MESON Chess Problem Database

Problem Display
PID: 161269 (r4Q2/1B2nqP1/1n4p1/1N4p1/2RB1kP1/7P/5PK1/8 w - - 0 1)

Albrecht, Hermann

Neue Leipziger Zeitung, 1936

(First published on Sun Feb 23 1936)

r4Q2/1B2nqP1/1n4p1/1N4p1/2RB1kP1/7P/5PK1/8

#2

10 + 7

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qb8#
    • 1...Ra2
      • 2.Qb8#
    • 1...Ra3
      • 2.Qb8#
    • 1...Ra4
      • 2.Qb8#
    • 1...Ra5
      • 2.Qb8#
    • 1...Ra6
      • 2.Qb8#
    • 1...Ra7
      • 2.Qb8#
    • 1...Rb8
      • 2.Qxb8#
    • 1...Sa4
      • 2.Ba1#
      • 2.Bb2#
      • 2.Bc3#
    • 1...Sbd5
      • 2.Ba1#
      • 2.Bb2#
      • 2.Bc3#
      • 2.Bf6#
    • 1...Sd7
      • 2.Ba1#
      • 2.Bb2#
      • 2.Bc3#
    • 1...Sbc8
      • 2.Ba1#
      • 2.Bb2#
      • 2.Bc3#
    • 1...Sec8
      • 2.Qxf7#
    • 1...Sg8
      • 2.Qd6#
  • Keys
    • 1.Sc3!
      • threat
        • 2.Se2#
      • 1...Ra2
        • 2.Qb8#
      • 1...Sbd5
        • 2.Bf6#
      • 1...Sed5
        • 2.Qd6#
      • 1...Sc6
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • R(g);N_GUARD::QAB(J)
    • R(g);N_GUARD,P_PINP(A)::QAB(J)
    • R(g);N_GUARD::QAB(J),XR(g)
    • S(e);N_GUARD::QAR(J),XQ(f)
    • S(e);OGATE::QAB(J)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • R(g);N_GUARD,P_PINP(A)::QAB(J)
      • S(c);N_GUARD::R(D)+B(E)
      • S(e);OGATE::QAB(J)
      • S(e);N_GUARD::QAR(J),XQ(f)
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