MESON Chess Problem Database

Problem Display
PID: 163712 (1q1r1n2/8/4p3/1P2P3/P1pk2K1/2p1NQ1P/2P5/6B1 w - - 0 1)

Moller, Ferdinand Friedrich

Basler Nachrichten, 1923

1q1r1n2/8/4p3/1P2P3/P1pk2K1/2p1NQ1P/2P5/6B1

#2

9 + 7

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Sd5#
    • 1...Kxe5
      • 2.Sxc4#
      • 2.Qf4#
    • 1...Qxe5
      • 2.Sf5#
  • Tries
    • 1.Kg3?
      • threat
        • 2.Sg4#
      • 1...Kc5
        • 2.Sd5#
      • 1...Kxe5
        • 2.Sxc4#
        • 2.Qf4#
      • 1...Qxe5+!
    • 1.Kh4?
      • threat
        • 2.Sg4#
      • 1...Kc5
        • 2.Sd5#
      • 1...Kxe5
        • 2.Sxc4#
      • 1...Qxe5
        • 2.Sf5#
      • 1...Sg6+!
    • 1.Kg5?
      • threat
        • 2.Sg4#
      • 1...Qxe5+
        • 2.Sf5#
      • 1...Kc5
        • 2.Sd5#
      • 1...Kxe5
        • 2.Sxc4#
        • 2.Qf4#
      • 1...Sh7+!
    • 1.Qe4+?
      • 1...Kc5
        • 2.Sd5#
      • 1...Kxe4!
  • Keys
    • 1.Kh5!
      • threat
        • 2.Sg4#
      • 1...Qxe5+
        • 2.Sf5#
      • 1...Kc5
        • 2.Sd5#
      • 1...Kxe5
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::B(A)+S(C)
    • Q(e);SBLOCK,XP(I)::B(A)+S(C),DCHECK
  • Tries
    • Try
      • K(G);P-FLIGHT,P_SPINP(I)
      • Threat
        • B(A)+S(C)
      • Vars
        • K(c);S_FLIGHT::B(A)+S(C)
      • Refutation
        • Q(e);CHECK,XP(I)
    • Try
      • K(G);P-FLIGHT
      • Threat
        • B(A)+S(C)
      • Vars
        • K(c);S_FLIGHT::B(A)+S(C)
        • K(c);S_FLIGHT,XP(I)::S(C),XP(b)
        • Q(e);SBLOCK,XP(I)::B(A)+S(C),DCHECK
      • Refutation
        • S(g);CHECK
    • Try
      • K(G);P-FLIGHT
      • Threat
        • B(A)+S(C)
      • Vars
        • Q(e);CHECK,SBLOCK,XP(I)::B(A)+S(C),DCHECK
        • K(c);S_FLIGHT::B(A)+S(C)
      • Refutation
        • S(g);CHECK
    • Try
      • Q(D);CHECK
      • Vars
        • K(c);S_FLIGHT::B(A)+S(C)
      • Refutation
        • K(c);P-FLIGHT,XQ(D)
  • Actual
    • K(G);S_FLIGHT
    • Threat
      • B(A)+S(C)
    • Vars
      • Q(e);CHECK,SBLOCK,XP(I)::B(A)+S(C),DCHECK
      • K(c);S_FLIGHT::B(A)+S(C)
      • K(c);S_FLIGHT,XP(I)::S(C),XP(b)
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