MESON Chess Problem Database

Problem Display
PID: 141823 (3K4/1pN5/pB6/3B4/kr4Q1/b1P5/8/3R4 w - - 0 1)

Karge, Fritz

Deutsche Schachzeitung, 1987

3K4/1pN5/pB6/3B4/kr4Q1/b1P5/8/3R4

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qd7#
    • 1...Re4
      • 2.Qd7#
    • 1...Rf4
      • 2.Qd7#
    • 1...Bc1
      • 2.Qxb4#
    • 1...Bb2
      • 2.Qxb4#
  • Keys
    • 1.Rb1!
      • threat
        • 2.Bb3#
      • 1...Bc1
        • 2.Qxb4#
      • 1...Bb2
        • 2.Qxb4#
      • 1...Rc4
        • 2.Qd1#
      • 1...Rd4
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(c);N_GUARD,P_PINB(D)::QAB(C)
    • R(c);N_GUARD::QAB(C)
    • B(a);N_GUARD::QAR1(C),XR(c)
  • Actual
    • R(A);
    • Threat
      • B(D)
    • Vars
      • B(a);N_GUARD::QAR1(C),XR(c)
      • R(c);N_GUARD::QAB(C)
      • R(c);N_GUARD,P_PINB(D)::QAB(C)
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