MESON Chess Problem Database

Problem Display
PID: 205471 (1Q2Nb2/1nr2P2/N1p5/p3k1P1/4P1B1/4PK2/8/8 w - - 0 1)

Dischler, Max

Badische Neueste Nachrichten, 1979

1Q2Nb2/1nr2P2/N1p5/p3k1P1/4P1B1/4PK2/8/8

#2

9 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Qb2#
    • 1...Sd6
      • 2.Qb2#
    • 1...Sd8
      • 2.Qb2#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Sd3#
        • 2.Sd7#
      • 1...Sxc5
        • 2.Qb2#
      • 1...Bd6
        • 2.Sd3#
      • 1...Sd6
        • 2.Sd3#
        • 2.Qb2#
      • 1...Bxc5!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sc4#
      • 1...Rxf7+
        • 2.Sxf7#
      • 1...Kxd6
        • 2.Qxc7#
      • 1...Bxd6
        • 2.Qh8#
      • 1...Sxd6
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(d);OGATE::QAB(H)
    • S(d);N_SPINR(e),OGATE::QAB(H)
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);OGATE,XS(F)::QAB(H)
        • B(f);N_SPINR(e)::S(F)
      • Refutation
        • B(f);XS(F)
  • Actual
    • S(I);N_PINR(e)
    • Threat
      • S(I)
    • Vars
      • R(e);CHECK,XP(G)::QAB(H)+S(I),DCHECK,XR(e)
      • K(b);OGATEB,P_SPINR(e),S_FLIGHT,XS(I)::QAB1(H),XR(e)
      • B(f);OGATE,SBLOCK,XS(I)::QAB(H)
      • S(d);OGATE,SBLOCK,XS(I)::QAB(H)
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