MESON Chess Problem Database

Problem Display
PID: 252925 (8/p1Np4/r2P2Q1/p2p4/qk1p4/3p3K/1PR4p/1bN2Bbr w - - 0 1)

Maleika, Gerhard

Probleemblad, 1983

8/p1Np4/r2P2Q1/p2p4/qk1p4/3p3K/1PR4p/1bN2Bbr

#2

8 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd6
      • 2.Qxd6#
    • 1...dxc2
      • 2.Sxa6#
    • 1...d2
      • 2.Sxd5#
      • 2.Sxa6#
  • Keys
    • 1.Qxd3!
      • threat
        • 2.Sxd5#
        • 2.Sxa6#
        • 2.Qd2#
      • 1...Qxc2
        • 2.Qb5#
        • 2.Qa3#
      • 1...Rxd6
        • 2.Qd2#
      • 1...Bxc2
        • 2.Sxa6#
      • 1...Qb3
        • 2.Qxb3#
      • 1...Qb5
        • 2.Qxb5#
        • 2.Qa3#
        • 2.Qb3#
      • 1...Qc6
        • 2.Qa3#
        • 2.Qb3#
      • 1...Qa1
        • 2.Qb5#
        • 2.Qb3#
      • 1...Qa2
        • 2.Qb5#
      • 1...Qa3
        • 2.Qxa3#
      • 1...Rb6
        • 2.Sxd5#
        • 2.Qd2#
      • 1...Rc6
        • 2.Sxd5#
      • 1...Ba2
        • 2.Sxa6#
        • 2.Qd2#
      • 1...Be3
        • 2.Sxd5#
        • 2.Sxa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(k);OGATE,XP(F)::QAB(G),XR(k)
    • P(e);XR(D)::S(H),XR(k)
  • Actual
    • Q(G);XP(e)
    • Threat
      • DUALS(3)
    • Vars
      • R(k);XP(F)::QAB(G)
      • B(a);XR(D)::S(H),XR(k)
      • Q(f);N_GUARD,P_PINQ(G)::QAR1(G),XQ(f)
      • Q(f);N_GUARD::QAR1(G)
      • Q(f);N_GUARD,P_PINQ(G)::QAB1(G),XQ(f)
      • R(k);::S(H),XP(j)
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