MESON Chess Problem Database

Problem Display
PID: 79348 (8/3R4/8/3N4/p2kNp2/rR1p3K/2BPQ3/4n3 w - - 0 1)

Barnes, Barry Peter

The Tablet, 1964

(First published on Sat Apr 18 1964)

8/3R4/8/3N4/p2kNp2/rR1p3K/2BPQ3/4n3

#2

8 + 6

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Sb6#
      • 2.Rb4#
  • Tries
    • 1.Sc7+?
      • 1...Ke5
        • 2.Rb5#
        • 2.Rd5#
      • 1...Kc4!
    • 1.Qf2+?
      • 1...Kc4
        • 2.Sb6#
        • 2.Rb4#
        • 2.Qc5#
      • 1...Kxe4
        • 2.Qxf4#
      • 1...Ke5!
  • Keys
    • 1.Rb5!
      • threat
        • 2.Sb6#
      • 1...dxc2+
        • 2.Sdc3#
      • 1...dxe2+
        • 2.Se3#
      • 1...Kc4
        • 2.Rb4#
      • 1...Ke5
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(e);P-FLIGHT,P_SPINP(c)
    • Try
      • Q(C);CHECK
      • Vars
        • K(e);OGATEB,P-FLIGHT,P_SPINP(c),XS(F)::QAR1(C),XP(f)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • R(D);
    • Threat
      • R(H)+S(G)
    • Vars
      • P(c);CHECK,XB(A)::R(H)+S(G)
      • P(c);CHECK,XQ(C)::R(H)+S(G)
      • K(e);P-FLIGHT,P_SPINP(c)::R1(D)
      • K(e);S_FLIGHT::R(D)+S(G)
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