MESON Chess Problem Database

Problem Display
PID: 90530 (8/kB1N4/2K5/N3p3/3r4/4B1b1/8/1R6 w - - 0 1)

Ahlheim, Karl-Heinz

Die Schwalbe, 1968

8/kB1N4/2K5/N3p3/3r4/4B1b1/8/1R6

#2

6 + 4

6490 yacpdb 2009
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Bxd4#
  • Keys
    • 1.Kc5!
      • threat
        • 2.Sc6#
      • 1...Rc4+
        • 2.Kxc4#
      • 1...Rd5+
        • 2.Kxd5#
      • 1...Rb4
        • 2.Kxb4#
      • 1...Rd6
        • 2.Kxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(c);N_GUARD::B(B),XR(b)
  • Actual
    • K(D);N_PINR(b),P-FLIGHT
    • Threat
      • S(C)
    • Vars
      • R(b);CHECK::B(B)+K(D),XR(b)
      • R(b);::B(B)+K(D),XR(b)
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