MESON Chess Problem Database

Problem Display
PID: 73140 (8/8/8/8/8/3N4/K3p1BR/4BNkn w - - 0 1)

Groeneveld, Cornelis

Neue Osnabrucker Zeitung, 1993

8/8/8/8/8/3N4/K3p1BR/4BNkn

#2

6 + 3

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.Bxf2#
    • 1...Sg3
      • 2.Bf2#
  • Keys
    • 1.Sf4!
      • threat
        • 2.Sxe2#
        • 2.Sh3#
        • 2.Rxh1#
      • 1...exf1Q
        • 2.Rxh1#
      • 1...exf1S
        • 2.Rxh1#
      • 1...exf1B
        • 2.Rxh1#
      • 1...exf1R
        • 2.Rxh1#
      • 1...Sf2
        • 2.Sxe2#
      • 1...Sg3
        • 2.Sh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::B(A),XS(b)
    • S(b);N_GUARD::B(A)
  • Actual
    • S(F);
    • Threat
      • DUALS(3)
    • Vars
      • P(c);XS(B)::R1(E),XS(b)
      • S(b);::S(F),XP(c)
      • S(b);::S(F)
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