MESON Chess Problem Database

Problem Display
PID: 119850 (8/4N3/5p2/1KN1k2r/5R1p/8/5P2/b5Q1 w - - 0 1)

Nilson, AO

Goteborgs Handels Tidning, 1913

8/4N3/5p2/1KN1k2r/5R1p/8/5P2/b5Q1

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Rd4!
      • threat
        • 2.f4#
      • 1...Kxd4
        • 2.Qxa1#
      • 1...Bxd4
        • 2.Qh2#
      • 1...f5
        • 2.Qg7#
      • 1...Rf5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);
    • Threat
      • P(B)
    • Vars
      • K(c);OGATEB,P_PINS(E),S_FLIGHT,XR(C)::QAB(A),XB(a)
      • B(a);SBLOCK,XR(C)::QAB(A)
      • P(e);OGATEB::QAB(A)
      • R(d);SBLOCK::S(F)
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