MESON Chess Problem Database

Problem Display
PID: 72138 (n3NK1B/3ppp1b/2ppk1pp/8/4P3/5N2/1b6/6Q1 w - - 0 1)

Elbaz, Mohamed Jamal

Probleemblad, 2007

n3NK1B/3ppp1b/2ppk1pp/8/4P3/5N2/1b6/6Q1

#2

6 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Sd4#
    • 1...Ba3
      • 2.Sd4#
    • 1...Bd4
      • 2.Sxd4#
    • 1...Bf6
      • 2.Qg4#
    • 1...Sb6
      • 2.Sc7#
    • 1...Sc7
      • 2.Sxc7#
    • 1...h5
      • 2.Sg5#
    • 1...f6
      • 2.Sg7#
  • Tries
    • 1.Bf6?
      • threat
        • 2.Qg4#
      • 1...exf6
        • 2.Sg7#
      • 1...h5
        • 2.Sg5#
      • 1...g5!
    • 1.Qd4?
      • threat
        • 2.Sg7#
      • 1...Bxd4
        • 2.Sxd4#
      • 1...d5!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qxe7#
      • 1...Bg7+
        • 2.Sxg7#
      • 1...hxg5
        • 2.Sxg5#
      • 1...Bf6
        • 2.Qg4#
      • 1...f6
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • B(a);N_GUARD::S(B)
    • B(a);N_GUARD::S(B),XB(a)
    • B(a);S_CUTP(i)::QAB(A)
    • S(k);N_GUARD::S(D)
    • S(k);N_GUARD::S(D),XS(k)
    • P(f);N_GUARD::S(B)
    • P(i);SBLOCK,S_CUTB(a)::S(D)
  • Tries
    • Try
      • B(F);
      • Threat
        • QAB(A)
      • Vars
        • P(h);SBLOCK,XB(F)::S(D)
        • P(f);N_GUARD::S(B)
      • Refutation
        • P(e);
    • Try
      • Q(A);
      • Threat
        • S(D)
      • Vars
        • B(a);XQ(A)::S(B),XB(a)
      • Refutation
        • P(c);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XP(h)
    • Vars
      • B(a);CHECK,N_GUARD::S(D),XB(a)
      • P(f);XQ(A)::S(B),XP(f)
      • B(a);S_CUTP(i)::QAB(A)
      • P(i);S_CUTB(a)::S(D)
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