MESON Chess Problem Database

Problem Display
PID: 66602 (8/8/8/2nNrbP1/1QNp1ppK/2np1pB1/3RpR2/4k3 w - - 0 1)

Neumann, Itzhak

Hatzofe, 1966

8/8/8/2nNrbP1/1QNp1ppK/2np1pB1/3RpR2/4k3

#2

8 + 11

5828 My Selected Chess Problems (Neumann) 1968

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Qxb1#
    • 1...Sd1
      • 2.Rdxe2#
    • 1...S3a4
      • 2.Qb1#
    • 1...S3e4
      • 2.Qb1#
    • 1...Sb5
      • 2.Qb1#
    • 1...Sxd5
      • 2.Qb1#
  • Keys
    • 1.Sxf4!
      • threat
        • 2.Rxf3#
      • 1...Sd1
        • 2.Rdxe2#
      • 1...S3e4
        • 2.Qb1#
      • 1...S5e4
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • S(c);N_GUARD::QAR(D),XS(c)
    • S(c);SBLOCK::QAB(D)+R(A),DCHECK,XP(b)
    • S(c);N_GUARD::QAR(D)
    • S(c);N_GUARD,XS(G)::QAR(D)
  • Actual
    • S(G);XP(g)
    • Threat
      • B(C)+R(B),XP(e)
    • Vars
      • S(c);SBLOCK::QAB(D)+R(A),DCHECK,XP(b)
      • S(c);N_GUARD::QAR(D)
      • S(i);N_GUARD,S_CUTB(k)::S(G),XP(d)
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