MESON Chess Problem Database

Problem Display
PID: 233996 (BK1B4/1nN2r2/p2p4/7Q/kpR5/p1bP4/P7/2q5 w - - 0 1)

Degenkolbe, Mirko

Schreiber, Ronny

Freie Presse, 1984

BK1B4/1nN2r2/p2p4/7Q/kpR5/p1bP4/P7/2q5

#2

8 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...a5
      • 2.Qb5#
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sb6#
      • 1...Kb5
        • 2.Sxc3#
      • 1...Qe3
        • 2.Sxc3#
      • 1...Qg5
        • 2.Sxc3#
      • 1...Qg1
        • 2.Sxc3#
      • 1...Rf5
        • 2.Qe8#
      • 1...Bd4
        • 2.Rxb4#
      • 1...Be5
        • 2.Rxb4#
      • 1...Sc5
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • P(f);N_GUARD::QAB1(D)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(d);N_SPINP(e),S_FLIGHT::QAR(D)+S(E),DCHECK,XB(c)
      • Q(a);N_GUARD::S(E),XB(c)
      • R(i);OGATE::QAB(D)
      • B(c);N_GUARD::R1(C),XP(e)
      • S(h);OGATE::B(F)
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