MESON Chess Problem Database

Problem Display
PID: 161270 (1nK2b2/2Bp4/2k1p1Q1/5R2/P2P4/8/8/8 w - - 0 1)

Albrecht, Hermann

Kurhessiche Landeszeitung, 1936

(First published on Sun Mar 29 1936)

1nK2b2/2Bp4/2k1p1Q1/5R2/P2P4/8/8/8

#2

6 + 5

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5
      • 2.Rxc5#
      • 2.d5#
    • 1...Bd6
      • 2.Qg2#
    • 1...Bh6
      • 2.Rc5#
    • 1...Bg7
      • 2.Rc5#
  • Tries
    • 1.Ra5?
      • threat
        • 2.d5#
      • 1...Bc5
        • 2.Rxc5#
      • 1...Bd6
        • 2.Qe4#
        • 2.Qg2#
      • 1...d6
        • 2.Qc2#
      • 1...d5!
    • 1.Qxe6+?
      • 1...Bd6
        • 2.Rc5#
        • 2.Qd5#
        • 2.Qe4#
        • 2.Qxd6#
      • 1...d6
        • 2.Rc5#
        • 2.Qc4#
        • 2.Qd5#
      • 1...dxe6!
  • Keys
    • 1.Rb5!
      • threat
        • 2.d5#
      • 1...Bc5
        • 2.Rxc5#
      • 1...Bd6
        • 2.Qe4#
        • 2.Qg2#
      • 1...d5
        • 2.Rb6#
      • 1...d6
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(e);N_SPINP(b),S_CUTP(c)::QAB(D)
    • B(e);N_GUARD::R1(C)
  • Tries
    • Try
      • R(C);
      • Threat
        • P(B)
      • Vars
        • B(e);N_GUARD::R1(C),XB(e)
        • P(c);N_SPINP(b),S_CUTB(e)::QAR(D)
      • Refutation
        • P(c);
    • Try
      • Q(D);CHECK,XP(b)
      • Refutation
        • P(c);XQ(D)
  • Actual
    • R(C);
    • Threat
      • P(B)
    • Vars
      • B(e);N_GUARD::R1(C),XB(e)
      • P(c);SBLOCK::R1(C)
      • P(c);N_SPINP(b),S_CUTB(e)::QAR(D)
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