MESON Chess Problem Database

Problem Display
PID: 69829 (2Q5/1p3b1q/3P2pR/1PPk4/8/1K1NpP2/1nNb3B/1n6 w - - 0 1)

Navon, Emanuel

Scacchi e Scienze Applicate, 1988

2Q5/1p3b1q/3P2pR/1PPk4/8/1K1NpP2/1nNb3B/1n6

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Sdb4#
    • 1...Bb4
      • 2.Sdxb4#
    • 1...Sc3
      • 2.Sdb4#
    • 1...g5
      • 2.Qxb7#
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qe4#
      • 1...Sxd3
        • 2.Qc4#
      • 1...Sc3
        • 2.Scb4#
      • 1...g5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(c);N_GUARD::S(D)
    • B(c);N_GUARD::S(D),XB(c)
    • S(a);S_CUTB(c)::S(D)
    • P(f);::QAB(J),XP(g)
  • Actual
    • Q(J);
    • Threat
      • QAB1(J)
    • Vars
      • S(b);N_GUARD,XS(D)::QAB1(J)
      • S(a);S_CUTB(c)::S(A)
      • P(f);::QAR1(J)
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