MESON Chess Problem Database

Problem Display
PID: 154090 (8/5p2/3P4/R7/2kp2R1/K3p1N1/1n1PP2b/5B2 w - - 0 1)

Drousie, J-P

diagrammes, 1974

8/5p2/3P4/R7/2kp2R1/K3p1N1/1n1PP2b/5B2

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.exd3#
  • Tries
    • 1.Rgg5?
      • threat
        • 2.Rac5#
        • 2.Rgc5#
      • 1...d3
        • 2.Rg4#
      • 1...Sd3
        • 2.exd3#
      • 1...Sa4
        • 2.Rxa4#
      • 1...f5!
    • 1.Rg8?
      • threat
        • 2.Rc8#
      • 1...d3
        • 2.Rg4#
      • 1...Sd3
        • 2.exd3#
      • 1...Sa4!
  • Keys
    • 1.Se4!
      • threat
        • 2.Rc5#
      • 1...Bxd6+
        • 2.Sxd6#
      • 1...d3
        • 2.Sg3#
      • 1...Sd3
        • 2.exd3#
      • 1...Sa4
        • 2.d3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE::P(C),XS(a)
  • Tries
    • Try
      • R(F);N_PINP(e)
      • Threat
        • DUALS(2)
      • Vars
        • P(e);OGATEB::R(F)
        • S(a);OGATE::P(C),XS(a)
        • S(a);N_GUARD::R(G),XS(a)
      • Refutation
        • P(f);
    • Try
      • R(F);N_PINP(e)
      • Threat
        • R(F)
      • Vars
        • P(e);OGATEB::R(F)
        • S(a);OGATE::P(C),XS(a)
      • Refutation
        • S(a);
  • Actual
    • S(E);N_PINP(e)
    • Threat
      • R1(G)
    • Vars
      • B(b);CHECK,XP(H)::S(E),XB(b)
      • P(e);::R(F)+S(E)
      • S(a);OGATE::P(C),XS(a)
      • S(a);N_GUARD::P(B)
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Developed and maintained by Brian Stephenson.
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