg4!
      • threat
        • 2.Rxd4#
      • 1...Sxc6
        • 2.Qxc6#
      • 1...Bf2
        • 2.Sxf2#
      • 1...Bc3
        • 2.Sf2#
      • 1...Sc2
        • 2.Bd3#
      • 1...Sd3
        • 2.Bf3#
      • 1...Sd5
        • 2.Rxe6#
      • 1...Sa6
        • 2.c7#
      • 1...d3
        • 2.Bf3#
        • 2.Rd4#
      • 1...e5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD,S_CUTB(a)::B(A)
    • S(f);N_GUARD,S_CUTR(e)::QAB(G)+P(D)
    • S(f);OGATE,P_SPINS(f),XP(D)::QAB(G),XS(f)
  • Actual
    • S(C);
    • Threat
      • R1(E),XP(g)
    • Vars
      • S(f);OGATE,P_SPINS(f),XP(D)::QAB(G),XS(f)
      • B(b);N_GUARD::S(C),XB(b)
      • B(b);N_GUARD::S(C)
      • S(f);N_GUARD,S_CUTB(a)::B(A)
      • S(f);SBLOCK::B(A)
      • S(f);SBLOCK::R(E),XP(j)
      • S(f);N_GUARD,S_CUTR(e)::QAB(G)+P(D)
      • P(j);SBLOCK::S(C)
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