MESON Chess Problem Database

Problem Display
PID: 160922 (6N1/4p1pP/2pp3P/1RrrkP2/4p3/1P3P1N/1R3P2/Bb4QK w - - 0 1)

Albrecht, Hermann

Meissner Tageblatt, 1935

6N1/4p1pP/2pp3P/1RrrkP2/4p3/1P3P1N/1R3P2/Bb4QK

#2

13 + 9

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Rd2#
  • Tries
    • 1.Qh2+?
      • 1...Kd4
        • 2.Rd2#
      • 1...Kxf5!
    • 1.Qg3+?
      • 1...Kd4
        • 2.Rd2#
      • 1...Kxf5!
    • 1.f4+?
      • 1...Kd4
        • 2.Rd2#
      • 1...Kxf5!
  • Keys
    • 1.Sxe7!
      • threat
        • 2.Qxg7#
      • 1...Kd4
        • 2.Rd2#
      • 1...Kf6
        • 2.Qxg7#
      • 1...exf3
        • 2.Re2#
      • 1...gxh6
        • 2.Qg7#
        • 2.h8Q#
        • 2.h8B#
      • 1...Rc1
        • 2.Rc2#
      • 1...Rd1
        • 2.Rd2#
      • 1...g5
        • 2.h8Q#
        • 2.h8B#
      • 1...g6
        • 2.h8Q#
        • 2.h8B#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::B(A)+R(D),DCHECK
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(e);S_FLIGHT::B(A)+R(D),DCHECK
      • Refutation
        • K(e);P-FLIGHT,XP(J)
    • Try
      • Q(B);CHECK
      • Vars
        • K(e);S_FLIGHT::B(A)+R(D),DCHECK
      • Refutation
        • K(e);P-FLIGHT,XP(J)
    • Try
      • P(G);CHECK
      • Vars
        • K(e);S_FLIGHT::B(A)+R(D),DCHECK
      • Refutation
        • K(e);P-FLIGHT,XP(J)
  • Actual
    • S(M);XP(h)
    • Threat
      • QAB(B),XP(i)
    • Vars
      • K(e);S_FLIGHT::B(A)+R(D),DCHECK
      • K(e);S_FLIGHT::QAB1(B),XP(i)
      • P(b);XP(G)::B(A)+R(D),DCHECK
      • R(c);N_GUARD,P_PINQ(B),P_SPINR(d)::B(A)+R(D)
      • R(d);N_GUARD,P_PINQ(B),P_SPINR(c)::B(A)+R(D)
      • P(i);::P=Q
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