MESON Chess Problem Database

Problem Display
PID: 136734 (5KQn/B1p5/3kP1p1/4N3/b1P2P2/8/8/3r4 w - - 0 1)

Roosendaal, Jan C

Probleemblad, 2010

5KQn/B1p5/3kP1p1/4N3/b1P2P2/8/8/3r4

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Bb8#
  • Keys
    • 1.e7!
      • threat
        • 2.c5#
      • 1...Sf7
        • 2.Qxg6#
      • 1...c5
        • 2.Bb8#
      • 1...c6
        • 2.e8S#
      • 1...Rc1
        • 2.Qd5#
      • 1...Rd5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(e);OGATEB,SBLOCK::B(E)
  • Actual
    • P(D);
    • Threat
      • P(A)
    • Vars
      • S(f);N_GUARD::QAR(G),XP(d)
      • P(e);OGATEB,SBLOCK::B(E)
      • P(e);S_CUTB(b)::P=S
      • R(a);N_GUARD::QAR1(G)
      • R(a);N_GUARD::QAR1(G),XR(a)
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