MESON Chess Problem Database

Problem Display
PID: 267502 (5b2/5N2/q1r1Bp2/pbr1P2Q/3pkp1K/8/5P2/2NR4 w - - 0 1)

Eddy, Edwin John

Sunday Referee, 1939

(First published on Sun Jan 29 1939)

5b2/5N2/q1r1Bp2/pbr1P2Q/3pkp1K/8/5P2/2NR4

#2

8 + 10

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Re1#
      • 2.Qe2#
    • 1...Rd5
      • 2.Bf5#
    • 1...f3
      • 2.Qg4#
      • 2.Qf5#
    • 1...fxe5
      • 2.Sg5#
  • Keys
    • 1.Sb3!
      • threat
        • 2.Rxd4#
      • 1...fxe5
        • 2.Sg5#
      • 1...Rc4
        • 2.Qe2#
      • 1...Rd5
        • 2.Bf5#
      • 1...Rd6
        • 2.Sxc5#
      • 1...Bd3
        • 2.Sd2#
      • 1...d3
        • 2.Re1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(f);SBLOCK::B(G)
    • P(i);N_GUARD,SBLOCK,XP(E)::S(H)
  • Actual
    • S(A);
    • Threat
      • R1(B),XP(a)
    • Vars
      • P(i);N_GUARD,SBLOCK,XP(E)::S(H)
      • R(f);S_CUTB(e)::QAR2(F)
      • R(f);SBLOCK::B(G)
      • R(h);N_GUARD,S_CUTB(j)::S(A),XR(f)
      • B(e);SBLOCK::S(A)
      • P(a);SBLOCK,S_CUTB(e)::R(B)
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