MESON Chess Problem Database

Problem Display
PID: 146455 (3K4/2nPQ3/4PR2/2N1k1p1/2P5/1N1pn3/6rp/2B1RbbB w - - 0 1)

Szoghy, Jozsef

Magyar Sakkvilag, 1932

3K4/2nPQ3/4PR2/2N1k1p1/2P5/1N1pn3/6rp/2B1RbbB

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Bxb2#
    • 1...Re2
      • 2.Sxd3#
    • 1...Rf2
      • 2.Rxe3#
    • 1...Rg3
      • 2.Bb2#
    • 1...Be2
      • 2.Bb2#
    • 1...Bf2
      • 2.Bb2#
    • 1...Sxe6+
      • 2.Qxe6#
    • 1...d2
      • 2.Bb2#
  • Tries
    • 1.Sxd3+?
      • 1...Ke4
        • 2.Qh7#
      • 1...Bxd3!
    • 1.Bxe3?
      • threat
        • 2.Bd4#
        • 2.Bf4#
      • 1...Sxe6+
        • 2.Qxe6#
      • 1...Bxe3
        • 2.Rxe3#
      • 1...Re2
        • 2.Sxd3#
      • 1...Be2!
  • Keys
    • 1.Qf8!
      • threat
        • 2.Rf5#
      • 1...Sxe6+
        • 2.Rxe6#
      • 1...Re2
        • 2.Sxd3#
      • 1...Rf2
        • 2.Rxe3#
      • 1...Be2
        • 2.Bb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • R(c);N_GUARD::B(A),XR(c)
    • R(c);N_SPINS(f),S_CUTB(a)::S(F),XP(e)
    • R(c);S_CUTB(b)::R(B),XS(f)
    • R(c);N_GUARD::B(A)
    • B(a);N_SPINS(f),S_CUTR(c)::B(A)
    • B(b);S_CUTR(c)::B(A)
    • S(i);CHECK,OGATE,XP(G)::QAR1(J),XS(i)
    • P(e);S_CUTR(c)::B(A)
  • Tries
    • Try
      • S(F);CHECK,XP(e)
      • Vars
        • K(g);P-FLIGHT,P_SPINR(c)::QAB(J)
      • Refutation
        • B(a);XS(F)
    • Try
      • B(A);XS(f)
      • Threat
        • DUALS(2)
      • Vars
        • S(i);CHECK,OGATE,P_SPINS(i),XP(G)::QAR1(J),XS(i)
        • B(b);OGATE,P_SPINB(b),XB(A)::R(B),XB(b)
        • R(c);S_CUTB(a)::S(F),XP(e)
      • Refutation
        • B(a);
  • Actual
    • Q(J);
    • Threat
      • R1(H)
    • Vars
      • S(i);CHECK,OGATE,XP(G)::R1(H),XS(i)
      • R(c);N_SPINS(f),S_CUTB(a)::S(F),XP(e)
      • R(c);S_CUTB(b)::R(B),XS(f)
      • B(a);N_SPINS(f),S_CUTR(c)::B(A)
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