MESON Chess Problem Database

Problem Display
PID: 18801 (5r2/3B4/8/pNNk4/K4bRr/5P2/1BR5/8 w - - 0 1)

Barnes, Barry Peter

1st Prize, 04. McWilliam U-21 Ty., 1958

5r2/3B4/8/pNNk4/K4bRr/5P2/1BR5/8

#2

8 + 5

3976 FIDE Album (1956-1958) 1961
3174 The Two-move Chess Problem Tradition and Development 1966
4199 Barnes about Chess Problems 2001
56 The Problemist 2001

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • threat
        • 2.Rc5#
      • 1...Rc8
        • 2.Sxf4#
      • 1...Bd6
        • 2.Sc3#
      • 1...Be3!
    • 1.Se4?
      • threat
        • 2.Rc5#
      • 1...Be3
        • 2.Sc7#
      • 1...Rc8
        • 2.Sf6#
      • 1...Bd6!
    • 1.Sa6?
      • threat
        • 2.Rc5#
      • 1...Be3
        • 2.Sac7#
      • 1...Bd6
        • 2.Rd2#
      • 1...Rc8!
    • 1.Sb7?
      • threat
        • 2.Rc5#
      • 1...Be3
        • 2.Sc7#
      • 1...Bd6
        • 2.Rd2#
      • 1...Rc8!
  • Keys
    • 1.Se6!
      • threat
        • 2.Rc5#
      • 1...Rc8
        • 2.Sxf4#
      • 1...Be3
        • 2.Sec7#
      • 1...Bd6
        • 2.Rd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • R1(B)
      • Vars
        • R(e);N_GUARD::S(G),XB(a)
        • B(a);P_PINR(E),SBLOCK::S(F)
      • Refutation
        • B(a);P_PINR(E)
    • Try
      • S(G);
      • Threat
        • R1(B)
      • Vars
        • B(a);N_GUARD::S(F)
        • R(e);N_GUARD::S(G)
      • Refutation
        • B(a);
    • Try
      • S(G);
      • Threat
        • R1(B)
      • Vars
        • B(a);N_GUARD,P_PINR(E)::S(G)
        • B(a);N_GUARD,P_PINR(E)::R(B)
      • Refutation
        • R(e);
    • Try
      • S(G);
      • Threat
        • R1(B)
      • Vars
        • B(a);N_GUARD,P_PINR(E)::S(F)
        • B(a);N_GUARD,P_PINR(E)::R(B)
      • Refutation
        • R(e);
  • Actual
    • S(G);
    • Threat
      • R1(B)
    • Vars
      • R(e);N_GUARD::S(G),XB(a)
      • B(a);N_GUARD,P_PINR(E)::S(G)
      • B(a);N_GUARD,P_PINR(E)::R(B)
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Developed and maintained by Brian Stephenson.
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