MESON Chess Problem Database

Problem Display
PID: 201047 (1KN5/1B6/4N2Q/2p1k3/5r2/2qp4/8/8 w - - 0 1)

Barron, Philip

The Observer, 1949

(First published on Sun Aug 7 1949)

1KN5/1B6/4N2Q/2p1k3/5r2/2qp4/8/8

#2

5 + 5

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Sg7!
      • threat
        • 2.Qd6#
      • 1...Kd4
        • 2.Qxf4#
      • 1...Qd4
        • 2.Qe6#
      • 1...Rd4
        • 2.Qg5#
      • 1...Rf6
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(A);
    • Threat
      • QAB1(B)
    • Vars
      • K(e);S_FLIGHT::QAR2(B),XR(c)
      • Q(a);SBLOCK::QAR1(B)
      • R(c);N_GUARD,SBLOCK::QAR2(B)
      • R(c);OGATE,SBLOCK::QAR2(B)
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