MESON Chess Problem Database

Problem Display
PID: 186347 (4r2N/2r1p3/2p2P2/1Rn1kN2/2Pp3p/5K1Q/8/B7 w - - 0 1)

Roosendaal, Jan C

Schakend Nederland, 1982

4r2N/2r1p3/2p2P2/1Rn1kN2/2Pp3p/5K1Q/8/B7

#2

8 + 8

15601 Albrecht-Leiss-Degener Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...e6
      • 2.Bxd4#
  • Keys
    • 1.Sxd4!
      • threat
        • 2.Qe6#
      • 1...Kd6
        • 2.Sf7#
      • 1...Kxf6
        • 2.Se6#
      • 1...cxb5
        • 2.Sxb5#
      • 1...exf6
        • 2.Qh2#
      • 1...e6
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(g);SBLOCK::B(A),XP(a)
  • Actual
    • S(F);XP(a)
    • Threat
      • QAR1(C)
    • Vars
      • K(d);N_SPINS(c),S_FLIGHT::S(H)
      • K(d);N_SPINS(c),S_FLIGHT,XP(G)::B(A)+S(F)
      • P(e);N_SPINS(c),XR(E)::B(A)+S(F),XP(e)
      • P(g);SBLOCK,XP(G)::QAB(C)
      • P(g);SBLOCK::B(A)+S(F)
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