MESON Chess Problem Database

Problem Display
PID: 45223 (B1R5/B2p4/PK4p1/PpnP3p/b2kP3/2pP2Q1/2PR1P2/3rr1Nq w - - 0 1)

Buchwald, Julius

Recomm., BCF 045. Ty., 1943-1944

B1R5/B2p4/PK4p1/PpnP3p/b2kP3/2pP2Q1/2PR1P2/3rr1Nq

#2

14 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Qf3
      • 2.Sxf3#
    • 1...Qh2
      • 2.Sf3#
    • 1...Qh3
      • 2.Sf3#
    • 1...Qh4
      • 2.Sf3#
    • 1...Rf1
      • 2.Se2#
    • 1...Re2
      • 2.Sxe2#
    • 1...Re3
      • 2.fxe3#
    • 1...Sxa6
      • 2.Kxa6#
    • 1...Sb7
      • 2.Kxb7#
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qf6#
      • 1...Qxe4
        • 2.Sf3#
      • 1...Rxe4
        • 2.Se2#
      • 1...Sxd3
        • 2.Kb7#
      • 1...Sxe4
        • 2.Kc7#
      • 1...Qf3
        • 2.Sxf3#
      • 1...Qh2
        • 2.Sf3#
      • 1...Qh4
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • Q(c);N_GUARD::S(A),XQ(c)
    • Q(c);N_GUARD::S(A)
    • R(b);N_GUARD::S(A)
    • R(b);N_GUARD::S(A),XR(b)
    • R(b);OGATE::P(D),XR(b)
    • S(h);XP(J)::B(L)+K(K),XS(h)
    • S(h);::B(L)+K(K),XS(h)
  • Actual
    • Q(F);
    • Threat
      • QAB(F)
    • Vars
      • Q(c);N_GUARD,P_SPINQ(c),XP(G)::S(A)
      • R(b);N_GUARD,P_SPINR(b),XP(G)::S(A)
      • S(h);P_SPINS(h),XP(E)::B(L)+K(K)
      • S(h);P_SPINS(h),XP(G)::B(L)+K(K)
      • Q(c);N_GUARD::S(A),XQ(c)
      • Q(c);N_GUARD::S(A)
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Developed and maintained by Brian Stephenson.
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