MESON Chess Problem Database

Problem Display
PID: 2586 (8/2B5/8/1n2Rp2/8/3bpkpB/4N3/4K3 w - - 0 1)

Paulsen, Louis

Source?, 0000

8/2B5/8/1n2Rp2/8/3bpkpB/4N3/4K3

#2

5 + 6

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Sg1#
  • Keys
    • 1.Re4!
      • threat
        • 2.Rf4#
      • 1...Kxe4
        • 2.Bg2#
      • 1...Bxe4
        • 2.Sg1#
      • 1...fxe4
        • 2.Sg1#
      • 1...f4
        • 2.Rxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(f);SBLOCK::S(B)
  • Actual
    • R(D);
    • Threat
      • R1(D)
    • Vars
      • K(c);S_FLIGHT,XR(D)::B(C)
      • B(a);SBLOCK,XR(D)::S(B)
      • P(f);SBLOCK,XR(D)::S(B)
      • P(f);::R1(D),XP(f)
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