MESON Chess Problem Database

Problem Display
PID: 138920 (1bnrrB2/pPqR4/3N2R1/1bk2N2/1p2Bp2/nP2pP2/1P6/2K3Q1 w - - 0 1)

Marysko, Milos

Probleemblad, 1974

1bnrrB2/pPqR4/3N2R1/1bk2N2/1p2Bp2/nP2pP2/1P6/2K3Q1

#2

12 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Kb6+
      • 2.Sc4#
    • 1...Qxb7
      • 2.Sxb7#
    • 1...Rxe4
      • 2.Sxe4#
  • Keys
    • 1.Sxe3!
      • threat
        • 2.Sd1#
        • 2.Sf1#
        • 2.Sc2#
        • 2.Sg2#
        • 2.Sec4#
        • 2.Sg4#
        • 2.Sef5#
      • 1...Kd4+
        • 2.Sec4#
      • 1...Kb6+
        • 2.Sdc4#
      • 1...Rxe4
        • 2.Sxe4#
      • 1...fxe3
        • 2.Qxe3#
      • 1...Bf1
        • 2.Sd1#
        • 2.Sxf1#
        • 2.Sc2#
        • 2.Sg2#
        • 2.Sec4#
        • 2.Sg4#
        • 2.Sef5#
      • 1...Bc4
        • 2.Sd1#
        • 2.Sf1#
        • 2.Sc2#
        • 2.Sg2#
        • 2.Sexc4#
        • 2.Sg4#
        • 2.Sef5#
      • 1...Sc2
        • 2.Sxc2#
      • 1...Sc4
        • 2.Sexc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(f);CHECK,S_FLIGHT::R(I)+S(H),DCHECK
    • Q(h);XP(J)::B(L)+S(H),DCHECK,XQ(h)
    • R(l);XB(F)::B(L)+S(H),DCHECK,XR(l)
  • Actual
    • S(G);XP(b)
    • Threat
      • DUALS(7)
    • Vars
      • K(f);CHECK,S_FLIGHT::QAB(B)+S(G)
      • K(f);CHECK,S_FLIGHT::R(I)+S(H),DCHECK
      • R(l);XB(F)::B(L)+S(H),DCHECK,XR(l)
      • P(d);OGATE,P_SPINP(d),XS(G)::QAB(B),XP(d)
      • S(a);::QAB(B)+S(G),XS(a)
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