MESON Chess Problem Database

Problem Display
PID: 151049 (2R5/4Q3/7K/4R3/8/N2p4/r1bp4/3k4 w - - 0 1)

Ahlheim, Karl-Heinz

Die Schwalbe, 1971

2R5/4Q3/7K/4R3/8/N2p4/r1bp4/3k4

#2

5 + 5

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qh1#
      • 1...Kc1
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(D);
    • Threat
      • QAR(D)
    • Vars
      • K(a);P-FLIGHT,P_SPINB(c)::QAR1(D)
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