MESON Chess Problem Database

Problem Display
PID: 135046 (8/3p4/2p3NK/6R1/3k4/2RPN3/1P3P2/2bb4 w - - 0 1)

Beugelsdijk, Ruud R A

3rd HM., Schakend Nederland, 1982

8/3p4/2p3NK/6R1/3k4/2RPN3/1P3P2/2bb4

#2

8 + 5

102 Probleemblad 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Sxc2#
      • 2.Rg4#
    • 1...Be2
      • 2.Sc2#
    • 1...Bb3
      • 2.Rg4#
    • 1...Bf3
      • 2.Sc2#
    • 1...Ba4
      • 2.Rg4#
    • 1...Bg4
      • 2.Sc2#
      • 2.Rxg4#
    • 1...Bh5
      • 2.Sc2#
    • 1...c5
      • 2.Rd5#
    • 1...d5
      • 2.Sf5#
  • Tries
    • 1.Se5?
      • threat
        • 2.Rc4#
      • 1...Bb3
        • 2.Sf3#
      • 1...d5
        • 2.Sxc6#
      • 1...Bxe3!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Rc4#
      • 1...Bb3
        • 2.Se2#
      • 1...d5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • B(b);N_GUARD::S(E)
    • B(b);N_GUARD::R(F)
    • P(d);N_GUARD::R1(F)
    • P(e);SBLOCK::S(E)
  • Tries
    • Try
      • S(G);
      • Threat
        • R1(C)
      • Vars
        • B(b);N_GUARD::S(G)
        • P(e);N_GUARD::S(G),XP(d)
      • Refutation
        • B(a);P_PINR(F),XS(E)
  • Actual
    • S(G);
    • Threat
      • R1(C)
    • Vars
      • B(b);N_GUARD::S(G)
      • P(e);N_GUARD::S(G)
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