MESON Chess Problem Database

Problem Display
PID: 273445 (8/1Bpp2Q1/2pr1pK1/8/3kNRN1/BP1b4/1P6/3R4 w - - 0 1)

Szoghy, Jozsef

British Chess Magazine, 1934

8/1Bpp2Q1/2pr1pK1/8/3kNRN1/BP1b4/1P6/3R4

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Bxc5#
  • Tries
    • 1.Kf7?
      • threat
        • 2.Sc3#
        • 2.Sexf6#
      • 1...Kd5
        • 2.Sc3#
        • 2.Rxd3#
      • 1...Re6!
    • 1.Qxf6+?
      • 1...Kd5
        • 2.Se3#
        • 2.Rxd3#
      • 1...Rxf6+!
    • 1.Qf8?
      • 1...f5+
        • 2.Sef6#
      • 1...Re6
        • 2.Qc5#
      • 1...Rd5
        • 2.Qb4#
      • 1...c5
        • 2.Bxc5#
      • 1...Kd5!
    • 1.Qxd7?
      • 1...f5+
        • 2.Sef6#
      • 1...Kd5
        • 2.Rxd3#
      • 1...Rd5
        • 2.Bc5#
      • 1...c5
        • 2.Bxc5#
      • 1...Rxd7!
  • Keys
    • 1.Qe7!
      • 1...f5+
        • 2.Sef6#
      • 1...Kd5
        • 2.Rxd3#
      • 1...Re6
        • 2.Qc5#
      • 1...Rd5
        • 2.Qb4#
      • 1...c5
        • 2.Bxc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(c);::B(C),XP(c)
  • Tries
    • Try
      • K(H);N_SPINS(E),S_FLIGHT
      • Threat
        • DUALS(2)
      • Refutation
        • R(d);
    • Try
      • Q(J);CHECK,P_SPINQ(J),XP(e)
      • Refutation
        • R(d);CHECK,XQ(J)
    • Try
      • Q(J);N_PINP(e)
      • Vars
        • P(e);CHECK,N_PINS(E)::R(F)+S(E)
        • R(d);OGATE::QAB1(J)
        • R(d);OGATE,SBLOCK::QAR2(J)
        • P(c);::B(C),XP(c)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(c)
    • Try
      • Q(J);N_PINP(e),P_PINR(d),XP(g)
      • Vars
        • P(e);CHECK,N_PINS(E)::R(F)+S(E)
        • K(b);N_GUARD,P-FLIGHT,P_SPINP(c)::R(A),XB(a)
        • R(d);::B(C)
        • P(c);::B(C),XP(c)
      • Refutation
        • R(d);N_SPINR(d),XQ(J)
  • Actual
    • Q(J);N_PINP(e)
    • Vars
      • P(e);CHECK,N_PINS(E)::R(F)+S(E)
      • K(b);N_GUARD,P-FLIGHT,P_SPINP(c)::R(A),XB(a)
      • R(d);OGATE::QAB1(J)
      • R(d);OGATE,SBLOCK::QAR2(J)
      • P(c);::B(C),XP(c)
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