MESON Chess Problem Database

Problem Display
PID: 73012 (3B4/5p2/8/4N1R1/4Bkp1/RN2p1np/2QP1n1P/K2b2br w - - 0 1)

Nijny, AM

Tijdschrift vd KNSB, 1936

3B4/5p2/8/4N1R1/4Bkp1/RN2p1np/2QP1n1P/K2b2br

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.Rf5#
    • 1...Se2
      • 2.Rf5#
    • 1...Sf5
      • 2.Rxf5#
    • 1...Sh5
      • 2.Rf5#
    • 1...f5
      • 2.Sg6#
  • Keys
    • 1.Sc5!
      • threat
        • 2.dxe3#
      • 1...Sfxe4
        • 2.Scd3#
      • 1...exd2
        • 2.Qxd2#
        • 2.hxg3#
      • 1...Sf5
        • 2.Rxf5#
      • 1...f5
        • 2.Sg6#
      • 1...f6
        • 2.Se6#
      • 1...Sd3
        • 2.Sexd3#
      • 1...Sf1
        • 2.Rf5#
      • 1...e2
        • 2.hxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(f);N_GUARD::R1(I)
    • S(f);N_GUARD::R1(I),XS(f)
    • P(j);N_GUARD::S(H)
  • Actual
    • S(F);
    • Threat
      • P(C),XP(e)
    • Vars
      • S(d);N_GUARD,SBLOCK,XB(G)::S(F)
      • S(f);N_GUARD::R1(I),XS(f)
      • P(j);N_GUARD::S(H)
      • P(j);N_GUARD::S(F)
      • S(d);N_GUARD::S(H),XS(d)
      • S(f);N_GUARD::R1(I)
      • P(e);::P(D),XS(f)
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Developed and maintained by Brian Stephenson.
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